| /******************************************************************************* |
| * Copyright (C) 2012 Google Inc. |
| * Licensed to The Android Open Source Project. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| *******************************************************************************/ |
| |
| package com.android.mail.ui; |
| |
| import android.app.ActionBar; |
| import android.app.ActionBar.LayoutParams; |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.app.DialogFragment; |
| import android.app.Fragment; |
| import android.app.FragmentManager; |
| import android.app.LoaderManager; |
| import android.app.SearchManager; |
| import android.content.ContentProviderOperation; |
| import android.content.ContentResolver; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.CursorLoader; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.Loader; |
| import android.database.Cursor; |
| import android.database.DataSetObservable; |
| import android.database.DataSetObserver; |
| import android.net.Uri; |
| import android.os.AsyncTask; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.provider.SearchRecentSuggestions; |
| import android.text.TextUtils; |
| import android.view.DragEvent; |
| import android.view.KeyEvent; |
| import android.view.LayoutInflater; |
| import android.view.Menu; |
| import android.view.MenuInflater; |
| import android.view.MenuItem; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.widget.Toast; |
| |
| import com.android.mail.ConversationListContext; |
| import com.android.mail.R; |
| import com.android.mail.browse.ConversationCursor; |
| import com.android.mail.browse.ConversationItemView; |
| import com.android.mail.browse.ConversationItemViewModel; |
| import com.android.mail.browse.ConversationPagerController; |
| import com.android.mail.browse.ConversationCursor.ConversationOperation; |
| import com.android.mail.browse.MessageCursor.ConversationMessage; |
| import com.android.mail.browse.SelectedConversationsActionMenu; |
| import com.android.mail.browse.SyncErrorDialogFragment; |
| import com.android.mail.compose.ComposeActivity; |
| import com.android.mail.providers.Account; |
| import com.android.mail.providers.Conversation; |
| import com.android.mail.providers.ConversationInfo; |
| import com.android.mail.providers.Folder; |
| import com.android.mail.providers.FolderWatcher; |
| import com.android.mail.providers.MailAppProvider; |
| import com.android.mail.providers.Settings; |
| import com.android.mail.providers.SuggestionsProvider; |
| import com.android.mail.providers.UIProvider; |
| import com.android.mail.providers.UIProvider.AccountCapabilities; |
| import com.android.mail.providers.UIProvider.AccountColumns; |
| import com.android.mail.providers.UIProvider.AccountCursorExtraKeys; |
| import com.android.mail.providers.UIProvider.AutoAdvance; |
| import com.android.mail.providers.UIProvider.ConversationColumns; |
| import com.android.mail.providers.UIProvider.FolderCapabilities; |
| import com.android.mail.ui.ActionableToastBar.ActionClickedListener; |
| import com.android.mail.utils.ContentProviderTask; |
| import com.android.mail.utils.LogTag; |
| import com.android.mail.utils.LogUtils; |
| import com.android.mail.utils.Utils; |
| |
| import com.google.common.base.Objects; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Sets; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.TimerTask; |
| |
| |
| /** |
| * This is an abstract implementation of the Activity Controller. This class |
| * knows how to respond to menu items, state changes, layout changes, etc. It |
| * weaves together the views and listeners, dispatching actions to the |
| * respective underlying classes. |
| * <p> |
| * Even though this class is abstract, it should provide default implementations |
| * for most, if not all the methods in the ActivityController interface. This |
| * makes the task of the subclasses easier: OnePaneActivityController and |
| * TwoPaneActivityController can be concise when the common functionality is in |
| * AbstractActivityController. |
| * </p> |
| * <p> |
| * In the Gmail codebase, this was called BaseActivityController |
| * </p> |
| */ |
| public abstract class AbstractActivityController implements ActivityController { |
| // Keys for serialization of various information in Bundles. |
| /** Tag for {@link #mAccount} */ |
| private static final String SAVED_ACCOUNT = "saved-account"; |
| /** Tag for {@link #mFolder} */ |
| private static final String SAVED_FOLDER = "saved-folder"; |
| /** Tag for {@link #mCurrentConversation} */ |
| private static final String SAVED_CONVERSATION = "saved-conversation"; |
| /** Tag for {@link #mSelectedSet} */ |
| private static final String SAVED_SELECTED_SET = "saved-selected-set"; |
| /** Tag for {@link ActionableToastBar#getOperation()} */ |
| private static final String SAVED_TOAST_BAR_OP = "saved-toast-bar-op"; |
| /** Tag for {@link #mFolderListFolder} */ |
| private static final String SAVED_HIERARCHICAL_FOLDER = "saved-hierarchical-folder"; |
| /** Tag for {@link ConversationListContext#searchQuery} */ |
| private static final String SAVED_QUERY = "saved-query"; |
| |
| /** Tag used when loading a wait fragment */ |
| protected static final String TAG_WAIT = "wait-fragment"; |
| /** Tag used when loading a conversation list fragment. */ |
| public static final String TAG_CONVERSATION_LIST = "tag-conversation-list"; |
| /** Tag used when loading a folder list fragment. */ |
| protected static final String TAG_FOLDER_LIST = "tag-folder-list"; |
| |
| protected Account mAccount; |
| protected Folder mFolder; |
| /** True when {@link #mFolder} is first shown to the user. */ |
| private boolean mFolderChanged = false; |
| protected MailActionBarView mActionBarView; |
| protected final ControllableActivity mActivity; |
| protected final Context mContext; |
| private final FragmentManager mFragmentManager; |
| protected final RecentFolderList mRecentFolderList; |
| protected ConversationListContext mConvListContext; |
| protected Conversation mCurrentConversation; |
| |
| /** A {@link android.content.BroadcastReceiver} that suppresses new e-mail notifications. */ |
| private SuppressNotificationReceiver mNewEmailReceiver = null; |
| |
| protected Handler mHandler = new Handler(); |
| |
| /** |
| * The current mode of the application. All changes in mode are initiated by |
| * the activity controller. View mode changes are propagated to classes that |
| * attach themselves as listeners of view mode changes. |
| */ |
| protected final ViewMode mViewMode; |
| protected ContentResolver mResolver; |
| protected boolean isLoaderInitialized = false; |
| private AsyncRefreshTask mAsyncRefreshTask; |
| |
| private boolean mDestroyed; |
| |
| /** |
| * Are we in a point in the Activity/Fragment lifecycle where it's safe to execute fragment |
| * transactions? (including back stack manipulation) |
| * <p> |
| * Per docs in {@link FragmentManager#beginTransaction()}, this flag starts out true, switches |
| * to false after {@link Activity#onSaveInstanceState}, and becomes true again in both onStart |
| * and onResume. |
| */ |
| private boolean mSafeToModifyFragments = true; |
| |
| private final Set<Uri> mCurrentAccountUris = Sets.newHashSet(); |
| protected ConversationCursor mConversationListCursor; |
| private final DataSetObservable mConversationListObservable = new DataSetObservable() { |
| @Override |
| public void registerObserver(DataSetObserver observer) { |
| final int count = mObservers.size(); |
| super.registerObserver(observer); |
| LogUtils.d(LOG_TAG, "IN AAC.register(List)Observer: %s before=%d after=%d", observer, |
| count, mObservers.size()); |
| } |
| @Override |
| public void unregisterObserver(DataSetObserver observer) { |
| final int count = mObservers.size(); |
| super.unregisterObserver(observer); |
| LogUtils.d(LOG_TAG, "IN AAC.unregister(List)Observer: %s before=%d after=%d", observer, |
| count, mObservers.size()); |
| } |
| }; |
| |
| private RefreshTimerTask mConversationListRefreshTask; |
| |
| /** Listeners that are interested in changes to the current account. */ |
| private final DataSetObservable mAccountObservers = new DataSetObservable() { |
| @Override |
| public void registerObserver(DataSetObserver observer) { |
| final int count = mObservers.size(); |
| super.registerObserver(observer); |
| LogUtils.d(LOG_TAG, "IN AAC.register(Account)Observer: %s before=%d after=%d", |
| observer, count, mObservers.size()); |
| } |
| @Override |
| public void unregisterObserver(DataSetObserver observer) { |
| final int count = mObservers.size(); |
| super.unregisterObserver(observer); |
| LogUtils.d(LOG_TAG, "IN AAC.unregister(Account)Observer: %s before=%d after=%d", |
| observer, count, mObservers.size()); |
| } |
| }; |
| |
| /** Listeners that are interested in changes to the recent folders. */ |
| private final DataSetObservable mRecentFolderObservers = new DataSetObservable() { |
| @Override |
| public void registerObserver(DataSetObserver observer) { |
| final int count = mObservers.size(); |
| super.registerObserver(observer); |
| LogUtils.d(LOG_TAG, "IN AAC.register(RecentFolder)Observer: %s before=%d after=%d", |
| observer, count, mObservers.size()); |
| } |
| @Override |
| public void unregisterObserver(DataSetObserver observer) { |
| final int count = mObservers.size(); |
| super.unregisterObserver(observer); |
| LogUtils.d(LOG_TAG, "IN AAC.unregister(RecentFolder)Observer: %s before=%d after=%d", |
| observer, count, mObservers.size()); |
| } |
| }; |
| |
| /** |
| * Selected conversations, if any. |
| */ |
| private final ConversationSelectionSet mSelectedSet = new ConversationSelectionSet(); |
| |
| private final int mFolderItemUpdateDelayMs; |
| |
| /** Keeps track of selected and unselected conversations */ |
| final protected ConversationPositionTracker mTracker; |
| |
| /** |
| * Action menu associated with the selected set. |
| */ |
| SelectedConversationsActionMenu mCabActionMenu; |
| protected ActionableToastBar mToastBar; |
| protected ConversationPagerController mPagerController; |
| |
| // this is split out from the general loader dispatcher because its loader doesn't return a |
| // basic Cursor |
| private final ConversationListLoaderCallbacks mListCursorCallbacks = |
| new ConversationListLoaderCallbacks(); |
| |
| private final DataSetObservable mFolderObservable = new DataSetObservable(); |
| |
| protected static final String LOG_TAG = LogTag.getLogTag(); |
| /** Constants used to differentiate between the types of loaders. */ |
| private static final int LOADER_ACCOUNT_CURSOR = 0; |
| private static final int LOADER_FOLDER_CURSOR = 2; |
| private static final int LOADER_RECENT_FOLDERS = 3; |
| private static final int LOADER_CONVERSATION_LIST = 4; |
| private static final int LOADER_ACCOUNT_INBOX = 5; |
| private static final int LOADER_SEARCH = 6; |
| private static final int LOADER_ACCOUNT_UPDATE_CURSOR = 7; |
| /** |
| * Guaranteed to be the last loader ID used by the activity. Loaders are owned by Activity or |
| * fragments, and within an activity, loader IDs need to be unique. A hack to ensure that the |
| * {@link FolderWatcher} can create its folder loaders without clashing with the IDs of those |
| * of the {@link AbstractActivityController}. Currently, the {@link FolderWatcher} is the only |
| * other class that uses this activity's LoaderManager. If another class needs activity-level |
| * loaders, consider consolidating the loaders in a central location: a UI-less fragment |
| * perhaps. |
| */ |
| public static final int LAST_LOADER_ID = 100; |
| |
| private static final int ADD_ACCOUNT_REQUEST_CODE = 1; |
| private static final int REAUTHENTICATE_REQUEST_CODE = 2; |
| |
| /** The pending destructive action to be carried out before swapping the conversation cursor.*/ |
| private DestructiveAction mPendingDestruction; |
| protected AsyncRefreshTask mFolderSyncTask; |
| // Task for setting any share intents for the account to enabled. |
| // This gets cancelled if the user kills the app before it finishes, and |
| // will just run the next time the user opens the app. |
| private AsyncTask<String, Void, Void> mEnableShareIntents; |
| private Folder mFolderListFolder; |
| private boolean mIsDragHappening; |
| private int mShowUndoBarDelay; |
| private boolean mRecentsDataUpdated; |
| /** A wait fragment we added, if any. */ |
| private WaitFragment mWaitFragment; |
| public static final String SYNC_ERROR_DIALOG_FRAGMENT_TAG = "SyncErrorDialogFragment"; |
| |
| public AbstractActivityController(MailActivity activity, ViewMode viewMode) { |
| mActivity = activity; |
| mFragmentManager = mActivity.getFragmentManager(); |
| mViewMode = viewMode; |
| mContext = activity.getApplicationContext(); |
| mRecentFolderList = new RecentFolderList(mContext); |
| mTracker = new ConversationPositionTracker(this); |
| // Allow the fragment to observe changes to its own selection set. No other object is |
| // aware of the selected set. |
| mSelectedSet.addObserver(this); |
| |
| mFolderItemUpdateDelayMs = |
| mContext.getResources().getInteger(R.integer.folder_item_refresh_delay_ms); |
| mShowUndoBarDelay = |
| mContext.getResources().getInteger(R.integer.show_undo_bar_delay_ms); |
| } |
| |
| @Override |
| public Account getCurrentAccount() { |
| return mAccount; |
| } |
| |
| @Override |
| public ConversationListContext getCurrentListContext() { |
| return mConvListContext; |
| } |
| |
| @Override |
| public String getHelpContext() { |
| final int mode = mViewMode.getMode(); |
| final int helpContextResId; |
| switch (mode) { |
| case ViewMode.WAITING_FOR_ACCOUNT_INITIALIZATION: |
| helpContextResId = R.string.wait_help_context; |
| break; |
| default: |
| helpContextResId = R.string.main_help_context; |
| } |
| return mContext.getString(helpContextResId); |
| } |
| |
| @Override |
| public final ConversationCursor getConversationListCursor() { |
| return mConversationListCursor; |
| } |
| |
| /** |
| * Check if the fragment is attached to an activity and has a root view. |
| * @param in |
| * @return true if the fragment is valid, false otherwise |
| */ |
| private static final boolean isValidFragment(Fragment in) { |
| if (in == null || in.getActivity() == null || in.getView() == null) { |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * Get the conversation list fragment for this activity. If the conversation list fragment is |
| * not attached, this method returns null. |
| * |
| * Caution! This method returns the {@link ConversationListFragment} after the fragment has been |
| * added, <b>and</b> after the {@link FragmentManager} has run through its queue to add the |
| * fragment. There is a non-trivial amount of time after the fragment is instantiated and before |
| * this call returns a non-null value, depending on the {@link FragmentManager}. If you |
| * need the fragment immediately after adding it, consider making the fragment an observer of |
| * the controller and perform the task immediately on {@link Fragment#onActivityCreated(Bundle)} |
| */ |
| protected ConversationListFragment getConversationListFragment() { |
| final Fragment fragment = mFragmentManager.findFragmentByTag(TAG_CONVERSATION_LIST); |
| if (isValidFragment(fragment)) { |
| return (ConversationListFragment) fragment; |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the folder list fragment attached with this activity. If no such fragment is attached |
| * this method returns null. |
| * |
| * Caution! This method returns the {@link FolderListFragment} after the fragment has been |
| * added, <b>and</b> after the {@link FragmentManager} has run through its queue to add the |
| * fragment. There is a non-trivial amount of time after the fragment is instantiated and before |
| * this call returns a non-null value, depending on the {@link FragmentManager}. If you |
| * need the fragment immediately after adding it, consider making the fragment an observer of |
| * the controller and perform the task immediately on {@link Fragment#onActivityCreated(Bundle)} |
| */ |
| protected FolderListFragment getFolderListFragment() { |
| final Fragment fragment = mFragmentManager.findFragmentByTag(TAG_FOLDER_LIST); |
| if (isValidFragment(fragment)) { |
| return (FolderListFragment) fragment; |
| } |
| return null; |
| } |
| |
| /** |
| * Initialize the action bar. This is not visible to OnePaneController and |
| * TwoPaneController so they cannot override this behavior. |
| */ |
| private void initializeActionBar() { |
| final ActionBar actionBar = mActivity.getActionBar(); |
| if (actionBar == null) { |
| return; |
| } |
| |
| // be sure to inherit from the ActionBar theme when inflating |
| final LayoutInflater inflater = LayoutInflater.from(actionBar.getThemedContext()); |
| final boolean isSearch = mActivity.getIntent() != null |
| && Intent.ACTION_SEARCH.equals(mActivity.getIntent().getAction()); |
| mActionBarView = (MailActionBarView) inflater.inflate( |
| isSearch ? R.layout.search_actionbar_view : R.layout.actionbar_view, null); |
| mActionBarView.initialize(mActivity, this, mViewMode, actionBar, mRecentFolderList); |
| } |
| |
| /** |
| * Attach the action bar to the activity. |
| */ |
| private void attachActionBar() { |
| final ActionBar actionBar = mActivity.getActionBar(); |
| if (actionBar != null && mActionBarView != null) { |
| actionBar.setCustomView(mActionBarView, new ActionBar.LayoutParams( |
| LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT)); |
| // Show a custom view and home icon, but remove the title |
| final int mask = ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_SHOW_TITLE |
| | ActionBar.DISPLAY_SHOW_HOME; |
| final int enabled = ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_SHOW_HOME; |
| actionBar.setDisplayOptions(enabled, mask); |
| mActionBarView.attach(); |
| } |
| mViewMode.addListener(mActionBarView); |
| } |
| |
| /** |
| * Returns whether the conversation list fragment is visible or not. |
| * Different layouts will have their own notion on the visibility of |
| * fragments, so this method needs to be overriden. |
| * |
| */ |
| protected abstract boolean isConversationListVisible(); |
| |
| /** |
| * Switch the current account to the one provided as an argument to the method. |
| * @param account new account |
| * @param shouldReloadInbox whether the default inbox should be reloaded. |
| */ |
| private void switchAccount(Account account, boolean shouldReloadInbox){ |
| // Current account is different from the new account, restart loaders and show |
| // the account Inbox. |
| mAccount = account; |
| LogUtils.d(LOG_TAG, "AbstractActivityController.switchAccount(): mAccount = %s", |
| mAccount.uri); |
| cancelRefreshTask(); |
| mAccountObservers.notifyChanged(); |
| if (shouldReloadInbox) { |
| loadAccountInbox(); |
| } |
| perhapsEnterWaitMode(); |
| restartOptionalLoader(LOADER_RECENT_FOLDERS); |
| mActivity.invalidateOptionsMenu(); |
| disableNotificationsOnAccountChange(mAccount); |
| restartOptionalLoader(LOADER_ACCOUNT_UPDATE_CURSOR); |
| MailAppProvider.getInstance().setLastViewedAccount(mAccount.uri.toString()); |
| if (mAccount != null && !Uri.EMPTY.equals(mAccount.settings.setupIntentUri)) { |
| // Launch the intent! |
| Intent intent = new Intent(Intent.ACTION_EDIT); |
| intent.setData(mAccount.settings.setupIntentUri); |
| mActivity.startActivity(intent); |
| } |
| } |
| |
| /** |
| * If required, starts wait mode for the current account. |
| */ |
| final void perhapsEnterWaitMode() { |
| // If the account is not initialized, then show the wait fragment, since nothing can be |
| // shown. |
| if (mAccount.isAccountInitializationRequired()) { |
| showWaitForInitialization(); |
| return; |
| } |
| |
| final boolean inWaitingMode = inWaitMode(); |
| final boolean isSyncRequired = mAccount.isAccountSyncRequired(); |
| if (isSyncRequired) { |
| if (inWaitingMode) { |
| // Update the WaitFragment's account object |
| updateWaitMode(); |
| } else { |
| // Transition to waiting mode |
| showWaitForInitialization(); |
| } |
| } else if (inWaitingMode) { |
| // Dismiss waiting mode |
| hideWaitForInitialization(); |
| } |
| } |
| |
| @Override |
| public void onAccountChanged(Account account) { |
| // Is the account or account settings different from the existing account? |
| final boolean firstLoad = mAccount == null; |
| LogUtils.d(LOG_TAG, "onAccountChanged (%s) called. firstLoad=%s", account, firstLoad); |
| final boolean accountChanged = firstLoad || !account.uri.equals(mAccount.uri); |
| final boolean settingsChanged = firstLoad || account.settingsDiffer(mAccount); |
| if (accountChanged || settingsChanged) { |
| if (account != null) { |
| final String accountName = account.name; |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| MailActivity.setForegroundNdef(MailActivity.getMailtoNdef(accountName)); |
| } |
| }); |
| } |
| if (accountChanged) { |
| commitDestructiveActions(false); |
| } |
| switchAccount(account, accountChanged); |
| } |
| } |
| |
| /** |
| * Adds a listener interested in change in the current account. If a class is storing a |
| * reference to the current account, it should listen on changes, so it can receive updates to |
| * settings. Must happen in the UI thread. |
| */ |
| @Override |
| public void registerAccountObserver(DataSetObserver obs) { |
| mAccountObservers.registerObserver(obs); |
| } |
| |
| /** |
| * Removes a listener from receiving current account changes. |
| * Must happen in the UI thread. |
| */ |
| @Override |
| public void unregisterAccountObserver(DataSetObserver obs) { |
| mAccountObservers.unregisterObserver(obs); |
| } |
| |
| @Override |
| public Account getAccount() { |
| return mAccount; |
| } |
| |
| private void fetchSearchFolder(Intent intent) { |
| final Bundle args = new Bundle(); |
| args.putString(ConversationListContext.EXTRA_SEARCH_QUERY, intent |
| .getStringExtra(ConversationListContext.EXTRA_SEARCH_QUERY)); |
| mActivity.getLoaderManager().restartLoader(LOADER_SEARCH, args, this); |
| } |
| |
| @Override |
| public void onFolderChanged(Folder folder) { |
| changeFolder(folder, null); |
| } |
| |
| /** |
| * Sets the folder state without changing view mode and without creating a list fragment, if |
| * possible. |
| * @param folder |
| */ |
| private void setListContext(Folder folder, String query) { |
| updateFolder(folder); |
| if (query != null) { |
| mConvListContext = ConversationListContext.forSearchQuery(mAccount, mFolder, query); |
| } else { |
| mConvListContext = ConversationListContext.forFolder(mAccount, mFolder); |
| } |
| cancelRefreshTask(); |
| } |
| |
| /** |
| * Changes the folder to the value provided here. This causes the view mode to change. |
| * @param folder the folder to change to |
| * @param query if non-null, this represents the search string that the folder represents. |
| */ |
| private void changeFolder(Folder folder, String query) { |
| if (!Objects.equal(mFolder, folder)) { |
| commitDestructiveActions(false); |
| } |
| if (folder != null && !folder.equals(mFolder) |
| || (mViewMode.getMode() != ViewMode.CONVERSATION_LIST)) { |
| setListContext(folder, query); |
| showConversationList(mConvListContext); |
| } |
| } |
| |
| @Override |
| public void onFolderSelected(Folder folder) { |
| onFolderChanged(folder); |
| } |
| |
| /** |
| * Update the recent folders. This only needs to be done once when accessing a new folder. |
| */ |
| private void updateRecentFolderList() { |
| if (mFolder != null) { |
| mRecentFolderList.touchFolder(mFolder, mAccount); |
| } |
| } |
| |
| /** |
| * Adds a listener interested in change in the recent folders. If a class is storing a |
| * reference to the recent folders, it should listen on changes, so it can receive updates. |
| * Must happen in the UI thread. |
| */ |
| @Override |
| public void registerRecentFolderObserver(DataSetObserver obs) { |
| mRecentFolderObservers.registerObserver(obs); |
| } |
| |
| /** |
| * Removes a listener from receiving recent folder changes. |
| * Must happen in the UI thread. |
| */ |
| @Override |
| public void unregisterRecentFolderObserver(DataSetObserver obs) { |
| mRecentFolderObservers.unregisterObserver(obs); |
| } |
| |
| @Override |
| public RecentFolderList getRecentFolders() { |
| return mRecentFolderList; |
| } |
| |
| // TODO(mindyp): set this up to store a copy of the folder as a transient |
| // field in the account. |
| @Override |
| public void loadAccountInbox() { |
| restartOptionalLoader(LOADER_ACCOUNT_INBOX); |
| } |
| |
| /** |
| * Marks the {@link #mFolderChanged} value if the newFolder is different from the existing |
| * {@link #mFolder}. This should be called immediately <b>before</b> assigning newFolder to |
| * mFolder. |
| * @param newFolder |
| */ |
| private final void setHasFolderChanged(final Folder newFolder) { |
| // We should never try to assign a null folder. But in the rare event that we do, we should |
| // only set the bit when we have a valid folder, and null is not valid. |
| if (newFolder == null) { |
| return; |
| } |
| // If the previous folder was null, or if the two folders represent different data, then we |
| // consider that the folder has changed. |
| if (mFolder == null || !newFolder.uri.equals(mFolder.uri)) { |
| mFolderChanged = true; |
| } |
| } |
| |
| /** |
| * Sets the current folder if it is different from the object provided here. This method does |
| * NOT notify the folder observers that a change has happened. Observers are notified when we |
| * get an updated folder from the loaders, which will happen as a consequence of this method |
| * (since this method starts/restarts the loaders). |
| * @param folder The folder to assign |
| */ |
| private void updateFolder(Folder folder) { |
| if (folder == null || !folder.isInitialized()) { |
| LogUtils.e(LOG_TAG, new Error(), "AAC.setFolder(%s): Bad input", folder); |
| return; |
| } |
| if (folder.equals(mFolder)) { |
| LogUtils.d(LOG_TAG, "AAC.setFolder(%s): Input matches mFolder", folder); |
| return; |
| } |
| final boolean wasNull = mFolder == null; |
| LogUtils.d(LOG_TAG, "AbstractActivityController.setFolder(%s)", folder.name); |
| final LoaderManager lm = mActivity.getLoaderManager(); |
| // updateFolder is called from AAC.onLoadFinished() on folder changes. We need to |
| // ensure that the folder is different from the previous folder before marking the |
| // folder changed. |
| setHasFolderChanged(folder); |
| mFolder = folder; |
| |
| // We do not need to notify folder observers yet. Instead we start the loaders and |
| // when the load finishes, we will get an updated folder. Then, we notify the |
| // folderObservers in onLoadFinished. |
| mActionBarView.setFolder(mFolder); |
| |
| // Only when we switch from one folder to another do we want to restart the |
| // folder and conversation list loaders (to trigger onCreateLoader). |
| // The first time this runs when the activity is [re-]initialized, we want to re-use the |
| // previous loader's instance and data upon configuration change (e.g. rotation). |
| // If there was not already an instance of the loader, init it. |
| if (lm.getLoader(LOADER_FOLDER_CURSOR) == null) { |
| lm.initLoader(LOADER_FOLDER_CURSOR, null, this); |
| } else { |
| lm.restartLoader(LOADER_FOLDER_CURSOR, null, this); |
| } |
| // In this case, we are starting from no folder, which would occur |
| // the first time the app was launched or on orientation changes. |
| // We want to attach to an existing loader, if available. |
| if (wasNull || lm.getLoader(LOADER_CONVERSATION_LIST) == null) { |
| lm.initLoader(LOADER_CONVERSATION_LIST, null, mListCursorCallbacks); |
| } else { |
| // However, if there was an existing folder AND we have changed |
| // folders, we want to restart the loader to get the information |
| // for the newly selected folder |
| lm.destroyLoader(LOADER_CONVERSATION_LIST); |
| lm.initLoader(LOADER_CONVERSATION_LIST, null, mListCursorCallbacks); |
| } |
| } |
| |
| @Override |
| public Folder getFolder() { |
| return mFolder; |
| } |
| |
| @Override |
| public Folder getHierarchyFolder() { |
| return mFolderListFolder; |
| } |
| |
| @Override |
| public void setHierarchyFolder(Folder folder) { |
| mFolderListFolder = folder; |
| } |
| |
| @Override |
| public void onActivityResult(int requestCode, int resultCode, Intent data) { |
| switch (requestCode) { |
| case ADD_ACCOUNT_REQUEST_CODE: |
| // We were waiting for the user to create an account |
| if (resultCode == Activity.RESULT_OK) { |
| // restart the loader to get the updated list of accounts |
| mActivity.getLoaderManager().initLoader( |
| LOADER_ACCOUNT_CURSOR, null, this); |
| } else { |
| // The user failed to create an account, just exit the app |
| mActivity.finish(); |
| } |
| break; |
| case REAUTHENTICATE_REQUEST_CODE: |
| if (resultCode == Activity.RESULT_OK) { |
| // The user successfully authenticated, attempt to refresh the list |
| final Uri refreshUri = mFolder != null ? mFolder.refreshUri : null; |
| if (refreshUri != null) { |
| startAsyncRefreshTask(refreshUri); |
| } |
| } |
| break; |
| } |
| } |
| |
| /** |
| * Inform the conversation cursor that there has been a visibility change. |
| * @param visible |
| */ |
| protected synchronized void informCursorVisiblity(boolean visible) { |
| if (mConversationListCursor != null) { |
| Utils.setConversationCursorVisibility(mConversationListCursor, visible, mFolderChanged); |
| // We have informed the cursor. Subsequent visibility changes should not tell it that |
| // the folder has changed. |
| mFolderChanged = false; |
| } |
| } |
| |
| @Override |
| public void onConversationListVisibilityChanged(boolean visible) { |
| informCursorVisiblity(visible); |
| } |
| |
| /** |
| * Called when a conversation is visible. Child classes must call the super class implementation |
| * before performing local computation. |
| */ |
| @Override |
| public void onConversationVisibilityChanged(boolean visible) { |
| } |
| |
| @Override |
| public boolean onCreate(Bundle savedState) { |
| initializeActionBar(); |
| // Allow shortcut keys to function for the ActionBar and menus. |
| mActivity.setDefaultKeyMode(Activity.DEFAULT_KEYS_SHORTCUT); |
| mResolver = mActivity.getContentResolver(); |
| mNewEmailReceiver = new SuppressNotificationReceiver(); |
| mRecentFolderList.initialize(mActivity); |
| |
| // All the individual UI components listen for ViewMode changes. This |
| // simplifies the amount of logic in the AbstractActivityController, but increases the |
| // possibility of timing-related bugs. |
| mViewMode.addListener(this); |
| mPagerController = new ConversationPagerController(mActivity, this); |
| mToastBar = (ActionableToastBar) mActivity.findViewById(R.id.toast_bar); |
| attachActionBar(); |
| FolderSelectionDialog.setDialogDismissed(); |
| |
| final Intent intent = mActivity.getIntent(); |
| // Immediately handle a clean launch with intent, and any state restoration |
| // that does not rely on restored fragments or loader data |
| // any state restoration that relies on those can be done later in |
| // onRestoreInstanceState, once fragments are up and loader data is re-delivered |
| if (savedState != null) { |
| if (savedState.containsKey(SAVED_ACCOUNT)) { |
| setAccount((Account) savedState.getParcelable(SAVED_ACCOUNT)); |
| } |
| if (savedState.containsKey(SAVED_FOLDER)) { |
| final Folder folder = (Folder) savedState.getParcelable(SAVED_FOLDER); |
| final String query = savedState.getString(SAVED_QUERY, null); |
| setListContext(folder, query); |
| } |
| mViewMode.handleRestore(savedState); |
| } else if (intent != null) { |
| handleIntent(intent); |
| } |
| // Create the accounts loader; this loads the account switch spinner. |
| mActivity.getLoaderManager().initLoader(LOADER_ACCOUNT_CURSOR, null, this); |
| return true; |
| } |
| |
| @Override |
| public void onStart() { |
| mSafeToModifyFragments = true; |
| } |
| |
| @Override |
| public void onRestart() { |
| DialogFragment fragment = (DialogFragment) |
| mFragmentManager.findFragmentByTag(SYNC_ERROR_DIALOG_FRAGMENT_TAG); |
| if (fragment != null) { |
| fragment.dismiss(); |
| } |
| // When the user places the app in the background by pressing "home", |
| // dismiss the toast bar. However, since there is no way to determine if |
| // home was pressed, just dismiss any existing toast bar when restarting |
| // the app. |
| if (mToastBar != null) { |
| mToastBar.hide(false); |
| } |
| } |
| |
| @Override |
| public Dialog onCreateDialog(int id, Bundle bundle) { |
| return null; |
| } |
| |
| @Override |
| public final boolean onCreateOptionsMenu(Menu menu) { |
| final MenuInflater inflater = mActivity.getMenuInflater(); |
| inflater.inflate(mActionBarView.getOptionsMenuId(), menu); |
| mActionBarView.onCreateOptionsMenu(menu); |
| return true; |
| } |
| |
| @Override |
| public final boolean onKeyDown(int keyCode, KeyEvent event) { |
| // TODO(viki): Auto-generated method stub |
| return false; |
| } |
| |
| @Override |
| public final boolean onOptionsItemSelected(MenuItem item) { |
| final int id = item.getItemId(); |
| LogUtils.d(LOG_TAG, "AbstractController.onOptionsItemSelected(%d) called.", id); |
| boolean handled = true; |
| final Collection<Conversation> target = Conversation.listOf(mCurrentConversation); |
| final Settings settings = (mAccount == null) ? null : mAccount.settings; |
| // The user is choosing a new action; commit whatever they had been |
| // doing before. |
| commitDestructiveActions(true); |
| switch (id) { |
| case R.id.archive: { |
| final boolean showDialog = (settings != null && settings.confirmArchive); |
| confirmAndDelete(target, showDialog, R.plurals.confirm_archive_conversation, |
| getDeferredAction(R.id.archive, target, false)); |
| break; |
| } |
| case R.id.remove_folder: |
| delete(R.id.remove_folder, target, |
| getDeferredRemoveFolder(target, mFolder, true, false, true)); |
| break; |
| case R.id.delete: { |
| final boolean showDialog = (settings != null && settings.confirmDelete); |
| confirmAndDelete(target, showDialog, R.plurals.confirm_delete_conversation, |
| getDeferredAction(R.id.delete, target, false)); |
| break; |
| } |
| case R.id.discard_drafts: { |
| final boolean showDialog = (settings != null && settings.confirmDelete); |
| confirmAndDelete(target, showDialog, R.plurals.confirm_discard_drafts_conversation, |
| getDeferredAction(R.id.discard_drafts, target, false)); |
| break; |
| } |
| case R.id.mark_important: |
| updateConversation(Conversation.listOf(mCurrentConversation), |
| ConversationColumns.PRIORITY, UIProvider.ConversationPriority.HIGH); |
| break; |
| case R.id.mark_not_important: |
| if (mFolder != null && mFolder.isImportantOnly()) { |
| delete(R.id.mark_not_important, target, |
| getDeferredAction(R.id.mark_not_important, target, false)); |
| } else { |
| updateConversation(Conversation.listOf(mCurrentConversation), |
| ConversationColumns.PRIORITY, UIProvider.ConversationPriority.LOW); |
| } |
| break; |
| case R.id.mute: |
| delete(R.id.mute, target, getDeferredAction(R.id.mute, target, false)); |
| break; |
| case R.id.report_spam: |
| delete(R.id.report_spam, target, |
| getDeferredAction(R.id.report_spam, target, false)); |
| break; |
| case R.id.mark_not_spam: |
| // Currently, since spam messages are only shown in list with |
| // other spam messages, |
| // marking a message not as spam is a destructive action |
| delete(R.id.mark_not_spam, target, |
| getDeferredAction(R.id.mark_not_spam, target, false)); |
| break; |
| case R.id.report_phishing: |
| delete(R.id.report_phishing, target, |
| getDeferredAction(R.id.report_phishing, target, false)); |
| break; |
| case android.R.id.home: |
| onUpPressed(); |
| break; |
| case R.id.compose: |
| ComposeActivity.compose(mActivity.getActivityContext(), mAccount); |
| break; |
| case R.id.show_all_folders: |
| showFolderList(); |
| break; |
| case R.id.refresh: |
| requestFolderRefresh(); |
| break; |
| case R.id.settings: |
| Utils.showSettings(mActivity.getActivityContext(), mAccount); |
| break; |
| case R.id.folder_options: |
| Utils.showFolderSettings(mActivity.getActivityContext(), mAccount, mFolder); |
| break; |
| case R.id.help_info_menu_item: |
| Utils.showHelp(mActivity.getActivityContext(), mAccount, getHelpContext()); |
| break; |
| case R.id.feedback_menu_item: |
| Utils.sendFeedback(mActivity.getActivityContext(), mAccount, false); |
| break; |
| case R.id.manage_folders_item: |
| Utils.showManageFolder(mActivity.getActivityContext(), mAccount); |
| break; |
| case R.id.change_folder: |
| final FolderSelectionDialog dialog = FolderSelectionDialog.getInstance( |
| mActivity.getActivityContext(), mAccount, this, |
| Conversation.listOf(mCurrentConversation), false, mFolder); |
| if (dialog != null) { |
| dialog.show(); |
| } |
| break; |
| default: |
| handled = false; |
| break; |
| } |
| return handled; |
| } |
| |
| @Override |
| public void updateConversation(Collection<Conversation> target, ContentValues values) { |
| mConversationListCursor.updateValues(mContext, target, values); |
| refreshConversationList(); |
| } |
| |
| @Override |
| public void updateConversation(Collection <Conversation> target, String columnName, |
| boolean value) { |
| mConversationListCursor.updateBoolean(mContext, target, columnName, value); |
| refreshConversationList(); |
| } |
| |
| @Override |
| public void updateConversation(Collection <Conversation> target, String columnName, |
| int value) { |
| mConversationListCursor.updateInt(mContext, target, columnName, value); |
| refreshConversationList(); |
| } |
| |
| @Override |
| public void updateConversation(Collection <Conversation> target, String columnName, |
| String value) { |
| mConversationListCursor.updateString(mContext, target, columnName, value); |
| refreshConversationList(); |
| } |
| |
| @Override |
| public void markConversationMessagesUnread(Conversation conv, Set<Uri> unreadMessageUris, |
| String originalConversationInfo) { |
| // The only caller of this method is the conversation view, from where marking unread should |
| // *always* take you back to list mode. |
| showConversation(null); |
| |
| // locally mark conversation unread (the provider is supposed to propagate message unread |
| // to conversation unread) |
| conv.read = false; |
| |
| if (mConversationListCursor == null) { |
| LogUtils.e(LOG_TAG, "null ConversationCursor in markConversationMessagesUnread"); |
| return; |
| } |
| |
| // only do a granular 'mark unread' if a subset of messages are unread |
| final int unreadCount = (unreadMessageUris == null) ? 0 : unreadMessageUris.size(); |
| final int numMessages = conv.getNumMessages(); |
| final boolean subsetIsUnread = (numMessages > 1 && unreadCount > 0 |
| && unreadCount < numMessages); |
| |
| if (!subsetIsUnread) { |
| // Conversations are neither marked read, nor viewed, and we don't want to show |
| // the next conversation. |
| markConversationsRead(Collections.singletonList(conv), false, false, false); |
| } else { |
| mConversationListCursor.setConversationColumn(conv.uri, ConversationColumns.READ, 0); |
| |
| // locally update conversation's conversationInfo to revert to original version |
| if (originalConversationInfo != null) { |
| mConversationListCursor.setConversationColumn(conv.uri, |
| ConversationColumns.CONVERSATION_INFO, originalConversationInfo); |
| } |
| |
| // applyBatch with each CPO as an UPDATE op on each affected message uri |
| final ArrayList<ContentProviderOperation> ops = Lists.newArrayList(); |
| String authority = null; |
| for (Uri messageUri : unreadMessageUris) { |
| if (authority == null) { |
| authority = messageUri.getAuthority(); |
| } |
| ops.add(ContentProviderOperation.newUpdate(messageUri) |
| .withValue(UIProvider.MessageColumns.READ, 0) |
| .build()); |
| } |
| |
| new ContentProviderTask() { |
| @Override |
| protected void onPostExecute(Result result) { |
| // TODO: handle errors? |
| } |
| }.run(mResolver, authority, ops); |
| } |
| } |
| |
| @Override |
| public void markConversationsRead(Collection<Conversation> targets, boolean read, |
| boolean viewed) { |
| // We want to show the next conversation if we are marking unread. |
| markConversationsRead(targets, read, viewed, true); |
| } |
| |
| private void markConversationsRead(final Collection<Conversation> targets, final boolean read, |
| final boolean markViewed, final boolean showNext) { |
| // Auto-advance if requested and the current conversation is being marked unread |
| if (showNext && !read) { |
| final Runnable operation = new Runnable() { |
| @Override |
| public void run() { |
| markConversationsRead(targets, read, markViewed, showNext); |
| } |
| }; |
| |
| if (!showNextConversation(targets, operation)) { |
| // This method will be called again if the user selects an autoadvance option |
| return; |
| } |
| } |
| |
| final int size = targets.size(); |
| final List<ConversationOperation> opList = new ArrayList<ConversationOperation>(size); |
| for (final Conversation target : targets) { |
| final ContentValues value = new ContentValues(); |
| value.put(ConversationColumns.READ, read); |
| if (markViewed) { |
| value.put(ConversationColumns.VIEWED, true); |
| } |
| final ConversationInfo info = target.conversationInfo; |
| if (info != null) { |
| boolean changed = info.markRead(read); |
| if (changed) { |
| value.put(ConversationColumns.CONVERSATION_INFO, |
| ConversationInfo.toString(info)); |
| } |
| } |
| opList.add(mConversationListCursor.getOperationForConversation( |
| target, ConversationOperation.UPDATE, value)); |
| // Update the local conversation objects so they immediately change state. |
| target.read = read; |
| if (markViewed) { |
| target.markViewed(); |
| } |
| } |
| mConversationListCursor.updateBulkValues(mContext, opList); |
| } |
| |
| /** |
| * Auto-advance to a different conversation if the currently visible conversation in |
| * conversation mode is affected (deleted, marked unread, etc.). |
| * |
| * <p>Does nothing if outside of conversation mode.</p> |
| * |
| * @param target the set of conversations being deleted/marked unread |
| */ |
| @Override |
| public void showNextConversation(final Collection<Conversation> target) { |
| showNextConversation(target, null); |
| } |
| |
| /** |
| * Auto-advance to a different conversation if the currently visible conversation in |
| * conversation mode is affected (deleted, marked unread, etc.). |
| * |
| * <p>Does nothing if outside of conversation mode.</p> |
| * |
| * @param target the set of conversations being deleted/marked unread |
| * @return <code>false</code> if we aborted because the user has not yet specified a default |
| * action, <code>true</code> otherwise |
| */ |
| private boolean showNextConversation(final Collection<Conversation> target, |
| final Runnable operation) { |
| final boolean currentConversationInView = (mViewMode.getMode() == ViewMode.CONVERSATION) |
| && Conversation.contains(target, mCurrentConversation); |
| |
| if (currentConversationInView) { |
| final int autoAdvanceSetting = mAccount.settings.getAutoAdvanceSetting(); |
| |
| if (autoAdvanceSetting == AutoAdvance.UNSET && Utils.useTabletUI(mContext)) { |
| displayAutoAdvanceDialogAndPerformAction(operation); |
| return false; |
| } else { |
| // If we don't have one set, but we're here, just take the default |
| final int autoAdvance = (autoAdvanceSetting == AutoAdvance.UNSET) ? Settings |
| .getAutoAdvanceSetting(null) |
| : autoAdvanceSetting; |
| |
| final Conversation next = mTracker.getNextConversation(autoAdvance, target); |
| LogUtils.d(LOG_TAG, "showNextConversation: showing %s next.", next); |
| showConversation(next); |
| return true; |
| } |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Displays a the auto-advance dialog, and when the user makes a selection, the preference is |
| * stored, and the specified operation is run. |
| */ |
| private void displayAutoAdvanceDialogAndPerformAction(final Runnable operation) { |
| final String[] autoAdvanceDisplayOptions = |
| mContext.getResources().getStringArray(R.array.prefEntries_autoAdvance); |
| final String[] autoAdvanceOptionValues = |
| mContext.getResources().getStringArray(R.array.prefValues_autoAdvance); |
| |
| final String defaultValue = mContext.getString(R.string.prefDefault_autoAdvance); |
| int initialIndex = 0; |
| for (int i = 0; i < autoAdvanceOptionValues.length; i++) { |
| if (defaultValue.equals(autoAdvanceOptionValues[i])) { |
| initialIndex = i; |
| break; |
| } |
| } |
| |
| final DialogInterface.OnClickListener listClickListener = |
| new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int whichItem) { |
| final String autoAdvanceValue = autoAdvanceOptionValues[whichItem]; |
| final int autoAdvanceValueInt = |
| UIProvider.AutoAdvance.getAutoAdvanceInt(autoAdvanceValue); |
| mAccount.settings.setAutoAdvanceSetting(autoAdvanceValueInt); |
| |
| // Save the user's setting |
| final ContentValues values = new ContentValues(1); |
| values.put(AccountColumns.SettingsColumns.AUTO_ADVANCE, autoAdvanceValue); |
| |
| final ContentResolver resolver = mContext.getContentResolver(); |
| resolver.update(mAccount.updateSettingsUri, values, null, null); |
| |
| // Dismiss the dialog, as clicking the items in the list doesn't close the |
| // dialog. |
| dialog.dismiss(); |
| if (operation != null) { |
| operation.run(); |
| } |
| } |
| }; |
| |
| new AlertDialog.Builder(mActivity.getActivityContext()).setTitle( |
| R.string.auto_advance_help_title) |
| .setSingleChoiceItems(autoAdvanceDisplayOptions, initialIndex, listClickListener) |
| .setPositiveButton(null, null) |
| .create() |
| .show(); |
| } |
| |
| @Override |
| public void starMessage(ConversationMessage msg, boolean starred) { |
| if (msg.starred == starred) { |
| return; |
| } |
| |
| msg.starred = starred; |
| |
| // locally propagate the change to the owning conversation |
| // (figure the provider will properly propagate the change when it commits it) |
| // |
| // when unstarring, only propagate the change if this was the only message starred |
| final boolean conversationStarred = starred || msg.isConversationStarred(); |
| if (conversationStarred != msg.conversation.starred) { |
| msg.conversation.starred = conversationStarred; |
| mConversationListCursor.setConversationColumn(msg.conversation.uri, |
| ConversationColumns.STARRED, conversationStarred); |
| } |
| |
| final ContentValues values = new ContentValues(1); |
| values.put(UIProvider.MessageColumns.STARRED, starred ? 1 : 0); |
| |
| new ContentProviderTask.UpdateTask() { |
| @Override |
| protected void onPostExecute(Result result) { |
| // TODO: handle errors? |
| } |
| }.run(mResolver, msg.uri, values, null /* selection*/, null /* selectionArgs */); |
| } |
| |
| private void requestFolderRefresh() { |
| if (mFolder != null) { |
| if (mAsyncRefreshTask != null) { |
| mAsyncRefreshTask.cancel(true); |
| } |
| mAsyncRefreshTask = new AsyncRefreshTask(mContext, mFolder.refreshUri); |
| mAsyncRefreshTask.execute(); |
| } |
| } |
| |
| /** |
| * Confirm (based on user's settings) and delete a conversation from the conversation list and |
| * from the database. |
| * @param target the conversations to act upon |
| * @param showDialog true if a confirmation dialog is to be shown, false otherwise. |
| * @param confirmResource the resource ID of the string that is shown in the confirmation dialog |
| * @param action the action to perform after animating the deletion of the conversations. |
| */ |
| protected void confirmAndDelete(final Collection<Conversation> target, boolean showDialog, |
| int confirmResource, final DestructiveAction action) { |
| if (showDialog) { |
| final AlertDialog.OnClickListener onClick = new AlertDialog.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| if (which == DialogInterface.BUTTON_POSITIVE) { |
| delete(0, target, action); |
| } |
| } |
| }; |
| final CharSequence message = Utils.formatPlural(mContext, confirmResource, |
| target.size()); |
| new AlertDialog.Builder(mActivity.getActivityContext()).setMessage(message) |
| .setPositiveButton(R.string.ok, onClick) |
| .setNegativeButton(R.string.cancel, null) |
| .create().show(); |
| } else { |
| delete(0, target, action); |
| } |
| } |
| |
| @Override |
| public void delete(final int actionId, final Collection<Conversation> target, |
| final Collection<ConversationItemView> targetViews, final DestructiveAction action) { |
| // Order of events is critical! The Conversation View Fragment must be |
| // notified of the next conversation with showConversation(next) *before* the |
| // conversation list |
| // fragment has a chance to delete the conversation, animating it away. |
| |
| // Update the conversation fragment if the current conversation is |
| // deleted. |
| final Runnable operation = new Runnable() { |
| @Override |
| public void run() { |
| delete(actionId, target, targetViews, action); |
| } |
| }; |
| |
| if (!showNextConversation(target, operation)) { |
| // This method will be called again if the user selects an autoadvance option |
| return; |
| } |
| |
| // The conversation list deletes and performs the action if it exists. |
| final ConversationListFragment convListFragment = getConversationListFragment(); |
| if (convListFragment != null) { |
| LogUtils.d(LOG_TAG, "AAC.requestDelete: ListFragment is handling delete."); |
| convListFragment.requestDelete(actionId, target, targetViews, action); |
| return; |
| } |
| // No visible UI element handled it on our behalf. Perform the action |
| // ourself. |
| action.performAction(); |
| } |
| |
| @Override |
| public void delete(int actionId, final Collection<Conversation> target, |
| final DestructiveAction action) { |
| delete(actionId, target, null, action); |
| } |
| |
| /** |
| * Requests that the action be performed and the UI state is updated to reflect the new change. |
| * @param target |
| * @param action |
| */ |
| private void requestUpdate(final Collection<Conversation> target, |
| final DestructiveAction action) { |
| action.performAction(); |
| refreshConversationList(); |
| } |
| |
| @Override |
| public void onPrepareDialog(int id, Dialog dialog, Bundle bundle) { |
| // TODO(viki): Auto-generated method stub |
| } |
| |
| @Override |
| public boolean onPrepareOptionsMenu(Menu menu) { |
| return mActionBarView.onPrepareOptionsMenu(menu); |
| } |
| |
| @Override |
| public void onPause() { |
| isLoaderInitialized = false; |
| enableNotifications(); |
| } |
| |
| @Override |
| public void onResume() { |
| // Register the receiver that will prevent the status receiver from |
| // displaying its notification icon as long as we're running. |
| // The SupressNotificationReceiver will block the broadcast if we're looking at the folder |
| // that the notification was received for. |
| disableNotifications(); |
| |
| mSafeToModifyFragments = true; |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle outState) { |
| mViewMode.handleSaveInstanceState(outState); |
| if (mAccount != null) { |
| LogUtils.d(LOG_TAG, "Saving the account now"); |
| outState.putParcelable(SAVED_ACCOUNT, mAccount); |
| } |
| if (mFolder != null) { |
| outState.putParcelable(SAVED_FOLDER, mFolder); |
| } |
| // If this is a search activity, let's store the search query term as well. |
| if (ConversationListContext.isSearchResult(mConvListContext)) { |
| outState.putString(SAVED_QUERY, mConvListContext.searchQuery); |
| } |
| if (mCurrentConversation != null && mViewMode.isConversationMode()) { |
| outState.putParcelable(SAVED_CONVERSATION, mCurrentConversation); |
| } |
| if (!mSelectedSet.isEmpty()) { |
| outState.putParcelable(SAVED_SELECTED_SET, mSelectedSet); |
| } |
| if (mToastBar.getVisibility() == View.VISIBLE) { |
| outState.putParcelable(SAVED_TOAST_BAR_OP, mToastBar.getOperation()); |
| } |
| final ConversationListFragment convListFragment = getConversationListFragment(); |
| if (convListFragment != null) { |
| convListFragment.getAnimatedAdapter().onSaveInstanceState(outState); |
| } |
| mSafeToModifyFragments = false; |
| outState.putString(SAVED_HIERARCHICAL_FOLDER, |
| (mFolderListFolder != null) ? Folder.toString(mFolderListFolder) : null); |
| } |
| |
| /** |
| * @see #mSafeToModifyFragments |
| */ |
| protected boolean safeToModifyFragments() { |
| return mSafeToModifyFragments; |
| } |
| |
| @Override |
| public void onSearchRequested(String query) { |
| Intent intent = new Intent(); |
| intent.setAction(Intent.ACTION_SEARCH); |
| intent.putExtra(ConversationListContext.EXTRA_SEARCH_QUERY, query); |
| intent.putExtra(Utils.EXTRA_ACCOUNT, mAccount); |
| intent.setComponent(mActivity.getComponentName()); |
| mActionBarView.collapseSearch(); |
| mActivity.startActivity(intent); |
| } |
| |
| @Override |
| public void onStop() { |
| if (mEnableShareIntents != null) { |
| mEnableShareIntents.cancel(true); |
| } |
| } |
| |
| @Override |
| public void onDestroy() { |
| // unregister the ViewPager's observer on the conversation cursor |
| mPagerController.onDestroy(); |
| mActionBarView.onDestroy(); |
| mRecentFolderList.destroy(); |
| mDestroyed = true; |
| } |
| |
| /** |
| * {@inheritDoc} Subclasses must override this to listen to mode changes |
| * from the ViewMode. Subclasses <b>must</b> call the parent's |
| * onViewModeChanged since the parent will handle common state changes. |
| */ |
| @Override |
| public void onViewModeChanged(int newMode) { |
| // When we step away from the conversation mode, we don't have a current conversation |
| // anymore. Let's blank it out so clients calling getCurrentConversation are not misled. |
| if (!ViewMode.isConversationMode(newMode)) { |
| setCurrentConversation(null); |
| } |
| } |
| |
| public void disablePagerUpdates() { |
| mPagerController.stopListening(); |
| } |
| |
| public boolean isDestroyed() { |
| return mDestroyed; |
| } |
| |
| @Override |
| public void commitDestructiveActions(boolean animate) { |
| ConversationListFragment fragment = getConversationListFragment(); |
| if (fragment != null) { |
| fragment.commitDestructiveActions(animate); |
| } |
| } |
| |
| @Override |
| public void onWindowFocusChanged(boolean hasFocus) { |
| final ConversationListFragment convList = getConversationListFragment(); |
| if (hasFocus && convList != null && convList.isVisible()) { |
| // The conversation list is visible. |
| informCursorVisiblity(true); |
| } |
| } |
| |
| /** |
| * Set the account, and carry out all the account-related changes that rely on this. |
| * @param account |
| */ |
| // TODO(viki): Two different methods do the same thing. Resolve |
| // {@link #setAccount(Account)} and {@link #switchAccount(Account, boolean)} |
| private void setAccount(Account account) { |
| if (account == null) { |
| LogUtils.w(LOG_TAG, new Error(), |
| "AAC ignoring null (presumably invalid) account restoration"); |
| return; |
| } |
| LogUtils.d(LOG_TAG, "AbstractActivityController.setAccount(): account = %s", account.uri); |
| mAccount = account; |
| // Only change AAC state here. Do *not* modify any other object's state. The object |
| // should listen on account changes. |
| restartOptionalLoader(LOADER_RECENT_FOLDERS); |
| mActivity.invalidateOptionsMenu(); |
| disableNotificationsOnAccountChange(mAccount); |
| restartOptionalLoader(LOADER_ACCOUNT_UPDATE_CURSOR); |
| MailAppProvider.getInstance().setLastViewedAccount(mAccount.uri.toString()); |
| |
| if (account.settings == null) { |
| LogUtils.w(LOG_TAG, new Error(), "AAC ignoring account with null settings."); |
| return; |
| } |
| mAccountObservers.notifyChanged(); |
| perhapsEnterWaitMode(); |
| } |
| |
| /** |
| * Restore the state from the previous bundle. Subclasses should call this |
| * method from the parent class, since it performs important UI |
| * initialization. |
| * |
| * @param savedState |
| */ |
| @Override |
| public void onRestoreInstanceState(Bundle savedState) { |
| LogUtils.d(LOG_TAG, "IN AAC.onRestoreInstanceState"); |
| if (savedState.containsKey(SAVED_CONVERSATION)) { |
| // Open the conversation. |
| final Conversation conversation = |
| (Conversation)savedState.getParcelable(SAVED_CONVERSATION); |
| if (conversation != null && conversation.position < 0) { |
| // Set the position to 0 on this conversation, as we don't know where it is |
| // in the list |
| conversation.position = 0; |
| } |
| showConversation(conversation); |
| } |
| |
| if (savedState.containsKey(SAVED_TOAST_BAR_OP)) { |
| ToastBarOperation op = ((ToastBarOperation) savedState |
| .getParcelable(SAVED_TOAST_BAR_OP)); |
| if (op != null) { |
| if (op.getType() == ToastBarOperation.UNDO) { |
| onUndoAvailable(op); |
| } else if (op.getType() == ToastBarOperation.ERROR) { |
| onError(mFolder, true); |
| } |
| } |
| } |
| final String folderString = savedState.getString(SAVED_HIERARCHICAL_FOLDER, null); |
| if (!TextUtils.isEmpty(folderString)) { |
| mFolderListFolder = Folder.fromString(folderString); |
| } |
| final ConversationListFragment convListFragment = getConversationListFragment(); |
| if (convListFragment != null) { |
| convListFragment.getAnimatedAdapter().onRestoreInstanceState(savedState); |
| } |
| /** |
| * Restore the state of selected conversations. This needs to be done after the correct mode |
| * is set and the action bar is fully initialized. If not, several key pieces of state |
| * information will be missing, and the split views may not be initialized correctly. |
| * @param savedState |
| */ |
| restoreSelectedConversations(savedState); |
| } |
| |
| /** |
| * Handle an intent to open the app. This method is called only when there is no saved state, |
| * so we need to set state that wasn't set before. It is correct to change the viewmode here |
| * since it has not been previously set. |
| * @param intent |
| */ |
| private void handleIntent(Intent intent) { |
| boolean handled = false; |
| if (Intent.ACTION_VIEW.equals(intent.getAction())) { |
| if (intent.hasExtra(Utils.EXTRA_ACCOUNT)) { |
| setAccount(Account.newinstance(intent.getStringExtra(Utils.EXTRA_ACCOUNT))); |
| } |
| if (mAccount == null) { |
| return; |
| } |
| final boolean isConversationMode = intent.hasExtra(Utils.EXTRA_CONVERSATION); |
| if (isConversationMode && mViewMode.getMode() == ViewMode.UNKNOWN) { |
| mViewMode.enterConversationMode(); |
| } else { |
| mViewMode.enterConversationListMode(); |
| } |
| final Folder folder = intent.hasExtra(Utils.EXTRA_FOLDER) ? |
| Folder.fromString(intent.getStringExtra(Utils.EXTRA_FOLDER)) : null; |
| if (folder != null) { |
| onFolderChanged(folder); |
| handled = true; |
| } |
| |
| if (isConversationMode) { |
| // Open the conversation. |
| LogUtils.d(LOG_TAG, "SHOW THE CONVERSATION at %s", |
| intent.getParcelableExtra(Utils.EXTRA_CONVERSATION)); |
| final Conversation conversation = |
| (Conversation)intent.getParcelableExtra(Utils.EXTRA_CONVERSATION); |
| if (conversation != null && conversation.position < 0) { |
| // Set the position to 0 on this conversation, as we don't know where it is |
| // in the list |
| conversation.position = 0; |
| } |
| showConversation(conversation); |
| handled = true; |
| } |
| |
| if (!handled) { |
| // We have an account, but nothing else: load the default inbox. |
| loadAccountInbox(); |
| } |
| } else if (Intent.ACTION_SEARCH.equals(intent.getAction())) { |
| if (intent.hasExtra(Utils.EXTRA_ACCOUNT)) { |
| // Save this search query for future suggestions. |
| final String query = intent.getStringExtra(SearchManager.QUERY); |
| final String authority = mContext.getString(R.string.suggestions_authority); |
| final SearchRecentSuggestions suggestions = new SearchRecentSuggestions( |
| mContext, authority, SuggestionsProvider.MODE); |
| suggestions.saveRecentQuery(query, null); |
| if (Utils.showTwoPaneSearchResults(mActivity.getActivityContext())) { |
| mViewMode.enterSearchResultsConversationMode(); |
| } else { |
| mViewMode.enterSearchResultsListMode(); |
| } |
| setAccount((Account) intent.getParcelableExtra(Utils.EXTRA_ACCOUNT)); |
| restartOptionalLoader(LOADER_RECENT_FOLDERS); |
| fetchSearchFolder(intent); |
| } else { |
| LogUtils.e(LOG_TAG, "Missing account extra from search intent. Finishing"); |
| mActivity.finish(); |
| } |
| } |
| if (mAccount != null) { |
| restartOptionalLoader(LOADER_ACCOUNT_UPDATE_CURSOR); |
| } |
| } |
| |
| /** |
| * Copy any selected conversations stored in the saved bundle into our selection set, |
| * triggering {@link ConversationSetObserver} callbacks as our selection set changes. |
| * |
| */ |
| private final void restoreSelectedConversations(Bundle savedState) { |
| if (savedState == null) { |
| mSelectedSet.clear(); |
| return; |
| } |
| final ConversationSelectionSet selectedSet = savedState.getParcelable(SAVED_SELECTED_SET); |
| if (selectedSet == null || selectedSet.isEmpty()) { |
| mSelectedSet.clear(); |
| return; |
| } |
| |
| // putAll will take care of calling our registered onSetPopulated method |
| mSelectedSet.putAll(selectedSet); |
| } |
| |
| @Override |
| public SubjectDisplayChanger getSubjectDisplayChanger() { |
| return mActionBarView; |
| } |
| |
| private final void showConversation(Conversation conversation) { |
| showConversation(conversation, false /* inLoaderCallbacks */); |
| } |
| |
| /** |
| * Show the conversation provided in the arguments. It is safe to pass a null conversation |
| * object, which is a signal to back out of conversation view mode. |
| * Child classes must call super.showConversation() <b>before</b> their own implementations. |
| * @param conversation |
| * @param inLoaderCallbacks true if the method is called as a result of |
| * {@link #onLoadFinished(Loader, Cursor)} |
| */ |
| protected void showConversation(Conversation conversation, boolean inLoaderCallbacks) { |
| // Set the current conversation just in case it wasn't already set. |
| setCurrentConversation(conversation); |
| // Add the folder that we were viewing to the recent folders list. |
| // TODO: this may need to be fine tuned. If this is the signal that is indicating that |
| // the list is shown to the user, this could fire in one pane if the user goes directly |
| // to a conversation |
| updateRecentFolderList(); |
| } |
| |
| /** |
| * Children can override this method, but they must call super.showWaitForInitialization(). |
| * {@inheritDoc} |
| */ |
| @Override |
| public void showWaitForInitialization() { |
| mViewMode.enterWaitingForInitializationMode(); |
| mWaitFragment = WaitFragment.newInstance(mAccount); |
| } |
| |
| private void updateWaitMode() { |
| final FragmentManager manager = mActivity.getFragmentManager(); |
| final WaitFragment waitFragment = |
| (WaitFragment)manager.findFragmentByTag(TAG_WAIT); |
| if (waitFragment != null) { |
| waitFragment.updateAccount(mAccount); |
| } |
| } |
| |
| /** |
| * Remove the "Waiting for Initialization" fragment. Child classes are free to override this |
| * method, though they must call the parent implementation <b>after</b> they do anything. |
| */ |
| protected void hideWaitForInitialization() { |
| mWaitFragment = null; |
| } |
| |
| /** |
| * Use the instance variable and the wait fragment's tag to get the wait fragment. This is |
| * far superior to using the value of mWaitFragment, which might be invalid or might refer |
| * to a fragment after it has been destroyed. |
| * @return |
| */ |
| protected final WaitFragment getWaitFragment() { |
| final FragmentManager manager = mActivity.getFragmentManager(); |
| final WaitFragment waitFrag = (WaitFragment) manager.findFragmentByTag(TAG_WAIT); |
| if (waitFrag != null) { |
| // The Fragment Manager knows better, so use its instance. |
| mWaitFragment = waitFrag; |
| } |
| return mWaitFragment; |
| } |
| |
| /** |
| * Returns true if we are waiting for the account to sync, and cannot show any folders or |
| * conversation for the current account yet. |
| */ |
| private boolean inWaitMode() { |
| final FragmentManager manager = mActivity.getFragmentManager(); |
| final WaitFragment waitFragment = getWaitFragment(); |
| if (waitFragment != null) { |
| final Account fragmentAccount = waitFragment.getAccount(); |
| return fragmentAccount.uri.equals(mAccount.uri) && |
| mViewMode.getMode() == ViewMode.WAITING_FOR_ACCOUNT_INITIALIZATION; |
| } |
| return false; |
| } |
| |
| /** |
| * Children can override this method, but they must call super.showConversationList(). |
| * {@inheritDoc} |
| */ |
| @Override |
| public void showConversationList(ConversationListContext listContext) { |
| } |
| |
| @Override |
| public final void onConversationSelected(Conversation conversation, boolean inLoaderCallbacks) { |
| // Only animate destructive actions if we are going to be showing the |
| // conversation list when we show the next conversation. |
| commitDestructiveActions(Utils.useTabletUI(mContext)); |
| showConversation(conversation, inLoaderCallbacks); |
| } |
| |
| @Override |
| public Conversation getCurrentConversation() { |
| return mCurrentConversation; |
| } |
| |
| /** |
| * Set the current conversation. This is the conversation on which all actions are performed. |
| * Do not modify mCurrentConversation except through this method, which makes it easy to |
| * perform common actions associated with changing the current conversation. |
| * @param conversation |
| */ |
| @Override |
| public void setCurrentConversation(Conversation conversation) { |
| // Must be the first call because this sets conversation.position if a cursor is available. |
| mTracker.initialize(mCurrentConversation); |
| mCurrentConversation = conversation; |
| |
| if (mCurrentConversation != null) { |
| mActionBarView.setCurrentConversation(mCurrentConversation); |
| getSubjectDisplayChanger().setSubject(mCurrentConversation.subject); |
| mActivity.invalidateOptionsMenu(); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public Loader<Cursor> onCreateLoader(int id, Bundle args) { |
| switch (id) { |
| case LOADER_ACCOUNT_CURSOR: |
| return new CursorLoader(mContext, MailAppProvider.getAccountsUri(), |
| UIProvider.ACCOUNTS_PROJECTION, null, null, null); |
| case LOADER_FOLDER_CURSOR: |
| final CursorLoader loader = new CursorLoader(mContext, mFolder.uri, |
| UIProvider.FOLDERS_PROJECTION, null, null, null); |
| loader.setUpdateThrottle(mFolderItemUpdateDelayMs); |
| return loader; |
| case LOADER_RECENT_FOLDERS: |
| if (mAccount != null && mAccount.recentFolderListUri != null) { |
| return new CursorLoader(mContext, mAccount.recentFolderListUri, |
| UIProvider.FOLDERS_PROJECTION, null, null, null); |
| } |
| break; |
| case LOADER_ACCOUNT_INBOX: |
| final Uri defaultInbox = Settings.getDefaultInboxUri(mAccount.settings); |
| final Uri inboxUri = defaultInbox.equals(Uri.EMPTY) ? |
| mAccount.folderListUri : defaultInbox; |
| LogUtils.d(LOG_TAG, "Loading the default inbox: %s", inboxUri); |
| if (inboxUri != null) { |
| return new CursorLoader(mContext, inboxUri, UIProvider.FOLDERS_PROJECTION, null, |
| null, null); |
| } |
| break; |
| case LOADER_SEARCH: |
| return Folder.forSearchResults(mAccount, |
| args.getString(ConversationListContext.EXTRA_SEARCH_QUERY), |
| mActivity.getActivityContext()); |
| case LOADER_ACCOUNT_UPDATE_CURSOR: |
| return new CursorLoader(mContext, mAccount.uri, UIProvider.ACCOUNTS_PROJECTION, |
| null, null, null); |
| default: |
| LogUtils.wtf(LOG_TAG, "Loader returned unexpected id: %d", id); |
| } |
| return null; |
| } |
| |
| @Override |
| public void onLoaderReset(Loader<Cursor> loader) { |
| |
| } |
| |
| /** |
| * {@link LoaderManager} currently has a bug in |
| * {@link LoaderManager#restartLoader(int, Bundle, android.app.LoaderManager.LoaderCallbacks)} |
| * where, if a previous onCreateLoader returned a null loader, this method will NPE. Work around |
| * this bug by destroying any loaders that may have been created as null (essentially because |
| * they are optional loads, and may not apply to a particular account). |
| * <p> |
| * A simple null check before restarting a loader will not work, because that would not |
| * give the controller a chance to invalidate UI corresponding the prior loader result. |
| * |
| * @param id loader ID to safely restart |
| */ |
| private void restartOptionalLoader(int id) { |
| final LoaderManager lm = mActivity.getLoaderManager(); |
| lm.destroyLoader(id); |
| lm.restartLoader(id, Bundle.EMPTY, this); |
| } |
| |
| @Override |
| public void registerConversationListObserver(DataSetObserver observer) { |
| mConversationListObservable.registerObserver(observer); |
| } |
| |
| @Override |
| public void unregisterConversationListObserver(DataSetObserver observer) { |
| mConversationListObservable.unregisterObserver(observer); |
| } |
| |
| @Override |
| public void registerFolderObserver(DataSetObserver observer) { |
| mFolderObservable.registerObserver(observer); |
| } |
| |
| @Override |
| public void unregisterFolderObserver(DataSetObserver observer) { |
| mFolderObservable.unregisterObserver(observer); |
| } |
| |
| @Override |
| public void registerConversationLoadedObserver(DataSetObserver observer) { |
| mPagerController.registerConversationLoadedObserver(observer); |
| } |
| |
| @Override |
| public void unregisterConversationLoadedObserver(DataSetObserver observer) { |
| mPagerController.unregisterConversationLoadedObserver(observer); |
| } |
| |
| /** |
| * Returns true if the number of accounts is different, or if the current account has been |
| * removed from the device |
| * @param accountCursor |
| * @return |
| */ |
| private boolean accountsUpdated(Cursor accountCursor) { |
| // Check to see if the current account hasn't been set, or the account cursor is empty |
| if (mAccount == null || !accountCursor.moveToFirst()) { |
| return true; |
| } |
| |
| // Check to see if the number of accounts are different, from the number we saw on the last |
| // updated |
| if (mCurrentAccountUris.size() != accountCursor.getCount()) { |
| return true; |
| } |
| |
| // Check to see if the account list is different or if the current account is not found in |
| // the cursor. |
| boolean foundCurrentAccount = false; |
| do { |
| final Uri accountUri = |
| Uri.parse(accountCursor.getString(UIProvider.ACCOUNT_URI_COLUMN)); |
| if (!foundCurrentAccount && mAccount.uri.equals(accountUri)) { |
| foundCurrentAccount = true; |
| } |
| // Is there a new account that we do not know about? |
| if (!mCurrentAccountUris.contains(accountUri)) { |
| return true; |
| } |
| } while (accountCursor.moveToNext()); |
| |
| // As long as we found the current account, the list hasn't been updated |
| return !foundCurrentAccount; |
| } |
| |
| /** |
| * Updates accounts for the app. If the current account is missing, the first |
| * account in the list is set to the current account (we <em>have</em> to choose something). |
| * |
| * @param accounts cursor into the AccountCache |
| * @return true if the update was successful, false otherwise |
| */ |
| private boolean updateAccounts(Cursor accounts) { |
| if (accounts == null || !accounts.moveToFirst()) { |
| return false; |
| } |
| |
| final Account[] allAccounts = Account.getAllAccounts(accounts); |
| // A match for the current account's URI in the list of accounts. |
| Account currentFromList = null; |
| |
| // Save the uris for the accounts and find the current account in the updated cursor. |
| mCurrentAccountUris.clear(); |
| for (final Account account : allAccounts) { |
| LogUtils.d(LOG_TAG, "updateAccounts(%s)", account); |
| mCurrentAccountUris.add(account.uri); |
| if (mAccount != null && account.uri.equals(mAccount.uri)) { |
| currentFromList = account; |
| } |
| } |
| |
| // 1. current account is already set and is in allAccounts: |
| // 1a. It has changed -> load the updated account. |
| // 2b. It is unchanged -> no-op |
| // 2. current account is set and is not in allAccounts -> pick first (acct was deleted?) |
| // 3. saved preference has an account -> pick that one |
| // 4. otherwise just pick first |
| |
| boolean accountChanged = false; |
| /// Assume case 4, initialize to first account, and see if we can find anything better. |
| Account newAccount = allAccounts[0]; |
| if (currentFromList != null) { |
| // Case 1: Current account exists but has changed |
| if (!currentFromList.equals(mAccount)) { |
| newAccount = currentFromList; |
| accountChanged = true; |
| } |
| // Case 1b: else, current account is unchanged: nothing to do. |
| } else { |
| // Case 2: Current account is not in allAccounts, the account needs to change. |
| accountChanged = true; |
| if (mAccount == null) { |
| // Case 3: Check for last viewed account, and check if it exists in the list. |
| final String lastAccountUri = MailAppProvider.getInstance().getLastViewedAccount(); |
| if (lastAccountUri != null) { |
| for (final Account account : allAccounts) { |
| if (lastAccountUri.equals(account.uri.toString())) { |
| newAccount = account; |
| break; |
| } |
| } |
| } |
| } |
| } |
| if (accountChanged) { |
| onAccountChanged(newAccount); |
| } |
| // Whether we have updated the current account or not, we need to update the list of |
| // accounts in the ActionBar. |
| mActionBarView.setAccounts(allAccounts); |
| return (allAccounts.length > 0); |
| } |
| |
| private void disableNotifications() { |
| mNewEmailReceiver.activate(mContext, this); |
| } |
| |
| private void enableNotifications() { |
| mNewEmailReceiver.deactivate(); |
| } |
| |
| private void disableNotificationsOnAccountChange(Account account) { |
| // If the new mail suppression receiver is activated for a different account, we want to |
| // activate it for the new account. |
| if (mNewEmailReceiver.activated() && |
| !mNewEmailReceiver.notificationsDisabledForAccount(account)) { |
| // Deactivate the current receiver, otherwise multiple receivers may be registered. |
| mNewEmailReceiver.deactivate(); |
| mNewEmailReceiver.activate(mContext, this); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void onLoadFinished(Loader<Cursor> loader, Cursor data) { |
| // We want to reinitialize only if we haven't ever been initialized, or |
| // if the current account has vanished. |
| if (data == null) { |
| LogUtils.e(LOG_TAG, "Received null cursor from loader id: %d", loader.getId()); |
| } |
| switch (loader.getId()) { |
| case LOADER_ACCOUNT_CURSOR: |
| if (data == null) { |
| // Nothing useful to do if we have no valid data. |
| break; |
| } |
| if (data.getCount() == 0) { |
| // If an empty cursor is returned, the MailAppProvider is indicating that |
| // no accounts have been specified. We want to navigate to the "add account" |
| // activity that will handle the intent returned by the MailAppProvider |
| |
| // If the MailAppProvider believes that all accounts have been loaded, and the |
| // account list is still empty, we want to prompt the user to add an account |
| final Bundle extras = data.getExtras(); |
| final boolean accountsLoaded = |
| extras.getInt(AccountCursorExtraKeys.ACCOUNTS_LOADED) != 0; |
| |
| if (accountsLoaded) { |
| final Intent noAccountIntent = MailAppProvider.getNoAccountIntent(mContext); |
| if (noAccountIntent != null) { |
| mActivity.startActivityForResult(noAccountIntent, |
| ADD_ACCOUNT_REQUEST_CODE); |
| } |
| } |
| } else { |
| final boolean accountListUpdated = accountsUpdated(data); |
| if (!isLoaderInitialized || accountListUpdated) { |
| isLoaderInitialized = updateAccounts(data); |
| } |
| } |
| break; |
| case LOADER_ACCOUNT_UPDATE_CURSOR: |
| // We have gotten an update for current account. |
| |
| // Make sure that this is an update for the current account |
| if (data != null && data.moveToFirst()) { |
| final Account updatedAccount = new Account(data); |
| |
| if (updatedAccount.uri.equals(mAccount.uri)) { |
| // Keep a reference to the previous settings object |
| final Settings previousSettings = mAccount.settings; |
| |
| // Update the controller's reference to the current account |
| mAccount = updatedAccount; |
| LogUtils.d(LOG_TAG, "AbstractActivityController.onLoadFinished(): " |
| + "mAccount = %s", mAccount.uri); |
| |
| // Only notify about a settings change if something differs |
| if (!Objects.equal(mAccount.settings, previousSettings)) { |
| mAccountObservers.notifyChanged(); |
| } |
| perhapsEnterWaitMode(); |
| } else { |
| LogUtils.e(LOG_TAG, "Got update for account: %s with current account: %s", |
| updatedAccount.uri, mAccount.uri); |
| // We need to restart the loader, so the correct account information will |
| // be returned |
| restartOptionalLoader(LOADER_ACCOUNT_UPDATE_CURSOR); |
| } |
| } |
| break; |
| case LOADER_FOLDER_CURSOR: |
| // Check status of the cursor. |
| if (data != null && data.moveToFirst()) { |
| final Folder folder = new Folder(data); |
| LogUtils.d(LOG_TAG, "FOLDER STATUS = %d", folder.syncStatus); |
| setHasFolderChanged(folder); |
| mFolder = folder; |
| mFolderObservable.notifyChanged(); |
| } else { |
| LogUtils.d(LOG_TAG, "Unable to get the folder %s", |
| mFolder != null ? mAccount.name : ""); |
| } |
| break; |
| case LOADER_RECENT_FOLDERS: |
| // Few recent folders and we are running on a phone? Populate the default recents. |
| // The number of default recent folders is at least 2: every provider has at |
| // least two folders, and the recent folder count never decreases. Having a single |
| // recent folder is an erroneous case, and we can gracefully recover by populating |
| // default recents. The default recents will not stomp on the existing value: it |
| // will be shown in addition to the default folders: the max number of recent |
| // folders is more than 1+num(defaultRecents). |
| if (data != null && data.getCount() <= 1 && !Utils.useTabletUI(mContext)) { |
| final class PopulateDefault extends AsyncTask<Uri, Void, Void> { |
| @Override |
| protected Void doInBackground(Uri... uri) { |
| // Asking for an update on the URI and ignore the result. |
| final ContentResolver resolver = mContext.getContentResolver(); |
| resolver.update(uri[0], null, null, null); |
| return null; |
| } |
| } |
| final Uri uri = mAccount.defaultRecentFolderListUri; |
| LogUtils.v(LOG_TAG, "Default recents at %s", uri); |
| new PopulateDefault().execute(uri); |
| break; |
| } |
| LogUtils.v(LOG_TAG, "Reading recent folders from the cursor."); |
| loadRecentFolders(data); |
| break; |
| case LOADER_ACCOUNT_INBOX: |
| if (data != null && !data.isClosed() && data.moveToFirst()) { |
| Folder inbox = new Folder(data); |
| onFolderChanged(inbox); |
| // Just want to get the inbox, don't care about updates to it |
| // as this will be tracked by the folder change listener. |
| mActivity.getLoaderManager().destroyLoader(LOADER_ACCOUNT_INBOX); |
| } else { |
| LogUtils.d(LOG_TAG, "Unable to get the account inbox for account %s", |
| mAccount != null ? mAccount.name : ""); |
| } |
| break; |
| case LOADER_SEARCH: |
| if (data != null && data.getCount() > 0) { |
| data.moveToFirst(); |
| final Folder search = new Folder(data); |
| updateFolder(search); |
| mConvListContext = ConversationListContext.forSearchQuery(mAccount, mFolder, |
| mActivity.getIntent() |
| .getStringExtra(UIProvider.SearchQueryParameters.QUERY)); |
| showConversationList(mConvListContext); |
| mActivity.invalidateOptionsMenu(); |
| mActivity.getLoaderManager().destroyLoader(LOADER_SEARCH); |
| } else { |
| LogUtils.e(LOG_TAG, "Null or empty cursor returned by LOADER_SEARCH loader"); |
| } |
| break; |
| } |
| } |
| |
| |
| /** |
| * Destructive actions on Conversations. This class should only be created by controllers, and |
| * clients should only require {@link DestructiveAction}s, not specific implementations of the. |
| * Only the controllers should know what kind of destructive actions are being created. |
| */ |
| public class ConversationAction implements DestructiveAction { |
| /** |
| * The action to be performed. This is specified as the resource ID of the menu item |
| * corresponding to this action: R.id.delete, R.id.report_spam, etc. |
| */ |
| private final int mAction; |
| /** The action will act upon these conversations */ |
| private final Collection<Conversation> mTarget; |
| /** Whether this destructive action has already been performed */ |
| private boolean mCompleted; |
| /** Whether this is an action on the currently selected set. */ |
| private final boolean mIsSelectedSet; |
| |
| /** |
| * Create a listener object. action is one of four constants: R.id.y_button (archive), |
| * R.id.delete , R.id.mute, and R.id.report_spam. |
| * @param action |
| * @param target Conversation that we want to apply the action to. |
| * @param isBatch whether the conversations are in the currently selected batch set. |
| */ |
| public ConversationAction(int action, Collection<Conversation> target, boolean isBatch) { |
| mAction = action; |
| mTarget = ImmutableList.copyOf(target); |
| mIsSelectedSet = isBatch; |
| } |
| |
| /** |
| * The action common to child classes. This performs the action specified in the constructor |
| * on the conversations given here. |
| */ |
| @Override |
| public void performAction() { |
| if (isPerformed()) { |
| return; |
| } |
| boolean undoEnabled = mAccount.supportsCapability(AccountCapabilities.UNDO); |
| |
| // Are we destroying the currently shown conversation? Show the next one. |
| if (LogUtils.isLoggable(LOG_TAG, LogUtils.DEBUG)){ |
| LogUtils.d(LOG_TAG, "ConversationAction.performAction():" |
| + "\nmTarget=%s\nCurrent=%s", |
| Conversation.toString(mTarget), mCurrentConversation); |
| } |
| |
| if (mConversationListCursor == null) { |
| LogUtils.e(LOG_TAG, "null ConversationCursor in ConversationAction.performAction():" |
| + "\nmTarget=%s\nCurrent=%s", |
| Conversation.toString(mTarget), mCurrentConversation); |
| return; |
| } |
| |
| switch (mAction) { |
| case R.id.archive: |
| LogUtils.d(LOG_TAG, "Archiving"); |
| mConversationListCursor.archive(mContext, mTarget); |
| break; |
| case R.id.delete: |
| LogUtils.d(LOG_TAG, "Deleting"); |
| mConversationListCursor.delete(mContext, mTarget); |
| if (mFolder.supportsCapability(FolderCapabilities.DELETE_ACTION_FINAL)) { |
| undoEnabled = false; |
| } |
| break; |
| case R.id.mute: |
| LogUtils.d(LOG_TAG, "Muting"); |
| if (mFolder.supportsCapability(FolderCapabilities.DESTRUCTIVE_MUTE)) { |
| for (Conversation c : mTarget) { |
| c.localDeleteOnUpdate = true; |
| } |
| } |
| mConversationListCursor.mute(mContext, mTarget); |
| break; |
| case R.id.report_spam: |
| LogUtils.d(LOG_TAG, "Reporting spam"); |
| mConversationListCursor.reportSpam(mContext, mTarget); |
| break; |
| case R.id.mark_not_spam: |
| LogUtils.d(LOG_TAG, "Marking not spam"); |
| mConversationListCursor.reportNotSpam(mContext, mTarget); |
| break; |
| case R.id.report_phishing: |
| LogUtils.d(LOG_TAG, "Reporting phishing"); |
| mConversationListCursor.reportPhishing(mContext, mTarget); |
| break; |
| case R.id.remove_star: |
| LogUtils.d(LOG_TAG, "Removing star"); |
| // Star removal is destructive in the Starred folder. |
| mConversationListCursor.updateBoolean(mContext, mTarget, |
| ConversationColumns.STARRED, false); |
| break; |
| case R.id.mark_not_important: |
| LogUtils.d(LOG_TAG, "Marking not-important"); |
| // Marking not important is destructive in a mailbox |
| // containing only important messages |
| if (mFolder != null && mFolder.isImportantOnly()) { |
| for (Conversation conv : mTarget) { |
| conv.localDeleteOnUpdate = true; |
| } |
| } |
| mConversationListCursor.updateInt(mContext, mTarget, |
| ConversationColumns.PRIORITY, UIProvider.ConversationPriority.LOW); |
| break; |
| case R.id.discard_drafts: |
| LogUtils.d(LOG_TAG, "Discarding draft messages"); |
| // Discarding draft messages is destructive in a "draft" mailbox |
| if (mFolder != null && mFolder.isDraft()) { |
| for (Conversation conv : mTarget) { |
| conv.localDeleteOnUpdate = true; |
| } |
| } |
| mConversationListCursor.discardDrafts(mContext, mTarget); |
| // We don't support undoing discarding drafts |
| undoEnabled = false; |
| break; |
| } |
| if (undoEnabled) { |
| mHandler.postDelayed(new Runnable() { |
| @Override |
| public void run() { |
| onUndoAvailable(new ToastBarOperation(mTarget.size(), mAction, |
| ToastBarOperation.UNDO, mIsSelectedSet)); |
| } |
| }, mShowUndoBarDelay); |
| } |
| refreshConversationList(); |
| if (mIsSelectedSet) { |
| mSelectedSet.clear(); |
| } |
| } |
| |
| /** |
| * Returns true if this action has been performed, false otherwise. |
| * |
| */ |
| private synchronized boolean isPerformed() { |
| if (mCompleted) { |
| return true; |
| } |
| mCompleted = true; |
| return false; |
| } |
| } |
| |
| /** |
| * Get a destructive action for a menu action. |
| * This is a temporary method, to control the profusion of {@link DestructiveAction} classes |
| * that are created. Please do not copy this paradigm. |
| * @param action the resource ID of the menu action: R.id.delete, for example |
| * @param target the conversations to act upon. |
| * @return a {@link DestructiveAction} that performs the specified action. |
| */ |
| private final DestructiveAction getAction(int action, Collection<Conversation> target) { |
| final DestructiveAction da = new ConversationAction(action, target, false); |
| registerDestructiveAction(da); |
| return da; |
| } |
| |
| // Called from the FolderSelectionDialog after a user is done selecting folders to assign the |
| // conversations to. |
| @Override |
| public final void assignFolder(Collection<FolderOperation> folderOps, |
| Collection<Conversation> target, boolean batch, boolean showUndo) { |
| // Actions are destructive only when the current folder can be assigned |
| // to (which is the same as being able to un-assign a conversation from the folder) and |
| // when the list of folders contains the current folder. |
| final boolean isDestructive = mFolder |
| .supportsCapability(FolderCapabilities.CAN_ACCEPT_MOVED_MESSAGES) |
| && FolderOperation.isDestructive(folderOps, mFolder); |
| LogUtils.d(LOG_TAG, "onFolderChangesCommit: isDestructive = %b", isDestructive); |
| if (isDestructive) { |
| for (final Conversation c : target) { |
| c.localDeleteOnUpdate = true; |
| } |
| } |
| final DestructiveAction folderChange; |
| // Update the UI elements depending no their visibility and availability |
| // TODO(viki): Consolidate this into a single method requestDelete. |
| if (isDestructive) { |
| folderChange = getDeferredFolderChange(target, folderOps, isDestructive, |
| batch, showUndo); |
| delete(0, target, folderChange); |
| } else { |
| folderChange = getFolderChange(target, folderOps, isDestructive, |
| batch, showUndo); |
| requestUpdate(target, folderChange); |
| } |
| } |
| |
| @Override |
| public final void onRefreshRequired() { |
| if (isAnimating() || isDragging()) { |
| LogUtils.d(LOG_TAG, "onRefreshRequired: delay until animating done"); |
| return; |
| } |
| // Refresh the query in the background |
| if (mConversationListCursor.isRefreshRequired()) { |
| mConversationListCursor.refresh(); |
| } |
| } |
| |
| @Override |
| public void startDragMode() { |
| mIsDragHappening = true; |
| } |
| |
| @Override |
| public void stopDragMode() { |
| mIsDragHappening = false; |
| if (mConversationListCursor.isRefreshReady()) { |
| LogUtils.d(LOG_TAG, "Stopped animating: try sync"); |
| onRefreshReady(); |
| } |
| |
| if (mConversationListCursor.isRefreshRequired()) { |
| LogUtils.d(LOG_TAG, "Stopped animating: refresh"); |
| mConversationListCursor.refresh(); |
| } |
| } |
| |
| private boolean isDragging() { |
| return mIsDragHappening; |
| } |
| |
| @Override |
| public boolean isAnimating() { |
| boolean isAnimating = false; |
| ConversationListFragment convListFragment = getConversationListFragment(); |
| if (convListFragment != null) { |
| AnimatedAdapter adapter = convListFragment.getAnimatedAdapter(); |
| if (adapter != null) { |
| isAnimating = adapter.isAnimating(); |
| } |
| } |
| return isAnimating; |
| } |
| |
| /** |
| * Called when the {@link ConversationCursor} is changed or has new data in it. |
| * <p> |
| * {@inheritDoc} |
| */ |
| @Override |
| public final void onRefreshReady() { |
| if (!isAnimating()) { |
| // Swap cursors |
| mConversationListCursor.sync(); |
| } |
| mTracker.onCursorUpdated(); |
| } |
| |
| @Override |
| public final void onDataSetChanged() { |
| updateConversationListFragment(); |
| mConversationListObservable.notifyChanged(); |
| mSelectedSet.validateAgainstCursor(mConversationListCursor); |
| } |
| |
| /** |
| * If the Conversation List Fragment is visible, updates the fragment. |
| */ |
| private final void updateConversationListFragment() { |
| final ConversationListFragment convList = getConversationListFragment(); |
| if (convList != null) { |
| refreshConversationList(); |
| if (convList.isVisible()) { |
| informCursorVisiblity(true); |
| } |
| } |
| } |
| |
| /** |
| * This class handles throttled refresh of the conversation list |
| */ |
| static class RefreshTimerTask extends TimerTask { |
| final Handler mHandler; |
| final AbstractActivityController mController; |
| |
| RefreshTimerTask(AbstractActivityController controller, Handler handler) { |
| mHandler = handler; |
| mController = controller; |
| } |
| |
| @Override |
| public void run() { |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| LogUtils.d(LOG_TAG, "Delay done... calling onRefreshRequired"); |
| mController.onRefreshRequired(); |
| }}); |
| } |
| } |
| |
| /** |
| * Cancel the refresh task, if it's running |
| */ |
| private void cancelRefreshTask () { |
| if (mConversationListRefreshTask != null) { |
| mConversationListRefreshTask.cancel(); |
| mConversationListRefreshTask = null; |
| } |
| } |
| |
| private void loadRecentFolders(Cursor data) { |
| mRecentFolderList.loadFromUiProvider(data); |
| if (isAnimating()) { |
| mRecentsDataUpdated = true; |
| } else { |
| mRecentFolderObservers.notifyChanged(); |
| } |
| } |
| |
| @Override |
| public void onAnimationEnd(AnimatedAdapter animatedAdapter) { |
| if (mConversationListCursor == null) { |
| LogUtils.e(LOG_TAG, "null ConversationCursor in onAnimationEnd"); |
| return; |
| } |
| if (mConversationListCursor.isRefreshReady()) { |
| LogUtils.d(LOG_TAG, "Stopped animating: try sync"); |
| onRefreshReady(); |
| } |
| |
| if (mConversationListCursor.isRefreshRequired()) { |
| LogUtils.d(LOG_TAG, "Stopped animating: refresh"); |
| mConversationListCursor.refresh(); |
| } |
| if (mRecentsDataUpdated) { |
| mRecentsDataUpdated = false; |
| mRecentFolderObservers.notifyChanged(); |
| } |
| FolderListFragment frag = this.getFolderListFragment(); |
| if (frag != null) { |
| frag.onAnimationEnd(); |
| } |
| } |
| |
| @Override |
| public void onSetEmpty() { |
| } |
| |
| @Override |
| public void onSetPopulated(ConversationSelectionSet set) { |
| final ConversationListFragment convList = getConversationListFragment(); |
| if (convList == null) { |
| return; |
| } |
| mCabActionMenu = new SelectedConversationsActionMenu(mActivity, set, mFolder, |
| (SwipeableListView) convList.getListView()); |
| enableCabMode(); |
| } |
| |
| @Override |
| public void onSetChanged(ConversationSelectionSet set) { |
| // Do nothing. We don't care about changes to the set. |
| } |
| |
| @Override |
| public ConversationSelectionSet getSelectedSet() { |
| return mSelectedSet; |
| } |
| |
| /** |
| * Disable the Contextual Action Bar (CAB). The selected set is not changed. |
| */ |
| protected void disableCabMode() { |
| // Commit any previous destructive actions when entering/ exiting CAB mode. |
| commitDestructiveActions(true); |
| if (mCabActionMenu != null) { |
| mCabActionMenu.deactivate(); |
| } |
| } |
| |
| /** |
| * Re-enable the CAB menu if required. The selection set is not changed. |
| */ |
| protected void enableCabMode() { |
| if (mCabActionMenu != null) { |
| mCabActionMenu.activate(); |
| } |
| } |
| |
| /** |
| * Unselect conversations and exit CAB mode. |
| */ |
| protected final void exitCabMode() { |
| mSelectedSet.clear(); |
| } |
| |
| @Override |
| public void startSearch() { |
| if (mAccount == null) { |
| // We cannot search if there is no account. Drop the request to the floor. |
| LogUtils.d(LOG_TAG, "AbstractActivityController.startSearch(): null account"); |
| return; |
| } |
| if (mAccount.supportsCapability(UIProvider.AccountCapabilities.LOCAL_SEARCH) |
| | mAccount.supportsCapability(UIProvider.AccountCapabilities.SERVER_SEARCH)) { |
| onSearchRequested(mActionBarView.getQuery()); |
| } else { |
| Toast.makeText(mActivity.getActivityContext(), mActivity.getActivityContext() |
| .getString(R.string.search_unsupported), Toast.LENGTH_SHORT).show(); |
| } |
| } |
| |
| @Override |
| public void exitSearchMode() { |
| if (mViewMode.getMode() == ViewMode.SEARCH_RESULTS_LIST) { |
| mActivity.finish(); |
| } |
| } |
| |
| /** |
| * Supports dragging conversations to a folder. |
| */ |
| @Override |
| public boolean supportsDrag(DragEvent event, Folder folder) { |
| return (folder != null |
| && event != null |
| && event.getClipDescription() != null |
| && folder.supportsCapability |
| (UIProvider.FolderCapabilities.CAN_ACCEPT_MOVED_MESSAGES) |
| && folder.supportsCapability |
| (UIProvider.FolderCapabilities.CAN_HOLD_MAIL) |
| && !mFolder.uri.equals(folder.uri)); |
| } |
| |
| /** |
| * Handles dropping conversations to a folder. |
| */ |
| @Override |
| public void handleDrop(DragEvent event, final Folder folder) { |
| if (!supportsDrag(event, folder)) { |
| return; |
| } |
| final Collection<Conversation> conversations = mSelectedSet.values(); |
| final ArrayList<FolderOperation> dragDropOperations = new ArrayList<FolderOperation>(); |
| // Add the drop target folder. |
| dragDropOperations.add(new FolderOperation(folder, true)); |
| // Remove the current folder unless the user is viewing "all". |
| // That operation should just add the new folder. |
| boolean isDestructive = !mFolder.isViewAll() |
| && mFolder.supportsCapability |
| (UIProvider.FolderCapabilities.CAN_ACCEPT_MOVED_MESSAGES); |
| if (isDestructive) { |
| dragDropOperations.add(new FolderOperation(mFolder, false)); |
| } |
| // Drag and drop is destructive: we remove conversations from the |
| // current folder. |
| final DestructiveAction action = getFolderChange(conversations, dragDropOperations, |
| isDestructive, true, true); |
| if (isDestructive) { |
| delete(0, conversations, action); |
| } else { |
| action.performAction(); |
| } |
| } |
| |
| @Override |
| public void onTouchEvent(MotionEvent event) { |
| if (event.getAction() == MotionEvent.ACTION_DOWN) { |
| if (mToastBar != null && !mToastBar.isEventInToastBar(event)) { |
| hideOrRepositionToastBar(true); |
| } |
| } |
| } |
| |
| protected abstract void hideOrRepositionToastBar(boolean animated); |
| |
| @Override |
| public void onConversationSeen(Conversation conv) { |
| mPagerController.onConversationSeen(conv); |
| } |
| |
| @Override |
| public boolean isInitialConversationLoading() { |
| return mPagerController.isInitialConversationLoading(); |
| } |
| |
| private class ConversationListLoaderCallbacks implements |
| LoaderManager.LoaderCallbacks<ConversationCursor> { |
| |
| @Override |
| public Loader<ConversationCursor> onCreateLoader(int id, Bundle args) { |
| Loader<ConversationCursor> result = new ConversationCursorLoader((Activity) mActivity, |
| mAccount, mFolder.conversationListUri, mFolder.name); |
| return result; |
| } |
| |
| @Override |
| public void onLoadFinished(Loader<ConversationCursor> loader, ConversationCursor data) { |
| LogUtils.d(LOG_TAG, "IN AAC.ConversationCursor.onLoadFinished, data=%s loader=%s", |
| data, loader); |
| // Clear our all pending destructive actions before swapping the conversation cursor |
| destroyPending(null); |
| mConversationListCursor = data; |
| mConversationListCursor.addListener(AbstractActivityController.this); |
| |
| mTracker.onCursorUpdated(); |
| mConversationListObservable.notifyChanged(); |
| |
| final ConversationListFragment convList = getConversationListFragment(); |
| if (convList != null && convList.isVisible()) { |
| // The conversation list is already listening to list changes and gets notified |
| // in the mConversationListObservable.notifyChanged() line above. We only need to |
| // check and inform the cursor of the change in visibility here. |
| informCursorVisiblity(true); |
| } |
| // Shown for search results in two-pane mode only. |
| if (shouldShowFirstConversation()) { |
| if (mConversationListCursor.getCount() > 0) { |
| mConversationListCursor.moveToPosition(0); |
| final Conversation conv = new Conversation(mConversationListCursor); |
| conv.position = 0; |
| onConversationSelected(conv, true /* checkSafeToModifyFragments */); |
| } |
| } |
| } |
| |
| @Override |
| public void onLoaderReset(Loader<ConversationCursor> loader) { |
| LogUtils.d(LOG_TAG, "IN AAC.ConversationCursor.onLoaderReset, data=%s loader=%s", |
| mConversationListCursor, loader); |
| |
| if (mConversationListCursor != null) { |
| // Unregister the listener |
| mConversationListCursor.removeListener(AbstractActivityController.this); |
| mConversationListCursor = null; |
| |
| // Inform anyone who is interested about the change |
| mTracker.onCursorUpdated(); |
| mConversationListObservable.notifyChanged(); |
| } |
| } |
| } |
| |
| /** |
| * Destroy the pending {@link DestructiveAction} till now and assign the given action as the |
| * next destructive action.. |
| * @param nextAction the next destructive action to be performed. This can be null. |
| */ |
| private final void destroyPending(DestructiveAction nextAction) { |
| // If there is a pending action, perform that first. |
| if (mPendingDestruction != null) { |
| mPendingDestruction.performAction(); |
| } |
| mPendingDestruction = nextAction; |
| } |
| |
| /** |
| * Register a destructive action with the controller. This performs the previous destructive |
| * action as a side effect. This method is final because we don't want the child classes to |
| * embellish this method any more. |
| * @param action |
| */ |
| private final void registerDestructiveAction(DestructiveAction action) { |
| // TODO(viki): This is not a good idea. The best solution is for clients to request a |
| // destructive action from the controller and for the controller to own the action. This is |
| // a half-way solution while refactoring DestructiveAction. |
| destroyPending(action); |
| return; |
| } |
| |
| @Override |
| public final DestructiveAction getBatchAction(int action) { |
| final DestructiveAction da = new ConversationAction(action, mSelectedSet.values(), true); |
| registerDestructiveAction(da); |
| return da; |
| } |
| |
| @Override |
| public final DestructiveAction getDeferredBatchAction(int action) { |
| return getDeferredAction(action, mSelectedSet.values(), true); |
| } |
| |
| /** |
| * Get a destructive action for a menu action. This is a temporary method, |
| * to control the profusion of {@link DestructiveAction} classes that are |
| * created. Please do not copy this paradigm. |
| * @param action the resource ID of the menu action: R.id.delete, for |
| * example |
| * @param target the conversations to act upon. |
| * @return a {@link DestructiveAction} that performs the specified action. |
| */ |
| @Override |
| public DestructiveAction getDeferredAction(int action, Collection<Conversation> target, |
| boolean batch) { |
| final DestructiveAction da = new ConversationAction(action, target, batch); |
| return da; |
| } |
| |
| /** |
| * Class to change the folders that are assigned to a set of conversations. This is destructive |
| * because the user can remove the current folder from the conversation, in which case it has |
| * to be animated away from the current folder. |
| */ |
| private class FolderDestruction implements DestructiveAction { |
| private final Collection<Conversation> mTarget; |
| private final ArrayList<FolderOperation> mFolderOps = new ArrayList<FolderOperation>(); |
| private final boolean mIsDestructive; |
| /** Whether this destructive action has already been performed */ |
| private boolean mCompleted; |
| private boolean mIsSelectedSet; |
| private boolean mShowUndo; |
| private int mAction; |
| |
| /** |
| * Create a new folder destruction object to act on the given conversations. |
| * @param target |
| */ |
| private FolderDestruction(final Collection<Conversation> target, |
| final Collection<FolderOperation> folders, boolean isDestructive, boolean isBatch, |
| boolean showUndo, int action) { |
| mTarget = ImmutableList.copyOf(target); |
| mFolderOps.addAll(folders); |
| mIsDestructive = isDestructive; |
| mIsSelectedSet = isBatch; |
| mShowUndo = showUndo; |
| mAction = action; |
| } |
| |
| @Override |
| public void performAction() { |
| if (isPerformed()) { |
| return; |
| } |
| if (mIsDestructive && mShowUndo) { |
| ToastBarOperation undoOp = new ToastBarOperation(mTarget.size(), |
| mAction, ToastBarOperation.UNDO, mIsSelectedSet); |
| onUndoAvailable(undoOp); |
| } |
| // For each conversation, for each operation, add/ remove the |
| // appropriate folders. |
| ArrayList<String> updatedTargetFolders = new ArrayList<String>(mTarget.size()); |
| for (Conversation target : mTarget) { |
| HashMap<Uri, Folder> targetFolders = Folder |
| .hashMapForFolders(target.getRawFolders()); |
| if (mIsDestructive) { |
| target.localDeleteOnUpdate = true; |
| } |
| for (FolderOperation op : mFolderOps) { |
| if (op.mAdd) { |
| targetFolders.put(op.mFolder.uri, op.mFolder); |
| } else { |
| targetFolders.remove(op.mFolder.uri); |
| } |
| } |
| updatedTargetFolders.add(Folder.getSerializedFolderString(targetFolders.values())); |
| } |
| if (mConversationListCursor != null) { |
| mConversationListCursor.updateStrings(mContext, mTarget, |
| Conversation.UPDATE_FOLDER_COLUMN, updatedTargetFolders); |
| } |
| refreshConversationList(); |
| if (mIsSelectedSet) { |
| mSelectedSet.clear(); |
| } |
| } |
| |
| /** |
| * Returns true if this action has been performed, false otherwise. |
| * |
| */ |
| private synchronized boolean isPerformed() { |
| if (mCompleted) { |
| return true; |
| } |
| mCompleted = true; |
| return false; |
| } |
| } |
| |
| public final DestructiveAction getFolderChange(Collection<Conversation> target, |
| Collection<FolderOperation> folders, boolean isDestructive, boolean isBatch, |
| boolean showUndo) { |
| final DestructiveAction da = getDeferredFolderChange(target, folders, isDestructive, |
| isBatch, showUndo); |
| registerDestructiveAction(da); |
| return da; |
| } |
| |
| public final DestructiveAction getDeferredFolderChange(Collection<Conversation> target, |
| Collection<FolderOperation> folders, boolean isDestructive, boolean isBatch, |
| boolean showUndo) { |
| final DestructiveAction da = new FolderDestruction(target, folders, isDestructive, isBatch, |
| showUndo, R.id.change_folder); |
| return da; |
| } |
| |
| @Override |
| public final DestructiveAction getDeferredRemoveFolder(Collection<Conversation> target, |
| Folder toRemove, boolean isDestructive, boolean isBatch, |
| boolean showUndo) { |
| Collection<FolderOperation> folderOps = new ArrayList<FolderOperation>(); |
| folderOps.add(new FolderOperation(toRemove, false)); |
| return new FolderDestruction(target, folderOps, isDestructive, isBatch, |
| showUndo, R.id.remove_folder); |
| } |
| |
| private final DestructiveAction getRemoveFolder(Collection<Conversation> target, |
| Folder toRemove, boolean isDestructive, boolean isBatch, boolean showUndo) { |
| DestructiveAction da = getDeferredRemoveFolder(target, toRemove, isDestructive, isBatch, |
| showUndo); |
| registerDestructiveAction(da); |
| return da; |
| } |
| |
| @Override |
| public final void refreshConversationList() { |
| final ConversationListFragment convList = getConversationListFragment(); |
| if (convList == null) { |
| return; |
| } |
| convList.requestListRefresh(); |
| } |
| |
| protected final ActionClickedListener getUndoClickedListener( |
| final AnimatedAdapter listAdapter) { |
| return new ActionClickedListener() { |
| @Override |
| public void onActionClicked() { |
| if (mAccount.undoUri != null) { |
| // NOTE: We might want undo to return the messages affected, in which case |
| // the resulting cursor might be interesting... |
| // TODO: Use UIProvider.SEQUENCE_QUERY_PARAMETER to indicate the set of |
| // commands to undo |
| if (mConversationListCursor != null) { |
| mConversationListCursor.undo( |
| mActivity.getActivityContext(), mAccount.undoUri); |
| } |
| if (listAdapter != null) { |
| listAdapter.setUndo(true); |
| } |
| } |
| } |
| }; |
| } |
| |
| /** |
| * Shows an error toast in the bottom when a folder was not fetched successfully. |
| * @param folder the folder which could not be fetched. |
| * @param replaceVisibleToast if true, this should replace any currently visible toast. |
| */ |
| protected final void showErrorToast(final Folder folder, boolean replaceVisibleToast) { |
| mToastBar.setConversationMode(false); |
| |
| final ActionClickedListener listener; |
| final int actionTextResourceId; |
| final int lastSyncResult = folder.lastSyncResult; |
| switch (lastSyncResult & 0x0f) { |
| case UIProvider.LastSyncResult.CONNECTION_ERROR: |
| // The sync request that caused this failure. |
| final int syncRequest = lastSyncResult >> 4; |
| // Show: User explicitly pressed the refresh button and there is no connection |
| // Show: The first time the user enters the app and there is no connection |
| // TODO(viki): Implement this. |
| // Reference: http://b/7202801 |
| final boolean showToast = (syncRequest & UIProvider.SyncStatus.USER_REFRESH) != 0; |
| // Don't show: Already in the app; user switches to a synced label |
| // Don't show: In a live label and a background sync fails |
| final boolean avoidToast = !showToast && (folder.syncWindow > 0 |
| || (syncRequest & UIProvider.SyncStatus.BACKGROUND_SYNC) != 0); |
| if (avoidToast) { |
| return; |
| } |
| listener = getRetryClickedListener(folder); |
| actionTextResourceId = R.string.retry; |
| break; |
| case UIProvider.LastSyncResult.AUTH_ERROR: |
| listener = getSignInClickedListener(); |
| actionTextResourceId = R.string.signin; |
| break; |
| case UIProvider.LastSyncResult.SECURITY_ERROR: |
| return; // Currently we do nothing for security errors. |
| case UIProvider.LastSyncResult.STORAGE_ERROR: |
| listener = getStorageErrorClickedListener(); |
| actionTextResourceId = R.string.info; |
| break; |
| case UIProvider.LastSyncResult.INTERNAL_ERROR: |
| listener = getInternalErrorClickedListener(); |
| actionTextResourceId = R.string.report; |
| break; |
| default: |
| return; |
| } |
| mToastBar.show(listener, |
| R.drawable.ic_alert_white, |
| Utils.getSyncStatusText(mActivity.getActivityContext(), lastSyncResult), |
| false, /* showActionIcon */ |
| actionTextResourceId, |
| replaceVisibleToast, |
| new ToastBarOperation(1, 0, ToastBarOperation.ERROR, false)); |
| } |
| |
| private ActionClickedListener getRetryClickedListener(final Folder folder) { |
| return new ActionClickedListener() { |
| @Override |
| public void onActionClicked() { |
| final Uri uri = folder.refreshUri; |
| |
| if (uri != null) { |
| startAsyncRefreshTask(uri); |
| } |
| } |
| }; |
| } |
| |
| private ActionClickedListener getSignInClickedListener() { |
| return new ActionClickedListener() { |
| @Override |
| public void onActionClicked() { |
| promptUserForAuthentication(mAccount); |
| } |
| }; |
| } |
| |
| private ActionClickedListener getStorageErrorClickedListener() { |
| return new ActionClickedListener() { |
| @Override |
| public void onActionClicked() { |
| showStorageErrorDialog(); |
| } |
| }; |
| } |
| |
| private void showStorageErrorDialog() { |
| DialogFragment fragment = (DialogFragment) |
| mFragmentManager.findFragmentByTag(SYNC_ERROR_DIALOG_FRAGMENT_TAG); |
| if (fragment == null) { |
| fragment = SyncErrorDialogFragment.newInstance(); |
| } |
| fragment.show(mFragmentManager, SYNC_ERROR_DIALOG_FRAGMENT_TAG); |
| } |
| |
| private ActionClickedListener getInternalErrorClickedListener() { |
| return new ActionClickedListener() { |
| @Override |
| public void onActionClicked() { |
| Utils.sendFeedback( |
| mActivity.getActivityContext(), mAccount, true /* reportingProblem */); |
| } |
| }; |
| } |
| |
| @Override |
| public void onFooterViewErrorActionClick(Folder folder, int errorStatus) { |
| Uri uri = null; |
| switch (errorStatus) { |
| case UIProvider.LastSyncResult.CONNECTION_ERROR: |
| if (folder != null && folder.refreshUri != null) { |
| uri = folder.refreshUri; |
| } |
| break; |
| case UIProvider.LastSyncResult.AUTH_ERROR: |
| promptUserForAuthentication(mAccount); |
| return; |
| case UIProvider.LastSyncResult.SECURITY_ERROR: |
| return; // Currently we do nothing for security errors. |
| case UIProvider.LastSyncResult.STORAGE_ERROR: |
| showStorageErrorDialog(); |
| return; |
| case UIProvider.LastSyncResult.INTERNAL_ERROR: |
| Utils.sendFeedback( |
| mActivity.getActivityContext(), mAccount, true /* reportingProblem */); |
| return; |
| default: |
| return; |
| } |
| |
| if (uri != null) { |
| startAsyncRefreshTask(uri); |
| } |
| } |
| |
| @Override |
| public void onFooterViewLoadMoreClick(Folder folder) { |
| if (folder != null && folder.loadMoreUri != null) { |
| startAsyncRefreshTask(folder.loadMoreUri); |
| } |
| } |
| |
| private void startAsyncRefreshTask(Uri uri) { |
| if (mFolderSyncTask != null) { |
| mFolderSyncTask.cancel(true); |
| } |
| mFolderSyncTask = new AsyncRefreshTask(mActivity.getActivityContext(), uri); |
| mFolderSyncTask.execute(); |
| } |
| |
| private void promptUserForAuthentication(Account account) { |
| if (account != null && !Utils.isEmpty(account.reauthenticationIntentUri)) { |
| final Intent authenticationIntent = |
| new Intent(Intent.ACTION_VIEW, account.reauthenticationIntentUri); |
| mActivity.startActivityForResult(authenticationIntent, REAUTHENTICATE_REQUEST_CODE); |
| } |
| } |
| |
| @Override |
| public void onAccessibilityStateChanged() { |
| // Clear the cache of objects. |
| ConversationItemViewModel.onAccessibilityUpdated(); |
| // Re-render the list if it exists. |
| ConversationListFragment frag = getConversationListFragment(); |
| if (frag != null) { |
| AnimatedAdapter adapter = frag.getAnimatedAdapter(); |
| if (adapter != null) { |
| adapter.notifyDataSetInvalidated(); |
| } |
| } |
| } |
| } |