| /******************************************************************************* |
| * 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.LoaderManager; |
| import android.content.ContentResolver; |
| 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.net.Uri; |
| import android.os.AsyncTask; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.text.TextUtils; |
| 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 com.android.mail.ConversationListContext; |
| import com.android.mail.R; |
| import com.android.mail.compose.ComposeActivity; |
| import com.android.mail.providers.Account; |
| import com.android.mail.providers.AccountCacheProvider; |
| import com.android.mail.providers.Conversation; |
| import com.android.mail.providers.Folder; |
| import com.android.mail.providers.Settings; |
| import com.android.mail.providers.UIProvider; |
| 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.utils.LogUtils; |
| import com.android.mail.utils.Utils; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Sets; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| |
| /** |
| * 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. |
| private static final String SAVED_LIST_CONTEXT = "saved-list-context"; |
| private static final String SAVED_ACCOUNT = "saved-account"; |
| |
| /** Are we on a tablet device or not. */ |
| public final boolean IS_TABLET_DEVICE; |
| |
| protected Account mAccount; |
| protected Folder mFolder; |
| protected ActionBarView mActionBarView; |
| protected final RestrictedActivity mActivity; |
| protected final Context mContext; |
| protected final RecentFolderList mRecentFolderList; |
| protected ConversationListContext mConvListContext; |
| private FetchAccountFolderTask mFetchAccountFolderTask; |
| protected Conversation mCurrentConversation; |
| |
| /** A {@link android.content.BroadcastReceiver} that suppresses new e-mail notifications. */ |
| private SuppressNotificationReceiver mNewEmailReceiver = null; |
| |
| protected Handler mHandler = new Handler(); |
| protected ConversationListFragment mConversationListFragment; |
| /** |
| * 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 FolderListFragment mFolderListFragment; |
| protected ConversationViewFragment mConversationViewFragment; |
| protected boolean isLoaderInitialized = false; |
| private AsyncRefreshTask mAsyncRefreshTask; |
| |
| private final Set<Uri> mCurrentAccountUris = Sets.newHashSet(); |
| protected Settings mCachedSettings; |
| private FetchSearchFolderTask mFetchSearchFolderTask; |
| private FetchInboxTask mFetchInboxTask; |
| |
| protected static final String LOG_TAG = new LogUtils().getLogTag(); |
| /** Constants used to differentiate between the types of loaders. */ |
| private static final int LOADER_ACCOUNT_CURSOR = 0; |
| private static final int LOADER_ACCOUNT_SETTINGS = 1; |
| private static final int LOADER_FOLDER_CURSOR = 2; |
| private static final int LOADER_RECENT_FOLDERS = 3; |
| |
| public AbstractActivityController(MailActivity activity, ViewMode viewMode) { |
| mActivity = activity; |
| mViewMode = viewMode; |
| mContext = activity.getApplicationContext(); |
| IS_TABLET_DEVICE = Utils.useTabletUI(mContext); |
| mRecentFolderList = new RecentFolderList(mContext, this); |
| } |
| |
| @Override |
| public synchronized void attachConversationList(ConversationListFragment fragment) { |
| // If there is an existing fragment, unregister it |
| if (mConversationListFragment != null) { |
| mViewMode.removeListener(mConversationListFragment); |
| } |
| mConversationListFragment = fragment; |
| // If the current fragment is non-null, add it as a listener. |
| if (fragment != null) { |
| mViewMode.addListener(mConversationListFragment); |
| } |
| } |
| |
| @Override |
| public synchronized void attachFolderList(FolderListFragment fragment) { |
| // If there is an existing fragment, unregister it |
| if (mFolderListFragment != null) { |
| mViewMode.removeListener(mFolderListFragment); |
| } |
| mFolderListFragment = fragment; |
| if (fragment != null) { |
| mViewMode.addListener(mFolderListFragment); |
| } |
| } |
| |
| @Override |
| public void attachConversationView(ConversationViewFragment conversationViewFragment) { |
| mConversationViewFragment = conversationViewFragment; |
| } |
| |
| @Override |
| public void clearSubject() { |
| // TODO(viki): Auto-generated method stub |
| } |
| |
| @Override |
| public Account getCurrentAccount() { |
| return mAccount; |
| } |
| |
| @Override |
| public ConversationListContext getCurrentListContext() { |
| return mConvListContext; |
| } |
| |
| @Override |
| public String getHelpContext() { |
| return "Mail"; |
| } |
| |
| @Override |
| public int getMode() { |
| return mViewMode.getMode(); |
| } |
| |
| @Override |
| public String getUnshownSubject(String subject) { |
| // Calculate how much of the subject is shown, and return the remaining. |
| return null; |
| } |
| |
| @Override |
| public void handleConversationLoadError() { |
| // TODO(viki): Auto-generated method stub |
| } |
| |
| /** |
| * Initialize the action bar. This is not visible to OnePaneController and |
| * TwoPaneController so they cannot override this behavior. |
| */ |
| private void initCustomActionBarView() { |
| ActionBar actionBar = mActivity.getActionBar(); |
| mActionBarView = (ActionBarView) LayoutInflater.from(mContext).inflate( |
| R.layout.actionbar_view, null); |
| if (actionBar != null && mActionBarView != null) { |
| // Why have a different variable for the same thing? We should apply |
| // the same actions |
| // on mActionBarView instead. |
| mActionBarView.initialize(mActivity, this, mViewMode, actionBar, mRecentFolderList); |
| actionBar.setCustomView(mActionBarView, new ActionBar.LayoutParams( |
| LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT)); |
| actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM, |
| ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_SHOW_TITLE); |
| } |
| } |
| |
| /** |
| * 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. |
| * |
| * @return |
| */ |
| protected abstract boolean isConversationListVisible(); |
| |
| @Override |
| public void onAccountChanged(Account account) { |
| if (!account.equals(mAccount)) { |
| mAccount = account; |
| mRecentFolderList.setCurrentAccount(account); |
| restartOptionalLoader(LOADER_RECENT_FOLDERS, null /* args */); |
| restartOptionalLoader(LOADER_ACCOUNT_SETTINGS, null /* args */); |
| mActionBarView.setAccount(mAccount); |
| mActivity.invalidateOptionsMenu(); |
| |
| disableNotificationsOnAccountChange(mAccount); |
| |
| // Account changed; existing folder is invalid. |
| mFolder = null; |
| fetchAccountFolderInfo(); |
| } |
| } |
| |
| public void onSettingsChanged(Settings settings) { |
| mCachedSettings = settings; |
| resetActionBarIcon(); |
| } |
| |
| @Override |
| public Settings getSettings() { |
| return mCachedSettings; |
| } |
| |
| private void fetchAccountFolderInfo() { |
| if (mFetchAccountFolderTask != null) { |
| mFetchAccountFolderTask.cancel(true); |
| } |
| mFetchAccountFolderTask = new FetchAccountFolderTask(); |
| mFetchAccountFolderTask.execute(); |
| } |
| |
| private void fetchSearchFolder(Intent intent) { |
| if (mFetchSearchFolderTask != null) { |
| mFetchSearchFolderTask.cancel(true); |
| } |
| mFetchSearchFolderTask = new FetchSearchFolderTask(intent |
| .getStringExtra(ConversationListContext.EXTRA_SEARCH_QUERY)); |
| mFetchSearchFolderTask.execute(); |
| } |
| |
| @Override |
| public void onFolderChanged(Folder folder) { |
| if (folder != null && !folder.equals(mFolder)) { |
| setFolder(folder); |
| mConvListContext = ConversationListContext.forFolder(mContext, mAccount, mFolder); |
| showConversationList(mConvListContext); |
| |
| // 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(); |
| } |
| } |
| |
| private void updateRecentFolderList() { |
| mRecentFolderList.setCurrentAccount(mAccount); |
| mRecentFolderList.touchFolder(mFolder); |
| } |
| |
| // TODO(mindyp): set this up to store a copy of the folder locally |
| // as soon as we realize we haven't gotten the inbox folder yet. |
| public void loadInbox() { |
| if (mFetchInboxTask != null) { |
| mFetchInboxTask.cancel(true); |
| } |
| mFetchInboxTask = new FetchInboxTask(); |
| mFetchInboxTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR); |
| } |
| |
| /** Set the current folder */ |
| private void setFolder(Folder folder) { |
| // Start watching folder for sync status. |
| if (folder != null && !folder.equals(mFolder)) { |
| mActionBarView.setRefreshInProgress(false); |
| mFolder = folder; |
| mActionBarView.setFolder(mFolder); |
| mActivity.getLoaderManager().restartLoader(LOADER_FOLDER_CURSOR, null, this); |
| } else if (folder == null) { |
| LogUtils.wtf(LOG_TAG, "Folder in setFolder is null"); |
| } |
| } |
| |
| @Override |
| public void onActivityResult(int requestCode, int resultCode, Intent data) { |
| // TODO(viki): Auto-generated method stub |
| } |
| |
| @Override |
| public void onConversationListVisibilityChanged(boolean visible) { |
| // TODO(viki): Auto-generated method stub |
| } |
| |
| /** |
| * By default, doing nothing is right. A two-pane controller will need to |
| * override this. |
| */ |
| @Override |
| public void onConversationVisibilityChanged(boolean visible) { |
| // Do nothing. |
| return; |
| } |
| |
| @Override |
| public boolean onCreate(Bundle savedState) { |
| // Initialize the action bar view. |
| initCustomActionBarView(); |
| // Allow shortcut keys to function for the ActionBar and menus. |
| mActivity.setDefaultKeyMode(Activity.DEFAULT_KEYS_SHORTCUT); |
| mResolver = mActivity.getContentResolver(); |
| |
| mNewEmailReceiver = new SuppressNotificationReceiver(); |
| |
| // 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); |
| assert (mActionBarView != null); |
| mViewMode.addListener(mActionBarView); |
| |
| restoreState(savedState); |
| return true; |
| } |
| |
| @Override |
| public Dialog onCreateDialog(int id, Bundle bundle) { |
| // TODO(viki): Auto-generated method stub |
| return null; |
| } |
| |
| @Override |
| public boolean onCreateOptionsMenu(Menu menu) { |
| MenuInflater inflater = mActivity.getMenuInflater(); |
| inflater.inflate(mActionBarView.getOptionsMenuId(), menu); |
| mActionBarView.onCreateOptionsMenu(menu); |
| return true; |
| } |
| |
| @Override |
| public boolean onKeyDown(int keyCode, KeyEvent event) { |
| // TODO(viki): Auto-generated method stub |
| return false; |
| } |
| |
| @Override |
| public boolean onOptionsItemSelected(MenuItem item) { |
| final int id = item.getItemId(); |
| boolean handled = true; |
| switch (id) { |
| 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.help_info_menu_item: |
| // TODO: enable context sensitive help |
| Utils.showHelp(mActivity.getActivityContext(), mAccount.helpIntentUri, null); |
| break; |
| case R.id.feedback_menu_item: |
| Utils.sendFeedback(mActivity.getActivityContext(), mAccount); |
| break; |
| default: |
| handled = false; |
| break; |
| } |
| return handled; |
| } |
| |
| /** |
| * Return the auto advance setting for the current account. |
| * @param activity |
| * @return the autoadvance setting, a constant from {@link AutoAdvance} |
| */ |
| static int getAutoAdvanceSetting(RestrictedActivity activity) { |
| final Settings settings = activity.getSettings(); |
| // TODO(mindyp): if this isn't set, then show the dialog telling the user to set it. |
| // Remove defaulting to AutoAdvance.LIST. |
| final int autoAdvance = (settings != null) ? |
| (settings.autoAdvance == AutoAdvance.UNSET ? |
| AutoAdvance.LIST : settings.autoAdvance) |
| : AutoAdvance.LIST; |
| return autoAdvance; |
| } |
| |
| /** |
| * Implements folder changes. This class is a listener because folder changes need to be |
| * performed <b>after</b> the ConversationListFragment has finished animating away the |
| * removal of the conversation. |
| * |
| */ |
| protected abstract class FolderChangeListener implements ActionCompleteListener { |
| protected final String mFolderChangeList; |
| protected final boolean mDestructiveChange; |
| |
| public FolderChangeListener(String changeList, boolean destructive) { |
| mFolderChangeList = changeList; |
| mDestructiveChange = destructive; |
| } |
| |
| public abstract void onActionComplete(); |
| } |
| |
| /** |
| * Update the specified column name in conversation for a boolean value. |
| * @param columnName |
| * @param value |
| */ |
| protected void updateCurrentConversation(String columnName, boolean value) { |
| Conversation.updateBoolean(mContext, ImmutableList.of(mCurrentConversation), columnName, |
| value); |
| mConversationListFragment.requestListRefresh(); |
| } |
| |
| /** |
| * Update the specified column name in conversation for an integer value. |
| * @param columnName |
| * @param value |
| */ |
| protected void updateCurrentConversation(String columnName, int value) { |
| Conversation.updateInt(mContext, ImmutableList.of(mCurrentConversation), columnName, value); |
| mConversationListFragment.requestListRefresh(); |
| } |
| |
| private void requestFolderRefresh() { |
| if (mFolder != null) { |
| if (mAsyncRefreshTask != null) { |
| mAsyncRefreshTask.cancel(true); |
| } |
| mAsyncRefreshTask = new AsyncRefreshTask(mContext, mFolder); |
| mAsyncRefreshTask.execute(); |
| } |
| } |
| |
| /** |
| * Confirm (based on user's settings) and delete a conversation from the conversation list and |
| * from the database. |
| * @param showDialog |
| * @param confirmResource |
| * @param listener |
| */ |
| protected void confirmAndDelete(boolean showDialog, int confirmResource, |
| final ActionCompleteListener listener) { |
| final ArrayList<Conversation> single = new ArrayList<Conversation>(); |
| single.add(mCurrentConversation); |
| if (showDialog) { |
| final AlertDialog.OnClickListener onClick = new AlertDialog.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| requestDelete(listener); |
| } |
| }; |
| final CharSequence message = Utils.formatPlural(mContext, confirmResource, 1); |
| new AlertDialog.Builder(mActivity.getActivityContext()).setMessage(message) |
| .setPositiveButton(R.string.ok, onClick) |
| .setNegativeButton(R.string.cancel, null) |
| .create().show(); |
| } else { |
| requestDelete(listener); |
| } |
| } |
| |
| |
| protected abstract void requestDelete(ActionCompleteListener listener); |
| |
| |
| @Override |
| public void onPrepareDialog(int id, Dialog dialog, Bundle bundle) { |
| // TODO(viki): Auto-generated method stub |
| |
| } |
| |
| @Override |
| public boolean onPrepareOptionsMenu(Menu menu) { |
| mActionBarView.onPrepareOptionsMenu(menu); |
| return true; |
| } |
| |
| @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(); |
| |
| if (mActionBarView != null) { |
| mActionBarView.onResume(); |
| } |
| |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle outState) { |
| if (mAccount != null) { |
| LogUtils.d(LOG_TAG, "Saving the account now"); |
| outState.putParcelable(SAVED_ACCOUNT, mAccount); |
| } |
| if (mConvListContext != null) { |
| outState.putBundle(SAVED_LIST_CONTEXT, mConvListContext.toBundle()); |
| } |
| } |
| |
| @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()); |
| mActivity.startActivity(intent); |
| } |
| |
| @Override |
| public void onStartDragMode() { |
| // TODO(viki): Auto-generated method stub |
| } |
| |
| @Override |
| public void onStop() { |
| // TODO(viki): Auto-generated method stub |
| } |
| |
| @Override |
| public void onStopDragMode() { |
| // TODO(viki): Auto-generated method stub |
| } |
| |
| /** |
| * {@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) { |
| // Perform any mode specific work here. |
| // reset the action bar icon based on the mode. Why don't the individual |
| // controllers do |
| // this themselves? |
| |
| // In conversation list mode, clean up the conversation. |
| if (newMode == ViewMode.CONVERSATION_LIST) { |
| // Clean up the conversation here. |
| } |
| |
| // We don't want to invalidate the options menu when switching to |
| // conversation |
| // mode, as it will happen when the conversation finishes loading. |
| if (newMode != ViewMode.CONVERSATION) { |
| mActivity.invalidateOptionsMenu(); |
| } |
| } |
| |
| @Override |
| public void onWindowFocusChanged(boolean hasFocus) { |
| // TODO(viki): Auto-generated method stub |
| } |
| |
| /** |
| * @param savedState |
| */ |
| protected void restoreListContext(Bundle savedState) { |
| Bundle listContextBundle = savedState.getBundle(SAVED_LIST_CONTEXT); |
| if (listContextBundle != null) { |
| mConvListContext = ConversationListContext.forBundle(listContextBundle); |
| mFolder = mConvListContext.folder; |
| } |
| } |
| |
| /** |
| * Restore the state from the previous bundle. Subclasses should call this |
| * method from the parent class, since it performs important UI |
| * initialization. |
| * |
| * @param savedState |
| */ |
| protected void restoreState(Bundle savedState) { |
| final Intent intent = mActivity.getIntent(); |
| if (savedState != null) { |
| restoreListContext(savedState); |
| mAccount = savedState.getParcelable(SAVED_ACCOUNT); |
| mActionBarView.setAccount(mAccount); |
| restartOptionalLoader(LOADER_ACCOUNT_SETTINGS, null /* args */); |
| } else if (intent != null) { |
| if (Intent.ACTION_VIEW.equals(intent.getAction())) { |
| if (intent.hasExtra(Utils.EXTRA_ACCOUNT)) { |
| mAccount = ((Account) intent.getParcelableExtra(Utils.EXTRA_ACCOUNT)); |
| mActionBarView.setAccount(mAccount); |
| restartOptionalLoader(LOADER_ACCOUNT_SETTINGS, null /* args */); |
| mActivity.invalidateOptionsMenu(); |
| } |
| if (intent.hasExtra(Utils.EXTRA_FOLDER)) { |
| // Open the folder. |
| LogUtils.d(LOG_TAG, "SHOW THE FOLDER at %s", |
| intent.getParcelableExtra(Utils.EXTRA_FOLDER)); |
| onFolderChanged((Folder) intent.getParcelableExtra(Utils.EXTRA_FOLDER)); |
| } |
| if (intent.hasExtra(Utils.EXTRA_CONVERSATION)) { |
| // Open the conversation. |
| LogUtils.d(LOG_TAG, "SHOW THE CONVERSATION at %s", |
| intent.getParcelableExtra(Utils.EXTRA_CONVERSATION)); |
| setCurrentConversation((Conversation) intent |
| .getParcelableExtra(Utils.EXTRA_CONVERSATION)); |
| showConversation(this.mCurrentConversation); |
| } |
| } else if (Intent.ACTION_SEARCH.equals(intent.getAction())) { |
| mViewMode.enterSearchResultsListMode(); |
| mAccount = ((Account) intent.getParcelableExtra(Utils.EXTRA_ACCOUNT)); |
| mActionBarView.setAccount(mAccount); |
| fetchSearchFolder(intent); |
| } |
| } |
| // Create the accounts loader; this loads the account switch spinner. |
| mActivity.getLoaderManager().initLoader(LOADER_ACCOUNT_CURSOR, null, this); |
| } |
| |
| @Override |
| public void setSubject(String subject) { |
| // Do something useful with the subject. This requires changing the |
| // conversation view's subject text. |
| } |
| |
| /** |
| * Children can override this method, but they must call super.showConversation(). |
| * {@inheritDoc} |
| */ |
| @Override |
| public void showConversation(Conversation conversation) { |
| } |
| |
| @Override |
| public void onConversationSelected(Conversation conversation) { |
| setCurrentConversation(conversation); |
| showConversation(mCurrentConversation); |
| if (mConvListContext != null && mConvListContext.isSearchResult()) { |
| mViewMode.enterSearchResultsConversationMode(); |
| } else { |
| mViewMode.enterConversationMode(); |
| } |
| } |
| |
| public void setCurrentConversation(Conversation conversation) { |
| mCurrentConversation = conversation; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public Loader<Cursor> onCreateLoader(int id, Bundle args) { |
| // Create a loader to listen in on account changes. |
| switch (id) { |
| case LOADER_ACCOUNT_CURSOR: |
| return new CursorLoader(mContext, AccountCacheProvider.getAccountsUri(), |
| UIProvider.ACCOUNTS_PROJECTION, null, null, null); |
| case LOADER_FOLDER_CURSOR: |
| return new CursorLoader(mContext, mFolder.uri, |
| UIProvider.FOLDERS_PROJECTION, null, null, null); |
| case LOADER_ACCOUNT_SETTINGS: |
| if (mAccount.settingsQueryUri != null) { |
| return new CursorLoader(mContext, mAccount.settingsQueryUri, |
| UIProvider.SETTINGS_PROJECTION, null, null, null); |
| } |
| break; |
| case LOADER_RECENT_FOLDERS: |
| if (mAccount.recentFolderListUri != null) { |
| return new CursorLoader(mContext, mAccount.recentFolderListUri, |
| UIProvider.FOLDERS_PROJECTION, null, null, null); |
| } |
| break; |
| default: |
| LogUtils.wtf(LOG_TAG, "Loader returned unexpected id: " + id); |
| } |
| return null; |
| } |
| |
| /** |
| * {@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 |
| * @param args arguments to pass to the restarted loader |
| */ |
| private void restartOptionalLoader(int id, Bundle args) { |
| final LoaderManager lm = mActivity.getLoaderManager(); |
| lm.destroyLoader(id); |
| lm.restartLoader(id, args, this); |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| /** |
| * Update the accounts on the device. This currently loads the first account |
| * in the list. |
| * |
| * @param loader |
| * @param accounts cursor into the AccountCache |
| * @return true if the update was successful, false otherwise |
| */ |
| private boolean updateAccounts(Loader<Cursor> loader, Cursor accounts) { |
| if (accounts == null || !accounts.moveToFirst()) { |
| return false; |
| } |
| |
| final Account[] allAccounts = Account.getAllAccounts(accounts); |
| |
| // Save the uris for the accounts |
| mCurrentAccountUris.clear(); |
| for (Account account : allAccounts) { |
| mCurrentAccountUris.add(account.uri); |
| } |
| |
| final Account newAccount; |
| if (mAccount == null || !mCurrentAccountUris.contains(mAccount.uri)) { |
| accounts.moveToFirst(); |
| newAccount = new Account(accounts); |
| } else { |
| newAccount = mAccount; |
| } |
| // Only bother updating the account/folder if the new account is different than the |
| // existing one |
| final boolean refetchFolderInfo = !newAccount.equals(mAccount); |
| onAccountChanged(newAccount); |
| |
| if(refetchFolderInfo) { |
| fetchAccountFolderInfo(); |
| } |
| |
| 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: |
| final boolean accountListUpdated = accountsUpdated(data); |
| if (!isLoaderInitialized || accountListUpdated) { |
| isLoaderInitialized = updateAccounts(loader, data); |
| } |
| break; |
| case LOADER_FOLDER_CURSOR: |
| // Check status of the cursor. |
| data.moveToFirst(); |
| Folder folder = new Folder(data); |
| if (folder.isSyncInProgress()) { |
| mActionBarView.onRefreshStarted(); |
| } else { |
| // Stop the spinner here. |
| mActionBarView.onRefreshStopped(folder.lastSyncResult); |
| } |
| if (mConversationListFragment != null) { |
| mConversationListFragment.onFolderUpdated(folder); |
| } |
| LogUtils.v(LOG_TAG, "FOLDER STATUS = " + folder.syncStatus); |
| break; |
| case LOADER_ACCOUNT_SETTINGS: |
| data.moveToFirst(); |
| onSettingsChanged(new Settings(data)); |
| break; |
| case LOADER_RECENT_FOLDERS: |
| mRecentFolderList.loadFromUiProvider(data); |
| break; |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void onLoaderReset(Loader<Cursor> loader) { |
| switch (loader.getId()) { |
| case LOADER_ACCOUNT_SETTINGS: |
| onSettingsChanged(null); |
| break; |
| } |
| } |
| |
| @Override |
| public void onTouchEvent(MotionEvent event) { |
| if (event.getAction() == MotionEvent.ACTION_DOWN) { |
| int mode = mViewMode.getMode(); |
| if (mode == ViewMode.CONVERSATION_LIST) { |
| mConversationListFragment.onTouchEvent(event); |
| } else if (mode == ViewMode.CONVERSATION) { |
| mConversationViewFragment.onTouchEvent(event); |
| } |
| } |
| } |
| |
| private class FetchInboxTask extends AsyncTask<Void, Void, ConversationListContext> { |
| @Override |
| public ConversationListContext doInBackground(Void... params) { |
| // Gets the default inbox since there is no context. |
| return ConversationListContext.forFolder(mActivity.getActivityContext(), mAccount, |
| (Folder) null); |
| } |
| |
| @Override |
| public void onPostExecute(ConversationListContext result) { |
| mConvListContext = result; |
| setFolder(mConvListContext.folder); |
| if (mFolderListFragment != null) { |
| mFolderListFragment.selectFolder(mConvListContext.folder); |
| } |
| showConversationList(mConvListContext); |
| |
| // Add the folder that we were viewing to the recent folders list. |
| updateRecentFolderList(); |
| } |
| } |
| |
| private class FetchAccountFolderTask extends AsyncTask<Void, Void, ConversationListContext> { |
| @Override |
| public ConversationListContext doInBackground(Void... params) { |
| return ConversationListContext.forFolder(mContext, mAccount, mFolder); |
| } |
| |
| @Override |
| public void onPostExecute(ConversationListContext result) { |
| mConvListContext = result; |
| setFolder(mConvListContext.folder); |
| if (mFolderListFragment != null) { |
| mFolderListFragment.selectFolder(mConvListContext.folder); |
| } |
| showConversationList(mConvListContext); |
| mFetchAccountFolderTask = null; |
| |
| // Add the folder that we were viewing to the recent folders list. |
| updateRecentFolderList(); |
| } |
| } |
| |
| private class FetchSearchFolderTask extends AsyncTask<Void, Void, Folder> { |
| String mQuery; |
| public FetchSearchFolderTask(String query) { |
| mQuery = query; |
| } |
| |
| @Override |
| public Folder doInBackground(Void... params) { |
| Folder searchFolder = Folder.forSearchResults(mAccount, mQuery, |
| mActivity.getActivityContext()); |
| return searchFolder; |
| } |
| |
| @Override |
| public void onPostExecute(Folder folder) { |
| setFolder(folder); |
| mConvListContext = ConversationListContext.forSearchQuery(mAccount, mFolder, mQuery); |
| showConversationList(mConvListContext); |
| mActivity.invalidateOptionsMenu(); |
| } |
| } |
| |
| protected abstract class DestructiveActionListener implements ActionCompleteListener { |
| protected final int mAction; |
| |
| /** |
| * 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 |
| */ |
| public DestructiveActionListener(int action) { |
| mAction = action; |
| } |
| |
| public void performConversationAction(Collection<Conversation> single) { |
| switch (mAction) { |
| case R.id.y_button: |
| LogUtils.d(LOG_TAG, "Archiving conversation " + mCurrentConversation); |
| Conversation.archive(mContext, single); |
| break; |
| case R.id.delete: |
| LogUtils.d(LOG_TAG, "Deleting conversation " + mCurrentConversation); |
| Conversation.delete(mContext, single); |
| break; |
| case R.id.mute: |
| LogUtils.d(LOG_TAG, "Muting conversation " + mCurrentConversation); |
| if (mFolder.supportsCapability(FolderCapabilities.DESTRUCTIVE_MUTE)) |
| mCurrentConversation.localDeleteOnUpdate = true; |
| Conversation.mute(mContext, single); |
| break; |
| case R.id.report_spam: |
| LogUtils.d(LOG_TAG, "reporting spam conversation " + mCurrentConversation); |
| Conversation.reportSpam(mContext, single); |
| break; |
| } |
| } |
| |
| public Conversation getNextConversation() { |
| Conversation next = null; |
| int pref = getAutoAdvanceSetting(mActivity); |
| Cursor c = mConversationListFragment.getConversationListCursor(); |
| if (c != null) { |
| c.moveToPosition(mCurrentConversation.position); |
| } |
| switch (pref) { |
| case AutoAdvance.NEWER: |
| if (c.moveToPrevious()) { |
| next = new Conversation(c); |
| } |
| break; |
| case AutoAdvance.OLDER: |
| if (c.moveToNext()) { |
| next = new Conversation(c); |
| } |
| break; |
| } |
| return next; |
| } |
| |
| @Override |
| public abstract void onActionComplete(); |
| } |
| |
| // Called from the FolderSelectionDialog after a user is done changing |
| // folders. |
| @Override |
| public void onCommit(String uris) { |
| // Get currently active folder info and compare it to the list |
| // these conversations have been given; if they no longer contain |
| // the selected folder, delete them from the list. |
| HashSet<String> folderUris = new HashSet<String>(); |
| if (!TextUtils.isEmpty(uris)) { |
| folderUris.addAll(Arrays.asList(uris.split(","))); |
| } |
| final boolean destructiveChange = !folderUris.contains(mFolder.uri); |
| DestructiveActionListener listener = getFolderDestructiveActionListener(); |
| if (destructiveChange) { |
| mCurrentConversation.localDeleteOnUpdate = true; |
| mConversationListFragment.requestDelete(listener); |
| } else { |
| final ArrayList<Conversation> single = new ArrayList<Conversation>(); |
| single.add(mCurrentConversation); |
| listener.performConversationAction(single); |
| if (mConversationListFragment != null) { |
| mConversationListFragment.requestListRefresh(); |
| } |
| } |
| } |
| |
| protected abstract DestructiveActionListener getFolderDestructiveActionListener(); |
| } |