| /* |
| * 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.Activity; |
| import android.app.Fragment; |
| import android.app.LoaderManager; |
| import android.content.ActivityNotFoundException; |
| import android.content.Context; |
| import android.content.CursorLoader; |
| import android.content.Intent; |
| import android.content.Loader; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.provider.Browser; |
| import android.view.LayoutInflater; |
| import android.view.Menu; |
| import android.view.MenuInflater; |
| import android.view.MenuItem; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.webkit.ConsoleMessage; |
| import android.webkit.WebChromeClient; |
| import android.webkit.WebSettings; |
| import android.webkit.WebView; |
| import android.webkit.WebViewClient; |
| |
| import com.android.mail.R; |
| import com.android.mail.browse.ConversationContainer; |
| import com.android.mail.browse.ConversationOverlayItem; |
| import com.android.mail.browse.ConversationViewAdapter; |
| import com.android.mail.browse.ConversationViewAdapter.MessageFooterItem; |
| import com.android.mail.browse.ConversationViewAdapter.MessageHeaderItem; |
| import com.android.mail.browse.ConversationViewAdapter.SuperCollapsedBlockItem; |
| import com.android.mail.browse.ConversationViewHeader; |
| import com.android.mail.browse.ConversationWebView; |
| import com.android.mail.browse.MessageCursor; |
| import com.android.mail.browse.MessageFooterView; |
| import com.android.mail.browse.MessageHeaderView.MessageHeaderViewCallbacks; |
| import com.android.mail.browse.SuperCollapsedBlock; |
| import com.android.mail.providers.Account; |
| import com.android.mail.providers.Address; |
| import com.android.mail.providers.Conversation; |
| import com.android.mail.providers.Folder; |
| import com.android.mail.providers.ListParams; |
| import com.android.mail.providers.Message; |
| import com.android.mail.providers.Settings; |
| import com.android.mail.providers.UIProvider; |
| import com.android.mail.providers.UIProvider.AccountCapabilities; |
| import com.android.mail.providers.UIProvider.FolderCapabilities; |
| import com.android.mail.utils.LogUtils; |
| import com.android.mail.utils.Utils; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| |
| /** |
| * The conversation view UI component. |
| */ |
| public final class ConversationViewFragment extends Fragment implements |
| LoaderManager.LoaderCallbacks<Cursor>, |
| ConversationViewHeader.ConversationViewHeaderCallbacks, |
| MessageHeaderViewCallbacks, |
| SuperCollapsedBlock.OnClickListener { |
| |
| private static final String LOG_TAG = new LogUtils().getLogTag(); |
| public static final String LAYOUT_TAG = "ConvLayout"; |
| |
| private static final int MESSAGE_LOADER_ID = 0; |
| |
| private ControllableActivity mActivity; |
| |
| private Context mContext; |
| |
| private Conversation mConversation; |
| |
| private ConversationContainer mConversationContainer; |
| |
| private Account mAccount; |
| |
| private ConversationWebView mWebView; |
| |
| private HtmlConversationTemplates mTemplates; |
| |
| private String mBaseUri; |
| |
| private final Handler mHandler = new Handler(); |
| |
| private final MailJsBridge mJsBridge = new MailJsBridge(); |
| |
| private final WebViewClient mWebViewClient = new ConversationWebViewClient(); |
| |
| private ConversationViewAdapter mAdapter; |
| private MessageCursor mCursor; |
| |
| private boolean mViewsCreated; |
| |
| private MenuItem mChangeFoldersMenuItem; |
| |
| private float mDensity; |
| |
| /** |
| * Folder is used to help determine valid menu actions for this conversation. |
| */ |
| private Folder mFolder; |
| |
| private final Map<String, Address> mAddressCache = Maps.newHashMap(); |
| |
| /** |
| * Temporary string containing the message bodies of the messages within a super-collapsed |
| * block, for one-time use during block expansion. We cannot easily pass the body HTML |
| * into JS without problematic escaping, so hold onto it momentarily and signal JS to fetch it |
| * using {@link MailJsBridge}. |
| */ |
| private String mTempBodiesHtml; |
| |
| private boolean mUserVisible; |
| |
| private int mMaxAutoLoadMessages; |
| |
| private boolean mDeferredConversationLoad; |
| |
| private static final String ARG_ACCOUNT = "account"; |
| public static final String ARG_CONVERSATION = "conversation"; |
| private static final String ARG_FOLDER = "folder"; |
| |
| private static final boolean DEBUG_DUMP_CONVERSATION_HTML = false; |
| |
| /** |
| * Constructor needs to be public to handle orientation changes and activity lifecycle events. |
| */ |
| public ConversationViewFragment() { |
| super(); |
| } |
| |
| /** |
| * Creates a new instance of {@link ConversationViewFragment}, initialized |
| * to display a conversation with other parameters inherited/copied from an existing bundle, |
| * typically one created using {@link #makeBasicArgs}. |
| */ |
| public static ConversationViewFragment newInstance(Bundle existingArgs, |
| Conversation conversation) { |
| ConversationViewFragment f = new ConversationViewFragment(); |
| Bundle args = new Bundle(existingArgs); |
| args.putParcelable(ARG_CONVERSATION, conversation); |
| f.setArguments(args); |
| return f; |
| } |
| |
| public static Bundle makeBasicArgs(Account account, Folder folder) { |
| Bundle args = new Bundle(); |
| args.putParcelable(ARG_ACCOUNT, account); |
| args.putParcelable(ARG_FOLDER, folder); |
| return args; |
| } |
| |
| @Override |
| public void onActivityCreated(Bundle savedInstanceState) { |
| LogUtils.d(LOG_TAG, "IN CVF.onActivityCreated, this=%s subj=%s", this, |
| mConversation.subject); |
| super.onActivityCreated(savedInstanceState); |
| // Strictly speaking, we get back an android.app.Activity from getActivity. However, the |
| // only activity creating a ConversationListContext is a MailActivity which is of type |
| // ControllableActivity, so this cast should be safe. If this cast fails, some other |
| // activity is creating ConversationListFragments. This activity must be of type |
| // ControllableActivity. |
| final Activity activity = getActivity(); |
| if (!(activity instanceof ControllableActivity)) { |
| LogUtils.wtf(LOG_TAG, "ConversationViewFragment expects only a ControllableActivity to" |
| + "create it. Cannot proceed."); |
| } |
| mActivity = (ControllableActivity) activity; |
| mContext = mActivity.getApplicationContext(); |
| if (mActivity.isFinishing()) { |
| // Activity is finishing, just bail. |
| return; |
| } |
| mTemplates = new HtmlConversationTemplates(mContext); |
| |
| mAdapter = new ConversationViewAdapter(mActivity.getActivityContext(), mAccount, |
| getLoaderManager(), this, this, this, mAddressCache); |
| mConversationContainer.setOverlayAdapter(mAdapter); |
| |
| mDensity = getResources().getDisplayMetrics().density; |
| |
| mMaxAutoLoadMessages = getResources().getInteger(R.integer.max_auto_load_messages); |
| |
| showConversation(); |
| } |
| |
| @Override |
| public void onCreate(Bundle savedState) { |
| LogUtils.d(LOG_TAG, "onCreate in ConversationViewFragment (this=%s)", this); |
| super.onCreate(savedState); |
| |
| Bundle args = getArguments(); |
| mAccount = args.getParcelable(ARG_ACCOUNT); |
| mConversation = args.getParcelable(ARG_CONVERSATION); |
| mFolder = args.getParcelable(ARG_FOLDER); |
| mBaseUri = "x-thread://" + mAccount.name + "/" + mConversation.id; |
| |
| // Not really, we just want to get a crack to store a reference to the change_folder item |
| setHasOptionsMenu(true); |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, |
| ViewGroup container, Bundle savedInstanceState) { |
| View rootView = inflater.inflate(R.layout.conversation_view, container, false); |
| mConversationContainer = (ConversationContainer) rootView |
| .findViewById(R.id.conversation_container); |
| mWebView = (ConversationWebView) mConversationContainer.findViewById(R.id.webview); |
| |
| mWebView.addJavascriptInterface(mJsBridge, "mail"); |
| mWebView.setWebViewClient(mWebViewClient); |
| mWebView.setWebChromeClient(new WebChromeClient() { |
| @Override |
| public boolean onConsoleMessage(ConsoleMessage consoleMessage) { |
| LogUtils.i(LOG_TAG, "JS: %s (%s:%d)", consoleMessage.message(), |
| consoleMessage.sourceId(), consoleMessage.lineNumber()); |
| return true; |
| } |
| }); |
| |
| final WebSettings settings = mWebView.getSettings(); |
| |
| settings.setJavaScriptEnabled(true); |
| settings.setUseWideViewPort(true); |
| |
| settings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NORMAL); |
| |
| settings.setSupportZoom(true); |
| settings.setBuiltInZoomControls(true); |
| settings.setDisplayZoomControls(false); |
| |
| final float fontScale = getResources().getConfiguration().fontScale; |
| final int textZoomPercent = getResources().getInteger( |
| R.integer.conversation_text_zoom_percent); |
| |
| // scale down the default size a bit on small-screen devices |
| // the goal is an effective default font size of 14dp |
| int textZoom = settings.getTextZoom() * textZoomPercent / 100; |
| // and then apply any system font scaling |
| textZoom = (int) (textZoom * fontScale); |
| settings.setTextZoom(textZoom); |
| |
| mViewsCreated = true; |
| |
| return rootView; |
| } |
| |
| @Override |
| public void onDestroyView() { |
| super.onDestroyView(); |
| mConversationContainer.setOverlayAdapter(null); |
| mAdapter = null; |
| mViewsCreated = false; |
| } |
| |
| @Override |
| public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { |
| super.onCreateOptionsMenu(menu, inflater); |
| |
| mChangeFoldersMenuItem = menu.findItem(R.id.change_folder); |
| } |
| |
| @Override |
| public void onPrepareOptionsMenu(Menu menu) { |
| super.onPrepareOptionsMenu(menu); |
| boolean showMarkImportant = !mConversation.isImportant(); |
| Utils.setMenuItemVisibility( |
| menu, |
| R.id.mark_important, |
| showMarkImportant |
| && mAccount |
| .supportsCapability(UIProvider.AccountCapabilities.MARK_IMPORTANT)); |
| Utils.setMenuItemVisibility( |
| menu, |
| R.id.mark_not_important, |
| !showMarkImportant |
| && mAccount |
| .supportsCapability(UIProvider.AccountCapabilities.MARK_IMPORTANT)); |
| // TODO(mindyp) show/ hide spam and mute based on conversation |
| // properties to be added. |
| Utils.setMenuItemVisibility(menu, R.id.archive, |
| mAccount.supportsCapability(AccountCapabilities.ARCHIVE) && mFolder != null |
| && mFolder.supportsCapability(FolderCapabilities.ARCHIVE)); |
| Utils.setMenuItemVisibility(menu, R.id.report_spam, |
| mAccount.supportsCapability(AccountCapabilities.REPORT_SPAM) && mFolder != null |
| && mFolder.supportsCapability(FolderCapabilities.REPORT_SPAM) |
| && !mConversation.spam); |
| Utils.setMenuItemVisibility( |
| menu, |
| R.id.mute, |
| mAccount.supportsCapability(AccountCapabilities.MUTE) && mFolder != null |
| && mFolder.supportsCapability(FolderCapabilities.DESTRUCTIVE_MUTE) |
| && !mConversation.muted); |
| } |
| |
| /** |
| * {@link #setUserVisibleHint(boolean)} only works on API >= 15, so implement our own for |
| * reliability on older platforms. |
| */ |
| public void setExtraUserVisibleHint(boolean isVisibleToUser) { |
| LogUtils.v(LOG_TAG, "in CVF.setHint, val=%s (%s)", isVisibleToUser, this); |
| |
| if (mUserVisible != isVisibleToUser) { |
| mUserVisible = isVisibleToUser; |
| |
| if (isVisibleToUser && mViewsCreated) { |
| |
| if (mCursor == null && mDeferredConversationLoad) { |
| // load |
| LogUtils.v(LOG_TAG, "Fragment is now user-visible, showing conversation: %s", |
| mConversation.uri); |
| showConversation(); |
| mDeferredConversationLoad = false; |
| } else { |
| onConversationSeen(); |
| } |
| |
| } |
| } |
| } |
| |
| /** |
| * Handles a request to show a new conversation list, either from a search query or for viewing |
| * a folder. This will initiate a data load, and hence must be called on the UI thread. |
| */ |
| private void showConversation() { |
| if (!mUserVisible && mConversation.numMessages > mMaxAutoLoadMessages) { |
| LogUtils.v(LOG_TAG, "Fragment not user-visible, not showing conversation: %s", |
| mConversation.uri); |
| mDeferredConversationLoad = true; |
| return; |
| } |
| LogUtils.v(LOG_TAG, |
| "Fragment is short or user-visible, immediately rendering conversation: %s", |
| mConversation.uri); |
| getLoaderManager().initLoader(MESSAGE_LOADER_ID, Bundle.EMPTY, this); |
| } |
| |
| public Conversation getConversation() { |
| return mConversation; |
| } |
| |
| @Override |
| public Loader<Cursor> onCreateLoader(int id, Bundle args) { |
| return new MessageLoader(mContext, mConversation.messageListUri, |
| mActivity.getListHandler()); |
| } |
| |
| @Override |
| public void onLoadFinished(Loader<Cursor> loader, Cursor data) { |
| MessageCursor messageCursor = (MessageCursor) data; |
| |
| // ignore truly duplicate results |
| // this can happen when restoring after rotation |
| if (mCursor == messageCursor) { |
| return; |
| } |
| |
| // TODO: handle Gmail loading states (like LOADING and ERROR) |
| if (messageCursor.getCount() == 0) { |
| if (mCursor != null) { |
| // TODO: need to exit this view- conversation may have been deleted, or for |
| // whatever reason is now invalid |
| } else { |
| // ignore zero-sized cursors during initial load |
| } |
| return; |
| } |
| |
| // TODO: if this is not user-visible, delay render until user-visible fragment is done. |
| // This is needed in addition to the showConversation() delay to speed up rotation and |
| // restoration. |
| |
| renderConversation(messageCursor); |
| } |
| |
| @Override |
| public void onLoaderReset(Loader<Cursor> loader) { |
| mCursor = null; |
| // TODO: null out all Message.mMessageCursor references |
| } |
| |
| private void renderConversation(MessageCursor messageCursor) { |
| final String convHtml = renderMessageBodies(messageCursor); |
| |
| if (DEBUG_DUMP_CONVERSATION_HTML) { |
| java.io.FileWriter fw = null; |
| try { |
| fw = new java.io.FileWriter("/sdcard/conv" + mConversation.id |
| + ".html"); |
| fw.write(convHtml); |
| } catch (java.io.IOException e) { |
| e.printStackTrace(); |
| } finally { |
| if (fw != null) { |
| try { |
| fw.close(); |
| } catch (java.io.IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| } |
| |
| mWebView.loadDataWithBaseURL(mBaseUri, convHtml, "text/html", "utf-8", null); |
| mCursor = messageCursor; |
| } |
| |
| /** |
| * Populate the adapter with overlay views (message headers, super-collapsed blocks, a |
| * conversation header), and return an HTML document with spacer divs inserted for all overlays. |
| * |
| */ |
| private String renderMessageBodies(MessageCursor messageCursor) { |
| int pos = -1; |
| |
| LogUtils.d(LOG_TAG, "IN renderMessageBodies, fragment=%s subj=%s", this, |
| mConversation.subject); |
| boolean allowNetworkImages = false; |
| |
| // TODO: re-use any existing adapter item state (expanded, details expanded, show pics) |
| final Settings settings = mActivity.getSettings(); |
| if (settings != null) { |
| mAdapter.setDefaultReplyAll(settings.replyBehavior == |
| UIProvider.DefaultReplyBehavior.REPLY_ALL); |
| } |
| // Walk through the cursor and build up an overlay adapter as you go. |
| // Each overlay has an entry in the adapter for easy scroll handling in the container. |
| // Items are not necessarily 1:1 in cursor and adapter because of super-collapsed blocks. |
| // When adding adapter items, also add their heights to help the container later determine |
| // overlay dimensions. |
| |
| mAdapter.clear(); |
| |
| // We don't need to kick off attachment loaders during this first measurement phase, |
| // so disable them temporarily. |
| MessageFooterView.enableAttachmentLoaders(false); |
| |
| // N.B. the units of height for spacers are actually dp and not px because WebView assumes |
| // a pixel is an mdpi pixel, unless you set device-dpi. |
| |
| // add a single conversation header item |
| final int convHeaderPos = mAdapter.addConversationHeader(mConversation); |
| final int convHeaderDp = measureOverlayHeight(convHeaderPos); |
| |
| mTemplates.startConversation(convHeaderDp); |
| |
| int collapsedStart = -1; |
| Message prevCollapsedMsg = null; |
| boolean prevSafeForImages = false; |
| |
| while (messageCursor.moveToPosition(++pos)) { |
| final Message msg = messageCursor.getMessage(); |
| |
| // TODO: save/restore 'show pics' state |
| final boolean safeForImages = msg.alwaysShowImages /* || savedStateSaysSafe */; |
| allowNetworkImages |= safeForImages; |
| |
| final boolean expanded = !msg.read || msg.starred || messageCursor.isLast(); |
| |
| if (!expanded) { |
| // contribute to a super-collapsed block that will be emitted just before the next |
| // expanded header |
| if (collapsedStart < 0) { |
| collapsedStart = pos; |
| } |
| prevCollapsedMsg = msg; |
| prevSafeForImages = safeForImages; |
| continue; |
| } |
| |
| // resolve any deferred decisions on previous collapsed items |
| if (collapsedStart >= 0) { |
| if (pos - collapsedStart == 1) { |
| // special-case for a single collapsed message: no need to super-collapse it |
| renderMessage(prevCollapsedMsg, false /* expanded */, |
| prevSafeForImages); |
| } else { |
| renderSuperCollapsedBlock(collapsedStart, pos - 1); |
| } |
| prevCollapsedMsg = null; |
| collapsedStart = -1; |
| } |
| |
| renderMessage(msg, expanded, safeForImages); |
| } |
| |
| // Re-enable attachment loaders |
| MessageFooterView.enableAttachmentLoaders(true); |
| |
| mWebView.getSettings().setBlockNetworkImage(!allowNetworkImages); |
| |
| return mTemplates.endConversation(mBaseUri, 320); |
| } |
| |
| private void renderSuperCollapsedBlock(int start, int end) { |
| final int blockPos = mAdapter.addSuperCollapsedBlock(start, end); |
| final int blockDp = measureOverlayHeight(blockPos); |
| mTemplates.appendSuperCollapsedHtml(start, blockDp); |
| } |
| |
| private void renderMessage(Message msg, boolean expanded, boolean safeForImages) { |
| final int headerPos = mAdapter.addMessageHeader(msg, expanded); |
| final MessageHeaderItem headerItem = (MessageHeaderItem) mAdapter.getItem(headerPos); |
| |
| final int footerPos = mAdapter.addMessageFooter(headerItem); |
| |
| // Measure item header and footer heights to allocate spacers in HTML |
| // But since the views themselves don't exist yet, render each item temporarily into |
| // a host view for measurement. |
| final int headerDp = measureOverlayHeight(headerPos); |
| final int footerDp = measureOverlayHeight(footerPos); |
| |
| mTemplates.appendMessageHtml(msg, expanded, safeForImages, 1.0f, headerDp, |
| footerDp); |
| } |
| |
| private String renderCollapsedHeaders(MessageCursor cursor, |
| SuperCollapsedBlockItem blockToReplace) { |
| final List<ConversationOverlayItem> replacements = Lists.newArrayList(); |
| |
| mTemplates.reset(); |
| |
| for (int i = blockToReplace.getStart(), end = blockToReplace.getEnd(); i <= end; i++) { |
| cursor.moveToPosition(i); |
| final Message msg = cursor.getMessage(); |
| final MessageHeaderItem header = mAdapter.newMessageHeaderItem(msg, |
| false /* expanded */); |
| final MessageFooterItem footer = mAdapter.newMessageFooterItem(header); |
| |
| final int headerDp = measureOverlayHeight(header); |
| final int footerDp = measureOverlayHeight(footer); |
| |
| mTemplates.appendMessageHtml(msg, false /* expanded */, msg.alwaysShowImages, 1.0f, |
| headerDp, footerDp); |
| replacements.add(header); |
| replacements.add(footer); |
| } |
| |
| mAdapter.replaceSuperCollapsedBlock(blockToReplace, replacements); |
| |
| return mTemplates.emit(); |
| } |
| |
| private int measureOverlayHeight(int position) { |
| return measureOverlayHeight(mAdapter.getItem(position)); |
| } |
| |
| /** |
| * Measure the height of an adapter view by rendering and adapter item into a temporary |
| * host view, and asking the view to immediately measure itself. This method will reuse |
| * a previous adapter view from {@link ConversationContainer}'s scrap views if one was generated |
| * earlier. |
| * <p> |
| * After measuring the height, this method also saves the height in the |
| * {@link ConversationOverlayItem} for later use in overlay positioning. |
| * |
| * @param convItem adapter item with data to render and measure |
| * @return height in dp of the rendered view |
| */ |
| private int measureOverlayHeight(ConversationOverlayItem convItem) { |
| final int type = convItem.getType(); |
| |
| final View convertView = mConversationContainer.getScrapView(type); |
| final View hostView = mAdapter.getView(convItem, convertView, mConversationContainer); |
| if (convertView == null) { |
| mConversationContainer.addScrapView(type, hostView); |
| } |
| |
| final int heightPx = mConversationContainer.measureOverlay(hostView); |
| convItem.setHeight(heightPx); |
| convItem.markMeasurementValid(); |
| |
| return (int) (heightPx / mDensity); |
| } |
| |
| private void onConversationSeen() { |
| // mark as read upon open |
| if (!mConversation.read) { |
| mActivity.getListHandler().sendConversationRead( |
| AbstractActivityController.TAG_CONVERSATION_LIST, mConversation, true, |
| false /*local*/); |
| mConversation.read = true; |
| } |
| |
| ControllableActivity activity = (ControllableActivity) getActivity(); |
| if (activity != null) { |
| activity.onConversationSeen(mConversation); |
| } |
| } |
| |
| // BEGIN conversation header callbacks |
| @Override |
| public void onFoldersClicked() { |
| if (mChangeFoldersMenuItem == null) { |
| LogUtils.e(LOG_TAG, "unable to open 'change folders' dialog for a conversation"); |
| return; |
| } |
| mActivity.onOptionsItemSelected(mChangeFoldersMenuItem); |
| } |
| |
| @Override |
| public void onConversationViewHeaderHeightChange(int newHeight) { |
| // TODO: propagate the new height to the header's HTML spacer. This can happen when labels |
| // are added/removed |
| } |
| |
| @Override |
| public String getSubjectRemainder(String subject) { |
| // TODO: hook this up to action bar |
| return subject; |
| } |
| // END conversation header callbacks |
| |
| // START message header callbacks |
| @Override |
| public void setMessageSpacerHeight(MessageHeaderItem item, int newSpacerHeightPx) { |
| mConversationContainer.invalidateSpacerGeometry(); |
| |
| // update message HTML spacer height |
| LogUtils.i(LAYOUT_TAG, "setting HTML spacer h=%dpx", newSpacerHeightPx); |
| final int heightDp = (int) (newSpacerHeightPx / mDensity); |
| mWebView.loadUrl(String.format("javascript:setMessageHeaderSpacerHeight('%s', %d);", |
| mTemplates.getMessageDomId(item.message), heightDp)); |
| } |
| |
| @Override |
| public void setMessageExpanded(MessageHeaderItem item, int newSpacerHeightPx) { |
| mConversationContainer.invalidateSpacerGeometry(); |
| |
| // show/hide the HTML message body and update the spacer height |
| LogUtils.i(LAYOUT_TAG, "setting HTML spacer expanded=%s h=%dpx", item.isExpanded(), |
| newSpacerHeightPx); |
| final int heightDp = (int) (newSpacerHeightPx / mDensity); |
| mWebView.loadUrl(String.format("javascript:setMessageBodyVisible('%s', %s, %d);", |
| mTemplates.getMessageDomId(item.message), item.isExpanded(), heightDp)); |
| } |
| |
| @Override |
| public void showExternalResources(Message msg) { |
| mWebView.getSettings().setBlockNetworkImage(false); |
| mWebView.loadUrl("javascript:unblockImages('" + mTemplates.getMessageDomId(msg) + "');"); |
| } |
| // END message header callbacks |
| |
| @Override |
| public void onSuperCollapsedClick(SuperCollapsedBlockItem item) { |
| if (mCursor == null || !mViewsCreated) { |
| return; |
| } |
| |
| mTempBodiesHtml = renderCollapsedHeaders(mCursor, item); |
| mWebView.loadUrl("javascript:replaceSuperCollapsedBlock(" + item.getStart() + ")"); |
| } |
| |
| private static class MessageLoader extends CursorLoader { |
| private boolean mDeliveredFirstResults = false; |
| private final ConversationListCallbacks mListController; |
| |
| public MessageLoader(Context c, Uri uri, ConversationListCallbacks listController) { |
| super(c, uri, UIProvider.MESSAGE_PROJECTION, null, null, null); |
| mListController = listController; |
| } |
| |
| @Override |
| public Cursor loadInBackground() { |
| return new MessageCursor(super.loadInBackground(), mListController); |
| } |
| |
| @Override |
| public void deliverResult(Cursor result) { |
| // We want to deliver these results, and then we want to make sure that any subsequent |
| // queries do not hit the network |
| super.deliverResult(result); |
| |
| if (!mDeliveredFirstResults) { |
| mDeliveredFirstResults = true; |
| Uri uri = getUri(); |
| |
| // Create a ListParams that tells the provider to not hit the network |
| final ListParams listParams = |
| new ListParams(ListParams.NO_LIMIT, false /* useNetwork */); |
| |
| // Build the new uri with this additional parameter |
| uri = uri.buildUpon().appendQueryParameter( |
| UIProvider.LIST_PARAMS_QUERY_PARAMETER, listParams.serialize()).build(); |
| setUri(uri); |
| } |
| } |
| } |
| |
| private static int[] parseInts(final String[] stringArray) { |
| final int len = stringArray.length; |
| final int[] ints = new int[len]; |
| for (int i = 0; i < len; i++) { |
| ints[i] = Integer.parseInt(stringArray[i]); |
| } |
| return ints; |
| } |
| |
| private class ConversationWebViewClient extends WebViewClient { |
| |
| @Override |
| public void onPageFinished(WebView view, String url) { |
| LogUtils.i(LOG_TAG, "IN CVF.onPageFinished, url=%s fragment=%s", url, |
| ConversationViewFragment.this); |
| |
| super.onPageFinished(view, url); |
| |
| // TODO: save off individual message unread state (here, or in onLoadFinished?) so |
| // 'mark unread' restores the original unread state for each individual message |
| |
| if (mUserVisible) { |
| onConversationSeen(); |
| } |
| } |
| |
| @Override |
| public boolean shouldOverrideUrlLoading(WebView view, String url) { |
| final Activity activity = getActivity(); |
| if (!mViewsCreated || activity == null) { |
| return false; |
| } |
| |
| boolean result = false; |
| final Uri uri = Uri.parse(url); |
| Intent intent = new Intent(Intent.ACTION_VIEW, uri); |
| intent.putExtra(Browser.EXTRA_APPLICATION_ID, activity.getPackageName()); |
| intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); |
| |
| // FIXME: give provider a chance to customize url intents? |
| // Utils.addGoogleUriAccountIntentExtras(mContext, uri, mAccount, intent); |
| |
| try { |
| activity.startActivity(intent); |
| result = true; |
| } catch (ActivityNotFoundException ex) { |
| // If no application can handle the URL, assume that the |
| // caller can handle it. |
| } |
| |
| return result; |
| } |
| |
| } |
| |
| /** |
| * NOTE: all public methods must be listed in the proguard flags so that they can be accessed |
| * via reflection and not stripped. |
| * |
| */ |
| private class MailJsBridge { |
| |
| @SuppressWarnings("unused") |
| public void onWebContentGeometryChange(final String[] overlayBottomStrs) { |
| try { |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| if (!mViewsCreated) { |
| LogUtils.d(LOG_TAG, "ignoring webContentGeometryChange because views" + |
| " are gone, %s", ConversationViewFragment.this); |
| return; |
| } |
| |
| mConversationContainer.onGeometryChange(parseInts(overlayBottomStrs)); |
| } |
| }); |
| } catch (Throwable t) { |
| LogUtils.e(LOG_TAG, t, "Error in MailJsBridge.onWebContentGeometryChange"); |
| } |
| } |
| |
| @SuppressWarnings("unused") |
| public String getTempMessageBodies() { |
| try { |
| if (!mViewsCreated) { |
| return ""; |
| } |
| |
| final String s = mTempBodiesHtml; |
| mTempBodiesHtml = null; |
| return s; |
| } catch (Throwable t) { |
| LogUtils.e(LOG_TAG, t, "Error in MailJsBridge.getTempMessageBodies"); |
| return ""; |
| } |
| } |
| |
| } |
| |
| } |