The Tor Browser: mobile/android/base/home/HomeFragment.java@fc2d59ddac77 (annotated)

mobile/android/base/home/HomeFragment.java@fc2d59ddac77 (annotated)

mobile/android/base/home/HomeFragment.java

Wed, 31 Dec 2014 07:22:50 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 07:22:50 +0100
branch: TOR_BUG_3246
changeset 4: fc2d59ddac77
permissions: -rw-r--r--

Correct previous dual key logic pending first delivery installment.

 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 package org.mozilla.gecko.home;
 import org.mozilla.gecko.EditBookmarkDialog;
 import org.mozilla.gecko.GeckoAppShell;
 import org.mozilla.gecko.GeckoEvent;
 import org.mozilla.gecko.GeckoProfile;
 import org.mozilla.gecko.R;
 import org.mozilla.gecko.ReaderModeUtils;
 import org.mozilla.gecko.Tabs;
 import org.mozilla.gecko.Telemetry;
 import org.mozilla.gecko.TelemetryContract;
 import org.mozilla.gecko.db.BrowserContract.Combined;
 import org.mozilla.gecko.db.BrowserDB;
 import org.mozilla.gecko.favicons.Favicons;
 import org.mozilla.gecko.util.ThreadUtils;
 import org.mozilla.gecko.util.UiAsyncTask;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.Configuration;
 import android.net.Uri;
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
 import android.util.Log;
 import android.view.ContextMenu;
 import android.view.ContextMenu.ContextMenuInfo;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.Toast;
 /**
  * HomeFragment is an empty fragment that can be added to the HomePager.
  * Subclasses can add their own views.
  */
 abstract class HomeFragment extends Fragment {
     // Log Tag.
     private static final String LOGTAG="GeckoHomeFragment";
     // Share MIME type.
     protected static final String SHARE_MIME_TYPE = "text/plain";
     // Default value for "can load" hint
     static final boolean DEFAULT_CAN_LOAD_HINT = false;
     // Whether the fragment can load its content or not
     // This is used to defer data loading until the editing
     // mode animation ends.
     private boolean mCanLoadHint;
     // Whether the fragment has loaded its content
     private boolean mIsLoaded;
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         final Bundle args = getArguments();
         if (args != null) {
             mCanLoadHint = args.getBoolean(HomePager.CAN_LOAD_ARG, DEFAULT_CAN_LOAD_HINT);
         } else {
             mCanLoadHint = DEFAULT_CAN_LOAD_HINT;
         }
         mIsLoaded = false;
     }
     @Override
     public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo menuInfo) {
         if (menuInfo == null || !(menuInfo instanceof HomeContextMenuInfo)) {
             return;
         }
         HomeContextMenuInfo info = (HomeContextMenuInfo) menuInfo;
         // Don't show the context menu for folders.
         if (info.isFolder) {
             return;
         }
         MenuInflater inflater = new MenuInflater(view.getContext());
         inflater.inflate(R.menu.home_contextmenu, menu);
         menu.setHeaderTitle(info.getDisplayTitle());
         // Hide ununsed menu items.
         menu.findItem(R.id.top_sites_edit).setVisible(false);
         menu.findItem(R.id.top_sites_pin).setVisible(false);
         menu.findItem(R.id.top_sites_unpin).setVisible(false);
         // Hide the "Edit" menuitem if this item isn't a bookmark,
         // or if this is a reading list item.
         if (!info.hasBookmarkId() || info.isInReadingList()) {
             menu.findItem(R.id.home_edit_bookmark).setVisible(false);
         }
         // Hide the "Remove" menuitem if this item not removable.
         if (!info.canRemove()) {
             menu.findItem(R.id.home_remove).setVisible(false);
         }
         menu.findItem(R.id.home_share).setVisible(!GeckoProfile.get(getActivity()).inGuestMode());
         final boolean canOpenInReader = (info.display == Combined.DISPLAY_READER);
         menu.findItem(R.id.home_open_in_reader).setVisible(canOpenInReader);
     }
     @Override
     public boolean onContextItemSelected(MenuItem item) {
         // onContextItemSelected() is first dispatched to the activity and
         // then dispatched to its fragments. Since fragments cannot "override"
         // menu item selection handling, it's better to avoid menu id collisions
         // between the activity and its fragments.
         ContextMenuInfo menuInfo = item.getMenuInfo();
         if (menuInfo == null || !(menuInfo instanceof HomeContextMenuInfo)) {
             return false;
         }
         final HomeContextMenuInfo info = (HomeContextMenuInfo) menuInfo;
         final Context context = getActivity();
         final int itemId = item.getItemId();
         // Track the menu action. We don't know much about the context, but we can use this to determine
         // the frequency of use for various actions.
         Telemetry.sendUIEvent(TelemetryContract.Event.ACTION, TelemetryContract.Method.CONTEXT_MENU, getResources().getResourceEntryName(itemId));
         if (itemId == R.id.home_share) {
             if (info.url == null) {
                 Log.e(LOGTAG, "Can't share because URL is null");
                 return false;
             } else {
                 GeckoAppShell.openUriExternal(info.url, SHARE_MIME_TYPE, "", "",
                                               Intent.ACTION_SEND, info.getDisplayTitle());
                 // Context: Sharing via chrome homepage contextmenu list (home session should be active)
                 Telemetry.sendUIEvent(TelemetryContract.Event.SHARE, TelemetryContract.Method.LIST);
                 return true;
             }
         }
         if (itemId == R.id.home_add_to_launcher) {
             if (info.url == null) {
                 Log.e(LOGTAG, "Can't add to home screen because URL is null");
                 return false;
             }
             // Fetch an icon big enough for use as a home screen icon.
             Favicons.getPreferredSizeFaviconForPage(info.url, new GeckoAppShell.CreateShortcutFaviconLoadedListener(info.url, info.getDisplayTitle()));
             return true;
         }
         if (itemId == R.id.home_open_private_tab || itemId == R.id.home_open_new_tab) {
             if (info.url == null) {
                 Log.e(LOGTAG, "Can't open in new tab because URL is null");
                 return false;
             }
             int flags = Tabs.LOADURL_NEW_TAB | Tabs.LOADURL_BACKGROUND;
             if (item.getItemId() == R.id.home_open_private_tab)
                 flags |= Tabs.LOADURL_PRIVATE;
             Telemetry.sendUIEvent(TelemetryContract.Event.LOAD_URL, TelemetryContract.Method.CONTEXT_MENU);
             final String url = (info.isInReadingList() ? ReaderModeUtils.getAboutReaderForUrl(info.url) : info.url);
             // Some pinned site items have "user-entered" urls. URLs entered in the PinSiteDialog are wrapped in
             // a special URI until we can get a valid URL. If the url is a user-entered url, decode the URL before loading it.
             Tabs.getInstance().loadUrl(decodeUserEnteredUrl(url), flags);
             Toast.makeText(context, R.string.new_tab_opened, Toast.LENGTH_SHORT).show();
             return true;
         }
         if (itemId == R.id.home_edit_bookmark) {
             // UI Dialog associates to the activity context, not the applications'.
             new EditBookmarkDialog(context).show(info.url);
             return true;
         }
         if (itemId == R.id.home_open_in_reader) {
             final String url = ReaderModeUtils.getAboutReaderForUrl(info.url);
             Tabs.getInstance().loadUrl(url, Tabs.LOADURL_NONE);
             return true;
         }
         if (itemId == R.id.home_remove) {
             // Prioritize removing a history entry over a bookmark in the case of a combined item.
             if (info.hasHistoryId()) {
                 new RemoveHistoryTask(context, info.historyId).execute();
                 return true;
             }
             if (info.hasBookmarkId()) {
                 new RemoveBookmarkTask(context, info.bookmarkId).execute();
                 return true;
             }
             if (info.isInReadingList()) {
                 (new RemoveReadingListItemTask(context, info.readingListItemId, info.url)).execute();
                 return true;
             }
         }
         return false;
     }
     @Override
     public void setUserVisibleHint (boolean isVisibleToUser) {
         if (isVisibleToUser == getUserVisibleHint()) {
             return;
         }
         super.setUserVisibleHint(isVisibleToUser);
         loadIfVisible();
     }
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
     }
     void setCanLoadHint(boolean canLoadHint) {
         if (mCanLoadHint == canLoadHint) {
             return;
         }
         mCanLoadHint = canLoadHint;
         loadIfVisible();
     }
     boolean getCanLoadHint() {
         return mCanLoadHint;
     }
     /**
      * Given a url with a user-entered scheme, extract the
      * scheme-specific component. For e.g, given "user-entered://www.google.com",
      * this method returns "//www.google.com". If the passed url
      * does not have a user-entered scheme, the same url will be returned.
      *
      * @param  url to be decoded
      * @return url component entered by user
      */
     public static String decodeUserEnteredUrl(String url) {
         Uri uri = Uri.parse(url);
         if ("user-entered".equals(uri.getScheme())) {
             return uri.getSchemeSpecificPart();
         }
         return url;
     }
     protected abstract void load();
     protected boolean canLoad() {
         return (mCanLoadHint && isVisible() && getUserVisibleHint());
     }
     protected void loadIfVisible() {
         if (!canLoad() || mIsLoaded) {
             return;
         }
         load();
         mIsLoaded = true;
     }
     private static class RemoveBookmarkTask extends UiAsyncTask<Void, Void, Void> {
         private final Context mContext;
         private final int mId;
         public RemoveBookmarkTask(Context context, int id) {
             super(ThreadUtils.getBackgroundHandler());
             mContext = context;
             mId = id;
         }
         @Override
         public Void doInBackground(Void... params) {
             ContentResolver cr = mContext.getContentResolver();
             BrowserDB.removeBookmark(cr, mId);
             return null;
         }
         @Override
         public void onPostExecute(Void result) {
             Toast.makeText(mContext, R.string.bookmark_removed, Toast.LENGTH_SHORT).show();
         }
     }
     private static class RemoveReadingListItemTask extends UiAsyncTask<Void, Void, Void> {
         private final int mId;
         private final String mUrl;
         private final Context mContext;
         public RemoveReadingListItemTask(Context context, int id, String url) {
             super(ThreadUtils.getBackgroundHandler());
             mId = id;
             mUrl = url;
             mContext = context;
         }
         @Override
         public Void doInBackground(Void... params) {
             ContentResolver cr = mContext.getContentResolver();
             BrowserDB.removeReadingListItem(cr, mId);
             GeckoEvent e = GeckoEvent.createBroadcastEvent("Reader:Remove", mUrl);
             GeckoAppShell.sendEventToGecko(e);
             return null;
         }
     }
     private static class RemoveHistoryTask extends UiAsyncTask<Void, Void, Void> {
         private final Context mContext;
         private final int mId;
         public RemoveHistoryTask(Context context, int id) {
             super(ThreadUtils.getBackgroundHandler());
             mContext = context;
             mId = id;
         }
         @Override
         public Void doInBackground(Void... params) {
             BrowserDB.removeHistoryEntry(mContext.getContentResolver(), mId);
             return null;
         }
         @Override
         public void onPostExecute(Void result) {
             Toast.makeText(mContext, R.string.history_removed, Toast.LENGTH_SHORT).show();
         }
     }
 }

The Tor Browser / annotate

mobile/android/base/home/HomeFragment.java@fc2d59ddac77 (annotated)

mobile/android/base/home/HomeFragment.java