mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
290 lines
10 KiB
Java
290 lines
10 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko.home;
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import org.mozilla.gecko.EditBookmarkDialog;
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import org.mozilla.gecko.GeckoAppShell;
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import org.mozilla.gecko.GeckoEvent;
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import org.mozilla.gecko.R;
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import org.mozilla.gecko.ReaderModeUtils;
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import org.mozilla.gecko.Tabs;
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import org.mozilla.gecko.db.BrowserContract.Combined;
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import org.mozilla.gecko.db.BrowserDB;
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import org.mozilla.gecko.gfx.BitmapUtils;
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import org.mozilla.gecko.home.HomeListView.HomeContextMenuInfo;
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import org.mozilla.gecko.ReaderModeUtils;
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import org.mozilla.gecko.util.ThreadUtils;
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import org.mozilla.gecko.util.UiAsyncTask;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.Intent;
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import android.database.Cursor;
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import android.graphics.Bitmap;
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import android.os.Bundle;
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import android.support.v4.app.Fragment;
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import android.support.v4.app.LoaderManager.LoaderCallbacks;
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import android.support.v4.content.Loader;
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import android.text.TextUtils;
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import android.util.Log;
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import android.view.ContextMenu;
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import android.view.ContextMenu.ContextMenuInfo;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.widget.Toast;
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/**
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* HomeFragment is an empty fragment that can be added to the HomePager.
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* Subclasses can add their own views.
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*/
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abstract class HomeFragment extends Fragment {
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// Log Tag.
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private static final String LOGTAG="GeckoHomeFragment";
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// Share MIME type.
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private static final String SHARE_MIME_TYPE = "text/plain";
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// URL to Title replacement regex.
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private static final String REGEX_URL_TO_TITLE = "^([a-z]+://)?(www\\.)?";
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// Cursor loader ID for favicons query
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private static final int LOADER_ID_FAVICONS = 100;
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@Override
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public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo menuInfo) {
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if (menuInfo == null || !(menuInfo instanceof HomeContextMenuInfo)) {
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return;
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}
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HomeContextMenuInfo info = (HomeContextMenuInfo) menuInfo;
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// Don't show the context menu for folders.
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if (info.isFolder) {
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return;
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}
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MenuInflater inflater = new MenuInflater(view.getContext());
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inflater.inflate(R.menu.home_contextmenu, menu);
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menu.setHeaderTitle(info.title);
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// Hide the "Edit" menuitem if this item isn't a bookmark.
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if (info.bookmarkId < 0) {
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menu.findItem(R.id.home_edit_bookmark).setVisible(false);
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}
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// Hide the "Remove" menuitem if this item doesn't have a bookmark or history ID.
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if (info.bookmarkId < 0 && info.historyId < 0) {
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menu.findItem(R.id.home_remove).setVisible(false);
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}
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final boolean canOpenInReader = (info.display == Combined.DISPLAY_READER);
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menu.findItem(R.id.home_open_in_reader).setVisible(canOpenInReader);
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}
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@Override
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public boolean onContextItemSelected(MenuItem item) {
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// onContextItemSelected() is first dispatched to the activity and
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// then dispatched to its fragments. Since fragments cannot "override"
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// menu item selection handling, it's better to avoid menu id collisions
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// between the activity and its fragments.
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ContextMenuInfo menuInfo = item.getMenuInfo();
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if (menuInfo == null || !(menuInfo instanceof HomeContextMenuInfo)) {
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return false;
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}
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HomeContextMenuInfo info = (HomeContextMenuInfo) menuInfo;
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final Context context = getActivity().getApplicationContext();
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switch(item.getItemId()) {
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case R.id.home_share: {
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if (info.url == null) {
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Log.e(LOGTAG, "Can't share because URL is null");
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break;
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}
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GeckoAppShell.openUriExternal(info.url, SHARE_MIME_TYPE, "", "",
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Intent.ACTION_SEND, info.title);
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return true;
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}
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case R.id.home_add_to_launcher: {
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if (info.url == null) {
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Log.e(LOGTAG, "Can't add to home screen because URL is null");
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break;
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}
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// FIXME: bug 897772
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Bitmap bitmap = null;
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if (info.favicon != null) {
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bitmap = BitmapUtils.decodeByteArray(info.favicon);
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}
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String shortcutTitle = TextUtils.isEmpty(info.title) ? info.url.replaceAll(REGEX_URL_TO_TITLE, "") : info.title;
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GeckoAppShell.createShortcut(shortcutTitle, info.url, bitmap, "");
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return true;
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}
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case R.id.home_open_private_tab:
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case R.id.home_open_new_tab: {
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if (info.url == null) {
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Log.e(LOGTAG, "Can't open in new tab because URL is null");
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break;
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}
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int flags = Tabs.LOADURL_NEW_TAB | Tabs.LOADURL_BACKGROUND;
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if (item.getItemId() == R.id.home_open_private_tab)
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flags |= Tabs.LOADURL_PRIVATE;
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final String url = (info.inReadingList ? ReaderModeUtils.getAboutReaderForUrl(info.url, true) : info.url);
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Tabs.getInstance().loadUrl(url, flags);
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Toast.makeText(context, R.string.new_tab_opened, Toast.LENGTH_SHORT).show();
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return true;
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}
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case R.id.home_edit_bookmark: {
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// UI Dialog associates to the activity context, not the applications'.
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new EditBookmarkDialog(getActivity()).show(info.url);
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return true;
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}
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case R.id.home_open_in_reader: {
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final String url = ReaderModeUtils.getAboutReaderForUrl(info.url, true);
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Tabs.getInstance().loadUrl(url, Tabs.LOADURL_NONE);
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return true;
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}
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case R.id.home_remove: {
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// Prioritize removing a history entry over a bookmark in the case of a combined item.
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final int historyId = info.historyId;
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if (historyId > -1) {
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new RemoveHistoryTask(context, historyId).execute();
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return true;
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}
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final int bookmarkId = info.bookmarkId;
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if (bookmarkId > -1) {
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new RemoveBookmarkTask(context, bookmarkId, info.url, info.inReadingList).execute();
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return true;
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}
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}
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}
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return false;
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}
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private static class RemoveBookmarkTask extends UiAsyncTask<Void, Void, Void> {
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private final Context mContext;
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private final int mId;
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private final String mUrl;
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private final boolean mInReadingList;
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public RemoveBookmarkTask(Context context, int id, String url, boolean inReadingList) {
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super(ThreadUtils.getBackgroundHandler());
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mContext = context;
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mId = id;
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mUrl = url;
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mInReadingList = inReadingList;
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}
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@Override
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public Void doInBackground(Void... params) {
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ContentResolver cr = mContext.getContentResolver();
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BrowserDB.removeBookmark(cr, mId);
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if (mInReadingList) {
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GeckoEvent e = GeckoEvent.createBroadcastEvent("Reader:Remove", mUrl);
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GeckoAppShell.sendEventToGecko(e);
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int count = BrowserDB.getReadingListCount(cr);
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e = GeckoEvent.createBroadcastEvent("Reader:ListCountUpdated", Integer.toString(count));
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GeckoAppShell.sendEventToGecko(e);
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}
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return null;
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}
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@Override
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public void onPostExecute(Void result) {
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int messageId = mInReadingList ? R.string.reading_list_removed : R.string.bookmark_removed;
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Toast.makeText(mContext, messageId, Toast.LENGTH_SHORT).show();
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}
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}
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private static class RemoveHistoryTask extends UiAsyncTask<Void, Void, Void> {
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private final Context mContext;
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private final int mId;
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public RemoveHistoryTask(Context context, int id) {
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super(ThreadUtils.getBackgroundHandler());
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mContext = context;
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mId = id;
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}
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@Override
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public Void doInBackground(Void... params) {
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BrowserDB.removeHistoryEntry(mContext.getContentResolver(), mId);
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return null;
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}
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@Override
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public void onPostExecute(Void result) {
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Toast.makeText(mContext, R.string.history_removed, Toast.LENGTH_SHORT).show();
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}
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}
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@Override
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public void setUserVisibleHint (boolean isVisibleToUser) {
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super.setUserVisibleHint(isVisibleToUser);
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loadIfVisible();
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}
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protected abstract void load();
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protected void loadIfVisible() {
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if (!isVisible() || !getUserVisibleHint()) {
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return;
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}
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load();
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}
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/**
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* Cursor loader callbacks that takes care loading favicons into memory.
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*/
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abstract class HomeCursorLoaderCallbacks implements LoaderCallbacks<Cursor> {
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// Callback for favicons loaded in memory.
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public abstract void onFaviconsLoaded();
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public void loadFavicons(Cursor cursor) {
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FaviconsLoader.restartFromCursor(getLoaderManager(), LOADER_ID_FAVICONS, this, cursor);
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}
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@Override
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public Loader<Cursor> onCreateLoader(int id, Bundle args) {
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if (id == LOADER_ID_FAVICONS) {
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return FaviconsLoader.createInstance(getActivity(), args);
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}
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return null;
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}
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@Override
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public void onLoadFinished(Loader<Cursor> loader, Cursor c) {
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if (loader.getId() == LOADER_ID_FAVICONS) {
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onFaviconsLoaded();
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}
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}
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@Override
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public void onLoaderReset(Loader<Cursor> loader) {
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// Do nothing by default.
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}
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}
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}
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