mirror of
https://github.com/mozilla/gecko-dev.git
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722 lines
21 KiB
Java
722 lines
21 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;
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import org.mozilla.gecko.db.BrowserDB;
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import org.mozilla.gecko.gfx.Layer;
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import org.mozilla.gecko.util.ThreadUtils;
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import org.json.JSONException;
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import org.json.JSONObject;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.Color;
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import android.graphics.drawable.BitmapDrawable;
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import android.graphics.drawable.Drawable;
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import android.os.Build;
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import android.text.TextUtils;
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import android.util.Log;
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import android.view.View;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class Tab {
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private static final String LOGTAG = "GeckoTab";
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private static Pattern sColorPattern;
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private final int mId;
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private long mLastUsed;
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private String mUrl;
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private String mBaseDomain;
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private String mUserSearch;
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private String mTitle;
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private Bitmap mFavicon;
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private String mFaviconUrl;
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private int mFaviconSize;
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private boolean mFeedsEnabled;
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private JSONObject mIdentityData;
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private boolean mReaderEnabled;
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private BitmapDrawable mThumbnail;
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private int mHistoryIndex;
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private int mHistorySize;
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private int mParentId;
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private boolean mExternal;
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private boolean mBookmark;
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private boolean mReadingListItem;
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private long mFaviconLoadId;
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private String mDocumentURI;
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private String mContentType;
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private boolean mHasTouchListeners;
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private ZoomConstraints mZoomConstraints;
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private boolean mIsRTL;
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private ArrayList<View> mPluginViews;
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private HashMap<Object, Layer> mPluginLayers;
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private int mBackgroundColor;
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private int mState;
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private Bitmap mThumbnailBitmap;
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private boolean mDesktopMode;
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private boolean mEnteringReaderMode;
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private Context mContext;
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private static final int MAX_HISTORY_LIST_SIZE = 50;
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public static final int STATE_DELAYED = 0;
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public static final int STATE_LOADING = 1;
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public static final int STATE_SUCCESS = 2;
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public static final int STATE_ERROR = 3;
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public Tab(Context context, int id, String url, boolean external, int parentId, String title) {
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mContext = context;
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mId = id;
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mLastUsed = 0;
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mUrl = url;
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mBaseDomain = "";
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mUserSearch = "";
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mExternal = external;
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mParentId = parentId;
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mTitle = title == null ? "" : title;
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mFavicon = null;
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mFaviconUrl = null;
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mFaviconSize = 0;
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mFeedsEnabled = false;
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mIdentityData = null;
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mReaderEnabled = false;
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mEnteringReaderMode = false;
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mThumbnail = null;
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mHistoryIndex = -1;
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mHistorySize = 0;
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mBookmark = false;
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mReadingListItem = false;
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mFaviconLoadId = 0;
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mDocumentURI = "";
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mContentType = "";
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mZoomConstraints = new ZoomConstraints(false);
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mPluginViews = new ArrayList<View>();
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mPluginLayers = new HashMap<Object, Layer>();
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mState = shouldShowProgress(url) ? STATE_SUCCESS : STATE_LOADING;
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// At startup, the background is set to a color specified by LayerView
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// when the LayerView is created. Shortly after, this background color
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// will be used before the tab's content is shown.
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mBackgroundColor = getBackgroundColorForUrl(url);
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}
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private ContentResolver getContentResolver() {
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return Tabs.getInstance().getContentResolver();
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}
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public void onDestroy() {
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Tabs.getInstance().notifyListeners(this, Tabs.TabEvents.CLOSED);
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}
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public int getId() {
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return mId;
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}
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public synchronized void onChange() {
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mLastUsed = System.currentTimeMillis();
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}
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public synchronized long getLastUsed() {
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return mLastUsed;
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}
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public int getParentId() {
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return mParentId;
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}
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// may be null if user-entered query hasn't yet been resolved to a URI
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public synchronized String getURL() {
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return mUrl;
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}
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// mUserSearch should never be null, but it may be an empty string
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public synchronized String getUserSearch() {
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return mUserSearch;
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}
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// mTitle should never be null, but it may be an empty string
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public synchronized String getTitle() {
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return mTitle;
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}
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public String getDisplayTitle() {
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if (mTitle != null && mTitle.length() > 0) {
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return mTitle;
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}
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return mUrl;
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}
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public String getBaseDomain() {
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return mBaseDomain;
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}
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public Bitmap getFavicon() {
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return mFavicon;
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}
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public Drawable getThumbnail() {
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return mThumbnail;
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}
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public Bitmap getThumbnailBitmap(int width, int height) {
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if (mThumbnailBitmap != null) {
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// Bug 787318 - Honeycomb has a bug with bitmap caching, we can't
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// reuse the bitmap there.
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boolean honeycomb = (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB
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&& Build.VERSION.SDK_INT <= Build.VERSION_CODES.HONEYCOMB_MR2);
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boolean sizeChange = mThumbnailBitmap.getWidth() != width
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|| mThumbnailBitmap.getHeight() != height;
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if (honeycomb || sizeChange) {
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mThumbnailBitmap = null;
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}
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}
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if (mThumbnailBitmap == null) {
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mThumbnailBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
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}
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return mThumbnailBitmap;
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}
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public void updateThumbnail(final Bitmap b) {
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ThreadUtils.postToBackgroundThread(new Runnable() {
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@Override
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public void run() {
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if (b != null) {
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try {
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mThumbnail = new BitmapDrawable(b);
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if (mState == Tab.STATE_SUCCESS)
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saveThumbnailToDB();
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} catch (OutOfMemoryError oom) {
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Log.w(LOGTAG, "Unable to create/scale bitmap.", oom);
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mThumbnail = null;
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}
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} else {
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mThumbnail = null;
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}
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Tabs.getInstance().notifyListeners(Tab.this, Tabs.TabEvents.THUMBNAIL);
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}
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});
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}
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public synchronized String getFaviconURL() {
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return mFaviconUrl;
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}
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public boolean getFeedsEnabled() {
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return mFeedsEnabled;
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}
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public String getSecurityMode() {
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try {
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return mIdentityData.getString("mode");
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} catch (Exception e) {
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// If mIdentityData is null, or we get a JSONException
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return SiteIdentityPopup.UNKNOWN;
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}
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}
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public JSONObject getIdentityData() {
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return mIdentityData;
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}
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public boolean getReaderEnabled() {
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return mReaderEnabled;
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}
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public boolean isBookmark() {
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return mBookmark;
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}
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public boolean isReadingListItem() {
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return mReadingListItem;
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}
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public boolean isExternal() {
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return mExternal;
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}
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public synchronized void updateURL(String url) {
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if (url != null && url.length() > 0) {
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mUrl = url;
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updateBookmark();
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}
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}
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private synchronized void updateUserSearch(String userSearch) {
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mUserSearch = userSearch;
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}
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public void setDocumentURI(String documentURI) {
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mDocumentURI = documentURI;
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}
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public String getDocumentURI() {
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return mDocumentURI;
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}
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public void setContentType(String contentType) {
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mContentType = (contentType == null) ? "" : contentType;
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}
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public String getContentType() {
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return mContentType;
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}
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public synchronized void updateTitle(String title) {
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// Keep the title unchanged while entering reader mode
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if (mEnteringReaderMode)
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return;
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mTitle = (title == null ? "" : title);
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Tabs.getInstance().notifyListeners(this, Tabs.TabEvents.TITLE);
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}
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public void setState(int state) {
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mState = state;
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if (mState != Tab.STATE_LOADING)
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mEnteringReaderMode = false;
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}
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public int getState() {
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return mState;
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}
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public void setZoomConstraints(ZoomConstraints constraints) {
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mZoomConstraints = constraints;
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}
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public ZoomConstraints getZoomConstraints() {
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return mZoomConstraints;
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}
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public void setIsRTL(boolean aIsRTL) {
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mIsRTL = aIsRTL;
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}
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public boolean getIsRTL() {
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return mIsRTL;
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}
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public void setHasTouchListeners(boolean aValue) {
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mHasTouchListeners = aValue;
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}
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public boolean getHasTouchListeners() {
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return mHasTouchListeners;
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}
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public void setFaviconLoadId(long faviconLoadId) {
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mFaviconLoadId = faviconLoadId;
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}
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public long getFaviconLoadId() {
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return mFaviconLoadId;
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}
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public void updateFavicon(Bitmap favicon) {
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mFavicon = favicon;
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}
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public synchronized void updateFaviconURL(String faviconUrl, int size) {
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// If we already have an "any" sized icon, don't update the icon.
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if (mFaviconSize == -1)
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return;
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// Only update the favicon if it's bigger than the current favicon.
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// We use -1 to represent icons with sizes="any".
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if (size == -1 || size >= mFaviconSize) {
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mFaviconUrl = faviconUrl;
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mFaviconSize = size;
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}
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}
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public synchronized void clearFavicon() {
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// Keep the favicon unchanged while entering reader mode
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if (mEnteringReaderMode)
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return;
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mFavicon = null;
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mFaviconUrl = null;
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mFaviconSize = 0;
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}
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public void setFeedsEnabled(boolean feedsEnabled) {
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mFeedsEnabled = feedsEnabled;
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}
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public void updateIdentityData(JSONObject identityData) {
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mIdentityData = identityData;
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}
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public void setReaderEnabled(boolean readerEnabled) {
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mReaderEnabled = readerEnabled;
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Tabs.getInstance().notifyListeners(this, Tabs.TabEvents.MENU_UPDATED);
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}
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void updateBookmark() {
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ThreadUtils.postToBackgroundThread(new Runnable() {
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@Override
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public void run() {
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final String url = getURL();
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if (url == null)
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return;
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if (url.equals(getURL())) {
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mBookmark = BrowserDB.isBookmark(getContentResolver(), url);
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mReadingListItem = BrowserDB.isReadingListItem(getContentResolver(), url);
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}
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Tabs.getInstance().notifyListeners(Tab.this, Tabs.TabEvents.MENU_UPDATED);
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}
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});
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}
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public void addBookmark() {
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ThreadUtils.postToBackgroundThread(new Runnable() {
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@Override
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public void run() {
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String url = getURL();
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if (url == null)
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return;
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BrowserDB.addBookmark(getContentResolver(), mTitle, url);
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}
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});
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}
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public void removeBookmark() {
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ThreadUtils.postToBackgroundThread(new Runnable() {
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@Override
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public void run() {
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String url = getURL();
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if (url == null)
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return;
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BrowserDB.removeBookmarksWithURL(getContentResolver(), url);
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}
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});
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}
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public void addToReadingList() {
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if (!mReaderEnabled)
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return;
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JSONObject json = new JSONObject();
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try {
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json.put("tabID", String.valueOf(getId()));
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} catch (JSONException e) {
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Log.e(LOGTAG, "JSON error - failing to add to reading list", e);
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return;
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}
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GeckoEvent e = GeckoEvent.createBroadcastEvent("Reader:Add", json.toString());
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GeckoAppShell.sendEventToGecko(e);
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}
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public void readerMode() {
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if (!mReaderEnabled)
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return;
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mEnteringReaderMode = true;
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Tabs.getInstance().loadUrl(ReaderModeUtils.getAboutReaderForUrl(getURL(), mId, mReadingListItem));
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}
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public boolean isEnteringReaderMode() {
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return mEnteringReaderMode;
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}
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public void doReload() {
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GeckoEvent e = GeckoEvent.createBroadcastEvent("Session:Reload", "");
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GeckoAppShell.sendEventToGecko(e);
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}
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// Our version of nsSHistory::GetCanGoBack
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public boolean canDoBack() {
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return mHistoryIndex > 0;
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}
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public boolean doBack() {
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if (!canDoBack())
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return false;
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GeckoEvent e = GeckoEvent.createBroadcastEvent("Session:Back", "");
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GeckoAppShell.sendEventToGecko(e);
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return true;
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}
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public boolean showBackHistory() {
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if (!canDoBack())
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return false;
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return this.showHistory(Math.max(mHistoryIndex - MAX_HISTORY_LIST_SIZE, 0), mHistoryIndex, mHistoryIndex);
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}
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public boolean showForwardHistory() {
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if (!canDoForward())
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return false;
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return this.showHistory(mHistoryIndex, Math.min(mHistorySize - 1, mHistoryIndex + MAX_HISTORY_LIST_SIZE), mHistoryIndex);
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}
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public boolean showAllHistory() {
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if (!canDoForward() && !canDoBack())
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return false;
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int min = mHistoryIndex - MAX_HISTORY_LIST_SIZE / 2;
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int max = mHistoryIndex + MAX_HISTORY_LIST_SIZE / 2;
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if (min < 0) {
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max -= min;
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}
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if (max > mHistorySize - 1) {
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min -= max - (mHistorySize - 1);
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max = mHistorySize - 1;
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}
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min = Math.max(min, 0);
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return this.showHistory(min, max, mHistoryIndex);
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}
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/**
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* This method will show the history starting on fromIndex until toIndex of the history.
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*/
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public boolean showHistory(int fromIndex, int toIndex, int selIndex) {
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JSONObject json = new JSONObject();
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try {
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json.put("fromIndex", fromIndex);
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json.put("toIndex", toIndex);
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json.put("selIndex", selIndex);
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} catch (JSONException e) {
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Log.e(LOGTAG, "JSON error", e);
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}
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GeckoEvent e = GeckoEvent.createBroadcastEvent("Session:ShowHistory", json.toString());
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GeckoAppShell.sendEventToGecko(e);
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return true;
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}
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public void doStop() {
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GeckoEvent e = GeckoEvent.createBroadcastEvent("Session:Stop", "");
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GeckoAppShell.sendEventToGecko(e);
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}
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// Our version of nsSHistory::GetCanGoForward
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public boolean canDoForward() {
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return mHistoryIndex < mHistorySize - 1;
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}
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public boolean doForward() {
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if (!canDoForward())
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return false;
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GeckoEvent e = GeckoEvent.createBroadcastEvent("Session:Forward", "");
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GeckoAppShell.sendEventToGecko(e);
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return true;
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}
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void handleSessionHistoryMessage(String event, JSONObject message) throws JSONException {
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if (event.equals("New")) {
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final String url = message.getString("url");
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mHistoryIndex++;
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mHistorySize = mHistoryIndex + 1;
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} else if (event.equals("Back")) {
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if (!canDoBack()) {
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Log.w(LOGTAG, "Received unexpected back notification");
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return;
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}
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mHistoryIndex--;
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} else if (event.equals("Forward")) {
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if (!canDoForward()) {
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Log.w(LOGTAG, "Received unexpected forward notification");
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return;
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}
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mHistoryIndex++;
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} else if (event.equals("Goto")) {
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int index = message.getInt("index");
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if (index < 0 || index >= mHistorySize) {
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Log.w(LOGTAG, "Received unexpected history-goto notification");
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return;
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}
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mHistoryIndex = index;
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} else if (event.equals("Purge")) {
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int numEntries = message.getInt("numEntries");
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if (numEntries > mHistorySize) {
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Log.w(LOGTAG, "Received unexpectedly large number of history entries to purge");
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mHistoryIndex = -1;
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mHistorySize = 0;
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return;
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}
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mHistorySize -= numEntries;
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mHistoryIndex -= numEntries;
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// If we weren't at the last history entry, mHistoryIndex may have become too small
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if (mHistoryIndex < -1)
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mHistoryIndex = -1;
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}
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}
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void handleLocationChange(JSONObject message) throws JSONException {
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final String uri = message.getString("uri");
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mEnteringReaderMode = ReaderModeUtils.isEnteringReaderMode(mUrl, uri);
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updateURL(uri);
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updateUserSearch(message.getString("userSearch"));
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setDocumentURI(message.getString("documentURI"));
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mBaseDomain = message.optString("baseDomain");
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if (message.getBoolean("sameDocument")) {
|
|
// We can get a location change event for the same document with an anchor tag
|
|
// Notify listeners so that buttons like back or forward will update themselves
|
|
Tabs.getInstance().notifyListeners(this, Tabs.TabEvents.LOCATION_CHANGE, uri);
|
|
return;
|
|
}
|
|
|
|
setContentType(message.getString("contentType"));
|
|
clearFavicon();
|
|
setFeedsEnabled(false);
|
|
updateTitle(null);
|
|
updateIdentityData(null);
|
|
setReaderEnabled(false);
|
|
setZoomConstraints(new ZoomConstraints(true));
|
|
setHasTouchListeners(false);
|
|
setBackgroundColor(getBackgroundColorForUrl(uri));
|
|
|
|
Tabs.getInstance().notifyListeners(this, Tabs.TabEvents.LOCATION_CHANGE, uri);
|
|
}
|
|
|
|
private boolean shouldShowProgress(String url) {
|
|
return "about:home".equals(url) || ReaderModeUtils.isAboutReader(url);
|
|
}
|
|
|
|
private int getBackgroundColorForUrl(String url) {
|
|
if ("about:home".equals(url)) {
|
|
return mContext.getResources().getColor(R.color.background_normal);
|
|
}
|
|
return Color.WHITE;
|
|
}
|
|
|
|
void handleDocumentStart(boolean showProgress, String url) {
|
|
setState(shouldShowProgress(url) ? STATE_SUCCESS : STATE_LOADING);
|
|
updateIdentityData(null);
|
|
setReaderEnabled(false);
|
|
}
|
|
|
|
void handleDocumentStop(boolean success) {
|
|
setState(success ? STATE_SUCCESS : STATE_ERROR);
|
|
|
|
final String oldURL = getURL();
|
|
final Tab tab = this;
|
|
ThreadUtils.getBackgroundHandler().postDelayed(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
// tab.getURL() may return null
|
|
if (!TextUtils.equals(oldURL, getURL()))
|
|
return;
|
|
|
|
ThumbnailHelper.getInstance().getAndProcessThumbnailFor(tab);
|
|
}
|
|
}, 500);
|
|
}
|
|
|
|
protected void saveThumbnailToDB() {
|
|
try {
|
|
String url = getURL();
|
|
if (url == null)
|
|
return;
|
|
|
|
BrowserDB.updateThumbnailForUrl(getContentResolver(), url, mThumbnail);
|
|
} catch (Exception e) {
|
|
// ignore
|
|
}
|
|
}
|
|
|
|
public void addPluginView(View view) {
|
|
mPluginViews.add(view);
|
|
}
|
|
|
|
public void removePluginView(View view) {
|
|
mPluginViews.remove(view);
|
|
}
|
|
|
|
public View[] getPluginViews() {
|
|
return mPluginViews.toArray(new View[mPluginViews.size()]);
|
|
}
|
|
|
|
public void addPluginLayer(Object surfaceOrView, Layer layer) {
|
|
synchronized(mPluginLayers) {
|
|
mPluginLayers.put(surfaceOrView, layer);
|
|
}
|
|
}
|
|
|
|
public Layer getPluginLayer(Object surfaceOrView) {
|
|
synchronized(mPluginLayers) {
|
|
return mPluginLayers.get(surfaceOrView);
|
|
}
|
|
}
|
|
|
|
public Collection<Layer> getPluginLayers() {
|
|
synchronized(mPluginLayers) {
|
|
return new ArrayList<Layer>(mPluginLayers.values());
|
|
}
|
|
}
|
|
|
|
public Layer removePluginLayer(Object surfaceOrView) {
|
|
synchronized(mPluginLayers) {
|
|
return mPluginLayers.remove(surfaceOrView);
|
|
}
|
|
}
|
|
|
|
public int getBackgroundColor() {
|
|
return mBackgroundColor;
|
|
}
|
|
|
|
/** Sets a new color for the background. */
|
|
public void setBackgroundColor(int color) {
|
|
mBackgroundColor = color;
|
|
}
|
|
|
|
/** Parses and sets a new color for the background. */
|
|
public void setBackgroundColor(String newColor) {
|
|
setBackgroundColor(parseColorFromGecko(newColor));
|
|
}
|
|
|
|
// Parses a color from an RGB triple of the form "rgb([0-9]+, [0-9]+, [0-9]+)". If the color
|
|
// cannot be parsed, returns white.
|
|
private static int parseColorFromGecko(String string) {
|
|
if (sColorPattern == null) {
|
|
sColorPattern = Pattern.compile("rgb\\((\\d+),\\s*(\\d+),\\s*(\\d+)\\)");
|
|
}
|
|
|
|
Matcher matcher = sColorPattern.matcher(string);
|
|
if (!matcher.matches()) {
|
|
return Color.WHITE;
|
|
}
|
|
|
|
int r = Integer.parseInt(matcher.group(1));
|
|
int g = Integer.parseInt(matcher.group(2));
|
|
int b = Integer.parseInt(matcher.group(3));
|
|
return Color.rgb(r, g, b);
|
|
}
|
|
|
|
public void setDesktopMode(boolean enabled) {
|
|
mDesktopMode = enabled;
|
|
}
|
|
|
|
public boolean getDesktopMode() {
|
|
return mDesktopMode;
|
|
}
|
|
|
|
public boolean isPrivate() {
|
|
return false;
|
|
}
|
|
}
|