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

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

mobile/android/base/home/TwoLinePageRow.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 java.lang.ref.WeakReference;
 import org.mozilla.gecko.R;
 import org.mozilla.gecko.Tab;
 import org.mozilla.gecko.Tabs;
 import org.mozilla.gecko.db.BrowserContract.Combined;
 import org.mozilla.gecko.db.BrowserDB.URLColumns;
 import org.mozilla.gecko.favicons.Favicons;
 import org.mozilla.gecko.favicons.OnFaviconLoadedListener;
 import org.mozilla.gecko.util.ThreadUtils;
 import org.mozilla.gecko.widget.FaviconView;
 import android.content.Context;
 import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 public class TwoLinePageRow extends LinearLayout
                             implements Tabs.OnTabsChangedListener {
     protected static final int NO_ICON = 0;
     private final TextView mTitle;
     private final TextView mUrl;
     private int mSwitchToTabIconId;
     private int mPageTypeIconId;
     private final FaviconView mFavicon;
     private boolean mShowIcons;
     private int mLoadFaviconJobId = Favicons.NOT_LOADING;
     // Only holds a reference to the FaviconView itself, so if the row gets
     // discarded while a task is outstanding, we'll leak less memory.
     private static class UpdateViewFaviconLoadedListener implements OnFaviconLoadedListener {
         private final WeakReference<FaviconView> view;
         public UpdateViewFaviconLoadedListener(FaviconView view) {
             this.view = new WeakReference<FaviconView>(view);
         }
         @Override
         public void onFaviconLoaded(String url, String faviconURL, Bitmap favicon) {
             FaviconView v = view.get();
             if (v == null) {
                 // Guess we stuck around after the TwoLinePageRow went away.
                 return;
             }
             if (favicon == null) {
                 v.showDefaultFavicon();
                 return;
             }
             v.updateImage(favicon, faviconURL);
         }
     }
     // Listener for handling Favicon loads.
     private final OnFaviconLoadedListener mFaviconListener;
     // The URL for the page corresponding to this view.
     private String mPageUrl;
     public TwoLinePageRow(Context context) {
         this(context, null);
     }
     public TwoLinePageRow(Context context, AttributeSet attrs) {
         super(context, attrs);
         setGravity(Gravity.CENTER_VERTICAL);
         LayoutInflater.from(context).inflate(R.layout.two_line_page_row, this);
         mTitle = (TextView) findViewById(R.id.title);
         mUrl = (TextView) findViewById(R.id.url);
         mSwitchToTabIconId = NO_ICON;
         mPageTypeIconId = NO_ICON;
         mShowIcons = true;
         mFavicon = (FaviconView) findViewById(R.id.icon);
         mFaviconListener = new UpdateViewFaviconLoadedListener(mFavicon);
     }
     @Override
     protected void onAttachedToWindow() {
         Tabs.registerOnTabsChangedListener(this);
     }
     @Override
     protected void onDetachedFromWindow() {
         // Tabs' listener array is safe to modify during use: its
         // iteration pattern is based on snapshots.
         Tabs.unregisterOnTabsChangedListener(this);
     }
     @Override
     public void onTabChanged(final Tab tab, final Tabs.TabEvents msg, final Object data) {
         switch(msg) {
             case ADDED:
             case CLOSED:
             case LOCATION_CHANGE:
                 updateDisplayedUrl();
                 break;
         }
     }
     private void setTitle(String text) {
         mTitle.setText(text);
     }
     protected void setUrl(String text) {
         mUrl.setText(text);
     }
     protected void setUrl(int stringId) {
         mUrl.setText(stringId);
     }
     protected String getUrl() {
         return mPageUrl;
     }
     protected void setSwitchToTabIcon(int iconId) {
         if (mSwitchToTabIconId == iconId) {
             return;
         }
         mSwitchToTabIconId = iconId;
         mUrl.setCompoundDrawablesWithIntrinsicBounds(mSwitchToTabIconId, 0, mPageTypeIconId, 0);
     }
     private void setPageTypeIcon(int iconId) {
         if (mPageTypeIconId == iconId) {
             return;
         }
         mPageTypeIconId = iconId;
         mUrl.setCompoundDrawablesWithIntrinsicBounds(mSwitchToTabIconId, 0, mPageTypeIconId, 0);
     }
     /**
      * Stores the page URL, so that we can use it to replace "Switch to tab" if the open
      * tab changes or is closed.
      */
     private void updateDisplayedUrl(String url) {
         mPageUrl = url;
         updateDisplayedUrl();
     }
     /**
      * Replaces the page URL with "Switch to tab" if there is already a tab open with that URL.
      * Only looks for tabs that are either private or non-private, depending on the current
      * selected tab.
      */
     protected void updateDisplayedUrl() {
         boolean isPrivate = Tabs.getInstance().getSelectedTab().isPrivate();
         Tab tab = Tabs.getInstance().getFirstTabForUrl(mPageUrl, isPrivate);
         if (!mShowIcons || tab == null) {
             setUrl(mPageUrl);
             setSwitchToTabIcon(NO_ICON);
         } else {
             setUrl(R.string.switch_to_tab);
             setSwitchToTabIcon(R.drawable.ic_url_bar_tab);
         }
     }
     public void setShowIcons(boolean showIcons) {
         mShowIcons = showIcons;
     }
     public void updateFromCursor(Cursor cursor) {
         if (cursor == null) {
             return;
         }
         int titleIndex = cursor.getColumnIndexOrThrow(URLColumns.TITLE);
         final String title = cursor.getString(titleIndex);
         int urlIndex = cursor.getColumnIndexOrThrow(URLColumns.URL);
         final String url = cursor.getString(urlIndex);
         if (mShowIcons) {
             final int bookmarkIdIndex = cursor.getColumnIndex(Combined.BOOKMARK_ID);
             if (bookmarkIdIndex != -1) {
                 final long bookmarkId = cursor.getLong(bookmarkIdIndex);
                 final int displayIndex = cursor.getColumnIndex(Combined.DISPLAY);
                 final int display;
                 if (displayIndex != -1) {
                     display = cursor.getInt(displayIndex);
                 } else {
                     display = Combined.DISPLAY_NORMAL;
                 }
                 // The bookmark id will be 0 (null in database) when the url
                 // is not a bookmark.
                 if (bookmarkId == 0) {
                     setPageTypeIcon(NO_ICON);
                 } else if (display == Combined.DISPLAY_READER) {
                     setPageTypeIcon(R.drawable.ic_url_bar_reader);
                 } else {
                     setPageTypeIcon(R.drawable.ic_url_bar_star);
                 }
             } else {
                 setPageTypeIcon(NO_ICON);
             }
         }
         // Use the URL instead of an empty title for consistency with the normal URL
         // bar view - this is the equivalent of getDisplayTitle() in Tab.java
         setTitle(TextUtils.isEmpty(title) ? url : title);
         // No point updating the below things if URL has not changed. Prevents evil Favicon flicker.
         if (url.equals(mPageUrl)) {
             return;
         }
         // Blank the Favicon, so we don't show the wrong Favicon if we scroll and miss DB.
         mFavicon.clearImage();
         mLoadFaviconJobId = Favicons.getSizedFaviconForPageFromLocal(url, mFaviconListener);
         updateDisplayedUrl(url);
     }
 }

The Tor Browser / annotate

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

mobile/android/base/home/TwoLinePageRow.java