The Tor Browser: mobile/android/base/preferences/PanelsPreferenceCategory.java@fc2d59ddac77 (annotated)

mobile/android/base/preferences/PanelsPreferenceCategory.java@fc2d59ddac77 (annotated)

mobile/android/base/preferences/PanelsPreferenceCategory.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.

 /* 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.preferences;
 import org.mozilla.gecko.Telemetry;
 import org.mozilla.gecko.TelemetryContract;
 import org.mozilla.gecko.home.HomeConfig;
 import org.mozilla.gecko.home.HomeConfig.PanelConfig;
 import org.mozilla.gecko.home.HomeConfig.State;
 import org.mozilla.gecko.util.ThreadUtils;
 import org.mozilla.gecko.util.UiAsyncTask;
 import android.content.Context;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 public class PanelsPreferenceCategory extends CustomListCategory {
     public static final String LOGTAG = "PanelsPrefCategory";
     protected HomeConfig mHomeConfig;
     protected HomeConfig.Editor mConfigEditor;
     protected UiAsyncTask<Void, Void, HomeConfig.State> mLoadTask;
     public PanelsPreferenceCategory(Context context) {
         super(context);
         initConfig(context);
     }
     public PanelsPreferenceCategory(Context context, AttributeSet attrs) {
         super(context, attrs);
         initConfig(context);
     }
     public PanelsPreferenceCategory(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
         initConfig(context);
     }
     protected void initConfig(Context context) {
         mHomeConfig = HomeConfig.getDefault(context);
     }
     @Override
     public void onAttachedToActivity() {
         super.onAttachedToActivity();
         loadHomeConfig(null);
     }
     /**
      * Load the Home Panels config and populate the preferences screen and maintain local state.
      */
     private void loadHomeConfig(final String animatePanelId) {
         mLoadTask = new UiAsyncTask<Void, Void, HomeConfig.State>(ThreadUtils.getBackgroundHandler()) {
             @Override
             public HomeConfig.State doInBackground(Void... params) {
                 return mHomeConfig.load();
             }
             @Override
             public void onPostExecute(HomeConfig.State configState) {
                 mConfigEditor = configState.edit();
                 displayHomeConfig(configState, animatePanelId);
             }
         };
         mLoadTask.execute();
     }
     /**
      * Simplified refresh of Home Panels when there is no state to be persisted.
      */
     public void refresh() {
         refresh(null, null);
     }
     /**
      * Refresh the Home Panels list and animate a panel, if specified.
      * If null, load from HomeConfig.
      *
      * @param State HomeConfig.State to rebuild Home Panels list from.
      * @param String panelId of panel to be animated.
      */
     public void refresh(State state, String animatePanelId) {
         // Clear all the existing home panels.
         removeAll();
         if (state == null) {
             loadHomeConfig(animatePanelId);
         } else {
             displayHomeConfig(state, animatePanelId);
         }
     }
     private void displayHomeConfig(HomeConfig.State configState, String animatePanelId) {
         int index = 0;
         for (PanelConfig panelConfig : configState) {
             final boolean isRemovable = panelConfig.isDynamic();
             // Create and add the pref.
             final String panelId = panelConfig.getId();
             final boolean animate = TextUtils.equals(animatePanelId, panelId);
             final PanelsPreference pref = new PanelsPreference(getContext(), PanelsPreferenceCategory.this, isRemovable, index, animate);
             pref.setTitle(panelConfig.getTitle());
             pref.setKey(panelConfig.getId());
             // XXX: Pull icon from PanelInfo.
             addPreference(pref);
             if (panelConfig.isDisabled()) {
                 pref.setHidden(true);
             }
             index++;
         }
         setPositionState();
         setDefaultFromConfig();
     }
     private void setPositionState() {
         final int prefCount = getPreferenceCount();
         // Pass in position state to first and last preference.
         final PanelsPreference firstPref = (PanelsPreference) getPreference(0);
         firstPref.setIsFirst();
         final PanelsPreference lastPref = (PanelsPreference) getPreference(prefCount - 1);
         lastPref.setIsLast();
     }
     private void setDefaultFromConfig() {
         final String defaultPanelId = mConfigEditor.getDefaultPanelId();
         if (defaultPanelId == null) {
             mDefaultReference = null;
             return;
         }
         final int prefCount = getPreferenceCount();
         for (int i = 0; i < prefCount; i++) {
             final PanelsPreference pref = (PanelsPreference) getPreference(i);
             if (defaultPanelId.equals(pref.getKey())) {
                 super.setDefault(pref);
                 break;
             }
         }
     }
     @Override
     public void setDefault(CustomListPreference pref) {
         super.setDefault(pref);
         final String id = pref.getKey();
         final String defaultPanelId = mConfigEditor.getDefaultPanelId();
         if (defaultPanelId != null && defaultPanelId.equals(id)) {
             return;
         }
         mConfigEditor.setDefault(id);
         mConfigEditor.apply();
         Telemetry.sendUIEvent(TelemetryContract.Event.PANEL_SET_DEFAULT, null, id);
     }
     @Override
     protected void onPrepareForRemoval() {
         if (mLoadTask != null) {
             mLoadTask.cancel(true);
         }
     }
     @Override
     public void uninstall(CustomListPreference pref) {
         mConfigEditor.uninstall(pref.getKey());
         mConfigEditor.apply();
         super.uninstall(pref);
     }
     public void moveUp(PanelsPreference pref) {
         final int panelIndex = pref.getIndex();
         if (panelIndex > 0) {
             final String panelKey = pref.getKey();
             mConfigEditor.moveTo(panelKey, panelIndex - 1);
             final State state = mConfigEditor.apply();
             refresh(state, panelKey);
         }
     }
     public void moveDown(PanelsPreference pref) {
         final int panelIndex = pref.getIndex();
         if (panelIndex < getPreferenceCount() - 1) {
             final String panelKey = pref.getKey();
             mConfigEditor.moveTo(panelKey, panelIndex + 1);
             final State state = mConfigEditor.apply();
             refresh(state, panelKey);
         }
     }
     /**
      * Update the hide/show state of the preference and save the HomeConfig
      * changes.
      *
      * @param pref Preference to update
      * @param toHide New hidden state of the preference
      */
     protected void setHidden(PanelsPreference pref, boolean toHide) {
         mConfigEditor.setDisabled(pref.getKey(), toHide);
         mConfigEditor.apply();
         pref.setHidden(toHide);
         setDefaultFromConfig();
     }
     /**
      * When the default panel is removed or disabled, find an enabled panel
      * if possible and set it as mDefaultReference.
      */
     @Override
     protected void setFallbackDefault() {
         setDefaultFromConfig();
     }
 }

The Tor Browser / annotate

mobile/android/base/preferences/PanelsPreferenceCategory.java@fc2d59ddac77 (annotated)

mobile/android/base/preferences/PanelsPreferenceCategory.java