The Tor Browser: comparison mobile/android/base/preferences/PanelsPreferenceCategory.java

--1:000000000000
+:4ea3c8dfc50f
+/* 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 / file comparison

comparison: mobile/android/base/preferences/PanelsPreferenceCategory.java

mobile/android/base/preferences/PanelsPreferenceCategory.java