The Tor Browser: mobile/android/base/background/preferences/PreferenceManagerCompat.java@6474c204b198 (annotated)

mobile/android/base/background/preferences/PreferenceManagerCompat.java@6474c204b198 (annotated)

mobile/android/base/background/preferences/PreferenceManagerCompat.java

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
  * Copyright (C) 2013 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package org.mozilla.gecko.background.preferences;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.preference.Preference;
 import android.preference.PreferenceManager;
 import android.preference.PreferenceScreen;
 import android.util.Log;
 public class PreferenceManagerCompat {
 	private static final String TAG = PreferenceManagerCompat.class.getSimpleName();
     /**
      * Interface definition for a callback to be invoked when a
      * {@link Preference} in the hierarchy rooted at this {@link PreferenceScreen} is
      * clicked.
      */
     interface OnPreferenceTreeClickListener {
         /**
          * Called when a preference in the tree rooted at this
          * {@link PreferenceScreen} has been clicked.
          *
          * @param preferenceScreen The {@link PreferenceScreen} that the
          *        preference is located in.
          * @param preference The preference that was clicked.
          * @return Whether the click was handled.
          */
         boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference);
     }
 	static PreferenceManager newInstance(Activity activity, int firstRequestCode) {
 		try {
 			Constructor<PreferenceManager> c = PreferenceManager.class.getDeclaredConstructor(Activity.class, int.class);
 			c.setAccessible(true);
 			return c.newInstance(activity, firstRequestCode);
 		} catch (Exception e) {
 			Log.w(TAG, "Couldn't call constructor PreferenceManager by reflection", e);
 		}
 		return null;
 	}
 	/**
      * Sets the owning preference fragment
      */
     static void setFragment(PreferenceManager manager, PreferenceFragment fragment) {
 	// stub
     }
     /**
      * Sets the callback to be invoked when a {@link Preference} in the
      * hierarchy rooted at this {@link PreferenceManager} is clicked.
      *
      * @param listener The callback to be invoked.
      */
 	static void setOnPreferenceTreeClickListener(PreferenceManager manager, final OnPreferenceTreeClickListener listener) {
 		try {
 			Field onPreferenceTreeClickListener = PreferenceManager.class.getDeclaredField("mOnPreferenceTreeClickListener");
 			onPreferenceTreeClickListener.setAccessible(true);
 			if (listener != null) {
 				Object proxy = Proxy.newProxyInstance(
 						onPreferenceTreeClickListener.getType().getClassLoader(),
 						new Class<?>[] { onPreferenceTreeClickListener.getType() },
 						new InvocationHandler() {
 					@Override
           public Object invoke(Object proxy, Method method, Object[] args) {
 						if (method.getName().equals("onPreferenceTreeClick")) {
 							return Boolean.valueOf(listener.onPreferenceTreeClick((PreferenceScreen) args[0], (Preference) args[1]));
 						} else {
 							return null;
 						}
 					}
 				});
 				onPreferenceTreeClickListener.set(manager, proxy);
 			} else {
 				onPreferenceTreeClickListener.set(manager, null);
 			}
 		} catch (Exception e) {
 			Log.w(TAG, "Couldn't set PreferenceManager.mOnPreferenceTreeClickListener by reflection", e);
 		}
 	}
 	/**
      * Inflates a preference hierarchy from the preference hierarchies of
      * {@link Activity Activities} that match the given {@link Intent}. An
      * {@link Activity} defines its preference hierarchy with meta-data using
      * the {@link #METADATA_KEY_PREFERENCES} key.
      * <p>
      * If a preference hierarchy is given, the new preference hierarchies will
      * be merged in.
      *
      * @param queryIntent The intent to match activities.
      * @param rootPreferences Optional existing hierarchy to merge the new
      *            hierarchies into.
      * @return The root hierarchy (if one was not provided, the new hierarchy's
      *         root).
      */
 	static PreferenceScreen inflateFromIntent(PreferenceManager manager, Intent intent, PreferenceScreen screen) {
 		try {
             Method m = PreferenceManager.class.getDeclaredMethod("inflateFromIntent", Intent.class, PreferenceScreen.class);
             m.setAccessible(true);
             PreferenceScreen prefScreen = (PreferenceScreen) m.invoke(manager, intent, screen);
             return prefScreen;
         } catch (Exception e) {
 			Log.w(TAG, "Couldn't call PreferenceManager.inflateFromIntent by reflection", e);
 		}
 		return null;
 	}
 	/**
      * Inflates a preference hierarchy from XML. If a preference hierarchy is
      * given, the new preference hierarchies will be merged in.
      *
      * @param context The context of the resource.
      * @param resId The resource ID of the XML to inflate.
      * @param rootPreferences Optional existing hierarchy to merge the new
      *            hierarchies into.
      * @return The root hierarchy (if one was not provided, the new hierarchy's
      *         root).
      * @hide
      */
 	static PreferenceScreen inflateFromResource(PreferenceManager manager, Activity activity, int resId, PreferenceScreen screen) {
 		try {
             Method m = PreferenceManager.class.getDeclaredMethod("inflateFromResource", Context.class, int.class, PreferenceScreen.class);
             m.setAccessible(true);
             PreferenceScreen prefScreen = (PreferenceScreen) m.invoke(manager, activity, resId, screen);
             return prefScreen;
         } catch (Exception e) {
 			Log.w(TAG, "Couldn't call PreferenceManager.inflateFromResource by reflection", e);
 		}
 		return null;
 	}
 	/**
      * Returns the root of the preference hierarchy managed by this class.
      *
      * @return The {@link PreferenceScreen} object that is at the root of the hierarchy.
      */
 	static PreferenceScreen getPreferenceScreen(PreferenceManager manager) {
 		try {
             Method m = PreferenceManager.class.getDeclaredMethod("getPreferenceScreen");
             m.setAccessible(true);
             return (PreferenceScreen) m.invoke(manager);
         } catch (Exception e) {
 			Log.w(TAG, "Couldn't call PreferenceManager.getPreferenceScreen by reflection", e);
 		}
 		return null;
 	}
 	/**
      * Called by the {@link PreferenceManager} to dispatch a subactivity result.
      */
 	static void dispatchActivityResult(PreferenceManager manager, int requestCode, int resultCode, Intent data) {
 		try {
             Method m = PreferenceManager.class.getDeclaredMethod("dispatchActivityResult", int.class, int.class, Intent.class);
             m.setAccessible(true);
             m.invoke(manager, requestCode, resultCode, data);
         } catch (Exception e) {
 			Log.w(TAG, "Couldn't call PreferenceManager.dispatchActivityResult by reflection", e);
 		}
 	}
 	/**
      * Called by the {@link PreferenceManager} to dispatch the activity stop
      * event.
      */
 	static void dispatchActivityStop(PreferenceManager manager) {
 		try {
             Method m = PreferenceManager.class.getDeclaredMethod("dispatchActivityStop");
             m.setAccessible(true);
             m.invoke(manager);
         } catch (Exception e) {
 			Log.w(TAG, "Couldn't call PreferenceManager.dispatchActivityStop by reflection", e);
 		}
 	}
 	/**
      * Called by the {@link PreferenceManager} to dispatch the activity destroy
      * event.
      */
 	static void dispatchActivityDestroy(PreferenceManager manager) {
 		try {
 			Method m = PreferenceManager.class.getDeclaredMethod("dispatchActivityDestroy");
 			m.setAccessible(true);
 			m.invoke(manager);
 		} catch (Exception e) {
 			Log.w(TAG, "Couldn't call PreferenceManager.dispatchActivityDestroy by reflection", e);
 		}
 	}
 	/**
      * Sets the root of the preference hierarchy.
      *
      * @param preferenceScreen The root {@link PreferenceScreen} of the preference hierarchy.
      * @return Whether the {@link PreferenceScreen} given is different than the previous.
      */
 	static boolean setPreferences(PreferenceManager manager, PreferenceScreen screen) {
 		try {
 			Method m = PreferenceManager.class.getDeclaredMethod("setPreferences", PreferenceScreen.class);
 			m.setAccessible(true);
 			return ((Boolean) m.invoke(manager, screen));
 		} catch (Exception e) {
 			Log.w(TAG, "Couldn't call PreferenceManager.setPreferences by reflection", e);
 		}
 		return false;
 	}
 }

The Tor Browser / annotate

mobile/android/base/background/preferences/PreferenceManagerCompat.java@6474c204b198 (annotated)

mobile/android/base/background/preferences/PreferenceManagerCompat.java