/*
|
* Copyright (C) 2006-2011 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 com.android.server.am;
|
|
import android.content.Context;
|
import android.database.ContentObserver;
|
import android.net.Uri;
|
import android.os.Bundle;
|
import android.provider.Settings;
|
|
import com.android.internal.annotations.VisibleForTesting;
|
|
import java.util.HashMap;
|
import java.util.Map;
|
|
/**
|
* Helper class for watching a set of core settings which the framework
|
* propagates to application processes to avoid multiple lookups and potentially
|
* disk I/O operations. Note: This class assumes that all core settings reside
|
* in {@link Settings.Secure}.
|
*/
|
final class CoreSettingsObserver extends ContentObserver {
|
private static final String LOG_TAG = CoreSettingsObserver.class.getSimpleName();
|
|
// mapping form property name to its type
|
@VisibleForTesting
|
static final Map<String, Class<?>> sSecureSettingToTypeMap = new HashMap<
|
String, Class<?>>();
|
@VisibleForTesting
|
static final Map<String, Class<?>> sSystemSettingToTypeMap = new HashMap<
|
String, Class<?>>();
|
@VisibleForTesting
|
static final Map<String, Class<?>> sGlobalSettingToTypeMap = new HashMap<
|
String, Class<?>>();
|
static {
|
sSecureSettingToTypeMap.put(Settings.Secure.LONG_PRESS_TIMEOUT, int.class);
|
sSecureSettingToTypeMap.put(Settings.Secure.MULTI_PRESS_TIMEOUT, int.class);
|
// add other secure settings here...
|
|
sSystemSettingToTypeMap.put(Settings.System.TIME_12_24, String.class);
|
// add other system settings here...
|
|
sGlobalSettingToTypeMap.put(Settings.Global.DEBUG_VIEW_ATTRIBUTES, int.class);
|
sGlobalSettingToTypeMap.put(
|
Settings.Global.DEBUG_VIEW_ATTRIBUTES_APPLICATION_PACKAGE, String.class);
|
sGlobalSettingToTypeMap.put(
|
Settings.Global.GLOBAL_SETTINGS_ANGLE_DEBUG_PACKAGE, String.class);
|
sGlobalSettingToTypeMap.put(
|
Settings.Global.GLOBAL_SETTINGS_ANGLE_GL_DRIVER_ALL_ANGLE, String.class);
|
sGlobalSettingToTypeMap.put(
|
Settings.Global.GLOBAL_SETTINGS_ANGLE_GL_DRIVER_SELECTION_PKGS, String.class);
|
sGlobalSettingToTypeMap.put(
|
Settings.Global.GLOBAL_SETTINGS_ANGLE_GL_DRIVER_SELECTION_VALUES, String.class);
|
sGlobalSettingToTypeMap.put(
|
Settings.Global.GLOBAL_SETTINGS_ANGLE_WHITELIST, String.class);
|
sGlobalSettingToTypeMap.put(
|
Settings.Global.GLOBAL_SETTINGS_SHOW_ANGLE_IN_USE_DIALOG_BOX, String.class);
|
sGlobalSettingToTypeMap.put(Settings.Global.ENABLE_GPU_DEBUG_LAYERS, int.class);
|
sGlobalSettingToTypeMap.put(Settings.Global.GPU_DEBUG_APP, String.class);
|
sGlobalSettingToTypeMap.put(Settings.Global.GPU_DEBUG_LAYERS, String.class);
|
sGlobalSettingToTypeMap.put(Settings.Global.GPU_DEBUG_LAYERS_GLES, String.class);
|
sGlobalSettingToTypeMap.put(Settings.Global.GPU_DEBUG_LAYER_APP, String.class);
|
sGlobalSettingToTypeMap.put(Settings.Global.GAME_DRIVER_ALL_APPS, int.class);
|
sGlobalSettingToTypeMap.put(Settings.Global.GAME_DRIVER_OPT_IN_APPS, String.class);
|
sGlobalSettingToTypeMap.put(
|
Settings.Global.GAME_DRIVER_PRERELEASE_OPT_IN_APPS, String.class);
|
sGlobalSettingToTypeMap.put(Settings.Global.GAME_DRIVER_OPT_OUT_APPS, String.class);
|
sGlobalSettingToTypeMap.put(Settings.Global.GAME_DRIVER_BLACKLIST, String.class);
|
sGlobalSettingToTypeMap.put(Settings.Global.GAME_DRIVER_WHITELIST, String.class);
|
sGlobalSettingToTypeMap.put(Settings.Global.GAME_DRIVER_BLACKLISTS, String.class);
|
sGlobalSettingToTypeMap.put(Settings.Global.GAME_DRIVER_SPHAL_LIBRARIES, String.class);
|
// add other global settings here...
|
}
|
|
private final Bundle mCoreSettings = new Bundle();
|
|
private final ActivityManagerService mActivityManagerService;
|
|
public CoreSettingsObserver(ActivityManagerService activityManagerService) {
|
super(activityManagerService.mHandler);
|
mActivityManagerService = activityManagerService;
|
beginObserveCoreSettings();
|
sendCoreSettings();
|
}
|
|
public Bundle getCoreSettingsLocked() {
|
return (Bundle) mCoreSettings.clone();
|
}
|
|
@Override
|
public void onChange(boolean selfChange) {
|
synchronized (mActivityManagerService) {
|
sendCoreSettings();
|
}
|
}
|
|
private void sendCoreSettings() {
|
populateSettings(mCoreSettings, sSecureSettingToTypeMap);
|
populateSettings(mCoreSettings, sSystemSettingToTypeMap);
|
populateSettings(mCoreSettings, sGlobalSettingToTypeMap);
|
mActivityManagerService.onCoreSettingsChange(mCoreSettings);
|
}
|
|
private void beginObserveCoreSettings() {
|
for (String setting : sSecureSettingToTypeMap.keySet()) {
|
Uri uri = Settings.Secure.getUriFor(setting);
|
mActivityManagerService.mContext.getContentResolver().registerContentObserver(
|
uri, false, this);
|
}
|
|
for (String setting : sSystemSettingToTypeMap.keySet()) {
|
Uri uri = Settings.System.getUriFor(setting);
|
mActivityManagerService.mContext.getContentResolver().registerContentObserver(
|
uri, false, this);
|
}
|
|
for (String setting : sGlobalSettingToTypeMap.keySet()) {
|
Uri uri = Settings.Global.getUriFor(setting);
|
mActivityManagerService.mContext.getContentResolver().registerContentObserver(
|
uri, false, this);
|
}
|
}
|
|
@VisibleForTesting
|
void populateSettings(Bundle snapshot, Map<String, Class<?>> map) {
|
Context context = mActivityManagerService.mContext;
|
for (Map.Entry<String, Class<?>> entry : map.entrySet()) {
|
String setting = entry.getKey();
|
final String value;
|
if (map == sSecureSettingToTypeMap) {
|
value = Settings.Secure.getString(context.getContentResolver(), setting);
|
} else if (map == sSystemSettingToTypeMap) {
|
value = Settings.System.getString(context.getContentResolver(), setting);
|
} else {
|
value = Settings.Global.getString(context.getContentResolver(), setting);
|
}
|
if (value == null) {
|
snapshot.remove(setting);
|
continue;
|
}
|
Class<?> type = entry.getValue();
|
if (type == String.class) {
|
snapshot.putString(setting, value);
|
} else if (type == int.class) {
|
snapshot.putInt(setting, Integer.parseInt(value));
|
} else if (type == float.class) {
|
snapshot.putFloat(setting, Float.parseFloat(value));
|
} else if (type == long.class) {
|
snapshot.putLong(setting, Long.parseLong(value));
|
}
|
}
|
}
|
}
|
