+++ /dev/null
-/*
- * Copyright (C) 2012 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.settings;
-
-import static android.provider.Settings.Secure.SCREENSAVER_ACTIVATE_ON_DOCK;
-import static android.provider.Settings.Secure.SCREENSAVER_ACTIVATE_ON_SLEEP;
-import static android.provider.Settings.Secure.SCREENSAVER_ENABLED;
-
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
-import android.content.pm.PackageManager.NameNotFoundException;
-import android.content.pm.ServiceInfo;
-import android.content.res.Resources;
-import android.content.res.TypedArray;
-import android.content.res.XmlResourceParser;
-import android.graphics.drawable.Drawable;
-import android.os.RemoteException;
-import android.os.ServiceManager;
-import android.provider.Settings;
-import android.service.dreams.DreamService;
-import android.service.dreams.IDreamManager;
-import android.util.AttributeSet;
-import android.util.Log;
-import android.util.Xml;
-
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-
-public class DreamBackend {
- private static final String TAG = DreamSettings.class.getSimpleName() + ".Backend";
-
- public static class DreamInfo {
- CharSequence caption;
- Drawable icon;
- boolean isActive;
- public ComponentName componentName;
- public ComponentName settingsComponentName;
-
- @Override
- public String toString() {
- StringBuilder sb = new StringBuilder(DreamInfo.class.getSimpleName());
- sb.append('[').append(caption);
- if (isActive)
- sb.append(",active");
- sb.append(',').append(componentName);
- if (settingsComponentName != null)
- sb.append("settings=").append(settingsComponentName);
- return sb.append(']').toString();
- }
- }
-
- private final Context mContext;
- private final IDreamManager mDreamManager;
- private final DreamInfoComparator mComparator;
- private final boolean mDreamsEnabledByDefault;
- private final boolean mDreamsActivatedOnSleepByDefault;
- private final boolean mDreamsActivatedOnDockByDefault;
-
- public DreamBackend(Context context) {
- mContext = context;
- mDreamManager = IDreamManager.Stub.asInterface(
- ServiceManager.getService(DreamService.DREAM_SERVICE));
- mComparator = new DreamInfoComparator(getDefaultDream());
- mDreamsEnabledByDefault = context.getResources()
- .getBoolean(com.android.internal.R.bool.config_dreamsEnabledByDefault);
- mDreamsActivatedOnSleepByDefault = context.getResources()
- .getBoolean(com.android.internal.R.bool.config_dreamsActivatedOnSleepByDefault);
- mDreamsActivatedOnDockByDefault = context.getResources()
- .getBoolean(com.android.internal.R.bool.config_dreamsActivatedOnDockByDefault);
- }
-
- public List<DreamInfo> getDreamInfos() {
- logd("getDreamInfos()");
- ComponentName activeDream = getActiveDream();
- PackageManager pm = mContext.getPackageManager();
- Intent dreamIntent = new Intent(DreamService.SERVICE_INTERFACE);
- List<ResolveInfo> resolveInfos = pm.queryIntentServices(dreamIntent,
- PackageManager.GET_META_DATA);
- List<DreamInfo> dreamInfos = new ArrayList<DreamInfo>(resolveInfos.size());
- for (ResolveInfo resolveInfo : resolveInfos) {
- if (resolveInfo.serviceInfo == null)
- continue;
- DreamInfo dreamInfo = new DreamInfo();
- dreamInfo.caption = resolveInfo.loadLabel(pm);
- dreamInfo.icon = resolveInfo.loadIcon(pm);
- dreamInfo.componentName = getDreamComponentName(resolveInfo);
- dreamInfo.isActive = dreamInfo.componentName.equals(activeDream);
- dreamInfo.settingsComponentName = getSettingsComponentName(pm, resolveInfo);
- dreamInfos.add(dreamInfo);
- }
- Collections.sort(dreamInfos, mComparator);
- return dreamInfos;
- }
-
- public ComponentName getDefaultDream() {
- if (mDreamManager == null)
- return null;
- try {
- return mDreamManager.getDefaultDreamComponent();
- } catch (RemoteException e) {
- Log.w(TAG, "Failed to get default dream", e);
- return null;
- }
- }
-
- public CharSequence getActiveDreamName() {
- ComponentName cn = getActiveDream();
- if (cn != null) {
- PackageManager pm = mContext.getPackageManager();
- try {
- ServiceInfo ri = pm.getServiceInfo(cn, 0);
- if (ri != null) {
- return ri.loadLabel(pm);
- }
- } catch (PackageManager.NameNotFoundException exc) {
- return null; // uninstalled?
- }
- }
- return null;
- }
-
- public boolean isEnabled() {
- return getBoolean(SCREENSAVER_ENABLED, mDreamsEnabledByDefault);
- }
-
- public void setEnabled(boolean value) {
- logd("setEnabled(%s)", value);
- setBoolean(SCREENSAVER_ENABLED, value);
- }
-
- public boolean isActivatedOnDock() {
- return getBoolean(SCREENSAVER_ACTIVATE_ON_DOCK, mDreamsActivatedOnDockByDefault);
- }
-
- public void setActivatedOnDock(boolean value) {
- logd("setActivatedOnDock(%s)", value);
- setBoolean(SCREENSAVER_ACTIVATE_ON_DOCK, value);
- }
-
- public boolean isActivatedOnSleep() {
- return getBoolean(SCREENSAVER_ACTIVATE_ON_SLEEP, mDreamsActivatedOnSleepByDefault);
- }
-
- public void setActivatedOnSleep(boolean value) {
- logd("setActivatedOnSleep(%s)", value);
- setBoolean(SCREENSAVER_ACTIVATE_ON_SLEEP, value);
- }
-
- private boolean getBoolean(String key, boolean def) {
- return Settings.Secure.getInt(mContext.getContentResolver(), key, def ? 1 : 0) == 1;
- }
-
- private void setBoolean(String key, boolean value) {
- Settings.Secure.putInt(mContext.getContentResolver(), key, value ? 1 : 0);
- }
-
- public void setActiveDream(ComponentName dream) {
- logd("setActiveDream(%s)", dream);
- if (mDreamManager == null)
- return;
- try {
- ComponentName[] dreams = { dream };
- mDreamManager.setDreamComponents(dream == null ? null : dreams);
- } catch (RemoteException e) {
- Log.w(TAG, "Failed to set active dream to " + dream, e);
- }
- }
-
- public ComponentName getActiveDream() {
- if (mDreamManager == null)
- return null;
- try {
- ComponentName[] dreams = mDreamManager.getDreamComponents();
- return dreams != null && dreams.length > 0 ? dreams[0] : null;
- } catch (RemoteException e) {
- Log.w(TAG, "Failed to get active dream", e);
- return null;
- }
- }
-
- public void launchSettings(DreamInfo dreamInfo) {
- logd("launchSettings(%s)", dreamInfo);
- if (dreamInfo == null || dreamInfo.settingsComponentName == null)
- return;
- mContext.startActivity(new Intent().setComponent(dreamInfo.settingsComponentName));
- }
-
- public void preview(DreamInfo dreamInfo) {
- logd("preview(%s)", dreamInfo);
- if (mDreamManager == null || dreamInfo == null || dreamInfo.componentName == null)
- return;
- try {
- mDreamManager.testDream(dreamInfo.componentName);
- } catch (RemoteException e) {
- Log.w(TAG, "Failed to preview " + dreamInfo, e);
- }
- }
-
- public void startDreaming() {
- logd("startDreaming()");
- if (mDreamManager == null)
- return;
- try {
- mDreamManager.dream();
- } catch (RemoteException e) {
- Log.w(TAG, "Failed to dream", e);
- }
- }
-
- private static ComponentName getDreamComponentName(ResolveInfo resolveInfo) {
- if (resolveInfo == null || resolveInfo.serviceInfo == null)
- return null;
- return new ComponentName(resolveInfo.serviceInfo.packageName, resolveInfo.serviceInfo.name);
- }
-
- private static ComponentName getSettingsComponentName(PackageManager pm, ResolveInfo resolveInfo) {
- if (resolveInfo == null
- || resolveInfo.serviceInfo == null
- || resolveInfo.serviceInfo.metaData == null)
- return null;
- String cn = null;
- XmlResourceParser parser = null;
- Exception caughtException = null;
- try {
- parser = resolveInfo.serviceInfo.loadXmlMetaData(pm, DreamService.DREAM_META_DATA);
- if (parser == null) {
- Log.w(TAG, "No " + DreamService.DREAM_META_DATA + " meta-data");
- return null;
- }
- Resources res = pm.getResourcesForApplication(resolveInfo.serviceInfo.applicationInfo);
- AttributeSet attrs = Xml.asAttributeSet(parser);
- int type;
- while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
- && type != XmlPullParser.START_TAG) {
- }
- String nodeName = parser.getName();
- if (!"dream".equals(nodeName)) {
- Log.w(TAG, "Meta-data does not start with dream tag");
- return null;
- }
- TypedArray sa = res.obtainAttributes(attrs, com.android.internal.R.styleable.Dream);
- cn = sa.getString(com.android.internal.R.styleable.Dream_settingsActivity);
- sa.recycle();
- } catch (NameNotFoundException e) {
- caughtException = e;
- } catch (IOException e) {
- caughtException = e;
- } catch (XmlPullParserException e) {
- caughtException = e;
- } finally {
- if (parser != null) parser.close();
- }
- if (caughtException != null) {
- Log.w(TAG, "Error parsing : " + resolveInfo.serviceInfo.packageName, caughtException);
- return null;
- }
- if (cn != null && cn.indexOf('/') < 0) {
- cn = resolveInfo.serviceInfo.packageName + "/" + cn;
- }
- return cn == null ? null : ComponentName.unflattenFromString(cn);
- }
-
- private static void logd(String msg, Object... args) {
- if (DreamSettings.DEBUG)
- Log.d(TAG, args == null || args.length == 0 ? msg : String.format(msg, args));
- }
-
- private static class DreamInfoComparator implements Comparator<DreamInfo> {
- private final ComponentName mDefaultDream;
-
- public DreamInfoComparator(ComponentName defaultDream) {
- mDefaultDream = defaultDream;
- }
-
- @Override
- public int compare(DreamInfo lhs, DreamInfo rhs) {
- return sortKey(lhs).compareTo(sortKey(rhs));
- }
-
- private String sortKey(DreamInfo di) {
- StringBuilder sb = new StringBuilder();
- sb.append(di.componentName.equals(mDefaultDream) ? '0' : '1');
- sb.append(di.caption);
- return sb.toString();
- }
- }
-}
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