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/*
* Copyright (C) 2016 The CyanogenMod 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 cyanogenmod.app;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.SdkConstant;
import android.content.Context;
import android.os.IBinder;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.UserHandle;
import android.util.Log;
/**
* Manages enabling/disabling Live lock screens as well as what Live lock screen to display when
* enabled.
*/
public class LiveLockScreenManager {
private static final String TAG = LiveLockScreenManager.class.getSimpleName();
private static ILiveLockScreenManager sService;
private static LiveLockScreenManager sInstance;
private Context mContext;
/**
* The {@link android.content.Intent} that must be declared as handled by the service.
*/
@SdkConstant(SdkConstant.SdkConstantType.SERVICE_ACTION)
public static final String SERVICE_INTERFACE
= "cyanogenmod.app.LiveLockScreenManagerService";
private LiveLockScreenManager(Context context) {
mContext = context;
sService = getService();
if (context.getPackageManager().hasSystemFeature(
CMContextConstants.Features.LIVE_LOCK_SCREEN) && sService == null) {
Log.wtf(TAG, "Unable to get LiveLockScreenManagerService. " +
"The service either crashed, was not started, or the interface has " +
"been called to early in SystemServer init");
}
}
private ILiveLockScreenManager getService() {
if (sService == null) {
IBinder b = ServiceManager.getService(CMContextConstants.CM_LIVE_LOCK_SCREEN_SERVICE);
if (b != null) {
sService = ILiveLockScreenManager.Stub.asInterface(b);
}
}
return sService;
}
private void logServiceException(Exception e) {
Log.w(TAG, "Unable to access LiveLockScreenServiceBroker", e);
}
public static LiveLockScreenManager getInstance(Context context) {
if (sInstance == null) {
sInstance = new LiveLockScreenManager(context);
}
return sInstance;
}
/**
* Requests a Live lock screen, defined in {@param lls}, to be displayed with the given id.
* @param id An identifier for this notification unique within your application.
* @param llsInfo A {@link LiveLockScreenInfo} object describing what Live lock screen to show
* the user.
* @return True if the Live lock screen was successfully received by the backing service
*/
public boolean show(int id, @NonNull final LiveLockScreenInfo llsInfo) {
int[] idOut = new int[1];
String pkg = mContext.getPackageName();
boolean success = true;
try {
sService.enqueueLiveLockScreen(pkg, id, llsInfo, idOut, UserHandle.myUserId());
if (id != idOut[0]) {
Log.w(TAG, "show: id corrupted: sent " + id + ", got back " + idOut[0]);
success = false;
}
} catch (RemoteException e) {
logServiceException(e);
success = false;
}
return success;
}
/**
* Cancels a previously shown Live lock screen.
* @param id An identifier for this notification unique within your application.
*/
public void cancel(int id) {
String pkg = mContext.getPackageName();
try {
sService.cancelLiveLockScreen(pkg, id, UserHandle.myUserId());
} catch (RemoteException e) {
logServiceException(e);
}
}
/**
* Sets the default Live lock screen to display when no other Live lock screens are queued
* up for display.
* <p>
* This is not available to third party applications.
* </p>
*/
public void setDefaultLiveLockScreen(@Nullable LiveLockScreenInfo llsInfo) {
try {
sService.setDefaultLiveLockScreen(llsInfo);
} catch (RemoteException e) {
logServiceException(e);
}
}
/**
* Gets the default Live lock screen that is displayed when no other Live lock screens are
* queued up for display.
* <p>
* This is not available to third party applications.
* </p>
*/
public LiveLockScreenInfo getDefaultLiveLockScreen() {
try {
return sService.getDefaultLiveLockScreen();
} catch (RemoteException e) {
logServiceException(e);
}
return null;
}
/** @hide */
public LiveLockScreenInfo getCurrentLiveLockScreen() {
LiveLockScreenInfo lls = null;
try {
lls = sService.getCurrentLiveLockScreen();
} catch (RemoteException e) {
logServiceException(e);
}
return lls;
}
/** @hide */
public boolean getLiveLockScreenEnabled() {
try {
return sService.getLiveLockScreenEnabled();
} catch (RemoteException e) {
logServiceException(e);
}
return false;
}
/** @hide */
public void setLiveLockScreenEnabled(boolean enabled) {
try {
sService.setLiveLockScreenEnabled(enabled);
} catch (RemoteException e) {
logServiceException(e);
}
}
}
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