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/*
* Copyright (C) 2015 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.internal.app;
import android.app.SearchManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.provider.Settings;
import android.util.Log;
/**
* Utility method for dealing with the assistant aspects of
* {@link com.android.internal.app.IVoiceInteractionManagerService IVoiceInteractionManagerService}.
*/
public class AssistUtils {
private static final String TAG = "AssistUtils";
private final Context mContext;
private final IVoiceInteractionManagerService mVoiceInteractionManagerService;
public AssistUtils(Context context) {
mContext = context;
mVoiceInteractionManagerService = IVoiceInteractionManagerService.Stub.asInterface(
ServiceManager.getService(Context.VOICE_INTERACTION_MANAGER_SERVICE));
}
public boolean showSessionForActiveService(Bundle args, int sourceFlags,
IVoiceInteractionSessionShowCallback showCallback, IBinder activityToken) {
try {
return mVoiceInteractionManagerService.showSessionForActiveService(args, sourceFlags,
showCallback, activityToken);
} catch (RemoteException e) {
Log.w(TAG, "Failed to call showSessionForActiveService", e);
}
return false;
}
public void launchVoiceAssistFromKeyguard() {
try {
mVoiceInteractionManagerService.launchVoiceAssistFromKeyguard();
} catch (RemoteException e) {
Log.w(TAG, "Failed to call launchVoiceAssistFromKeyguard", e);
}
}
public boolean activeServiceSupportsAssistGesture() {
try {
return mVoiceInteractionManagerService != null
&& mVoiceInteractionManagerService.activeServiceSupportsAssist();
} catch (RemoteException e) {
Log.w(TAG, "Failed to call activeServiceSupportsAssistGesture", e);
return false;
}
}
public boolean activeServiceSupportsLaunchFromKeyguard() {
try {
return mVoiceInteractionManagerService != null
&& mVoiceInteractionManagerService.activeServiceSupportsLaunchFromKeyguard();
} catch (RemoteException e) {
Log.w(TAG, "Failed to call activeServiceSupportsLaunchFromKeyguard", e);
return false;
}
}
public ComponentName getActiveServiceComponentName() {
try {
return mVoiceInteractionManagerService.getActiveServiceComponentName();
} catch (RemoteException e) {
Log.w(TAG, "Failed to call getActiveServiceComponentName", e);
return null;
}
}
public boolean isSessionRunning() {
try {
return mVoiceInteractionManagerService != null
&& mVoiceInteractionManagerService.isSessionRunning();
} catch (RemoteException e) {
Log.w(TAG, "Failed to call isSessionRunning", e);
return false;
}
}
public void hideCurrentSession() {
try {
mVoiceInteractionManagerService.hideCurrentSession();
} catch (RemoteException e) {
Log.w(TAG, "Failed to call hideCurrentSession", e);
}
}
public ComponentName getAssistComponentForUser(int userId) {
final String setting = Settings.Secure.getStringForUser(mContext.getContentResolver(),
Settings.Secure.ASSISTANT, userId);
if (setting != null) {
return ComponentName.unflattenFromString(setting);
}
// Fallback to keep backward compatible behavior when there is no user setting.
if (activeServiceSupportsAssistGesture()) {
return getActiveServiceComponentName();
}
Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
.getAssistIntent(false);
PackageManager pm = mContext.getPackageManager();
ResolveInfo info = pm.resolveActivityAsUser(intent, PackageManager.MATCH_DEFAULT_ONLY,
userId);
if (info != null) {
return new ComponentName(info.activityInfo.applicationInfo.packageName,
info.activityInfo.name);
}
return null;
}
}
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