| /* |
| * 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.annotation.NonNull; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.provider.Settings; |
| import android.util.Log; |
| |
| import java.util.ArrayList; |
| import java.util.Set; |
| |
| /** |
| * 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 { |
| if (mVoiceInteractionManagerService != null) { |
| return mVoiceInteractionManagerService.showSessionForActiveService(args, |
| sourceFlags, showCallback, activityToken); |
| } |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed to call showSessionForActiveService", e); |
| } |
| return false; |
| } |
| |
| /** |
| * Checks the availability of a set of voice actions for the current active voice service. |
| * |
| * @param voiceActions A set of supported voice actions to be checked. |
| * @param callback The callback which will deliver a set of supported voice actions. If |
| * no voice actions are supported for the given voice action set, then null |
| * or empty set is provided. |
| */ |
| public void getActiveServiceSupportedActions(@NonNull Set<String> voiceActions, |
| @NonNull IVoiceActionCheckCallback callback) { |
| try { |
| if (mVoiceInteractionManagerService != null) { |
| mVoiceInteractionManagerService |
| .getActiveServiceSupportedActions(new ArrayList<>(voiceActions), callback); |
| } |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed to call activeServiceSupportedActions", e); |
| try { |
| callback.onComplete(null); |
| } catch (RemoteException re) { |
| } |
| } |
| } |
| |
| public void launchVoiceAssistFromKeyguard() { |
| try { |
| if (mVoiceInteractionManagerService != null) { |
| 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 { |
| if (mVoiceInteractionManagerService != null) { |
| return mVoiceInteractionManagerService.getActiveServiceComponentName(); |
| } else { |
| return null; |
| } |
| } 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 { |
| if (mVoiceInteractionManagerService != null) { |
| mVoiceInteractionManagerService.hideCurrentSession(); |
| } |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed to call hideCurrentSession", e); |
| } |
| } |
| |
| public void onLockscreenShown() { |
| try { |
| if (mVoiceInteractionManagerService != null) { |
| mVoiceInteractionManagerService.onLockscreenShown(); |
| } |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed to call onLockscreenShown", e); |
| } |
| } |
| |
| public void registerVoiceInteractionSessionListener(IVoiceInteractionSessionListener listener) { |
| try { |
| if (mVoiceInteractionManagerService != null) { |
| mVoiceInteractionManagerService.registerVoiceInteractionSessionListener(listener); |
| } |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed to register voice interaction listener", 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); |
| } else { |
| return null; |
| } |
| } |
| |
| public static boolean isPreinstalledAssistant(Context context, ComponentName assistant) { |
| if (assistant == null) { |
| return false; |
| } |
| ApplicationInfo applicationInfo; |
| try { |
| applicationInfo = context.getPackageManager().getApplicationInfo( |
| assistant.getPackageName(), 0); |
| } catch (PackageManager.NameNotFoundException e) { |
| return false; |
| } |
| return applicationInfo.isSystemApp() || applicationInfo.isUpdatedSystemApp(); |
| } |
| |
| private static boolean isDisclosureEnabled(Context context) { |
| return Settings.Secure.getInt(context.getContentResolver(), |
| Settings.Secure.ASSIST_DISCLOSURE_ENABLED, 0) != 0; |
| } |
| |
| /** |
| * @return if the disclosure animation should trigger for the given assistant. |
| * |
| * Third-party assistants will always need to disclose, while the user can configure this for |
| * pre-installed assistants. |
| */ |
| public static boolean shouldDisclose(Context context, ComponentName assistant) { |
| if (!allowDisablingAssistDisclosure(context)) { |
| return true; |
| } |
| |
| return isDisclosureEnabled(context) || !isPreinstalledAssistant(context, assistant); |
| } |
| |
| public static boolean allowDisablingAssistDisclosure(Context context) { |
| return context.getResources().getBoolean( |
| com.android.internal.R.bool.config_allowDisablingAssistDisclosure); |
| } |
| } |