| /* |
| * 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.camera; |
| |
| import android.view.KeyEvent; |
| import android.view.View; |
| |
| import com.android.camera.app.AppController; |
| import com.android.camera.app.CameraProvider; |
| import com.android.camera.app.CameraServices; |
| import com.android.camera.module.ModuleController; |
| |
| public abstract class CameraModule implements ModuleController { |
| /** Provides common services and functionality to the module. */ |
| private final CameraServices mServices; |
| private final CameraProvider mCameraProvider; |
| |
| public CameraModule(AppController app) { |
| mServices = app.getServices(); |
| mCameraProvider = app.getCameraProvider(); |
| } |
| |
| @Override |
| public boolean onBackPressed() { |
| return false; |
| } |
| |
| @Override |
| public void onPreviewVisibilityChanged(int visibility) { |
| // Do nothing. |
| } |
| |
| @Deprecated |
| public abstract boolean onKeyDown(int keyCode, KeyEvent event); |
| |
| @Deprecated |
| public abstract boolean onKeyUp(int keyCode, KeyEvent event); |
| |
| @Deprecated |
| public abstract void onSingleTapUp(View view, int x, int y); |
| |
| /** |
| * @return An instance containing common services to be used by the module. |
| */ |
| protected CameraServices getServices() { |
| return mServices; |
| } |
| |
| /** |
| * @return An instance used by the module to get the camera. |
| */ |
| protected CameraProvider getCameraProvider() { |
| return mCameraProvider; |
| } |
| |
| /** |
| * Requests the back camera through {@link CameraProvider}. |
| * This calls {@link |
| * com.android.camera.app.CameraProvider#requestCamera(int)}. The camera |
| * will be returned through {@link |
| * #onCameraAvailable(com.android.camera.app.CameraManager.CameraProxy)} |
| * when it's available. This is a no-op when there's no back camera |
| * available. |
| */ |
| protected void requestBackCamera() { |
| int backCameraId = mCameraProvider.getFirstBackCameraId(); |
| if (backCameraId != -1) { |
| mCameraProvider.requestCamera(backCameraId); |
| } |
| } |
| |
| @Override |
| public void onPreviewInitialDataReceived() {}; |
| |
| /** |
| * Releases the back camera through {@link CameraProvider}. |
| * This calls {@link |
| * com.android.camera.app.CameraProvider#releaseCamera(int)}. |
| * This is a no-op when there's no back camera available. |
| */ |
| protected void releaseBackCamera() { |
| int backCameraId = mCameraProvider.getFirstBackCameraId(); |
| if (backCameraId != -1) { |
| mCameraProvider.releaseCamera(backCameraId); |
| } |
| } |
| } |