CameraModule.java revision 13e87c4d06e96e03adc229637f07baf3b56b90d6 
1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.camera;
18
19import android.content.Intent;
20import android.content.res.Configuration;
21import android.view.KeyEvent;
22import android.view.View;
23
24import com.android.camera.app.AppController;
25import com.android.camera.app.CameraProvider;
26import com.android.camera.app.CameraServices;
27import com.android.camera.app.MediaSaver;
28import com.android.camera.module.ModuleController;
29
30public abstract class CameraModule implements ModuleController {
31
32    /** Provides common services and functionality to the module. */
33    private final CameraServices mServices;
34    private final CameraProvider mCameraProvider;
35
36    public CameraModule(AppController app) {
37        mServices = app.getServices();
38        mCameraProvider = app.getCameraProvider();
39    }
40
41    @Deprecated
42    public abstract void onPreviewFocusChanged(boolean previewFocused);
43
44    @Override
45    public boolean onBackPressed() {
46        return false;
47    }
48
49    @Deprecated
50    public abstract boolean onKeyDown(int keyCode, KeyEvent event);
51
52    @Deprecated
53    public abstract boolean onKeyUp(int keyCode, KeyEvent event);
54
55    @Deprecated
56    public abstract void onSingleTapUp(View view, int x, int y);
57
58    @Deprecated
59    public abstract void onMediaSaverAvailable(MediaSaver s);
60
61    @Deprecated
62    public abstract boolean arePreviewControlsVisible();
63
64    /**
65     * @return An instance containing common services to be used by the module.
66     */
67    protected CameraServices getServices() {
68        return mServices;
69    }
70
71    /**
72     * @return An instance used by the module to get the camera.
73     */
74    protected CameraProvider getCameraProvider() {
75        return mCameraProvider;
76    }
77
78    /**
79     * Requests the back camera through {@link CameraProvider}.
80     * This calls {@link
81     * com.android.camera.app.CameraProvider#requestCamera(int)}. The camera
82     * will be returned through {@link
83     * #onCameraAvailable(com.android.camera.app.CameraManager.CameraProxy)}
84     * when it's available.
85     */
86    protected void requestBackCamera() {
87        mCameraProvider.requestCamera(mCameraProvider.getFirstBackCameraId());
88    }
89}
90