1 /*
2  * Copyright (C) 2015 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 
17 package com.android.camera.captureintent.resource;
18 
19 import android.graphics.PointF;
20 import android.view.Surface;
21 
22 import com.android.camera.async.RefCountBase;
23 import com.android.camera.debug.Log;
24 import com.android.camera.device.CameraId;
25 import com.android.camera.one.OneCamera;
26 import com.android.camera.one.OneCameraCaptureSetting;
27 import com.android.camera.one.OneCameraCharacteristics;
28 import com.android.camera.util.Size;
29 
30 public final class ResourceOpenedCameraImpl implements ResourceOpenedCamera {
31     private static final Log.Tag TAG = new Log.Tag("ResOpenedCam");
32 
33     /** The camera object. */
34     private final OneCamera mCamera;
35 
36     /** The camera device key. */
37     private final CameraId mCameraId;
38 
39     /** The camera facing. */
40     private final OneCamera.Facing mCameraFacing;
41 
42     /** The camera characteristics. */
43     private final OneCameraCharacteristics mCameraCharacteristics;
44 
45     /** The desired picture size. */
46     private final Size mPictureSize;
47 
48     /** The current zoom ratio. */
49     private float mZoomRatio;
50 
51     private final OneCameraCaptureSetting mOneCameraCaptureSetting;
52 
53     /**
54      * Creates a reference counted {@link ResourceOpenedCameraImpl} object.
55      */
create( OneCamera camera, CameraId cameraId, OneCamera.Facing cameraFacing, OneCameraCharacteristics cameraCharacteristics, Size pictureSize, OneCameraCaptureSetting captureSetting)56     public static RefCountBase<ResourceOpenedCamera> create(
57             OneCamera camera,
58             CameraId cameraId,
59             OneCamera.Facing cameraFacing,
60             OneCameraCharacteristics cameraCharacteristics,
61             Size pictureSize,
62             OneCameraCaptureSetting captureSetting) {
63         ResourceOpenedCamera resourceOpenedCamera = new ResourceOpenedCameraImpl(
64                 camera, cameraId, cameraFacing, cameraCharacteristics, pictureSize, captureSetting);
65         return new RefCountBase<>(resourceOpenedCamera);
66     }
67 
ResourceOpenedCameraImpl( OneCamera camera, CameraId cameraId, OneCamera.Facing cameraFacing, OneCameraCharacteristics cameraCharacteristics, Size pictureSize, OneCameraCaptureSetting captureSetting)68     private ResourceOpenedCameraImpl(
69             OneCamera camera,
70             CameraId cameraId,
71             OneCamera.Facing cameraFacing,
72             OneCameraCharacteristics cameraCharacteristics,
73             Size pictureSize,
74             OneCameraCaptureSetting captureSetting) {
75         mCamera = camera;
76         mCameraId = cameraId;
77         mCameraFacing = cameraFacing;
78         mCameraCharacteristics = cameraCharacteristics;
79         mPictureSize = pictureSize;
80         mZoomRatio = mCamera.getMaxZoom();
81         mOneCameraCaptureSetting = captureSetting;
82     }
83 
84     @Override
close()85     public void close() {
86         Log.d(TAG, "close");
87         mCamera.setFocusStateListener(null);
88         mCamera.close();
89     }
90 
91     @Override
getCamera()92     public OneCamera getCamera() {
93         return mCamera;
94     }
95 
96     @Override
getCameraId()97     public CameraId getCameraId() {
98         return mCameraId;
99     }
100 
101     @Override
getCameraFacing()102     public OneCamera.Facing getCameraFacing() {
103         return mCameraFacing;
104     }
105 
106     @Override
getCameraCharacteristics()107     public OneCameraCharacteristics getCameraCharacteristics() {
108         return mCameraCharacteristics;
109     }
110 
111     @Override
getPictureSize()112     public Size getPictureSize() {
113         return mPictureSize;
114     }
115 
116     @Override
getCaptureSetting()117     public OneCameraCaptureSetting getCaptureSetting() {
118         return mOneCameraCaptureSetting;
119     }
120 
121     @Override
getZoomRatio()122     public float getZoomRatio() {
123         return mZoomRatio;
124     }
125 
126     @Override
setZoomRatio(float zoomRatio)127     public void setZoomRatio(float zoomRatio) {
128         mZoomRatio = zoomRatio;
129         mCamera.setZoom(zoomRatio);
130     }
131 
132     @Override
startPreview( Surface previewSurface, OneCamera.CaptureReadyCallback captureReadyCallback)133     public void startPreview(
134             Surface previewSurface, OneCamera.CaptureReadyCallback captureReadyCallback) {
135         mCamera.startPreview(previewSurface, captureReadyCallback);
136     }
137 
138     @Override
triggerFocusAndMeterAtPoint(PointF point)139     public void triggerFocusAndMeterAtPoint(PointF point) {
140         mCamera.triggerFocusAndMeterAtPoint(point.x, point.y);
141     }
142 }
143