blob: 64c07b2ac7bf4c1bdc4f00f6b07564854cdc41df (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/*
* 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.messaging.ui.mediapicker;
import android.content.Context;
import android.graphics.Canvas;
import android.hardware.Camera;
import android.os.Bundle;
import android.os.Parcelable;
import android.util.AttributeSet;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import com.android.messaging.R;
import com.android.messaging.ui.PersistentInstanceState;
import com.android.messaging.util.ThreadUtil;
public class CameraMediaChooserView extends FrameLayout implements PersistentInstanceState {
private static final String KEY_CAMERA_INDEX = "camera_index";
// True if we have at least queued an update to the view tree to support software rendering
// fallback
private boolean mIsSoftwareFallbackActive;
public CameraMediaChooserView(final Context context, final AttributeSet attrs) {
super(context, attrs);
}
@Override
protected Parcelable onSaveInstanceState() {
final Bundle bundle = new Bundle();
bundle.putInt(KEY_CAMERA_INDEX, CameraManager.get().getCameraIndex());
return bundle;
}
@Override
protected void onRestoreInstanceState(final Parcelable state) {
if (!(state instanceof Bundle)) {
return;
}
final Bundle bundle = (Bundle) state;
CameraManager.get().selectCameraByIndex(bundle.getInt(KEY_CAMERA_INDEX));
}
@Override
public Parcelable saveState() {
return onSaveInstanceState();
}
@Override
public void restoreState(final Parcelable restoredState) {
onRestoreInstanceState(restoredState);
}
@Override
public void resetState() {
CameraManager.get().selectCamera(Camera.CameraInfo.CAMERA_FACING_BACK);
}
@Override
protected void onDraw(final Canvas canvas) {
super.onDraw(canvas);
// If the canvas isn't hardware accelerated, we have to replace the HardwareCameraPreview
// with a SoftwareCameraPreview which supports software rendering
if (!canvas.isHardwareAccelerated() && !mIsSoftwareFallbackActive) {
mIsSoftwareFallbackActive = true;
// Post modifying the tree since we can't modify the view tree during a draw pass
ThreadUtil.getMainThreadHandler().post(new Runnable() {
@Override
public void run() {
final HardwareCameraPreview cameraPreview =
(HardwareCameraPreview) findViewById(R.id.camera_preview);
if (cameraPreview == null) {
return;
}
final ViewGroup parent = ((ViewGroup) cameraPreview.getParent());
final int index = parent.indexOfChild(cameraPreview);
final SoftwareCameraPreview softwareCameraPreview =
new SoftwareCameraPreview(getContext());
// Be sure to remove the hardware view before adding the software view to
// prevent having 2 camera previews active at the same time
parent.removeView(cameraPreview);
parent.addView(softwareCameraPreview, index);
}
});
}
}
}
|
