108 lines
4.0 KiB
Java
108 lines
4.0 KiB
Java
/*
|
|
* Copyright (C) 2016 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.dialer.callcomposer.cameraui;
|
|
|
|
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.dialer.callcomposer.camera.CameraManager;
|
|
import com.android.dialer.callcomposer.camera.HardwareCameraPreview;
|
|
import com.android.dialer.callcomposer.camera.SoftwareCameraPreview;
|
|
import com.android.dialer.common.LogUtil;
|
|
|
|
/** Used to display the view of the camera. */
|
|
public class CameraMediaChooserView extends FrameLayout {
|
|
private static final String STATE_CAMERA_INDEX = "camera_index";
|
|
private static final String STATE_SUPER = "super";
|
|
|
|
// True if we have at least queued an update to the view tree to support software rendering
|
|
// fallback
|
|
private boolean isSoftwareFallbackActive;
|
|
|
|
public CameraMediaChooserView(final Context context, final AttributeSet attrs) {
|
|
super(context, attrs);
|
|
}
|
|
|
|
@Override
|
|
protected Parcelable onSaveInstanceState() {
|
|
final Bundle bundle = new Bundle();
|
|
bundle.putParcelable(STATE_SUPER, super.onSaveInstanceState());
|
|
final int cameraIndex = CameraManager.get().getCameraIndex();
|
|
LogUtil.i("CameraMediaChooserView.onSaveInstanceState", "saving camera index:" + cameraIndex);
|
|
bundle.putInt(STATE_CAMERA_INDEX, cameraIndex);
|
|
return bundle;
|
|
}
|
|
|
|
@Override
|
|
protected void onRestoreInstanceState(final Parcelable state) {
|
|
if (!(state instanceof Bundle)) {
|
|
return;
|
|
}
|
|
|
|
final Bundle bundle = (Bundle) state;
|
|
final int cameraIndex = bundle.getInt(STATE_CAMERA_INDEX);
|
|
super.onRestoreInstanceState(bundle.getParcelable(STATE_SUPER));
|
|
|
|
LogUtil.i(
|
|
"CameraMediaChooserView.onRestoreInstanceState", "restoring camera index:" + cameraIndex);
|
|
if (cameraIndex != -1) {
|
|
CameraManager.get().selectCameraByIndex(cameraIndex);
|
|
} else {
|
|
resetState();
|
|
}
|
|
}
|
|
|
|
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() && !isSoftwareFallbackActive) {
|
|
isSoftwareFallbackActive = true;
|
|
// Post modifying the tree since we can't modify the view tree during a draw pass
|
|
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);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|