Rabbit-R1/android (non root)/java/sources/com/journeyapps/barcodescanner/CameraPreview.java
2024-05-21 17:08:36 -04:00

840 lines
33 KiB
Java

package com.journeyapps.barcodescanner;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Matrix;
import android.graphics.Rect;
import android.graphics.SurfaceTexture;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Parcelable;
import android.util.AttributeSet;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.TextureView;
import android.view.ViewGroup;
import android.view.WindowManager;
import androidx.core.view.ViewCompat;
import com.google.zxing.client.android.R;
import com.journeyapps.barcodescanner.CameraPreview;
import com.journeyapps.barcodescanner.camera.CameraInstance;
import com.journeyapps.barcodescanner.camera.CameraParametersCallback;
import com.journeyapps.barcodescanner.camera.CameraSettings;
import com.journeyapps.barcodescanner.camera.CameraSurface;
import com.journeyapps.barcodescanner.camera.CenterCropStrategy;
import com.journeyapps.barcodescanner.camera.DisplayConfiguration;
import com.journeyapps.barcodescanner.camera.FitCenterStrategy;
import com.journeyapps.barcodescanner.camera.FitXYStrategy;
import com.journeyapps.barcodescanner.camera.PreviewScalingStrategy;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/* loaded from: classes3.dex */
public class CameraPreview extends ViewGroup {
private static final int ROTATION_LISTENER_DELAY_MS = 250;
private static final String TAG = "CameraPreview";
private CameraInstance cameraInstance;
private CameraSettings cameraSettings;
private Size containerSize;
private Size currentSurfaceSize;
private DisplayConfiguration displayConfiguration;
private final StateListener fireState;
private Rect framingRect;
private Size framingRectSize;
private double marginFraction;
private int openedOrientation;
private boolean previewActive;
private Rect previewFramingRect;
private PreviewScalingStrategy previewScalingStrategy;
private Size previewSize;
private RotationCallback rotationCallback;
private RotationListener rotationListener;
private final Handler.Callback stateCallback;
private Handler stateHandler;
private List<StateListener> stateListeners;
private final SurfaceHolder.Callback surfaceCallback;
private Rect surfaceRect;
private SurfaceView surfaceView;
private TextureView textureView;
private boolean torchOn;
private boolean useTextureView;
private WindowManager windowManager;
/* loaded from: classes3.dex */
public interface StateListener {
void cameraClosed();
void cameraError(Exception exc);
void previewSized();
void previewStarted();
void previewStopped();
}
public CameraInstance getCameraInstance() {
return this.cameraInstance;
}
public CameraSettings getCameraSettings() {
return this.cameraSettings;
}
public Rect getFramingRect() {
return this.framingRect;
}
public Size getFramingRectSize() {
return this.framingRectSize;
}
public double getMarginFraction() {
return this.marginFraction;
}
public Rect getPreviewFramingRect() {
return this.previewFramingRect;
}
public Size getPreviewSize() {
return this.previewSize;
}
protected boolean isActive() {
return this.cameraInstance != null;
}
public boolean isPreviewActive() {
return this.previewActive;
}
public boolean isUseTextureView() {
return this.useTextureView;
}
/* JADX INFO: Access modifiers changed from: protected */
public void previewStarted() {
}
public void setCameraSettings(CameraSettings cameraSettings) {
this.cameraSettings = cameraSettings;
}
public void setFramingRectSize(Size size) {
this.framingRectSize = size;
}
public void setPreviewScalingStrategy(PreviewScalingStrategy previewScalingStrategy) {
this.previewScalingStrategy = previewScalingStrategy;
}
public void setUseTextureView(boolean z) {
this.useTextureView = z;
}
private TextureView.SurfaceTextureListener surfaceTextureListener() {
return new TextureView.SurfaceTextureListener() { // from class: com.journeyapps.barcodescanner.CameraPreview.1
@Override // android.view.TextureView.SurfaceTextureListener
public boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture) {
return false;
}
@Override // android.view.TextureView.SurfaceTextureListener
public void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture) {
}
@Override // android.view.TextureView.SurfaceTextureListener
public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int i, int i2) {
onSurfaceTextureSizeChanged(surfaceTexture, i, i2);
}
@Override // android.view.TextureView.SurfaceTextureListener
public void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture, int i, int i2) {
CameraPreview.this.currentSurfaceSize = new Size(i, i2);
CameraPreview.this.startPreviewIfReady();
}
};
}
/* JADX INFO: Access modifiers changed from: package-private */
/* renamed from: com.journeyapps.barcodescanner.CameraPreview$4, reason: invalid class name */
/* loaded from: classes3.dex */
public class AnonymousClass4 implements RotationCallback {
AnonymousClass4() {
}
/* JADX INFO: Access modifiers changed from: package-private */
/* renamed from: lambda$onRotationChanged$0$com-journeyapps-barcodescanner-CameraPreview$4, reason: not valid java name */
public /* synthetic */ void m5587xa84c9589() {
CameraPreview.this.rotationChanged();
}
@Override // com.journeyapps.barcodescanner.RotationCallback
public void onRotationChanged(int i) {
CameraPreview.this.stateHandler.postDelayed(new Runnable() { // from class: com.journeyapps.barcodescanner.CameraPreview$4$$ExternalSyntheticLambda0
@Override // java.lang.Runnable
public final void run() {
CameraPreview.AnonymousClass4.this.m5587xa84c9589();
}
}, 250L);
}
}
public CameraPreview(Context context) {
super(context);
this.useTextureView = false;
this.previewActive = false;
this.openedOrientation = -1;
this.stateListeners = new ArrayList();
this.cameraSettings = new CameraSettings();
this.framingRect = null;
this.previewFramingRect = null;
this.framingRectSize = null;
this.marginFraction = 0.1d;
this.previewScalingStrategy = null;
this.torchOn = false;
this.surfaceCallback = new SurfaceHolder.Callback() { // from class: com.journeyapps.barcodescanner.CameraPreview.2
@Override // android.view.SurfaceHolder.Callback
public void surfaceCreated(SurfaceHolder surfaceHolder) {
}
@Override // android.view.SurfaceHolder.Callback
public void surfaceDestroyed(SurfaceHolder surfaceHolder) {
CameraPreview.this.currentSurfaceSize = null;
}
@Override // android.view.SurfaceHolder.Callback
public void surfaceChanged(SurfaceHolder surfaceHolder, int i, int i2, int i3) {
if (surfaceHolder != null) {
CameraPreview.this.currentSurfaceSize = new Size(i2, i3);
CameraPreview.this.startPreviewIfReady();
return;
}
Log.e(CameraPreview.TAG, "*** WARNING *** surfaceChanged() gave us a null surface!");
}
};
this.stateCallback = new Handler.Callback() { // from class: com.journeyapps.barcodescanner.CameraPreview.3
@Override // android.os.Handler.Callback
public boolean handleMessage(Message message) {
if (message.what == R.id.zxing_prewiew_size_ready) {
CameraPreview.this.previewSized((Size) message.obj);
return true;
}
if (message.what == R.id.zxing_camera_error) {
Exception exc = (Exception) message.obj;
if (!CameraPreview.this.isActive()) {
return false;
}
CameraPreview.this.pause();
CameraPreview.this.fireState.cameraError(exc);
return false;
}
if (message.what != R.id.zxing_camera_closed) {
return false;
}
CameraPreview.this.fireState.cameraClosed();
return false;
}
};
this.rotationCallback = new AnonymousClass4();
this.fireState = new StateListener() { // from class: com.journeyapps.barcodescanner.CameraPreview.5
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void previewSized() {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).previewSized();
}
}
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void previewStarted() {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).previewStarted();
}
}
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void previewStopped() {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).previewStopped();
}
}
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void cameraError(Exception exc) {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).cameraError(exc);
}
}
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void cameraClosed() {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).cameraClosed();
}
}
};
initialize(context, null, 0, 0);
}
public CameraPreview(Context context, AttributeSet attributeSet) {
super(context, attributeSet);
this.useTextureView = false;
this.previewActive = false;
this.openedOrientation = -1;
this.stateListeners = new ArrayList();
this.cameraSettings = new CameraSettings();
this.framingRect = null;
this.previewFramingRect = null;
this.framingRectSize = null;
this.marginFraction = 0.1d;
this.previewScalingStrategy = null;
this.torchOn = false;
this.surfaceCallback = new SurfaceHolder.Callback() { // from class: com.journeyapps.barcodescanner.CameraPreview.2
@Override // android.view.SurfaceHolder.Callback
public void surfaceCreated(SurfaceHolder surfaceHolder) {
}
@Override // android.view.SurfaceHolder.Callback
public void surfaceDestroyed(SurfaceHolder surfaceHolder) {
CameraPreview.this.currentSurfaceSize = null;
}
@Override // android.view.SurfaceHolder.Callback
public void surfaceChanged(SurfaceHolder surfaceHolder, int i, int i2, int i3) {
if (surfaceHolder != null) {
CameraPreview.this.currentSurfaceSize = new Size(i2, i3);
CameraPreview.this.startPreviewIfReady();
return;
}
Log.e(CameraPreview.TAG, "*** WARNING *** surfaceChanged() gave us a null surface!");
}
};
this.stateCallback = new Handler.Callback() { // from class: com.journeyapps.barcodescanner.CameraPreview.3
@Override // android.os.Handler.Callback
public boolean handleMessage(Message message) {
if (message.what == R.id.zxing_prewiew_size_ready) {
CameraPreview.this.previewSized((Size) message.obj);
return true;
}
if (message.what == R.id.zxing_camera_error) {
Exception exc = (Exception) message.obj;
if (!CameraPreview.this.isActive()) {
return false;
}
CameraPreview.this.pause();
CameraPreview.this.fireState.cameraError(exc);
return false;
}
if (message.what != R.id.zxing_camera_closed) {
return false;
}
CameraPreview.this.fireState.cameraClosed();
return false;
}
};
this.rotationCallback = new AnonymousClass4();
this.fireState = new StateListener() { // from class: com.journeyapps.barcodescanner.CameraPreview.5
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void previewSized() {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).previewSized();
}
}
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void previewStarted() {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).previewStarted();
}
}
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void previewStopped() {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).previewStopped();
}
}
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void cameraError(Exception exc) {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).cameraError(exc);
}
}
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void cameraClosed() {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).cameraClosed();
}
}
};
initialize(context, attributeSet, 0, 0);
}
public CameraPreview(Context context, AttributeSet attributeSet, int i) {
super(context, attributeSet, i);
this.useTextureView = false;
this.previewActive = false;
this.openedOrientation = -1;
this.stateListeners = new ArrayList();
this.cameraSettings = new CameraSettings();
this.framingRect = null;
this.previewFramingRect = null;
this.framingRectSize = null;
this.marginFraction = 0.1d;
this.previewScalingStrategy = null;
this.torchOn = false;
this.surfaceCallback = new SurfaceHolder.Callback() { // from class: com.journeyapps.barcodescanner.CameraPreview.2
@Override // android.view.SurfaceHolder.Callback
public void surfaceCreated(SurfaceHolder surfaceHolder) {
}
@Override // android.view.SurfaceHolder.Callback
public void surfaceDestroyed(SurfaceHolder surfaceHolder) {
CameraPreview.this.currentSurfaceSize = null;
}
@Override // android.view.SurfaceHolder.Callback
public void surfaceChanged(SurfaceHolder surfaceHolder, int i2, int i22, int i3) {
if (surfaceHolder != null) {
CameraPreview.this.currentSurfaceSize = new Size(i22, i3);
CameraPreview.this.startPreviewIfReady();
return;
}
Log.e(CameraPreview.TAG, "*** WARNING *** surfaceChanged() gave us a null surface!");
}
};
this.stateCallback = new Handler.Callback() { // from class: com.journeyapps.barcodescanner.CameraPreview.3
@Override // android.os.Handler.Callback
public boolean handleMessage(Message message) {
if (message.what == R.id.zxing_prewiew_size_ready) {
CameraPreview.this.previewSized((Size) message.obj);
return true;
}
if (message.what == R.id.zxing_camera_error) {
Exception exc = (Exception) message.obj;
if (!CameraPreview.this.isActive()) {
return false;
}
CameraPreview.this.pause();
CameraPreview.this.fireState.cameraError(exc);
return false;
}
if (message.what != R.id.zxing_camera_closed) {
return false;
}
CameraPreview.this.fireState.cameraClosed();
return false;
}
};
this.rotationCallback = new AnonymousClass4();
this.fireState = new StateListener() { // from class: com.journeyapps.barcodescanner.CameraPreview.5
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void previewSized() {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).previewSized();
}
}
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void previewStarted() {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).previewStarted();
}
}
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void previewStopped() {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).previewStopped();
}
}
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void cameraError(Exception exc) {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).cameraError(exc);
}
}
@Override // com.journeyapps.barcodescanner.CameraPreview.StateListener
public void cameraClosed() {
Iterator it = CameraPreview.this.stateListeners.iterator();
while (it.hasNext()) {
((StateListener) it.next()).cameraClosed();
}
}
};
initialize(context, attributeSet, i, 0);
}
private void initialize(Context context, AttributeSet attributeSet, int i, int i2) {
if (getBackground() == null) {
setBackgroundColor(ViewCompat.MEASURED_STATE_MASK);
}
initializeAttributes(attributeSet);
this.windowManager = (WindowManager) context.getSystemService("window");
this.stateHandler = new Handler(this.stateCallback);
this.rotationListener = new RotationListener();
}
@Override // android.view.ViewGroup, android.view.View
protected void onAttachedToWindow() {
super.onAttachedToWindow();
setupSurfaceView();
}
/* JADX INFO: Access modifiers changed from: protected */
public void initializeAttributes(AttributeSet attributeSet) {
TypedArray obtainStyledAttributes = getContext().obtainStyledAttributes(attributeSet, R.styleable.zxing_camera_preview);
int dimension = (int) obtainStyledAttributes.getDimension(R.styleable.zxing_camera_preview_zxing_framing_rect_width, -1.0f);
int dimension2 = (int) obtainStyledAttributes.getDimension(R.styleable.zxing_camera_preview_zxing_framing_rect_height, -1.0f);
if (dimension > 0 && dimension2 > 0) {
this.framingRectSize = new Size(dimension, dimension2);
}
this.useTextureView = obtainStyledAttributes.getBoolean(R.styleable.zxing_camera_preview_zxing_use_texture_view, true);
int integer = obtainStyledAttributes.getInteger(R.styleable.zxing_camera_preview_zxing_preview_scaling_strategy, -1);
if (integer == 1) {
this.previewScalingStrategy = new CenterCropStrategy();
} else if (integer == 2) {
this.previewScalingStrategy = new FitCenterStrategy();
} else if (integer == 3) {
this.previewScalingStrategy = new FitXYStrategy();
}
obtainStyledAttributes.recycle();
}
/* JADX INFO: Access modifiers changed from: private */
public void rotationChanged() {
if (!isActive() || getDisplayRotation() == this.openedOrientation) {
return;
}
pause();
resume();
}
private void setupSurfaceView() {
if (this.useTextureView) {
TextureView textureView = new TextureView(getContext());
this.textureView = textureView;
textureView.setSurfaceTextureListener(surfaceTextureListener());
addView(this.textureView);
return;
}
SurfaceView surfaceView = new SurfaceView(getContext());
this.surfaceView = surfaceView;
surfaceView.getHolder().addCallback(this.surfaceCallback);
addView(this.surfaceView);
}
public void addStateListener(StateListener stateListener) {
this.stateListeners.add(stateListener);
}
private void calculateFrames() {
Size size;
if (this.containerSize == null || (size = this.previewSize) == null || this.displayConfiguration == null) {
this.previewFramingRect = null;
this.framingRect = null;
this.surfaceRect = null;
throw new IllegalStateException("containerSize or previewSize is not set yet");
}
int i = size.width;
int i2 = this.previewSize.height;
int i3 = this.containerSize.width;
int i4 = this.containerSize.height;
Rect scalePreview = this.displayConfiguration.scalePreview(this.previewSize);
if (scalePreview.width() <= 0 || scalePreview.height() <= 0) {
return;
}
this.surfaceRect = scalePreview;
this.framingRect = calculateFramingRect(new Rect(0, 0, i3, i4), this.surfaceRect);
Rect rect = new Rect(this.framingRect);
rect.offset(-this.surfaceRect.left, -this.surfaceRect.top);
Rect rect2 = new Rect((rect.left * i) / this.surfaceRect.width(), (rect.top * i2) / this.surfaceRect.height(), (rect.right * i) / this.surfaceRect.width(), (rect.bottom * i2) / this.surfaceRect.height());
this.previewFramingRect = rect2;
if (rect2.width() <= 0 || this.previewFramingRect.height() <= 0) {
this.previewFramingRect = null;
this.framingRect = null;
Log.w(TAG, "Preview frame is too small");
return;
}
this.fireState.previewSized();
}
public void setTorch(boolean z) {
this.torchOn = z;
CameraInstance cameraInstance = this.cameraInstance;
if (cameraInstance != null) {
cameraInstance.setTorch(z);
}
}
public void changeCameraParameters(CameraParametersCallback cameraParametersCallback) {
CameraInstance cameraInstance = this.cameraInstance;
if (cameraInstance != null) {
cameraInstance.changeCameraParameters(cameraParametersCallback);
}
}
private void containerSized(Size size) {
this.containerSize = size;
CameraInstance cameraInstance = this.cameraInstance;
if (cameraInstance == null || cameraInstance.getDisplayConfiguration() != null) {
return;
}
DisplayConfiguration displayConfiguration = new DisplayConfiguration(getDisplayRotation(), size);
this.displayConfiguration = displayConfiguration;
displayConfiguration.setPreviewScalingStrategy(getPreviewScalingStrategy());
this.cameraInstance.setDisplayConfiguration(this.displayConfiguration);
this.cameraInstance.configureCamera();
boolean z = this.torchOn;
if (z) {
this.cameraInstance.setTorch(z);
}
}
public PreviewScalingStrategy getPreviewScalingStrategy() {
PreviewScalingStrategy previewScalingStrategy = this.previewScalingStrategy;
if (previewScalingStrategy != null) {
return previewScalingStrategy;
}
if (this.textureView != null) {
return new CenterCropStrategy();
}
return new FitCenterStrategy();
}
/* JADX INFO: Access modifiers changed from: private */
public void previewSized(Size size) {
this.previewSize = size;
if (this.containerSize != null) {
calculateFrames();
requestLayout();
startPreviewIfReady();
}
}
protected Matrix calculateTextureTransform(Size size, Size size2) {
float f;
float f2 = size.width / size.height;
float f3 = size2.width / size2.height;
float f4 = 1.0f;
if (f2 < f3) {
float f5 = f3 / f2;
f = 1.0f;
f4 = f5;
} else {
f = f2 / f3;
}
Matrix matrix = new Matrix();
matrix.setScale(f4, f);
matrix.postTranslate((size.width - (size.width * f4)) / 2.0f, (size.height - (size.height * f)) / 2.0f);
return matrix;
}
/* JADX INFO: Access modifiers changed from: private */
public void startPreviewIfReady() {
Size size = this.currentSurfaceSize;
if (size == null || this.previewSize == null || this.surfaceRect == null) {
return;
}
if (this.surfaceView != null && size.equals(new Size(this.surfaceRect.width(), this.surfaceRect.height()))) {
startCameraPreview(new CameraSurface(this.surfaceView.getHolder()));
return;
}
TextureView textureView = this.textureView;
if (textureView == null || textureView.getSurfaceTexture() == null) {
return;
}
if (this.previewSize != null) {
this.textureView.setTransform(calculateTextureTransform(new Size(this.textureView.getWidth(), this.textureView.getHeight()), this.previewSize));
}
startCameraPreview(new CameraSurface(this.textureView.getSurfaceTexture()));
}
@Override // android.view.ViewGroup, android.view.View
protected void onLayout(boolean z, int i, int i2, int i3, int i4) {
containerSized(new Size(i3 - i, i4 - i2));
SurfaceView surfaceView = this.surfaceView;
if (surfaceView == null) {
TextureView textureView = this.textureView;
if (textureView != null) {
textureView.layout(0, 0, getWidth(), getHeight());
return;
}
return;
}
Rect rect = this.surfaceRect;
if (rect == null) {
surfaceView.layout(0, 0, getWidth(), getHeight());
} else {
surfaceView.layout(rect.left, this.surfaceRect.top, this.surfaceRect.right, this.surfaceRect.bottom);
}
}
public void resume() {
Util.validateMainThread();
Log.d(TAG, "resume()");
initCamera();
if (this.currentSurfaceSize != null) {
startPreviewIfReady();
} else {
SurfaceView surfaceView = this.surfaceView;
if (surfaceView != null) {
surfaceView.getHolder().addCallback(this.surfaceCallback);
} else {
TextureView textureView = this.textureView;
if (textureView != null) {
if (textureView.isAvailable()) {
surfaceTextureListener().onSurfaceTextureAvailable(this.textureView.getSurfaceTexture(), this.textureView.getWidth(), this.textureView.getHeight());
} else {
this.textureView.setSurfaceTextureListener(surfaceTextureListener());
}
}
}
}
requestLayout();
this.rotationListener.listen(getContext(), this.rotationCallback);
}
public void pause() {
TextureView textureView;
SurfaceView surfaceView;
Util.validateMainThread();
Log.d(TAG, "pause()");
this.openedOrientation = -1;
CameraInstance cameraInstance = this.cameraInstance;
if (cameraInstance != null) {
cameraInstance.close();
this.cameraInstance = null;
this.previewActive = false;
} else {
this.stateHandler.sendEmptyMessage(R.id.zxing_camera_closed);
}
if (this.currentSurfaceSize == null && (surfaceView = this.surfaceView) != null) {
surfaceView.getHolder().removeCallback(this.surfaceCallback);
}
if (this.currentSurfaceSize == null && (textureView = this.textureView) != null) {
textureView.setSurfaceTextureListener(null);
}
this.containerSize = null;
this.previewSize = null;
this.previewFramingRect = null;
this.rotationListener.stop();
this.fireState.previewStopped();
}
public void pauseAndWait() {
CameraInstance cameraInstance = getCameraInstance();
pause();
long nanoTime = System.nanoTime();
while (cameraInstance != null && !cameraInstance.isCameraClosed() && System.nanoTime() - nanoTime <= 2000000000) {
try {
Thread.sleep(1L);
} catch (InterruptedException unused) {
return;
}
}
}
public void setMarginFraction(double d) {
if (d >= 0.5d) {
throw new IllegalArgumentException("The margin fraction must be less than 0.5");
}
this.marginFraction = d;
}
private int getDisplayRotation() {
return this.windowManager.getDefaultDisplay().getRotation();
}
private void initCamera() {
if (this.cameraInstance != null) {
Log.w(TAG, "initCamera called twice");
return;
}
CameraInstance createCameraInstance = createCameraInstance();
this.cameraInstance = createCameraInstance;
createCameraInstance.setReadyHandler(this.stateHandler);
this.cameraInstance.open();
this.openedOrientation = getDisplayRotation();
}
protected CameraInstance createCameraInstance() {
CameraInstance cameraInstance = new CameraInstance(getContext());
cameraInstance.setCameraSettings(this.cameraSettings);
return cameraInstance;
}
private void startCameraPreview(CameraSurface cameraSurface) {
if (this.previewActive || this.cameraInstance == null) {
return;
}
Log.i(TAG, "Starting preview");
this.cameraInstance.setSurface(cameraSurface);
this.cameraInstance.startPreview();
this.previewActive = true;
previewStarted();
this.fireState.previewStarted();
}
protected Rect calculateFramingRect(Rect rect, Rect rect2) {
Rect rect3 = new Rect(rect);
rect3.intersect(rect2);
if (this.framingRectSize != null) {
rect3.inset(Math.max(0, (rect3.width() - this.framingRectSize.width) / 2), Math.max(0, (rect3.height() - this.framingRectSize.height) / 2));
return rect3;
}
int min = (int) Math.min(rect3.width() * this.marginFraction, rect3.height() * this.marginFraction);
rect3.inset(min, min);
if (rect3.height() > rect3.width()) {
rect3.inset(0, (rect3.height() - rect3.width()) / 2);
}
return rect3;
}
@Override // android.view.View
protected Parcelable onSaveInstanceState() {
Parcelable onSaveInstanceState = super.onSaveInstanceState();
Bundle bundle = new Bundle();
bundle.putParcelable("super", onSaveInstanceState);
bundle.putBoolean("torch", this.torchOn);
return bundle;
}
@Override // android.view.View
protected void onRestoreInstanceState(Parcelable parcelable) {
if (!(parcelable instanceof Bundle)) {
super.onRestoreInstanceState(parcelable);
return;
}
Bundle bundle = (Bundle) parcelable;
super.onRestoreInstanceState(bundle.getParcelable("super"));
setTorch(bundle.getBoolean("torch"));
}
public boolean isCameraClosed() {
CameraInstance cameraInstance = this.cameraInstance;
return cameraInstance == null || cameraInstance.isCameraClosed();
}
}