java/com/android/dialer/callcomposer/CameraComposerFragment.java - LeafOS-Project/android_packages_apps_Dialer - Gitiles

 /*
  * 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;

 import android.Manifest;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.graphics.drawable.Animatable;
 import android.hardware.Camera.CameraInfo;
 import android.net.Uri;
 import android.os.Bundle;
 import android.provider.Settings;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
 import android.view.animation.AlphaAnimation;
 import android.view.animation.Animation;
 import android.view.animation.AnimationSet;
 import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.ProgressBar;
 import android.widget.TextView;
 import android.widget.Toast;
 import com.android.dialer.callcomposer.camera.CameraManager;
 import com.android.dialer.callcomposer.camera.CameraManager.CameraManagerListener;
 import com.android.dialer.callcomposer.camera.CameraManager.MediaCallback;
 import com.android.dialer.callcomposer.camera.CameraPreview.CameraPreviewHost;
 import com.android.dialer.callcomposer.camera.camerafocus.RenderOverlay;
 import com.android.dialer.callcomposer.cameraui.CameraMediaChooserView;
 import com.android.dialer.common.Assert;
 import com.android.dialer.common.LogUtil;
 import com.android.dialer.logging.DialerImpression;
 import com.android.dialer.logging.Logger;
 import com.android.dialer.theme.base.ThemeComponent;
 import com.android.dialer.util.PermissionsUtil;

 /** Fragment used to compose call with image from the user's camera. */
 public class CameraComposerFragment extends CallComposerFragment
     implements CameraManagerListener, OnClickListener, CameraManager.MediaCallback {

   private static final String CAMERA_DIRECTION_KEY = "camera_direction";
   private static final String CAMERA_URI_KEY = "camera_key";

   private View permissionView;
   private ImageButton exitFullscreen;
   private ImageButton fullscreen;
   private ImageButton swapCamera;
   private ImageButton capture;
   private ImageButton cancel;
   private CameraMediaChooserView cameraView;
   private RenderOverlay focus;
   private View shutter;
   private View allowPermission;
   private CameraPreviewHost preview;
   private ProgressBar loading;
   private ImageView previewImageView;

   private Uri cameraUri;
   private boolean processingUri;
   private String[] permissions = new String[] {Manifest.permission.CAMERA};
   private CameraUriCallback uriCallback;
   private int cameraDirection = CameraInfo.CAMERA_FACING_BACK;

   public static CameraComposerFragment newInstance() {
     return new CameraComposerFragment();
   }

   @Nullable
   @Override
   public View onCreateView(
       LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle bundle) {
     View root = inflater.inflate(R.layout.fragment_camera_composer, container, false);
     permissionView = root.findViewById(R.id.permission_view);
     loading = root.findViewById(R.id.loading);
     cameraView = root.findViewById(R.id.camera_view);
     shutter = cameraView.findViewById(R.id.camera_shutter_visual);
     exitFullscreen = cameraView.findViewById(R.id.camera_exit_fullscreen);
     fullscreen = cameraView.findViewById(R.id.camera_fullscreen);
     swapCamera = cameraView.findViewById(R.id.swap_camera_button);
     capture = cameraView.findViewById(R.id.camera_capture_button);
     cancel = cameraView.findViewById(R.id.camera_cancel_button);
     focus = cameraView.findViewById(R.id.focus_visual);
     preview = cameraView.findViewById(R.id.camera_preview);
     previewImageView = root.findViewById(R.id.preview_image_view);

     exitFullscreen.setOnClickListener(this);
     fullscreen.setOnClickListener(this);
     swapCamera.setOnClickListener(this);
     capture.setOnClickListener(this);
     cancel.setOnClickListener(this);


     if (!PermissionsUtil.hasCameraPermissions(getContext())) {
       LogUtil.i("CameraComposerFragment.onCreateView", "Permission view shown.");
       Logger.get(getContext()).logImpression(DialerImpression.Type.CAMERA_PERMISSION_DISPLAYED);
       ImageView permissionImage = permissionView.findViewById(R.id.permission_icon);
       TextView permissionText = permissionView.findViewById(R.id.permission_text);
       allowPermission = permissionView.findViewById(R.id.allow);

       allowPermission.setOnClickListener(this);
       permissionText.setText(R.string.camera_permission_text);
       permissionImage.setImageResource(R.drawable.quantum_ic_camera_vd_theme_24);
       permissionImage.setColorFilter(ThemeComponent.get(getContext()).theme().getColorPrimary());
       permissionView.setVisibility(View.VISIBLE);
     } else {
       if (bundle != null) {
         cameraDirection = bundle.getInt(CAMERA_DIRECTION_KEY);
         cameraUri = bundle.getParcelable(CAMERA_URI_KEY);
       }
       setupCamera();
     }
     return root;
   }

   private void setupCamera() {
     if (!PermissionsUtil.hasCameraPrivacyToastShown(getContext())) {
       PermissionsUtil.showCameraPermissionToast(getContext());
     }
     CameraManager.get().setListener(this);
     preview.setShown();
     CameraManager.get().setRenderOverlay(focus);
     CameraManager.get().selectCamera(cameraDirection);
     setCameraUri(cameraUri);
   }

   @Override
   public void onCameraError(int errorCode, Exception exception) {
     LogUtil.e("CameraComposerFragment.onCameraError", "errorCode: ", errorCode, exception);
   }

   @Override
   public void onCameraChanged() {
     updateViewState();
   }

   @Override
   public boolean shouldHide() {
     return !processingUri && cameraUri == null;
   }

   @Override
   public void clearComposer() {
     processingUri = false;
     setCameraUri(null);
   }

   @Override
   public void onClick(View view) {
     if (view == capture) {
       float heightPercent = 1;
       if (!getListener().isFullscreen() && !getListener().isLandscapeLayout()) {
         heightPercent = Math.min((float) cameraView.getHeight() / preview.getView().getHeight(), 1);
       }

       showShutterEffect(shutter);
       processingUri = true;
       setCameraUri(null);
       focus.getPieRenderer().clear();
       CameraManager.get().takePicture(heightPercent, this);
     } else if (view == swapCamera) {
       ((Animatable) swapCamera.getDrawable()).start();
       CameraManager.get().swapCamera();
       cameraDirection = CameraManager.get().getCameraInfo().facing;
     } else if (view == cancel) {
       clearComposer();
     } else if (view == exitFullscreen) {
       getListener().showFullscreen(false);
       fullscreen.setVisibility(View.VISIBLE);
       exitFullscreen.setVisibility(View.GONE);
     } else if (view == fullscreen) {
       getListener().showFullscreen(true);
       fullscreen.setVisibility(View.GONE);
       exitFullscreen.setVisibility(View.VISIBLE);
     } else if (view == allowPermission) {
       // Checks to see if the user has permanently denied this permission. If this is the first
       // time seeing this permission or they only pressed deny previously, they will see the
       // permission request. If they permanently denied the permission, they will be sent to Dialer
       // settings in order enable the permission.
       if (PermissionsUtil.isFirstRequest(getContext(), permissions[0])
           || shouldShowRequestPermissionRationale(permissions[0])) {
         Logger.get(getContext()).logImpression(DialerImpression.Type.CAMERA_PERMISSION_REQUESTED);
         LogUtil.i("CameraComposerFragment.onClick", "Camera permission requested.");
         requestPermissions(permissions, CAMERA_PERMISSION);
       } else {
         Logger.get(getContext()).logImpression(DialerImpression.Type.CAMERA_PERMISSION_SETTINGS);
         LogUtil.i("CameraComposerFragment.onClick", "Settings opened to enable permission.");
         Intent intent = new Intent(Intent.ACTION_VIEW);
         intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
         intent.setData(Uri.parse("package:" + getContext().getPackageName()));
         startActivity(intent);
       }
     }
   }

   /**
    * Called by {@link com.android.dialer.callcomposer.camera.ImagePersistTask} when the image is
    * finished being cropped and stored on the device.
    */
   @Override
   public void onMediaReady(Uri uri, String contentType, int width, int height) {
     if (processingUri) {
       processingUri = false;
       setCameraUri(uri);
       // If the user needed the URI before it was ready, uriCallback will be set and we should
       // send the URI to them ASAP.
       if (uriCallback != null) {
         uriCallback.uriReady(uri);
         uriCallback = null;
       }
     } else {
       updateViewState();
     }
   }

   /**
    * Called by {@link com.android.dialer.callcomposer.camera.ImagePersistTask} when the image failed
    * to crop or be stored on the device.
    */
   @Override
   public void onMediaFailed(Exception exception) {
     LogUtil.e("CallComposerFragment.onMediaFailed", null, exception);
     Toast.makeText(getContext(), R.string.camera_media_failure, Toast.LENGTH_LONG).show();
     setCameraUri(null);
     processingUri = false;
     if (uriCallback != null) {
       loading.setVisibility(View.GONE);
       uriCallback = null;
     }
   }

   /**
    * Usually called by {@link CameraManager} if the user does something to interrupt the picture
    * while it's being taken (like switching the camera).
    */
   @Override
   public void onMediaInfo(int what) {
     if (what == MediaCallback.MEDIA_NO_DATA) {
       Toast.makeText(getContext(), R.string.camera_media_failure, Toast.LENGTH_LONG).show();
     }
     setCameraUri(null);
     processingUri = false;
   }

   @Override
   public void onDestroy() {
     super.onDestroy();
     CameraManager.get().setListener(null);
   }

   private void showShutterEffect(final View shutterVisual) {
     float maxAlpha = .7f;
     int animationDurationMillis = 100;

     AnimationSet animation = new AnimationSet(false /* shareInterpolator */);
     Animation alphaInAnimation = new AlphaAnimation(0.0f, maxAlpha);
     alphaInAnimation.setDuration(animationDurationMillis);
     animation.addAnimation(alphaInAnimation);

     Animation alphaOutAnimation = new AlphaAnimation(maxAlpha, 0.0f);
     alphaOutAnimation.setStartOffset(animationDurationMillis);
     alphaOutAnimation.setDuration(animationDurationMillis);
     animation.addAnimation(alphaOutAnimation);

     animation.setAnimationListener(
         new Animation.AnimationListener() {
           @Override
           public void onAnimationStart(Animation animation) {
             shutterVisual.setVisibility(View.VISIBLE);
           }

           @Override
           public void onAnimationEnd(Animation animation) {
             shutterVisual.setVisibility(View.GONE);
           }

           @Override
           public void onAnimationRepeat(Animation animation) {}
         });
     shutterVisual.startAnimation(animation);
   }

   @NonNull
   public String getMimeType() {
     return "image/jpeg";
   }

   private void setCameraUri(Uri uri) {
     cameraUri = uri;
     // It's possible that if the user takes a picture and press back very quickly, the activity will
     // no longer be alive and when the image cropping process completes, so we need to check that
     // activity is still alive before trying to invoke it.
     if (getListener() != null) {
       updateViewState();
       getListener().composeCall(this);
     }
   }

   @Override
   public void onResume() {
     super.onResume();
     if (PermissionsUtil.hasCameraPermissions(getContext())) {
       permissionView.setVisibility(View.GONE);
       setupCamera();
     }
   }

   /** Updates the state of the buttons and overlays based on the current state of the view */
   private void updateViewState() {
     Assert.isNotNull(cameraView);
     if (isDetached() || getContext() == null) {
       LogUtil.i(
           "CameraComposerFragment.updateViewState", "Fragment detached, cannot update view state");
       return;
     }

     boolean isCameraAvailable = CameraManager.get().isCameraAvailable();
     boolean uriReadyOrProcessing = cameraUri != null || processingUri;

     if (cameraUri != null) {
       previewImageView.setImageURI(cameraUri);
       previewImageView.setVisibility(View.VISIBLE);
       previewImageView.setScaleX(cameraDirection == CameraInfo.CAMERA_FACING_FRONT ? -1 : 1);
     } else {
       previewImageView.setVisibility(View.GONE);
     }

     if (cameraDirection == CameraInfo.CAMERA_FACING_FRONT) {
       swapCamera.setContentDescription(getString(R.string.description_camera_switch_camera_rear));
     } else {
       swapCamera.setContentDescription(getString(R.string.description_camera_switch_camera_facing));
     }

     if (cameraUri == null && isCameraAvailable) {
       CameraManager.get().resetPreview();
       cancel.setVisibility(View.GONE);
     }

     if (!CameraManager.get().hasFrontAndBackCamera()) {
       swapCamera.setVisibility(View.GONE);
     } else {
       swapCamera.setVisibility(uriReadyOrProcessing ? View.GONE : View.VISIBLE);
     }

     capture.setVisibility(uriReadyOrProcessing ? View.GONE : View.VISIBLE);
     cancel.setVisibility(uriReadyOrProcessing ? View.VISIBLE : View.GONE);

     if (uriReadyOrProcessing || getListener().isLandscapeLayout()) {
       fullscreen.setVisibility(View.GONE);
       exitFullscreen.setVisibility(View.GONE);
     } else if (getListener().isFullscreen()) {
       exitFullscreen.setVisibility(View.VISIBLE);
       fullscreen.setVisibility(View.GONE);
     } else {
       exitFullscreen.setVisibility(View.GONE);
       fullscreen.setVisibility(View.VISIBLE);
     }

     swapCamera.setEnabled(isCameraAvailable);
     capture.setEnabled(isCameraAvailable);
   }

   @Override
   public void onSaveInstanceState(Bundle outState) {
     super.onSaveInstanceState(outState);
     outState.putInt(CAMERA_DIRECTION_KEY, cameraDirection);
     outState.putParcelable(CAMERA_URI_KEY, cameraUri);
   }

   @Override
   public void onRequestPermissionsResult(
       int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
     if (permissions.length > 0 && permissions[0].equals(this.permissions[0])) {
       PermissionsUtil.permissionRequested(getContext(), permissions[0]);
     }
     if (requestCode == CAMERA_PERMISSION
         && grantResults.length > 0
         && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
       Logger.get(getContext()).logImpression(DialerImpression.Type.CAMERA_PERMISSION_GRANTED);
       LogUtil.i("CameraComposerFragment.onRequestPermissionsResult", "Permission granted.");
       permissionView.setVisibility(View.GONE);
       PermissionsUtil.setCameraPrivacyToastShown(getContext());
       setupCamera();
     } else if (requestCode == CAMERA_PERMISSION) {
       Logger.get(getContext()).logImpression(DialerImpression.Type.CAMERA_PERMISSION_DENIED);
       LogUtil.i("CameraComposerFragment.onRequestPermissionsResult", "Permission denied.");
     }
   }

   public void getCameraUriWhenReady(CameraUriCallback callback) {
     if (processingUri) {
       loading.setVisibility(View.VISIBLE);
       uriCallback = callback;
     } else {
       callback.uriReady(cameraUri);
     }
   }

   /** Callback to let the caller know when the URI is ready. */
   public interface CameraUriCallback {
     void uriReady(Uri uri);
   }
 }
	/*
	* 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;

	import android.Manifest;
	import android.content.Intent;
	import android.content.pm.PackageManager;
	import android.graphics.drawable.Animatable;
	import android.hardware.Camera.CameraInfo;
	import android.net.Uri;
	import android.os.Bundle;
	import android.provider.Settings;
	import android.support.annotation.NonNull;
	import android.support.annotation.Nullable;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.View.OnClickListener;
	import android.view.ViewGroup;
	import android.view.animation.AlphaAnimation;
	import android.view.animation.Animation;
	import android.view.animation.AnimationSet;
	import android.widget.ImageButton;
	import android.widget.ImageView;
	import android.widget.ProgressBar;
	import android.widget.TextView;
	import android.widget.Toast;
	import com.android.dialer.callcomposer.camera.CameraManager;
	import com.android.dialer.callcomposer.camera.CameraManager.CameraManagerListener;
	import com.android.dialer.callcomposer.camera.CameraManager.MediaCallback;
	import com.android.dialer.callcomposer.camera.CameraPreview.CameraPreviewHost;
	import com.android.dialer.callcomposer.camera.camerafocus.RenderOverlay;
	import com.android.dialer.callcomposer.cameraui.CameraMediaChooserView;
	import com.android.dialer.common.Assert;
	import com.android.dialer.common.LogUtil;
	import com.android.dialer.logging.DialerImpression;
	import com.android.dialer.logging.Logger;
	import com.android.dialer.theme.base.ThemeComponent;
	import com.android.dialer.util.PermissionsUtil;

	/** Fragment used to compose call with image from the user's camera. */
	public class CameraComposerFragment extends CallComposerFragment
	implements CameraManagerListener, OnClickListener, CameraManager.MediaCallback {

	private static final String CAMERA_DIRECTION_KEY = "camera_direction";
	private static final String CAMERA_URI_KEY = "camera_key";

	private View permissionView;
	private ImageButton exitFullscreen;
	private ImageButton fullscreen;
	private ImageButton swapCamera;
	private ImageButton capture;
	private ImageButton cancel;
	private CameraMediaChooserView cameraView;
	private RenderOverlay focus;
	private View shutter;
	private View allowPermission;
	private CameraPreviewHost preview;
	private ProgressBar loading;
	private ImageView previewImageView;

	private Uri cameraUri;
	private boolean processingUri;
	private String[] permissions = new String[] {Manifest.permission.CAMERA};
	private CameraUriCallback uriCallback;
	private int cameraDirection = CameraInfo.CAMERA_FACING_BACK;

	public static CameraComposerFragment newInstance() {
	return new CameraComposerFragment();
	}

	@Nullable
	@Override
	public View onCreateView(
	LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle bundle) {
	View root = inflater.inflate(R.layout.fragment_camera_composer, container, false);
	permissionView = root.findViewById(R.id.permission_view);
	loading = root.findViewById(R.id.loading);
	cameraView = root.findViewById(R.id.camera_view);
	shutter = cameraView.findViewById(R.id.camera_shutter_visual);
	exitFullscreen = cameraView.findViewById(R.id.camera_exit_fullscreen);
	fullscreen = cameraView.findViewById(R.id.camera_fullscreen);
	swapCamera = cameraView.findViewById(R.id.swap_camera_button);
	capture = cameraView.findViewById(R.id.camera_capture_button);
	cancel = cameraView.findViewById(R.id.camera_cancel_button);
	focus = cameraView.findViewById(R.id.focus_visual);
	preview = cameraView.findViewById(R.id.camera_preview);
	previewImageView = root.findViewById(R.id.preview_image_view);

	exitFullscreen.setOnClickListener(this);
	fullscreen.setOnClickListener(this);
	swapCamera.setOnClickListener(this);
	capture.setOnClickListener(this);
	cancel.setOnClickListener(this);


	if (!PermissionsUtil.hasCameraPermissions(getContext())) {
	LogUtil.i("CameraComposerFragment.onCreateView", "Permission view shown.");
	Logger.get(getContext()).logImpression(DialerImpression.Type.CAMERA_PERMISSION_DISPLAYED);
	ImageView permissionImage = permissionView.findViewById(R.id.permission_icon);
	TextView permissionText = permissionView.findViewById(R.id.permission_text);
	allowPermission = permissionView.findViewById(R.id.allow);

	allowPermission.setOnClickListener(this);
	permissionText.setText(R.string.camera_permission_text);
	permissionImage.setImageResource(R.drawable.quantum_ic_camera_vd_theme_24);
	permissionImage.setColorFilter(ThemeComponent.get(getContext()).theme().getColorPrimary());
	permissionView.setVisibility(View.VISIBLE);
	} else {
	if (bundle != null) {
	cameraDirection = bundle.getInt(CAMERA_DIRECTION_KEY);
	cameraUri = bundle.getParcelable(CAMERA_URI_KEY);
	}
	setupCamera();
	}
	return root;
	}

	private void setupCamera() {
	if (!PermissionsUtil.hasCameraPrivacyToastShown(getContext())) {
	PermissionsUtil.showCameraPermissionToast(getContext());
	}
	CameraManager.get().setListener(this);
	preview.setShown();
	CameraManager.get().setRenderOverlay(focus);
	CameraManager.get().selectCamera(cameraDirection);
	setCameraUri(cameraUri);
	}

	@Override
	public void onCameraError(int errorCode, Exception exception) {
	LogUtil.e("CameraComposerFragment.onCameraError", "errorCode: ", errorCode, exception);
	}

	@Override
	public void onCameraChanged() {
	updateViewState();
	}

	@Override
	public boolean shouldHide() {
	return !processingUri && cameraUri == null;
	}

	@Override
	public void clearComposer() {
	processingUri = false;
	setCameraUri(null);
	}

	@Override
	public void onClick(View view) {
	if (view == capture) {
	float heightPercent = 1;
	if (!getListener().isFullscreen() && !getListener().isLandscapeLayout()) {
	heightPercent = Math.min((float) cameraView.getHeight() / preview.getView().getHeight(), 1);
	}

	showShutterEffect(shutter);
	processingUri = true;
	setCameraUri(null);
	focus.getPieRenderer().clear();
	CameraManager.get().takePicture(heightPercent, this);
	} else if (view == swapCamera) {
	((Animatable) swapCamera.getDrawable()).start();
	CameraManager.get().swapCamera();
	cameraDirection = CameraManager.get().getCameraInfo().facing;
	} else if (view == cancel) {
	clearComposer();
	} else if (view == exitFullscreen) {
	getListener().showFullscreen(false);
	fullscreen.setVisibility(View.VISIBLE);
	exitFullscreen.setVisibility(View.GONE);
	} else if (view == fullscreen) {
	getListener().showFullscreen(true);
	fullscreen.setVisibility(View.GONE);
	exitFullscreen.setVisibility(View.VISIBLE);
	} else if (view == allowPermission) {
	// Checks to see if the user has permanently denied this permission. If this is the first
	// time seeing this permission or they only pressed deny previously, they will see the
	// permission request. If they permanently denied the permission, they will be sent to Dialer
	// settings in order enable the permission.
	if (PermissionsUtil.isFirstRequest(getContext(), permissions[0])
	\|\| shouldShowRequestPermissionRationale(permissions[0])) {
	Logger.get(getContext()).logImpression(DialerImpression.Type.CAMERA_PERMISSION_REQUESTED);
	LogUtil.i("CameraComposerFragment.onClick", "Camera permission requested.");
	requestPermissions(permissions, CAMERA_PERMISSION);
	} else {
	Logger.get(getContext()).logImpression(DialerImpression.Type.CAMERA_PERMISSION_SETTINGS);
	LogUtil.i("CameraComposerFragment.onClick", "Settings opened to enable permission.");
	Intent intent = new Intent(Intent.ACTION_VIEW);
	intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
	intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
	intent.setData(Uri.parse("package:" + getContext().getPackageName()));
	startActivity(intent);
	}
	}
	}

	/**
	* Called by {@link com.android.dialer.callcomposer.camera.ImagePersistTask} when the image is
	* finished being cropped and stored on the device.
	*/
	@Override
	public void onMediaReady(Uri uri, String contentType, int width, int height) {
	if (processingUri) {
	processingUri = false;
	setCameraUri(uri);
	// If the user needed the URI before it was ready, uriCallback will be set and we should
	// send the URI to them ASAP.
	if (uriCallback != null) {
	uriCallback.uriReady(uri);
	uriCallback = null;
	}
	} else {
	updateViewState();
	}
	}

	/**
	* Called by {@link com.android.dialer.callcomposer.camera.ImagePersistTask} when the image failed
	* to crop or be stored on the device.
	*/
	@Override
	public void onMediaFailed(Exception exception) {
	LogUtil.e("CallComposerFragment.onMediaFailed", null, exception);
	Toast.makeText(getContext(), R.string.camera_media_failure, Toast.LENGTH_LONG).show();
	setCameraUri(null);
	processingUri = false;
	if (uriCallback != null) {
	loading.setVisibility(View.GONE);
	uriCallback = null;
	}
	}

	/**
	* Usually called by {@link CameraManager} if the user does something to interrupt the picture
	* while it's being taken (like switching the camera).
	*/
	@Override
	public void onMediaInfo(int what) {
	if (what == MediaCallback.MEDIA_NO_DATA) {
	Toast.makeText(getContext(), R.string.camera_media_failure, Toast.LENGTH_LONG).show();
	}
	setCameraUri(null);
	processingUri = false;
	}

	@Override
	public void onDestroy() {
	super.onDestroy();
	CameraManager.get().setListener(null);
	}

	private void showShutterEffect(final View shutterVisual) {
	float maxAlpha = .7f;
	int animationDurationMillis = 100;

	AnimationSet animation = new AnimationSet(false /* shareInterpolator */);
	Animation alphaInAnimation = new AlphaAnimation(0.0f, maxAlpha);
	alphaInAnimation.setDuration(animationDurationMillis);
	animation.addAnimation(alphaInAnimation);

	Animation alphaOutAnimation = new AlphaAnimation(maxAlpha, 0.0f);
	alphaOutAnimation.setStartOffset(animationDurationMillis);
	alphaOutAnimation.setDuration(animationDurationMillis);
	animation.addAnimation(alphaOutAnimation);

	animation.setAnimationListener(
	new Animation.AnimationListener() {
	@Override
	public void onAnimationStart(Animation animation) {
	shutterVisual.setVisibility(View.VISIBLE);
	}

	@Override
	public void onAnimationEnd(Animation animation) {
	shutterVisual.setVisibility(View.GONE);
	}

	@Override
	public void onAnimationRepeat(Animation animation) {}
	});
	shutterVisual.startAnimation(animation);
	}

	@NonNull
	public String getMimeType() {
	return "image/jpeg";
	}

	private void setCameraUri(Uri uri) {
	cameraUri = uri;
	// It's possible that if the user takes a picture and press back very quickly, the activity will
	// no longer be alive and when the image cropping process completes, so we need to check that
	// activity is still alive before trying to invoke it.
	if (getListener() != null) {
	updateViewState();
	getListener().composeCall(this);
	}
	}

	@Override
	public void onResume() {
	super.onResume();
	if (PermissionsUtil.hasCameraPermissions(getContext())) {
	permissionView.setVisibility(View.GONE);
	setupCamera();
	}
	}

	/** Updates the state of the buttons and overlays based on the current state of the view */
	private void updateViewState() {
	Assert.isNotNull(cameraView);
	if (isDetached() \|\| getContext() == null) {
	LogUtil.i(
	"CameraComposerFragment.updateViewState", "Fragment detached, cannot update view state");
	return;
	}

	boolean isCameraAvailable = CameraManager.get().isCameraAvailable();
	boolean uriReadyOrProcessing = cameraUri != null \|\| processingUri;

	if (cameraUri != null) {
	previewImageView.setImageURI(cameraUri);
	previewImageView.setVisibility(View.VISIBLE);
	previewImageView.setScaleX(cameraDirection == CameraInfo.CAMERA_FACING_FRONT ? -1 : 1);
	} else {
	previewImageView.setVisibility(View.GONE);
	}

	if (cameraDirection == CameraInfo.CAMERA_FACING_FRONT) {
	swapCamera.setContentDescription(getString(R.string.description_camera_switch_camera_rear));
	} else {
	swapCamera.setContentDescription(getString(R.string.description_camera_switch_camera_facing));
	}

	if (cameraUri == null && isCameraAvailable) {
	CameraManager.get().resetPreview();
	cancel.setVisibility(View.GONE);
	}

	if (!CameraManager.get().hasFrontAndBackCamera()) {
	swapCamera.setVisibility(View.GONE);
	} else {
	swapCamera.setVisibility(uriReadyOrProcessing ? View.GONE : View.VISIBLE);
	}

	capture.setVisibility(uriReadyOrProcessing ? View.GONE : View.VISIBLE);
	cancel.setVisibility(uriReadyOrProcessing ? View.VISIBLE : View.GONE);

	if (uriReadyOrProcessing \|\| getListener().isLandscapeLayout()) {
	fullscreen.setVisibility(View.GONE);
	exitFullscreen.setVisibility(View.GONE);
	} else if (getListener().isFullscreen()) {
	exitFullscreen.setVisibility(View.VISIBLE);
	fullscreen.setVisibility(View.GONE);
	} else {
	exitFullscreen.setVisibility(View.GONE);
	fullscreen.setVisibility(View.VISIBLE);
	}

	swapCamera.setEnabled(isCameraAvailable);
	capture.setEnabled(isCameraAvailable);
	}

	@Override
	public void onSaveInstanceState(Bundle outState) {
	super.onSaveInstanceState(outState);
	outState.putInt(CAMERA_DIRECTION_KEY, cameraDirection);
	outState.putParcelable(CAMERA_URI_KEY, cameraUri);
	}

	@Override
	public void onRequestPermissionsResult(
	int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
	if (permissions.length > 0 && permissions[0].equals(this.permissions[0])) {
	PermissionsUtil.permissionRequested(getContext(), permissions[0]);
	}
	if (requestCode == CAMERA_PERMISSION
	&& grantResults.length > 0
	&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
	Logger.get(getContext()).logImpression(DialerImpression.Type.CAMERA_PERMISSION_GRANTED);
	LogUtil.i("CameraComposerFragment.onRequestPermissionsResult", "Permission granted.");
	permissionView.setVisibility(View.GONE);
	PermissionsUtil.setCameraPrivacyToastShown(getContext());
	setupCamera();
	} else if (requestCode == CAMERA_PERMISSION) {
	Logger.get(getContext()).logImpression(DialerImpression.Type.CAMERA_PERMISSION_DENIED);
	LogUtil.i("CameraComposerFragment.onRequestPermissionsResult", "Permission denied.");
	}
	}

	public void getCameraUriWhenReady(CameraUriCallback callback) {
	if (processingUri) {
	loading.setVisibility(View.VISIBLE);
	uriCallback = callback;
	} else {
	callback.uriReady(cameraUri);
	}
	}

	/** Callback to let the caller know when the URI is ready. */
	public interface CameraUriCallback {
	void uriReady(Uri uri);
	}
	}