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/*
* Copyright (C) 2013 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.settingslib.users;
import android.app.Activity;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.Drawable;
import android.multiuser.Flags;
import android.net.Uri;
import android.util.Log;
import android.widget.ImageView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.android.internal.util.UserIcons;
import com.android.settingslib.drawable.CircleFramedDrawable;
import com.android.settingslib.utils.ThreadUtils;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.ListeningExecutorService;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* This class contains logic for starting activities to take/choose/crop photo, reads and transforms
* the result image.
*/
public class EditUserPhotoController {
private static final String TAG = "EditUserPhotoController";
// It seems that this class generates custom request codes and they may
// collide with ours, these values are very unlikely to have a conflict.
private static final int REQUEST_CODE_PICK_AVATAR = 1004;
private static final String IMAGES_DIR = "multi_user";
private static final String NEW_USER_PHOTO_FILE_NAME = "NewUserPhoto.png";
private static final String AVATAR_PICKER_ACTION = "com.android.avatarpicker"
+ ".FULL_SCREEN_ACTIVITY";
private final Activity mActivity;
private final ActivityStarter mActivityStarter;
private final ImageView mImageView;
private final String mFileAuthority;
private final ListeningExecutorService mExecutorService;
private final File mImagesDir;
private Bitmap mNewUserPhotoBitmap;
private Drawable mNewUserPhotoDrawable;
private String mCachedDrawablePath;
public EditUserPhotoController(Activity activity, ActivityStarter activityStarter,
ImageView view, Bitmap savedBitmap, Drawable savedDrawable, String fileAuthority) {
mActivity = activity;
mActivityStarter = activityStarter;
mFileAuthority = fileAuthority;
mImagesDir = new File(activity.getCacheDir(), IMAGES_DIR);
mImagesDir.mkdir();
mImageView = view;
mImageView.setOnClickListener(v -> showAvatarPicker());
mNewUserPhotoBitmap = savedBitmap;
mNewUserPhotoDrawable = savedDrawable;
mExecutorService = ThreadUtils.getBackgroundExecutor();
}
/**
* Handles activity result from containing activity/fragment after a take/choose/crop photo
* action result is received.
*/
public boolean onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode != Activity.RESULT_OK) {
return false;
}
if (requestCode == REQUEST_CODE_PICK_AVATAR) {
if (data.hasExtra(AvatarPickerActivity.EXTRA_DEFAULT_ICON_TINT_COLOR)) {
int tintColor =
data.getIntExtra(AvatarPickerActivity.EXTRA_DEFAULT_ICON_TINT_COLOR, -1);
onDefaultIconSelected(tintColor);
return true;
}
if (data.getData() != null) {
onPhotoCropped(data.getData());
return true;
}
}
return false;
}
public Drawable getNewUserPhotoDrawable() {
return mNewUserPhotoDrawable;
}
private void showAvatarPicker() {
Intent intent;
if (Flags.avatarSync()) {
intent = new Intent(AVATAR_PICKER_ACTION);
intent.addCategory(Intent.CATEGORY_DEFAULT);
} else {
intent = new Intent(mImageView.getContext(), AvatarPickerActivity.class);
}
intent.putExtra(AvatarPickerActivity.EXTRA_FILE_AUTHORITY, mFileAuthority);
mActivityStarter.startActivityForResult(intent, REQUEST_CODE_PICK_AVATAR);
}
private void onDefaultIconSelected(int tintColor) {
ListenableFuture<Bitmap> future = mExecutorService.submit(() -> {
Resources res = mActivity.getResources();
Drawable drawable =
UserIcons.getDefaultUserIconInColor(res, tintColor);
return UserIcons.convertToBitmapAtUserIconSize(res, drawable);
});
Futures.addCallback(future, new FutureCallback<>() {
@Override
public void onSuccess(@NonNull Bitmap result) {
onPhotoProcessed(result);
}
@Override
public void onFailure(Throwable t) {
Log.e(TAG, "Error processing default icon", t);
}
}, mImageView.getContext().getMainExecutor());
}
private void onPhotoCropped(final Uri data) {
ListenableFuture<Bitmap> future = mExecutorService.submit(() -> {
InputStream imageStream = null;
Bitmap bitmap = null;
try {
imageStream = mActivity.getContentResolver()
.openInputStream(data);
bitmap = BitmapFactory.decodeStream(imageStream);
} catch (FileNotFoundException fe) {
Log.w(TAG, "Cannot find image file", fe);
} finally {
if (imageStream != null) {
try {
imageStream.close();
} catch (IOException ioe) {
Log.w(TAG, "Cannot close image stream", ioe);
}
}
}
return bitmap;
});
Futures.addCallback(future, new FutureCallback<>() {
@Override
public void onSuccess(@Nullable Bitmap result) {
onPhotoProcessed(result);
}
@Override
public void onFailure(Throwable t) {}
}, mImageView.getContext().getMainExecutor());
}
private void onPhotoProcessed(@Nullable Bitmap bitmap) {
if (bitmap != null) {
mNewUserPhotoBitmap = bitmap;
var unused = mExecutorService.submit(() -> {
mCachedDrawablePath = saveNewUserPhotoBitmap().getPath();
});
mNewUserPhotoDrawable = CircleFramedDrawable
.getInstance(mImageView.getContext(), mNewUserPhotoBitmap);
mImageView.setImageDrawable(mNewUserPhotoDrawable);
}
}
File saveNewUserPhotoBitmap() {
if (mNewUserPhotoBitmap == null) {
return null;
}
try {
File file = new File(mImagesDir, NEW_USER_PHOTO_FILE_NAME);
OutputStream os = new FileOutputStream(file);
mNewUserPhotoBitmap.compress(Bitmap.CompressFormat.PNG, 100, os);
os.flush();
os.close();
return file;
} catch (IOException e) {
Log.e(TAG, "Cannot create temp file", e);
}
return null;
}
static Bitmap loadNewUserPhotoBitmap(File file) {
return BitmapFactory.decodeFile(file.getAbsolutePath());
}
void removeNewUserPhotoBitmapFile() {
new File(mImagesDir, NEW_USER_PHOTO_FILE_NAME).delete();
}
String getCachedDrawablePath() {
return mCachedDrawablePath;
}
}
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