1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settingslib.users; 18 19 import android.app.Activity; 20 import android.content.Intent; 21 import android.content.res.Resources; 22 import android.graphics.Bitmap; 23 import android.graphics.BitmapFactory; 24 import android.graphics.drawable.Drawable; 25 import android.net.Uri; 26 import android.util.Log; 27 import android.widget.ImageView; 28 29 import com.android.internal.util.UserIcons; 30 import com.android.settingslib.drawable.CircleFramedDrawable; 31 import com.android.settingslib.utils.ThreadUtils; 32 33 import java.io.File; 34 import java.io.FileNotFoundException; 35 import java.io.FileOutputStream; 36 import java.io.IOException; 37 import java.io.InputStream; 38 import java.io.OutputStream; 39 import java.util.concurrent.ExecutionException; 40 41 /** 42 * This class contains logic for starting activities to take/choose/crop photo, reads and transforms 43 * the result image. 44 */ 45 public class EditUserPhotoController { 46 private static final String TAG = "EditUserPhotoController"; 47 48 // It seems that this class generates custom request codes and they may 49 // collide with ours, these values are very unlikely to have a conflict. 50 private static final int REQUEST_CODE_PICK_AVATAR = 1004; 51 52 private static final String IMAGES_DIR = "multi_user"; 53 private static final String NEW_USER_PHOTO_FILE_NAME = "NewUserPhoto.png"; 54 55 private final Activity mActivity; 56 private final ActivityStarter mActivityStarter; 57 private final ImageView mImageView; 58 private final String mFileAuthority; 59 60 private final File mImagesDir; 61 private Bitmap mNewUserPhotoBitmap; 62 private Drawable mNewUserPhotoDrawable; 63 EditUserPhotoController(Activity activity, ActivityStarter activityStarter, ImageView view, Bitmap savedBitmap, Drawable savedDrawable, String fileAuthority)64 public EditUserPhotoController(Activity activity, ActivityStarter activityStarter, 65 ImageView view, Bitmap savedBitmap, Drawable savedDrawable, String fileAuthority) { 66 mActivity = activity; 67 mActivityStarter = activityStarter; 68 mFileAuthority = fileAuthority; 69 70 mImagesDir = new File(activity.getCacheDir(), IMAGES_DIR); 71 mImagesDir.mkdir(); 72 mImageView = view; 73 mImageView.setOnClickListener(v -> showAvatarPicker()); 74 75 mNewUserPhotoBitmap = savedBitmap; 76 mNewUserPhotoDrawable = savedDrawable; 77 } 78 79 /** 80 * Handles activity result from containing activity/fragment after a take/choose/crop photo 81 * action result is received. 82 */ onActivityResult(int requestCode, int resultCode, Intent data)83 public boolean onActivityResult(int requestCode, int resultCode, Intent data) { 84 if (resultCode != Activity.RESULT_OK) { 85 return false; 86 } 87 88 if (requestCode == REQUEST_CODE_PICK_AVATAR) { 89 if (data.hasExtra(AvatarPickerActivity.EXTRA_DEFAULT_ICON_TINT_COLOR)) { 90 int tintColor = 91 data.getIntExtra(AvatarPickerActivity.EXTRA_DEFAULT_ICON_TINT_COLOR, -1); 92 onDefaultIconSelected(tintColor); 93 return true; 94 } 95 if (data.getData() != null) { 96 onPhotoCropped(data.getData()); 97 return true; 98 } 99 100 } 101 return false; 102 } 103 getNewUserPhotoDrawable()104 public Drawable getNewUserPhotoDrawable() { 105 return mNewUserPhotoDrawable; 106 } 107 showAvatarPicker()108 private void showAvatarPicker() { 109 Intent intent = new Intent(mImageView.getContext(), AvatarPickerActivity.class); 110 intent.putExtra(AvatarPickerActivity.EXTRA_FILE_AUTHORITY, mFileAuthority); 111 mActivityStarter.startActivityForResult(intent, REQUEST_CODE_PICK_AVATAR); 112 } 113 onDefaultIconSelected(int tintColor)114 private void onDefaultIconSelected(int tintColor) { 115 try { 116 ThreadUtils.postOnBackgroundThread(() -> { 117 Resources res = mActivity.getResources(); 118 Drawable drawable = 119 UserIcons.getDefaultUserIconInColor(res, tintColor); 120 Bitmap bitmap = UserIcons.convertToBitmapAtUserIconSize(res, drawable); 121 122 ThreadUtils.postOnMainThread(() -> onPhotoProcessed(bitmap)); 123 }).get(); 124 } catch (InterruptedException | ExecutionException e) { 125 Log.e(TAG, "Error processing default icon", e); 126 } 127 } 128 onPhotoCropped(final Uri data)129 private void onPhotoCropped(final Uri data) { 130 ThreadUtils.postOnBackgroundThread(() -> { 131 InputStream imageStream = null; 132 Bitmap bitmap = null; 133 try { 134 imageStream = mActivity.getContentResolver() 135 .openInputStream(data); 136 bitmap = BitmapFactory.decodeStream(imageStream); 137 } catch (FileNotFoundException fe) { 138 Log.w(TAG, "Cannot find image file", fe); 139 } finally { 140 if (imageStream != null) { 141 try { 142 imageStream.close(); 143 } catch (IOException ioe) { 144 Log.w(TAG, "Cannot close image stream", ioe); 145 } 146 } 147 } 148 149 if (bitmap != null) { 150 Bitmap finalBitmap = bitmap; 151 ThreadUtils.postOnMainThread(() -> onPhotoProcessed(finalBitmap)); 152 } 153 }); 154 } 155 onPhotoProcessed(Bitmap bitmap)156 private void onPhotoProcessed(Bitmap bitmap) { 157 if (bitmap != null) { 158 mNewUserPhotoBitmap = bitmap; 159 mNewUserPhotoDrawable = CircleFramedDrawable 160 .getInstance(mImageView.getContext(), mNewUserPhotoBitmap); 161 mImageView.setImageDrawable(mNewUserPhotoDrawable); 162 } 163 } 164 saveNewUserPhotoBitmap()165 File saveNewUserPhotoBitmap() { 166 if (mNewUserPhotoBitmap == null) { 167 return null; 168 } 169 try { 170 File file = new File(mImagesDir, NEW_USER_PHOTO_FILE_NAME); 171 OutputStream os = new FileOutputStream(file); 172 mNewUserPhotoBitmap.compress(Bitmap.CompressFormat.PNG, 100, os); 173 os.flush(); 174 os.close(); 175 return file; 176 } catch (IOException e) { 177 Log.e(TAG, "Cannot create temp file", e); 178 } 179 return null; 180 } 181 loadNewUserPhotoBitmap(File file)182 static Bitmap loadNewUserPhotoBitmap(File file) { 183 return BitmapFactory.decodeFile(file.getAbsolutePath()); 184 } 185 removeNewUserPhotoBitmapFile()186 void removeNewUserPhotoBitmapFile() { 187 new File(mImagesDir, NEW_USER_PHOTO_FILE_NAME).delete(); 188 } 189 } 190