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+/*
+ * 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.shortcuts;
+
+import android.content.Context;
+import android.content.pm.ShortcutInfo;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.Icon;
+import android.net.Uri;
+import android.provider.ContactsContract;
+import android.support.annotation.NonNull;
+import android.support.annotation.WorkerThread;
+import android.support.v4.graphics.drawable.RoundedBitmapDrawable;
+import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory;
+import com.android.contacts.common.lettertiles.LetterTileDrawable;
+import com.android.dialer.common.Assert;
+import com.android.dialer.util.DrawableConverter;
+import java.io.InputStream;
+
+/** Constructs the icons for dialer shortcuts. */
+class IconFactory {
+
+ private final Context context;
+
+ IconFactory(@NonNull Context context) {
+ this.context = context;
+ }
+
+ /**
+ * Creates an icon for the provided {@link DialerShortcut}.
+ *
+ * <p>The icon is a circle which contains a photo of the contact associated with the shortcut, if
+ * available. If a photo is not available, a circular colored icon with a single letter is instead
+ * created, where the letter is the first letter of the contact's name. If the contact has no
+ * name, a default colored "anonymous" avatar is used.
+ *
+ * <p>These icons should match exactly the favorites tiles in the starred tab of the dialer
+ * application, except that they are circular instead of rectangular.
+ */
+ @WorkerThread
+ @NonNull
+ public Icon create(@NonNull DialerShortcut shortcut) {
+ Assert.isWorkerThread();
+
+ return create(shortcut.getLookupUri(), shortcut.getDisplayName(), shortcut.getLookupKey());
+ }
+
+ /** Same as {@link #create(DialerShortcut)}, but accepts a {@link ShortcutInfo}. */
+ @WorkerThread
+ @NonNull
+ public Icon create(@NonNull ShortcutInfo shortcutInfo) {
+ Assert.isWorkerThread();
+ return create(
+ DialerShortcut.getLookupUriFromShortcutInfo(shortcutInfo),
+ DialerShortcut.getDisplayNameFromShortcutInfo(shortcutInfo),
+ DialerShortcut.getLookupKeyFromShortcutInfo(shortcutInfo));
+ }
+
+ @WorkerThread
+ @NonNull
+ private Icon create(
+ @NonNull Uri lookupUri, @NonNull String displayName, @NonNull String lookupKey) {
+ Assert.isWorkerThread();
+
+ // In testing, there was no difference between high-res and thumbnail.
+ InputStream inputStream =
+ ContactsContract.Contacts.openContactPhotoInputStream(
+ context.getContentResolver(), lookupUri, false /* preferHighres */);
+
+ Drawable drawable;
+ if (inputStream == null) {
+ // No photo for contact; use a letter tile.
+ LetterTileDrawable letterTileDrawable = new LetterTileDrawable(context.getResources());
+ letterTileDrawable.setCanonicalDialerLetterTileDetails(
+ displayName, lookupKey, LetterTileDrawable.SHAPE_CIRCLE, LetterTileDrawable.TYPE_DEFAULT);
+ drawable = letterTileDrawable;
+ } else {
+ // There's a photo, create a circular drawable from it.
+ Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
+ drawable = createCircularDrawable(bitmap);
+ }
+ int iconSize =
+ context.getResources().getDimensionPixelSize(R.dimen.launcher_shortcut_icon_size);
+ return Icon.createWithBitmap(
+ DrawableConverter.drawableToBitmap(drawable, iconSize /* width */, iconSize /* height */));
+ }
+
+ @NonNull
+ private Drawable createCircularDrawable(@NonNull Bitmap bitmap) {
+ RoundedBitmapDrawable roundedBitmapDrawable =
+ RoundedBitmapDrawableFactory.create(context.getResources(), bitmap);
+ roundedBitmapDrawable.setCircular(true);
+ roundedBitmapDrawable.setAntiAlias(true);
+ return roundedBitmapDrawable;
+ }
+}