content: /*
   * Copyright (C) 2018 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.launcher3.graphics;
  
  import static androidx.core.graphics.ColorUtils.compositeColors;
  
  import android.content.Context;
  import android.graphics.Bitmap;
  import android.graphics.Canvas;
  import android.graphics.Path;
  import android.graphics.Rect;
  
  import com.android.launcher3.FastBitmapDrawable;
  import com.android.launcher3.ItemInfoWithIcon;
  import com.android.launcher3.R;
  import com.android.launcher3.icons.BitmapInfo;
  import com.android.launcher3.util.Themes;
  
  /**
   * Subclass which draws a placeholder icon when the actual icon is not yet loaded
   */
  public class PlaceHolderIconDrawable extends FastBitmapDrawable {
  
      // Path in [0, 100] bounds.
      private final Path mProgressPath;
  
      public PlaceHolderIconDrawable(BitmapInfo info, Path progressPath, Context context) {
          this(info.icon, info.color, progressPath, context);
      }
  
      public PlaceHolderIconDrawable(ItemInfoWithIcon info, Path progressPath, Context context) {
          this(info.iconBitmap, info.iconColor, progressPath, context);
      }
  
      protected PlaceHolderIconDrawable(Bitmap b, int iconColor, Path progressPath, Context context) {
          super(b, iconColor);
  
          mProgressPath = progressPath;
          mPaint.setColor(compositeColors(
                  Themes.getAttrColor(context, R.attr.loadingIconColor), iconColor));
      }
  
      @Override
      protected void drawInternal(Canvas canvas, Rect bounds) {
          int saveCount = canvas.save();
          canvas.translate(bounds.left, bounds.top);
          canvas.scale(bounds.width() / 100f, bounds.height() / 100f);
          canvas.drawPath(mProgressPath, mPaint);
          canvas.restoreToCount(saveCount);
      }
  }
  