content: /*
   * Copyright (C) 2017 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.widget;
  
  import android.appwidget.AppWidgetProviderInfo;
  import android.content.Context;
  import android.graphics.Canvas;
  import android.graphics.Color;
  import android.text.Layout;
  import android.text.StaticLayout;
  import android.text.TextPaint;
  import android.text.TextUtils;
  import android.util.TypedValue;
  import android.widget.RemoteViews;
  
  import com.android.launcher3.R;
  
  /**
   * A widget host views created while the host has not bind to the system service.
   */
  public class DeferredAppWidgetHostView extends LauncherAppWidgetHostView {
  
      private final TextPaint mPaint;
      private Layout mSetupTextLayout;
  
      public DeferredAppWidgetHostView(Context context) {
          super(context);
          setWillNotDraw(false);
  
          mPaint = new TextPaint();
          mPaint.setColor(Color.WHITE);
          mPaint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX,
                  mLauncher.getDeviceProfile().getFullScreenProfile().iconTextSizePx,
                  getResources().getDisplayMetrics()));
          setBackgroundResource(R.drawable.bg_deferred_app_widget);
      }
  
      @Override
      public void updateAppWidget(RemoteViews remoteViews) {
          // Not allowed
      }
  
      @Override
      protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
          super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  
          AppWidgetProviderInfo info = getAppWidgetInfo();
          if (info == null || TextUtils.isEmpty(info.label)) {
              return;
          }
  
          // Use double padding so that there is extra space between background and text
          int availableWidth = getMeasuredWidth() - 2 * (getPaddingLeft() + getPaddingRight());
          if (mSetupTextLayout != null && mSetupTextLayout.getText().equals(info.label)
                  && mSetupTextLayout.getWidth() == availableWidth) {
              return;
          }
          mSetupTextLayout = new StaticLayout(info.label, mPaint, availableWidth,
                  Layout.Alignment.ALIGN_CENTER, 1, 0, true);
      }
  
      @Override
      protected void onDraw(Canvas canvas) {
          if (mSetupTextLayout != null) {
              canvas.translate(getPaddingLeft() * 2,
                      (getHeight() - mSetupTextLayout.getHeight()) / 2);
              mSetupTextLayout.draw(canvas);
          }
      }
  }
  