content: /*
   * Copyright (C) 2007 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.internal.app;
  
  import android.annotation.UnsupportedAppUsage;
  import android.app.Activity;
  import android.app.Dialog;
  import android.content.DialogInterface;
  import android.os.Bundle;
  import android.view.KeyEvent;
  import android.view.ViewGroup;
  import android.view.accessibility.AccessibilityEvent;
  
  /**
   * An activity that follows the visual style of an AlertDialog.
   * 
   * @see #mAlert
   * @see #mAlertParams
   * @see #setupAlert()
   */
  public abstract class AlertActivity extends Activity implements DialogInterface {
  
      /**
       * The model for the alert.
       * 
       * @see #mAlertParams
       */
      @UnsupportedAppUsage
      protected AlertController mAlert;
  
      /**
       * The parameters for the alert.
       */
      @UnsupportedAppUsage
      protected AlertController.AlertParams mAlertParams;
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
  
          mAlert = AlertController.create(this, this, getWindow());
          mAlertParams = new AlertController.AlertParams(this);
      }
  
      public void cancel() {
          finish();
      }
  
      public void dismiss() {
          // This is called after the click, since we finish when handling the
          // click, don't do that again here.
          if (!isFinishing()) {
              finish();
          }
      }
  
      @Override
      public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
          return dispatchPopulateAccessibilityEvent(this, event);
      }
  
      public static boolean dispatchPopulateAccessibilityEvent(Activity act,
              AccessibilityEvent event) {
          event.setClassName(Dialog.class.getName());
          event.setPackageName(act.getPackageName());
  
          ViewGroup.LayoutParams params = act.getWindow().getAttributes();
          boolean isFullScreen = (params.width == ViewGroup.LayoutParams.MATCH_PARENT) &&
                  (params.height == ViewGroup.LayoutParams.MATCH_PARENT);
          event.setFullScreen(isFullScreen);
  
          return false;
      }
  
      /**
       * Sets up the alert, including applying the parameters to the alert model,
       * and installing the alert's content.
       *
       * @see #mAlert
       * @see #mAlertParams
       */
      @UnsupportedAppUsage
      protected void setupAlert() {
          mAlert.installContent(mAlertParams);
      }
  
      @Override
      public boolean onKeyDown(int keyCode, KeyEvent event) {
          if (mAlert.onKeyDown(keyCode, event)) return true;
          return super.onKeyDown(keyCode, event);
      }
  
      @Override
      public boolean onKeyUp(int keyCode, KeyEvent event) {
          if (mAlert.onKeyUp(keyCode, event)) return true;
          return super.onKeyUp(keyCode, event);
      }
  }
  