content: /*
   * Copyright (C) 2015 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.app.Activity;
  import android.app.ActivityManager;
  import android.app.AlertDialog;
  import android.content.ActivityNotFoundException;
  import android.content.ClipData;
  import android.content.DialogInterface;
  import android.content.Intent;
  import android.net.Uri;
  import android.os.Bundle;
  import android.util.DebugUtils;
  import android.util.Slog;
  
  /**
   * This activity is displayed when the system has collected a heap dump from
   * a large process and the user has selected to share it.
   */
  public class DumpHeapActivity extends Activity {
      /** The process we are reporting */
      public static final String KEY_PROCESS = "process";
      /** The size limit the process reached */
      public static final String KEY_SIZE = "size";
      /** Whether the user initiated the dump or not. */
      public static final String KEY_IS_USER_INITIATED = "is_user_initiated";
      /** Whether the process is a system process (eg: Android System) or not. */
      public static final String KEY_IS_SYSTEM_PROCESS = "is_system_process";
      /** Optional name of package to directly launch */
      public static final String KEY_DIRECT_LAUNCH = "direct_launch";
  
      // Broadcast action to determine when to delete the current dump heap data.
      public static final String ACTION_DELETE_DUMPHEAP = "com.android.server.am.DELETE_DUMPHEAP";
  
      // Extra for above: delay delete of data, since the user is in the process of sharing it.
      public static final String EXTRA_DELAY_DELETE = "delay_delete";
  
      static final public Uri JAVA_URI = Uri.parse("content://com.android.server.heapdump/java");
  
      String mProcess;
      long mSize;
      AlertDialog mDialog;
      boolean mHandled = false;
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
  
          mProcess = getIntent().getStringExtra(KEY_PROCESS);
          mSize = getIntent().getLongExtra(KEY_SIZE, 0);
          final boolean isUserInitiated = getIntent().getBooleanExtra(KEY_IS_USER_INITIATED, false);
          final boolean isSystemProcess = getIntent().getBooleanExtra(KEY_IS_SYSTEM_PROCESS, false);
  
          String directLaunch = getIntent().getStringExtra(KEY_DIRECT_LAUNCH);
          if (directLaunch != null) {
              Intent intent = new Intent(ActivityManager.ACTION_REPORT_HEAP_LIMIT);
              intent.setPackage(directLaunch);
              ClipData clip = ClipData.newUri(getContentResolver(), "Heap Dump", JAVA_URI);
              intent.setClipData(clip);
              intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
              intent.setType(clip.getDescription().getMimeType(0));
              intent.putExtra(Intent.EXTRA_STREAM, JAVA_URI);
              try {
                  startActivity(intent);
                  scheduleDelete();
                  mHandled = true;
                  finish();
                  return;
              } catch (ActivityNotFoundException e) {
                  Slog.i("DumpHeapActivity", "Unable to direct launch to " + directLaunch
                          + ": " + e.getMessage());
              }
          }
  
          final int messageId;
          if (isUserInitiated) {
              messageId = com.android.internal.R.string.dump_heap_ready_text;
          } else if (isSystemProcess) {
              messageId = com.android.internal.R.string.dump_heap_system_text;
          } else {
              messageId = com.android.internal.R.string.dump_heap_text;
          }
          AlertDialog.Builder b = new AlertDialog.Builder(this,
                  android.R.style.Theme_Material_Light_Dialog_Alert);
          b.setTitle(com.android.internal.R.string.dump_heap_title);
          b.setMessage(getString(
                  messageId, mProcess, DebugUtils.sizeValueToString(mSize, null)));
          b.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
              @Override
              public void onClick(DialogInterface dialog, int which) {
                  mHandled = true;
                  sendBroadcast(new Intent(ACTION_DELETE_DUMPHEAP));
                  finish();
              }
          });
          b.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
              @Override
              public void onClick(DialogInterface dialog, int which) {
                  mHandled = true;
                  scheduleDelete();
                  Intent intent = new Intent(Intent.ACTION_SEND);
                  ClipData clip = ClipData.newUri(getContentResolver(), "Heap Dump", JAVA_URI);
                  intent.setClipData(clip);
                  intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
                  intent.setType(clip.getDescription().getMimeType(0));
                  intent.putExtra(Intent.EXTRA_STREAM, JAVA_URI);
                  startActivity(Intent.createChooser(intent,
                          getText(com.android.internal.R.string.dump_heap_title)));
                  finish();
          }
          });
          mDialog = b.show();
      }
  
      void scheduleDelete() {
          Intent broadcast = new Intent(ACTION_DELETE_DUMPHEAP);
          broadcast.putExtra(EXTRA_DELAY_DELETE, true);
          sendBroadcast(broadcast);
      }
  
      @Override
      protected void onStop() {
          super.onStop();
          if (!isChangingConfigurations()) {
              if (!mHandled) {
                  sendBroadcast(new Intent(ACTION_DELETE_DUMPHEAP));
              }
          }
      }
  
      @Override
      protected void onDestroy() {
          super.onDestroy();
          mDialog.dismiss();
      }
  }
  