1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.internal.app;
18
19import android.app.Activity;
20import android.app.ActivityManager;
21import android.app.AlertDialog;
22import android.content.ActivityNotFoundException;
23import android.content.ClipData;
24import android.content.DialogInterface;
25import android.content.Intent;
26import android.net.Uri;
27import android.os.Bundle;
28import android.util.DebugUtils;
29import android.util.Slog;
30
31/**
32 * This activity is displayed when the system has collected a heap dump from
33 * a large process and the user has selected to share it.
34 */
35public class DumpHeapActivity extends Activity {
36    /** The process we are reporting */
37    public static final String KEY_PROCESS = "process";
38    /** The size limit the process reached */
39    public static final String KEY_SIZE = "size";
40    /** Optional name of package to directly launch */
41    public static final String KEY_DIRECT_LAUNCH = "direct_launch";
42
43    // Broadcast action to determine when to delete the current dump heap data.
44    public static final String ACTION_DELETE_DUMPHEAP = "com.android.server.am.DELETE_DUMPHEAP";
45
46    // Extra for above: delay delete of data, since the user is in the process of sharing it.
47    public static final String EXTRA_DELAY_DELETE = "delay_delete";
48
49    static final public Uri JAVA_URI = Uri.parse("content://com.android.server.heapdump/java");
50
51    String mProcess;
52    long mSize;
53    AlertDialog mDialog;
54    boolean mHandled = false;
55
56    @Override
57    protected void onCreate(Bundle savedInstanceState) {
58        super.onCreate(savedInstanceState);
59
60        mProcess = getIntent().getStringExtra(KEY_PROCESS);
61        mSize = getIntent().getLongExtra(KEY_SIZE, 0);
62
63        String directLaunch = getIntent().getStringExtra(KEY_DIRECT_LAUNCH);
64        if (directLaunch != null) {
65            Intent intent = new Intent(ActivityManager.ACTION_REPORT_HEAP_LIMIT);
66            intent.setPackage(directLaunch);
67            ClipData clip = ClipData.newUri(getContentResolver(), "Heap Dump", JAVA_URI);
68            intent.setClipData(clip);
69            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
70            intent.setType(clip.getDescription().getMimeType(0));
71            intent.putExtra(Intent.EXTRA_STREAM, JAVA_URI);
72            try {
73                startActivity(intent);
74                scheduleDelete();
75                mHandled = true;
76                finish();
77                return;
78            } catch (ActivityNotFoundException e) {
79                Slog.i("DumpHeapActivity", "Unable to direct launch to " + directLaunch
80                        + ": " + e.getMessage());
81            }
82        }
83
84        AlertDialog.Builder b = new AlertDialog.Builder(this,
85                android.R.style.Theme_Material_Light_Dialog_Alert);
86        b.setTitle(com.android.internal.R.string.dump_heap_title);
87        b.setMessage(getString(com.android.internal.R.string.dump_heap_text,
88                mProcess, DebugUtils.sizeValueToString(mSize, null)));
89        b.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
90            @Override
91            public void onClick(DialogInterface dialog, int which) {
92                mHandled = true;
93                sendBroadcast(new Intent(ACTION_DELETE_DUMPHEAP));
94                finish();
95            }
96        });
97        b.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
98            @Override
99            public void onClick(DialogInterface dialog, int which) {
100                mHandled = true;
101                scheduleDelete();
102                Intent intent = new Intent(Intent.ACTION_SEND);
103                ClipData clip = ClipData.newUri(getContentResolver(), "Heap Dump", JAVA_URI);
104                intent.setClipData(clip);
105                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
106                intent.setType(clip.getDescription().getMimeType(0));
107                intent.putExtra(Intent.EXTRA_STREAM, JAVA_URI);
108                startActivity(Intent.createChooser(intent,
109                        getText(com.android.internal.R.string.dump_heap_title)));
110                finish();
111        }
112        });
113        mDialog = b.show();
114    }
115
116    void scheduleDelete() {
117        Intent broadcast = new Intent(ACTION_DELETE_DUMPHEAP);
118        broadcast.putExtra(EXTRA_DELAY_DELETE, true);
119        sendBroadcast(broadcast);
120    }
121
122    @Override
123    protected void onStop() {
124        super.onStop();
125        if (!isChangingConfigurations()) {
126            if (!mHandled) {
127                sendBroadcast(new Intent(ACTION_DELETE_DUMPHEAP));
128            }
129        }
130    }
131
132    @Override
133    protected void onDestroy() {
134        super.onDestroy();
135        mDialog.dismiss();
136    }
137}
138