1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/app/android/content_main.h"
6
7#include "base/at_exit.h"
8#include "base/base_switches.h"
9#include "base/command_line.h"
10#include "base/debug/trace_event.h"
11#include "base/lazy_instance.h"
12#include "content/public/app/content_main.h"
13#include "content/public/app/content_main_delegate.h"
14#include "content/public/app/content_main_runner.h"
15#include "content/public/common/content_switches.h"
16#include "jni/ContentMain_jni.h"
17
18using base::LazyInstance;
19
20namespace content {
21
22namespace {
23LazyInstance<scoped_ptr<ContentMainRunner> > g_content_runner =
24    LAZY_INSTANCE_INITIALIZER;
25
26LazyInstance<scoped_ptr<ContentMainDelegate> > g_content_main_delegate =
27    LAZY_INSTANCE_INITIALIZER;
28
29}  // namespace
30
31static void InitApplicationContext(JNIEnv* env, jclass clazz, jobject context) {
32  base::android::ScopedJavaLocalRef<jobject> scoped_context(env, context);
33  base::android::InitApplicationContext(env, scoped_context);
34}
35
36static jint Start(JNIEnv* env, jclass clazz) {
37  TRACE_EVENT0("startup", "content::Start");
38
39  // On Android we can have multiple requests to start the browser in process
40  // simultaneously. If we get an asynchonous request followed by a synchronous
41  // request then we have to call this a second time to finish starting the
42  // browser synchronously.
43  if (!g_content_runner.Get().get()) {
44    ContentMainParams params(g_content_main_delegate.Get().get());
45    g_content_runner.Get().reset(ContentMainRunner::Create());
46    g_content_runner.Get()->Initialize(params);
47  }
48  return g_content_runner.Get()->Run();
49}
50
51void SetContentMainDelegate(ContentMainDelegate* delegate) {
52  DCHECK(!g_content_main_delegate.Get().get());
53  g_content_main_delegate.Get().reset(delegate);
54}
55
56bool RegisterContentMain(JNIEnv* env) {
57  return RegisterNativesImpl(env);
58}
59
60}  // namespace content
61