1// Copyright 2013 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 "mojo/shell/android/mojo_main.h"
6
7#include "base/android/java_handler_thread.h"
8#include "base/android/jni_string.h"
9#include "base/at_exit.h"
10#include "base/bind.h"
11#include "base/command_line.h"
12#include "base/lazy_instance.h"
13#include "base/logging.h"
14#include "base/macros.h"
15#include "base/message_loop/message_loop.h"
16#include "jni/MojoMain_jni.h"
17#include "mojo/application_manager/application_loader.h"
18#include "mojo/application_manager/application_manager.h"
19#include "mojo/shell/context.h"
20#include "mojo/shell/init.h"
21#include "ui/gl/gl_surface_egl.h"
22
23using base::LazyInstance;
24
25namespace mojo {
26
27namespace {
28
29LazyInstance<scoped_ptr<base::MessageLoop> > g_java_message_loop =
30    LAZY_INSTANCE_INITIALIZER;
31
32LazyInstance<scoped_ptr<shell::Context> > g_context =
33    LAZY_INSTANCE_INITIALIZER;
34
35LazyInstance<scoped_ptr<base::android::JavaHandlerThread> > g_shell_thread =
36    LAZY_INSTANCE_INITIALIZER;
37
38void RunShell(std::vector<GURL> app_urls) {
39  shell::Context* context = g_context.Pointer()->get();
40  context->Init();
41  context->set_ui_loop(g_java_message_loop.Get().get());
42  for (std::vector<GURL>::const_iterator it = app_urls.begin();
43       it != app_urls.end(); ++it) {
44    context->Run(*it);
45  }
46}
47
48}  // namespace
49
50static void Init(JNIEnv* env, jclass clazz, jobject context) {
51  base::android::ScopedJavaLocalRef<jobject> scoped_context(env, context);
52
53  base::android::InitApplicationContext(env, scoped_context);
54
55  base::CommandLine::Init(0, 0);
56  mojo::shell::InitializeLogging();
57
58  // We want ~MessageLoop to happen prior to ~Context. Initializing
59  // LazyInstances is akin to stack-allocating objects; their destructors
60  // will be invoked first-in-last-out.
61  shell::Context* shell_context = new shell::Context();
62  g_context.Get().reset(shell_context);
63  g_java_message_loop.Get().reset(new base::MessageLoopForUI);
64  base::MessageLoopForUI::current()->Start();
65
66  // TODO(abarth): At which point should we switch to cross-platform
67  // initialization?
68
69  gfx::GLSurface::InitializeOneOff();
70}
71
72static void Start(JNIEnv* env, jclass clazz, jstring jurl) {
73  std::vector<GURL> app_urls;
74#if defined(MOJO_SHELL_DEBUG_URL)
75  app_urls.push_back(GURL(MOJO_SHELL_DEBUG_URL));
76  // Sleep for 5 seconds to give the debugger a chance to attach.
77  sleep(5);
78#else
79  if (jurl)
80    app_urls.push_back(GURL(base::android::ConvertJavaStringToUTF8(env, jurl)));
81#endif
82
83  g_shell_thread.Get().reset(
84      new base::android::JavaHandlerThread("shell_thread"));
85  g_shell_thread.Get()->Start();
86  g_shell_thread.Get()->message_loop()->PostTask(
87      FROM_HERE, base::Bind(&RunShell, app_urls));
88}
89
90bool RegisterMojoMain(JNIEnv* env) {
91  return RegisterNativesImpl(env);
92}
93
94}  // namespace mojo
95