shell_main_delegate.cc revision 03b57e008b61dfcb1fbad3aea950ae0e001748b0 
1// Copyright 2014 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 "extensions/shell/app/shell_main_delegate.h"
6
7#include "base/command_line.h"
8#include "base/files/file_path.h"
9#include "base/logging.h"
10#include "base/path_service.h"
11#include "content/public/browser/browser_main_runner.h"
12#include "content/public/common/content_switches.h"
13#include "extensions/common/extension_paths.h"
14#include "extensions/shell/browser/default_shell_browser_main_delegate.h"
15#include "extensions/shell/browser/shell_content_browser_client.h"
16#include "extensions/shell/common/shell_content_client.h"
17#include "extensions/shell/renderer/shell_content_renderer_client.h"
18#include "ui/base/resource/resource_bundle.h"
19
20#if defined(OS_CHROMEOS)
21#include "chromeos/chromeos_paths.h"
22#endif
23
24#if !defined(DISABLE_NACL)
25#include "components/nacl/common/nacl_paths.h"
26#include "components/nacl/common/nacl_switches.h"
27#include "components/nacl/zygote/nacl_fork_delegate_linux.h"
28#endif
29
30namespace {
31
32void InitLogging() {
33  base::FilePath log_filename;
34  PathService::Get(base::DIR_EXE, &log_filename);
35  log_filename = log_filename.AppendASCII("app_shell.log");
36  logging::LoggingSettings settings;
37  settings.logging_dest = logging::LOG_TO_ALL;
38  settings.log_file = log_filename.value().c_str();
39  settings.delete_old = logging::DELETE_OLD_LOG_FILE;
40  logging::InitLogging(settings);
41  logging::SetLogItems(true, true, true, true);
42}
43
44}  // namespace
45
46namespace extensions {
47
48ShellMainDelegate::ShellMainDelegate() {
49}
50
51ShellMainDelegate::~ShellMainDelegate() {
52}
53
54bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
55  InitLogging();
56  content_client_.reset(CreateContentClient());
57  SetContentClient(content_client_.get());
58
59#if defined(OS_CHROMEOS)
60  chromeos::RegisterPathProvider();
61#endif
62#if !defined(DISABLE_NACL)
63  nacl::RegisterPathProvider();
64#endif
65  extensions::RegisterPathProvider();
66  return false;
67}
68
69void ShellMainDelegate::PreSandboxStartup() {
70  std::string process_type =
71      CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
72          switches::kProcessType);
73  if (ProcessNeedsResourceBundle(process_type))
74    InitializeResourceBundle();
75}
76
77content::ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
78  browser_client_.reset(CreateShellContentBrowserClient());
79  return browser_client_.get();
80}
81
82content::ContentRendererClient*
83ShellMainDelegate::CreateContentRendererClient() {
84  renderer_client_.reset(CreateShellContentRendererClient());
85  return renderer_client_.get();
86}
87
88void ShellMainDelegate::ZygoteStarting(
89    ScopedVector<content::ZygoteForkDelegate>* delegates) {
90#if !defined(DISABLE_NACL)
91  nacl::AddNaClZygoteForkDelegates(delegates);
92#endif
93}
94
95content::ContentClient* ShellMainDelegate::CreateContentClient() {
96  return new ShellContentClient();
97}
98
99content::ContentBrowserClient*
100ShellMainDelegate::CreateShellContentBrowserClient() {
101  return new ShellContentBrowserClient(new DefaultShellBrowserMainDelegate());
102}
103
104content::ContentRendererClient*
105ShellMainDelegate::CreateShellContentRendererClient() {
106  return new ShellContentRendererClient();
107}
108
109void ShellMainDelegate::InitializeResourceBundle() {
110  base::FilePath extensions_shell_and_test_pak_path;
111  PathService::Get(base::DIR_MODULE, &extensions_shell_and_test_pak_path);
112  ui::ResourceBundle::InitSharedInstanceWithPakPath(
113      extensions_shell_and_test_pak_path.AppendASCII(
114          "extensions_shell_and_test.pak"));
115}
116
117// static
118bool ShellMainDelegate::ProcessNeedsResourceBundle(
119    const std::string& process_type) {
120  // The browser process has no process type flag, but needs resources.
121  // On Linux the zygote process opens the resources for the renderers.
122  return process_type.empty() ||
123         process_type == switches::kZygoteProcess ||
124         process_type == switches::kRendererProcess ||
125#if !defined(DISABLE_NACL)
126         process_type == switches::kNaClLoaderProcess ||
127#endif
128         process_type == switches::kUtilityProcess;
129}
130
131}  // namespace extensions
132