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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_switches.h"
26 #if defined(OS_LINUX)
27 #include "components/nacl/common/nacl_paths.h"
28 #include "components/nacl/zygote/nacl_fork_delegate_linux.h"
29 #endif  // OS_LINUX
30 #endif  // !DISABLE_NACL
31 
32 namespace {
33 
InitLogging()34 void InitLogging() {
35   base::FilePath log_filename;
36   PathService::Get(base::DIR_EXE, &log_filename);
37   log_filename = log_filename.AppendASCII("app_shell.log");
38   logging::LoggingSettings settings;
39   settings.logging_dest = logging::LOG_TO_ALL;
40   settings.log_file = log_filename.value().c_str();
41   settings.delete_old = logging::DELETE_OLD_LOG_FILE;
42   logging::InitLogging(settings);
43   logging::SetLogItems(true, true, true, true);
44 }
45 
46 }  // namespace
47 
48 namespace extensions {
49 
ShellMainDelegate()50 ShellMainDelegate::ShellMainDelegate() {
51 }
52 
~ShellMainDelegate()53 ShellMainDelegate::~ShellMainDelegate() {
54 }
55 
BasicStartupComplete(int * exit_code)56 bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
57   InitLogging();
58   content_client_.reset(CreateContentClient());
59   SetContentClient(content_client_.get());
60 
61 #if defined(OS_CHROMEOS)
62   chromeos::RegisterPathProvider();
63 #endif
64 #if !defined(DISABLE_NACL) && defined(OS_LINUX)
65   nacl::RegisterPathProvider();
66 #endif
67   extensions::RegisterPathProvider();
68   return false;
69 }
70 
PreSandboxStartup()71 void ShellMainDelegate::PreSandboxStartup() {
72   std::string process_type =
73       CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
74           switches::kProcessType);
75   if (ProcessNeedsResourceBundle(process_type))
76     InitializeResourceBundle();
77 }
78 
CreateContentBrowserClient()79 content::ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
80   browser_client_.reset(CreateShellContentBrowserClient());
81   return browser_client_.get();
82 }
83 
84 content::ContentRendererClient*
CreateContentRendererClient()85 ShellMainDelegate::CreateContentRendererClient() {
86   renderer_client_.reset(CreateShellContentRendererClient());
87   return renderer_client_.get();
88 }
89 
90 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
ZygoteStarting(ScopedVector<content::ZygoteForkDelegate> * delegates)91 void ShellMainDelegate::ZygoteStarting(
92     ScopedVector<content::ZygoteForkDelegate>* delegates) {
93 #if !defined(DISABLE_NACL)
94   nacl::AddNaClZygoteForkDelegates(delegates);
95 #endif  // DISABLE_NACL
96 }
97 #endif  // OS_POSIX && !OS_MACOSX && !OS_ANDROID
98 
CreateContentClient()99 content::ContentClient* ShellMainDelegate::CreateContentClient() {
100   return new ShellContentClient();
101 }
102 
103 content::ContentBrowserClient*
CreateShellContentBrowserClient()104 ShellMainDelegate::CreateShellContentBrowserClient() {
105   return new ShellContentBrowserClient(new DefaultShellBrowserMainDelegate());
106 }
107 
108 content::ContentRendererClient*
CreateShellContentRendererClient()109 ShellMainDelegate::CreateShellContentRendererClient() {
110   return new ShellContentRendererClient();
111 }
112 
InitializeResourceBundle()113 void ShellMainDelegate::InitializeResourceBundle() {
114   base::FilePath extensions_shell_and_test_pak_path;
115   PathService::Get(base::DIR_MODULE, &extensions_shell_and_test_pak_path);
116   ui::ResourceBundle::InitSharedInstanceWithPakPath(
117       extensions_shell_and_test_pak_path.AppendASCII(
118           "extensions_shell_and_test.pak"));
119 }
120 
121 // static
ProcessNeedsResourceBundle(const std::string & process_type)122 bool ShellMainDelegate::ProcessNeedsResourceBundle(
123     const std::string& process_type) {
124   // The browser process has no process type flag, but needs resources.
125   // On Linux the zygote process opens the resources for the renderers.
126   return process_type.empty() ||
127          process_type == switches::kZygoteProcess ||
128          process_type == switches::kRendererProcess ||
129 #if !defined(DISABLE_NACL)
130          process_type == switches::kNaClLoaderProcess ||
131 #endif
132          process_type == switches::kUtilityProcess;
133 }
134 
135 }  // namespace extensions
136