shell_main_delegate.cc revision d0247b1b59f9c528cb6df88b4f2b9afaf80d181e 
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/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 "cc/base/switches.h"
12#include "content/public/browser/browser_main_runner.h"
13#include "content/public/common/content_switches.h"
14#include "content/public/common/url_constants.h"
15#include "content/public/test/layouttest_support.h"
16#include "content/shell/app/webkit_test_platform_support.h"
17#include "content/shell/browser/shell_browser_main.h"
18#include "content/shell/browser/shell_content_browser_client.h"
19#include "content/shell/common/shell_switches.h"
20#include "content/shell/renderer/shell_content_renderer_client.h"
21#include "net/cookies/cookie_monster.h"
22#include "ui/base/resource/resource_bundle.h"
23#include "ui/base/ui_base_paths.h"
24#include "ui/base/ui_base_switches.h"
25#include "ui/gfx/switches.h"
26#include "ui/gl/gl_switches.h"
27
28#include "ipc/ipc_message.h"  // For IPC_MESSAGE_LOG_ENABLED.
29
30#if defined(IPC_MESSAGE_LOG_ENABLED)
31#define IPC_MESSAGE_MACROS_LOG_ENABLED
32#include "content/public/common/content_ipc_logging.h"
33#define IPC_LOG_TABLE_ADD_ENTRY(msg_id, logger) \
34    content::RegisterIPCLogger(msg_id, logger)
35#include "content/shell/common/shell_messages.h"
36#endif
37
38#if defined(OS_ANDROID)
39#include "base/posix/global_descriptors.h"
40#include "content/shell/android/shell_descriptors.h"
41#endif
42
43#if defined(OS_MACOSX)
44#include "content/shell/app/paths_mac.h"
45#include "content/shell/app/shell_main_delegate_mac.h"
46#endif  // OS_MACOSX
47
48#if defined(OS_WIN)
49#include <initguid.h>
50#include "base/logging_win.h"
51#endif
52
53namespace {
54
55#if defined(OS_WIN)
56// If "Content Shell" doesn't show up in your list of trace providers in
57// Sawbuck, add these registry entries to your machine (NOTE the optional
58// Wow6432Node key for x64 machines):
59// 1. Find:  HKLM\SOFTWARE\[Wow6432Node\]Google\Sawbuck\Providers
60// 2. Add a subkey with the name "{6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}"
61// 3. Add these values:
62//    "default_flags"=dword:00000001
63//    "default_level"=dword:00000004
64//    @="Content Shell"
65
66// {6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}
67const GUID kContentShellProviderName = {
68    0x6a3e50a4, 0x7e15, 0x4099,
69        { 0x84, 0x13, 0xec, 0x94, 0xd8, 0xc2, 0xa4, 0xb6 } };
70#endif
71
72void InitLogging() {
73  base::FilePath log_filename;
74  PathService::Get(base::DIR_EXE, &log_filename);
75  log_filename = log_filename.AppendASCII("content_shell.log");
76  logging::LoggingSettings settings;
77  settings.logging_dest = logging::LOG_TO_ALL;
78  settings.log_file = log_filename.value().c_str();
79  settings.delete_old = logging::DELETE_OLD_LOG_FILE;
80  logging::InitLogging(settings);
81  logging::SetLogItems(true, true, true, true);
82}
83
84}  // namespace
85
86namespace content {
87
88ShellMainDelegate::ShellMainDelegate() {
89}
90
91ShellMainDelegate::~ShellMainDelegate() {
92}
93
94bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
95#if defined(OS_WIN)
96  // Enable trace control and transport through event tracing for Windows.
97  logging::LogEventProvider::Initialize(kContentShellProviderName);
98#endif
99#if defined(OS_MACOSX)
100  // Needs to happen before InitializeResourceBundle() and before
101  // WebKitTestPlatformInitialize() are called.
102  OverrideFrameworkBundlePath();
103  OverrideChildProcessPath();
104  EnsureCorrectResolutionSettings();
105#endif  // OS_MACOSX
106
107  InitLogging();
108  CommandLine& command_line = *CommandLine::ForCurrentProcess();
109  if (command_line.HasSwitch(switches::kCheckLayoutTestSysDeps)) {
110    if (!CheckLayoutSystemDeps()) {
111      if (exit_code)
112        *exit_code = 1;
113      return true;
114    }
115  }
116  if (command_line.HasSwitch(switches::kDumpRenderTree)) {
117    EnableBrowserLayoutTestMode();
118
119    command_line.AppendSwitch(switches::kProcessPerTab);
120    command_line.AppendSwitch(switches::kEnableLogging);
121    command_line.AppendSwitch(switches::kAllowFileAccessFromFiles);
122#if !defined(OS_ANDROID)
123    // OSMesa is not yet available for Android. http://crbug.com/248925
124    command_line.AppendSwitchASCII(
125        switches::kUseGL, gfx::kGLImplementationOSMesaName);
126#endif
127    command_line.AppendSwitch(switches::kSkipGpuDataLoading);
128    command_line.AppendSwitchASCII(switches::kTouchEvents,
129                                   switches::kTouchEventsEnabled);
130    command_line.AppendSwitch(switches::kEnableGestureTapHighlight);
131    command_line.AppendSwitchASCII(switches::kForceDeviceScaleFactor, "1.0");
132#if defined(OS_ANDROID)
133    command_line.AppendSwitch(
134        switches::kDisableGestureRequirementForMediaPlayback);
135    // Capturing pixel results does not yet work when implementation-side
136    // painting is enabled. See http://crbug.com/250777
137    command_line.AppendSwitch(cc::switches::kDisableImplSidePainting);
138#endif
139
140    if (!command_line.HasSwitch(switches::kStableReleaseMode)) {
141      command_line.AppendSwitch(
142        switches::kEnableExperimentalWebPlatformFeatures);
143      command_line.AppendSwitch(switches::kEnableCssShaders);
144    }
145
146    if (!command_line.HasSwitch(switches::kEnableThreadedCompositing))
147      command_line.AppendSwitch(cc::switches::kDisableThreadedAnimation);
148
149    command_line.AppendSwitch(switches::kEnableInbandTextTracks);
150    command_line.AppendSwitch(switches::kMuteAudio);
151
152    net::CookieMonster::EnableFileScheme();
153
154    // Unless/until WebM files are added to the media layout tests, we need to
155    // avoid removing MP4/H264/AAC so that layout tests can run on Android.
156#if !defined(OS_ANDROID)
157    net::RemoveProprietaryMediaTypesAndCodecsForTests();
158#endif
159
160    if (!WebKitTestPlatformInitialize()) {
161      if (exit_code)
162        *exit_code = 1;
163      return true;
164    }
165  }
166  SetContentClient(&content_client_);
167  return false;
168}
169
170void ShellMainDelegate::PreSandboxStartup() {
171  InitializeResourceBundle();
172}
173
174int ShellMainDelegate::RunProcess(
175    const std::string& process_type,
176    const MainFunctionParams& main_function_params) {
177  if (!process_type.empty())
178    return -1;
179
180#if !defined(OS_ANDROID)
181  // Android stores the BrowserMainRunner instance as a scoped member pointer
182  // on the ShellMainDelegate class because of different object lifetime.
183  scoped_ptr<BrowserMainRunner> browser_runner_;
184#endif
185
186  browser_runner_.reset(BrowserMainRunner::Create());
187  return ShellBrowserMain(main_function_params, browser_runner_);
188}
189
190void ShellMainDelegate::InitializeResourceBundle() {
191#if defined(OS_ANDROID)
192  // In the Android case, the renderer runs with a different UID and can never
193  // access the file system.  So we are passed a file descriptor to the
194  // ResourceBundle pak at launch time.
195  int pak_fd =
196      base::GlobalDescriptors::GetInstance()->MaybeGet(kShellPakDescriptor);
197  if (pak_fd != base::kInvalidPlatformFileValue) {
198    ui::ResourceBundle::InitSharedInstanceWithPakFile(pak_fd, false);
199    ResourceBundle::GetSharedInstance().AddDataPackFromFile(
200        pak_fd, ui::SCALE_FACTOR_100P);
201    return;
202  }
203#endif
204
205  base::FilePath pak_file;
206#if defined(OS_MACOSX)
207  pak_file = GetResourcesPakFilePath();
208#else
209  base::FilePath pak_dir;
210
211#if defined(OS_ANDROID)
212  bool got_path = PathService::Get(base::DIR_ANDROID_APP_DATA, &pak_dir);
213  DCHECK(got_path);
214  pak_dir = pak_dir.Append(FILE_PATH_LITERAL("paks"));
215#else
216  PathService::Get(base::DIR_MODULE, &pak_dir);
217#endif
218
219  pak_file = pak_dir.Append(FILE_PATH_LITERAL("content_shell.pak"));
220#endif
221  ui::ResourceBundle::InitSharedInstanceWithPakPath(pak_file);
222}
223
224ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
225  browser_client_.reset(new ShellContentBrowserClient);
226  return browser_client_.get();
227}
228
229ContentRendererClient* ShellMainDelegate::CreateContentRendererClient() {
230  renderer_client_.reset(new ShellContentRendererClient);
231  return renderer_client_.get();
232}
233
234}  // namespace content
235