shell_main_delegate.cc revision 4e180b6a0b4720a9b8e9e959a882386f690f08ff 
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/events/event_switches.h"
26#include "ui/gfx/switches.h"
27#include "ui/gl/gl_switches.h"
28
29#include "ipc/ipc_message.h"  // For IPC_MESSAGE_LOG_ENABLED.
30
31#if defined(IPC_MESSAGE_LOG_ENABLED)
32#define IPC_MESSAGE_MACROS_LOG_ENABLED
33#include "content/public/common/content_ipc_logging.h"
34#define IPC_LOG_TABLE_ADD_ENTRY(msg_id, logger) \
35    content::RegisterIPCLogger(msg_id, logger)
36#include "content/shell/common/shell_messages.h"
37#endif
38
39#if defined(OS_ANDROID)
40#include "base/posix/global_descriptors.h"
41#include "content/shell/android/shell_descriptors.h"
42#endif
43
44#if defined(OS_MACOSX)
45#include "content/shell/app/paths_mac.h"
46#include "content/shell/app/shell_main_delegate_mac.h"
47#endif  // OS_MACOSX
48
49#if defined(OS_WIN)
50#include <initguid.h>
51#include "base/logging_win.h"
52#endif
53
54namespace {
55
56#if defined(OS_WIN)
57// If "Content Shell" doesn't show up in your list of trace providers in
58// Sawbuck, add these registry entries to your machine (NOTE the optional
59// Wow6432Node key for x64 machines):
60// 1. Find:  HKLM\SOFTWARE\[Wow6432Node\]Google\Sawbuck\Providers
61// 2. Add a subkey with the name "{6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}"
62// 3. Add these values:
63//    "default_flags"=dword:00000001
64//    "default_level"=dword:00000004
65//    @="Content Shell"
66
67// {6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}
68const GUID kContentShellProviderName = {
69    0x6a3e50a4, 0x7e15, 0x4099,
70        { 0x84, 0x13, 0xec, 0x94, 0xd8, 0xc2, 0xa4, 0xb6 } };
71#endif
72
73void InitLogging() {
74  base::FilePath log_filename;
75  PathService::Get(base::DIR_EXE, &log_filename);
76  log_filename = log_filename.AppendASCII("content_shell.log");
77  logging::LoggingSettings settings;
78  settings.logging_dest = logging::LOG_TO_ALL;
79  settings.log_file = log_filename.value().c_str();
80  settings.delete_old = logging::DELETE_OLD_LOG_FILE;
81  logging::InitLogging(settings);
82  logging::SetLogItems(true, true, true, true);
83}
84
85}  // namespace
86
87namespace content {
88
89ShellMainDelegate::ShellMainDelegate() {
90}
91
92ShellMainDelegate::~ShellMainDelegate() {
93}
94
95bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
96#if defined(OS_WIN)
97  // Enable trace control and transport through event tracing for Windows.
98  logging::LogEventProvider::Initialize(kContentShellProviderName);
99#endif
100#if defined(OS_MACOSX)
101  // Needs to happen before InitializeResourceBundle() and before
102  // WebKitTestPlatformInitialize() are called.
103  OverrideFrameworkBundlePath();
104  OverrideChildProcessPath();
105  EnsureCorrectResolutionSettings();
106#endif  // OS_MACOSX
107
108  InitLogging();
109  CommandLine& command_line = *CommandLine::ForCurrentProcess();
110  if (command_line.HasSwitch(switches::kCheckLayoutTestSysDeps)) {
111    if (!CheckLayoutSystemDeps()) {
112      if (exit_code)
113        *exit_code = 1;
114      return true;
115    }
116  }
117
118#if defined(OS_ANDROID)
119  // Disable <canvas> path antialiasing for consistency with Android Chrome.
120  command_line.AppendSwitch(switches::kDisable2dCanvasAntialiasing);
121#endif
122
123  if (command_line.HasSwitch(switches::kDumpRenderTree)) {
124    EnableBrowserLayoutTestMode();
125
126    command_line.AppendSwitch(switches::kProcessPerTab);
127    command_line.AppendSwitch(switches::kEnableLogging);
128    command_line.AppendSwitch(switches::kAllowFileAccessFromFiles);
129#if !defined(OS_ANDROID)
130    // OSMesa is not yet available for Android. http://crbug.com/248925
131    command_line.AppendSwitchASCII(
132        switches::kUseGL, gfx::kGLImplementationOSMesaName);
133#endif
134    command_line.AppendSwitch(switches::kSkipGpuDataLoading);
135    command_line.AppendSwitchASCII(switches::kTouchEvents,
136                                   switches::kTouchEventsEnabled);
137    command_line.AppendSwitch(switches::kEnableGestureTapHighlight);
138    command_line.AppendSwitchASCII(switches::kForceDeviceScaleFactor, "1.0");
139#if defined(OS_ANDROID)
140    command_line.AppendSwitch(
141        switches::kDisableGestureRequirementForMediaPlayback);
142    // Capturing pixel results does not yet work when implementation-side
143    // painting is enabled. See http://crbug.com/250777
144    command_line.AppendSwitch(cc::switches::kDisableImplSidePainting);
145#endif
146
147    if (!command_line.HasSwitch(switches::kStableReleaseMode)) {
148      command_line.AppendSwitch(
149        switches::kEnableExperimentalWebPlatformFeatures);
150    }
151
152    if (!command_line.HasSwitch(switches::kEnableThreadedCompositing))
153      command_line.AppendSwitch(cc::switches::kDisableThreadedAnimation);
154
155    command_line.AppendSwitch(switches::kEnableInbandTextTracks);
156    command_line.AppendSwitch(switches::kMuteAudio);
157
158    net::CookieMonster::EnableFileScheme();
159
160    // Unless/until WebM files are added to the media layout tests, we need to
161    // avoid removing MP4/H264/AAC so that layout tests can run on Android.
162#if !defined(OS_ANDROID)
163    net::RemoveProprietaryMediaTypesAndCodecsForTests();
164#endif
165
166    if (!WebKitTestPlatformInitialize()) {
167      if (exit_code)
168        *exit_code = 1;
169      return true;
170    }
171  }
172  SetContentClient(&content_client_);
173  return false;
174}
175
176void ShellMainDelegate::PreSandboxStartup() {
177  InitializeResourceBundle();
178}
179
180int ShellMainDelegate::RunProcess(
181    const std::string& process_type,
182    const MainFunctionParams& main_function_params) {
183  if (!process_type.empty())
184    return -1;
185
186#if !defined(OS_ANDROID)
187  // Android stores the BrowserMainRunner instance as a scoped member pointer
188  // on the ShellMainDelegate class because of different object lifetime.
189  scoped_ptr<BrowserMainRunner> browser_runner_;
190#endif
191
192  browser_runner_.reset(BrowserMainRunner::Create());
193  return ShellBrowserMain(main_function_params, browser_runner_);
194}
195
196void ShellMainDelegate::InitializeResourceBundle() {
197#if defined(OS_ANDROID)
198  // In the Android case, the renderer runs with a different UID and can never
199  // access the file system.  So we are passed a file descriptor to the
200  // ResourceBundle pak at launch time.
201  int pak_fd =
202      base::GlobalDescriptors::GetInstance()->MaybeGet(kShellPakDescriptor);
203  if (pak_fd != base::kInvalidPlatformFileValue) {
204    ui::ResourceBundle::InitSharedInstanceWithPakFile(pak_fd, false);
205    ResourceBundle::GetSharedInstance().AddDataPackFromFile(
206        pak_fd, ui::SCALE_FACTOR_100P);
207    return;
208  }
209#endif
210
211  base::FilePath pak_file;
212#if defined(OS_MACOSX)
213  pak_file = GetResourcesPakFilePath();
214#else
215  base::FilePath pak_dir;
216
217#if defined(OS_ANDROID)
218  bool got_path = PathService::Get(base::DIR_ANDROID_APP_DATA, &pak_dir);
219  DCHECK(got_path);
220  pak_dir = pak_dir.Append(FILE_PATH_LITERAL("paks"));
221#else
222  PathService::Get(base::DIR_MODULE, &pak_dir);
223#endif
224
225  pak_file = pak_dir.Append(FILE_PATH_LITERAL("content_shell.pak"));
226#endif
227  ui::ResourceBundle::InitSharedInstanceWithPakPath(pak_file);
228}
229
230ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
231  browser_client_.reset(new ShellContentBrowserClient);
232  return browser_client_.get();
233}
234
235ContentRendererClient* ShellMainDelegate::CreateContentRendererClient() {
236  renderer_client_.reset(new ShellContentRendererClient);
237  return renderer_client_.get();
238}
239
240}  // namespace content
241