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/base_switches.h"
8 #include "base/command_line.h"
9 #include "base/files/file_path.h"
10 #include "base/lazy_instance.h"
11 #include "base/logging.h"
12 #include "base/path_service.h"
13 #include "cc/base/switches.h"
14 #include "content/public/browser/browser_main_runner.h"
15 #include "content/public/common/content_switches.h"
16 #include "content/public/common/url_constants.h"
17 #include "content/public/test/layouttest_support.h"
18 #include "content/shell/app/shell_breakpad_client.h"
19 #include "content/shell/app/webkit_test_platform_support.h"
20 #include "content/shell/browser/shell_browser_main.h"
21 #include "content/shell/browser/shell_content_browser_client.h"
22 #include "content/shell/common/shell_switches.h"
23 #include "content/shell/renderer/shell_content_renderer_client.h"
24 #include "net/cookies/cookie_monster.h"
25 #include "ui/base/resource/resource_bundle.h"
26 #include "ui/base/ui_base_paths.h"
27 #include "ui/base/ui_base_switches.h"
28 #include "ui/events/event_switches.h"
29 #include "ui/gfx/switches.h"
30 #include "ui/gl/gl_switches.h"
31
32 #include "ipc/ipc_message.h" // For IPC_MESSAGE_LOG_ENABLED.
33
34 #if defined(IPC_MESSAGE_LOG_ENABLED)
35 #define IPC_MESSAGE_MACROS_LOG_ENABLED
36 #include "content/public/common/content_ipc_logging.h"
37 #define IPC_LOG_TABLE_ADD_ENTRY(msg_id, logger) \
38 content::RegisterIPCLogger(msg_id, logger)
39 #include "content/shell/common/shell_messages.h"
40 #endif
41
42 #if defined(OS_ANDROID)
43 #include "base/posix/global_descriptors.h"
44 #include "content/shell/android/shell_descriptors.h"
45 #endif
46
47 #if defined(OS_MACOSX)
48 #include "base/mac/os_crash_dumps.h"
49 #include "components/breakpad/app/breakpad_mac.h"
50 #include "content/shell/app/paths_mac.h"
51 #include "content/shell/app/shell_main_delegate_mac.h"
52 #endif // OS_MACOSX
53
54 #if defined(OS_WIN)
55 #include <initguid.h>
56 #include <windows.h>
57 #include "base/logging_win.h"
58 #include "components/breakpad/app/breakpad_win.h"
59 #endif
60
61 #if defined(OS_POSIX) && !defined(OS_MACOSX)
62 #include "components/breakpad/app/breakpad_linux.h"
63 #endif
64
65 namespace {
66
67 base::LazyInstance<content::ShellBreakpadClient>::Leaky
68 g_shell_breakpad_client = LAZY_INSTANCE_INITIALIZER;
69
70 #if defined(OS_WIN)
71 // If "Content Shell" doesn't show up in your list of trace providers in
72 // Sawbuck, add these registry entries to your machine (NOTE the optional
73 // Wow6432Node key for x64 machines):
74 // 1. Find: HKLM\SOFTWARE\[Wow6432Node\]Google\Sawbuck\Providers
75 // 2. Add a subkey with the name "{6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}"
76 // 3. Add these values:
77 // "default_flags"=dword:00000001
78 // "default_level"=dword:00000004
79 // @="Content Shell"
80
81 // {6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}
82 const GUID kContentShellProviderName = {
83 0x6a3e50a4, 0x7e15, 0x4099,
84 { 0x84, 0x13, 0xec, 0x94, 0xd8, 0xc2, 0xa4, 0xb6 } };
85 #endif
86
InitLogging()87 void InitLogging() {
88 base::FilePath log_filename;
89 PathService::Get(base::DIR_EXE, &log_filename);
90 log_filename = log_filename.AppendASCII("content_shell.log");
91 logging::LoggingSettings settings;
92 settings.logging_dest = logging::LOG_TO_ALL;
93 settings.log_file = log_filename.value().c_str();
94 settings.delete_old = logging::DELETE_OLD_LOG_FILE;
95 logging::InitLogging(settings);
96 logging::SetLogItems(true, true, true, true);
97 }
98
99 } // namespace
100
101 namespace content {
102
ShellMainDelegate()103 ShellMainDelegate::ShellMainDelegate() {
104 }
105
~ShellMainDelegate()106 ShellMainDelegate::~ShellMainDelegate() {
107 }
108
BasicStartupComplete(int * exit_code)109 bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
110 #if defined(OS_WIN)
111 // Enable trace control and transport through event tracing for Windows.
112 logging::LogEventProvider::Initialize(kContentShellProviderName);
113 #endif
114 #if defined(OS_MACOSX)
115 // Needs to happen before InitializeResourceBundle() and before
116 // WebKitTestPlatformInitialize() are called.
117 OverrideFrameworkBundlePath();
118 OverrideChildProcessPath();
119 EnsureCorrectResolutionSettings();
120 #endif // OS_MACOSX
121
122 InitLogging();
123 CommandLine& command_line = *CommandLine::ForCurrentProcess();
124 if (command_line.HasSwitch(switches::kCheckLayoutTestSysDeps)) {
125 if (!CheckLayoutSystemDeps()) {
126 if (exit_code)
127 *exit_code = 1;
128 return true;
129 }
130 }
131
132 if (command_line.HasSwitch(switches::kDumpRenderTree)) {
133 EnableBrowserLayoutTestMode();
134
135 command_line.AppendSwitch(switches::kProcessPerTab);
136 command_line.AppendSwitch(switches::kEnableLogging);
137 command_line.AppendSwitch(switches::kAllowFileAccessFromFiles);
138 #if !defined(OS_ANDROID)
139 // OSMesa is not yet available for Android. http://crbug.com/248925
140 command_line.AppendSwitchASCII(
141 switches::kUseGL, gfx::kGLImplementationOSMesaName);
142 #endif
143 command_line.AppendSwitch(switches::kSkipGpuDataLoading);
144 command_line.AppendSwitchASCII(switches::kTouchEvents,
145 switches::kTouchEventsEnabled);
146 command_line.AppendSwitch(switches::kEnableGestureTapHighlight);
147 command_line.AppendSwitchASCII(switches::kForceDeviceScaleFactor, "1.0");
148 #if defined(OS_ANDROID)
149 command_line.AppendSwitch(
150 switches::kDisableGestureRequirementForMediaPlayback);
151 // Capturing pixel results does not yet work when implementation-side
152 // painting is enabled. See http://crbug.com/250777
153 command_line.AppendSwitch(cc::switches::kDisableImplSidePainting);
154 #endif
155
156 if (!command_line.HasSwitch(switches::kStableReleaseMode)) {
157 command_line.AppendSwitch(
158 switches::kEnableExperimentalWebPlatformFeatures);
159 }
160
161 if (!command_line.HasSwitch(switches::kEnableThreadedCompositing)) {
162 command_line.AppendSwitch(switches::kDisableThreadedCompositing);
163 command_line.AppendSwitch(cc::switches::kDisableThreadedAnimation);
164 }
165
166 command_line.AppendSwitch(switches::kEnableInbandTextTracks);
167 command_line.AppendSwitch(switches::kMuteAudio);
168
169 #if defined(USE_AURA)
170 // TODO: crbug.com/311404 Make layout tests work w/ delegated renderer.
171 command_line.AppendSwitch(switches::kDisableDelegatedRenderer);
172 #endif
173
174 net::CookieMonster::EnableFileScheme();
175
176 // Unless/until WebM files are added to the media layout tests, we need to
177 // avoid removing MP4/H264/AAC so that layout tests can run on Android.
178 #if !defined(OS_ANDROID)
179 net::RemoveProprietaryMediaTypesAndCodecsForTests();
180 #endif
181
182 if (!WebKitTestPlatformInitialize()) {
183 if (exit_code)
184 *exit_code = 1;
185 return true;
186 }
187 }
188 SetContentClient(&content_client_);
189 return false;
190 }
191
PreSandboxStartup()192 void ShellMainDelegate::PreSandboxStartup() {
193 if (CommandLine::ForCurrentProcess()->HasSwitch(
194 switches::kEnableCrashReporter)) {
195 std::string process_type =
196 CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
197 switches::kProcessType);
198 breakpad::SetBreakpadClient(g_shell_breakpad_client.Pointer());
199 #if defined(OS_MACOSX)
200 base::mac::DisableOSCrashDumps();
201 breakpad::InitCrashReporter(process_type);
202 breakpad::InitCrashProcessInfo(process_type);
203 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
204 if (process_type != switches::kZygoteProcess) {
205 #if defined(OS_ANDROID)
206 if (process_type.empty())
207 breakpad::InitCrashReporter(process_type);
208 else
209 breakpad::InitNonBrowserCrashReporterForAndroid(process_type);
210 #else
211 breakpad::InitCrashReporter(process_type);
212 #endif
213 }
214 #elif defined(OS_WIN)
215 UINT new_flags =
216 SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX;
217 UINT existing_flags = SetErrorMode(new_flags);
218 SetErrorMode(existing_flags | new_flags);
219 breakpad::InitCrashReporter(process_type);
220 #endif
221 }
222
223 InitializeResourceBundle();
224 }
225
RunProcess(const std::string & process_type,const MainFunctionParams & main_function_params)226 int ShellMainDelegate::RunProcess(
227 const std::string& process_type,
228 const MainFunctionParams& main_function_params) {
229 if (!process_type.empty())
230 return -1;
231
232 #if !defined(OS_ANDROID)
233 // Android stores the BrowserMainRunner instance as a scoped member pointer
234 // on the ShellMainDelegate class because of different object lifetime.
235 scoped_ptr<BrowserMainRunner> browser_runner_;
236 #endif
237
238 browser_runner_.reset(BrowserMainRunner::Create());
239 return ShellBrowserMain(main_function_params, browser_runner_);
240 }
241
242 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
ZygoteForked()243 void ShellMainDelegate::ZygoteForked() {
244 if (CommandLine::ForCurrentProcess()->HasSwitch(
245 switches::kEnableCrashReporter)) {
246 std::string process_type =
247 CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
248 switches::kProcessType);
249 breakpad::InitCrashReporter(process_type);
250 }
251 }
252 #endif
253
InitializeResourceBundle()254 void ShellMainDelegate::InitializeResourceBundle() {
255 #if defined(OS_ANDROID)
256 // In the Android case, the renderer runs with a different UID and can never
257 // access the file system. So we are passed a file descriptor to the
258 // ResourceBundle pak at launch time.
259 int pak_fd =
260 base::GlobalDescriptors::GetInstance()->MaybeGet(kShellPakDescriptor);
261 if (pak_fd != base::kInvalidPlatformFileValue) {
262 ui::ResourceBundle::InitSharedInstanceWithPakFile(pak_fd, false);
263 ResourceBundle::GetSharedInstance().AddDataPackFromFile(
264 pak_fd, ui::SCALE_FACTOR_100P);
265 return;
266 }
267 #endif
268
269 base::FilePath pak_file;
270 #if defined(OS_MACOSX)
271 pak_file = GetResourcesPakFilePath();
272 #else
273 base::FilePath pak_dir;
274
275 #if defined(OS_ANDROID)
276 bool got_path = PathService::Get(base::DIR_ANDROID_APP_DATA, &pak_dir);
277 DCHECK(got_path);
278 pak_dir = pak_dir.Append(FILE_PATH_LITERAL("paks"));
279 #else
280 PathService::Get(base::DIR_MODULE, &pak_dir);
281 #endif
282
283 pak_file = pak_dir.Append(FILE_PATH_LITERAL("content_shell.pak"));
284 #endif
285 ui::ResourceBundle::InitSharedInstanceWithPakPath(pak_file);
286 }
287
CreateContentBrowserClient()288 ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
289 browser_client_.reset(new ShellContentBrowserClient);
290 return browser_client_.get();
291 }
292
CreateContentRendererClient()293 ContentRendererClient* ShellMainDelegate::CreateContentRendererClient() {
294 renderer_client_.reset(new ShellContentRendererClient);
295 return renderer_client_.get();
296 }
297
298 } // namespace content
299