shell_main_delegate.cc revision 46d4c2bc3267f3f028f39e7e311b0f89aba2e4fd 
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/cpu.h"
10#include "base/files/file.h"
11#include "base/files/file_path.h"
12#include "base/lazy_instance.h"
13#include "base/logging.h"
14#include "base/path_service.h"
15#include "cc/base/switches.h"
16#include "content/public/browser/browser_main_runner.h"
17#include "content/public/common/content_switches.h"
18#include "content/public/common/url_constants.h"
19#include "content/public/test/layouttest_support.h"
20#include "content/shell/app/shell_breakpad_client.h"
21#include "content/shell/app/webkit_test_platform_support.h"
22#include "content/shell/browser/shell_browser_main.h"
23#include "content/shell/browser/shell_content_browser_client.h"
24#include "content/shell/common/shell_switches.h"
25#include "content/shell/renderer/shell_content_renderer_client.h"
26#include "net/cookies/cookie_monster.h"
27#include "ui/base/resource/resource_bundle.h"
28#include "ui/base/ui_base_paths.h"
29#include "ui/base/ui_base_switches.h"
30#include "ui/events/event_switches.h"
31#include "ui/gfx/switches.h"
32#include "ui/gl/gl_switches.h"
33
34#include "ipc/ipc_message.h"  // For IPC_MESSAGE_LOG_ENABLED.
35
36#if defined(IPC_MESSAGE_LOG_ENABLED)
37#define IPC_MESSAGE_MACROS_LOG_ENABLED
38#include "content/public/common/content_ipc_logging.h"
39#define IPC_LOG_TABLE_ADD_ENTRY(msg_id, logger) \
40    content::RegisterIPCLogger(msg_id, logger)
41#include "content/shell/common/shell_messages.h"
42#endif
43
44#if defined(OS_ANDROID)
45#include "base/posix/global_descriptors.h"
46#include "content/shell/android/shell_descriptors.h"
47#endif
48
49#if defined(OS_MACOSX)
50#include "base/mac/os_crash_dumps.h"
51#include "components/breakpad/app/breakpad_mac.h"
52#include "content/shell/app/paths_mac.h"
53#include "content/shell/app/shell_main_delegate_mac.h"
54#endif  // OS_MACOSX
55
56#if defined(OS_WIN)
57#include <initguid.h>
58#include <windows.h>
59#include "base/logging_win.h"
60#include "components/breakpad/app/breakpad_win.h"
61#endif
62
63#if defined(OS_POSIX) && !defined(OS_MACOSX)
64#include "components/breakpad/app/breakpad_linux.h"
65#endif
66
67namespace {
68
69base::LazyInstance<content::ShellBreakpadClient>::Leaky
70    g_shell_breakpad_client = LAZY_INSTANCE_INITIALIZER;
71
72#if defined(OS_WIN)
73// If "Content Shell" doesn't show up in your list of trace providers in
74// Sawbuck, add these registry entries to your machine (NOTE the optional
75// Wow6432Node key for x64 machines):
76// 1. Find:  HKLM\SOFTWARE\[Wow6432Node\]Google\Sawbuck\Providers
77// 2. Add a subkey with the name "{6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}"
78// 3. Add these values:
79//    "default_flags"=dword:00000001
80//    "default_level"=dword:00000004
81//    @="Content Shell"
82
83// {6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}
84const GUID kContentShellProviderName = {
85    0x6a3e50a4, 0x7e15, 0x4099,
86        { 0x84, 0x13, 0xec, 0x94, 0xd8, 0xc2, 0xa4, 0xb6 } };
87#endif
88
89void InitLogging() {
90  base::FilePath log_filename;
91  PathService::Get(base::DIR_EXE, &log_filename);
92  log_filename = log_filename.AppendASCII("content_shell.log");
93  logging::LoggingSettings settings;
94  settings.logging_dest = logging::LOG_TO_ALL;
95  settings.log_file = log_filename.value().c_str();
96  settings.delete_old = logging::DELETE_OLD_LOG_FILE;
97  logging::InitLogging(settings);
98  logging::SetLogItems(true, true, true, true);
99}
100
101}  // namespace
102
103namespace content {
104
105ShellMainDelegate::ShellMainDelegate() {
106}
107
108ShellMainDelegate::~ShellMainDelegate() {
109}
110
111bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
112#if defined(OS_WIN)
113  // Enable trace control and transport through event tracing for Windows.
114  logging::LogEventProvider::Initialize(kContentShellProviderName);
115#endif
116#if defined(OS_MACOSX)
117  // Needs to happen before InitializeResourceBundle() and before
118  // WebKitTestPlatformInitialize() are called.
119  OverrideFrameworkBundlePath();
120  OverrideChildProcessPath();
121  EnsureCorrectResolutionSettings();
122#endif  // OS_MACOSX
123
124  InitLogging();
125  CommandLine& command_line = *CommandLine::ForCurrentProcess();
126  if (command_line.HasSwitch(switches::kCheckLayoutTestSysDeps)) {
127    if (!CheckLayoutSystemDeps()) {
128      if (exit_code)
129        *exit_code = 1;
130      return true;
131    }
132  }
133
134  if (command_line.HasSwitch(switches::kDumpRenderTree)) {
135    EnableBrowserLayoutTestMode();
136
137    command_line.AppendSwitch(switches::kProcessPerTab);
138    command_line.AppendSwitch(switches::kEnableLogging);
139    command_line.AppendSwitch(switches::kAllowFileAccessFromFiles);
140    command_line.AppendSwitchASCII(switches::kUseGL,
141                                   gfx::kGLImplementationOSMesaName);
142    command_line.AppendSwitch(switches::kSkipGpuDataLoading);
143    command_line.AppendSwitchASCII(switches::kTouchEvents,
144                                   switches::kTouchEventsEnabled);
145    command_line.AppendSwitch(switches::kEnableGestureTapHighlight);
146    command_line.AppendSwitchASCII(switches::kForceDeviceScaleFactor, "1.0");
147#if defined(OS_ANDROID)
148    command_line.AppendSwitch(
149        switches::kDisableGestureRequirementForMediaPlayback);
150#endif
151
152    if (!command_line.HasSwitch(switches::kStableReleaseMode)) {
153      command_line.AppendSwitch(
154        switches::kEnableExperimentalWebPlatformFeatures);
155    }
156
157    if (!command_line.HasSwitch(switches::kEnableThreadedCompositing)) {
158      command_line.AppendSwitch(switches::kDisableThreadedCompositing);
159      command_line.AppendSwitch(cc::switches::kDisableThreadedAnimation);
160    }
161
162    command_line.AppendSwitch(switches::kEnableInbandTextTracks);
163    command_line.AppendSwitch(switches::kMuteAudio);
164
165#if defined(USE_AURA) || defined(OS_ANDROID)
166    // TODO: crbug.com/311404 Make layout tests work w/ delegated renderer.
167    command_line.AppendSwitch(switches::kDisableDelegatedRenderer);
168    command_line.AppendSwitch(cc::switches::kCompositeToMailbox);
169#endif
170
171    command_line.AppendSwitch(switches::kEnableFileCookies);
172
173    command_line.AppendSwitch(switches::kEnablePreciseMemoryInfo);
174
175    // Unless/until WebM files are added to the media layout tests, we need to
176    // avoid removing MP4/H264/AAC so that layout tests can run on Android.
177#if !defined(OS_ANDROID)
178    net::RemoveProprietaryMediaTypesAndCodecsForTests();
179#endif
180
181    if (!WebKitTestPlatformInitialize()) {
182      if (exit_code)
183        *exit_code = 1;
184      return true;
185    }
186  }
187  SetContentClient(&content_client_);
188  return false;
189}
190
191void ShellMainDelegate::PreSandboxStartup() {
192#if defined(ARCH_CPU_ARM_FAMILY) && (defined(OS_ANDROID) || defined(OS_LINUX))
193  // Create an instance of the CPU class to parse /proc/cpuinfo and cache
194  // cpu_brand info.
195  base::CPU cpu_info;
196#endif
197  if (CommandLine::ForCurrentProcess()->HasSwitch(
198          switches::kEnableCrashReporter)) {
199    std::string process_type =
200        CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
201            switches::kProcessType);
202    breakpad::SetBreakpadClient(g_shell_breakpad_client.Pointer());
203#if defined(OS_MACOSX)
204    base::mac::DisableOSCrashDumps();
205    breakpad::InitCrashReporter(process_type);
206    breakpad::InitCrashProcessInfo(process_type);
207#elif defined(OS_POSIX) && !defined(OS_MACOSX)
208    if (process_type != switches::kZygoteProcess) {
209#if defined(OS_ANDROID)
210      if (process_type.empty())
211        breakpad::InitCrashReporter(process_type);
212      else
213        breakpad::InitNonBrowserCrashReporterForAndroid(process_type);
214#else
215      breakpad::InitCrashReporter(process_type);
216#endif
217    }
218#elif defined(OS_WIN)
219    UINT new_flags =
220        SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX;
221    UINT existing_flags = SetErrorMode(new_flags);
222    SetErrorMode(existing_flags | new_flags);
223    breakpad::InitCrashReporter(process_type);
224#endif
225  }
226
227  InitializeResourceBundle();
228}
229
230int ShellMainDelegate::RunProcess(
231    const std::string& process_type,
232    const MainFunctionParams& main_function_params) {
233  if (!process_type.empty())
234    return -1;
235
236#if !defined(OS_ANDROID)
237  // Android stores the BrowserMainRunner instance as a scoped member pointer
238  // on the ShellMainDelegate class because of different object lifetime.
239  scoped_ptr<BrowserMainRunner> browser_runner_;
240#endif
241
242  browser_runner_.reset(BrowserMainRunner::Create());
243  return ShellBrowserMain(main_function_params, browser_runner_);
244}
245
246#if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
247void ShellMainDelegate::ZygoteForked() {
248  if (CommandLine::ForCurrentProcess()->HasSwitch(
249          switches::kEnableCrashReporter)) {
250    std::string process_type =
251        CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
252            switches::kProcessType);
253    breakpad::InitCrashReporter(process_type);
254  }
255}
256#endif
257
258void ShellMainDelegate::InitializeResourceBundle() {
259#if defined(OS_ANDROID)
260  // In the Android case, the renderer runs with a different UID and can never
261  // access the file system.  So we are passed a file descriptor to the
262  // ResourceBundle pak at launch time.
263  int pak_fd =
264      base::GlobalDescriptors::GetInstance()->MaybeGet(kShellPakDescriptor);
265  if (pak_fd >= 0) {
266    // This is clearly wrong. See crbug.com/330930
267    ui::ResourceBundle::InitSharedInstanceWithPakFile(base::File(pak_fd),
268                                                      false);
269    ResourceBundle::GetSharedInstance().AddDataPackFromFile(
270        base::File(pak_fd), ui::SCALE_FACTOR_100P);
271    return;
272  }
273#endif
274
275  base::FilePath pak_file;
276#if defined(OS_MACOSX)
277  pak_file = GetResourcesPakFilePath();
278#else
279  base::FilePath pak_dir;
280
281#if defined(OS_ANDROID)
282  bool got_path = PathService::Get(base::DIR_ANDROID_APP_DATA, &pak_dir);
283  DCHECK(got_path);
284  pak_dir = pak_dir.Append(FILE_PATH_LITERAL("paks"));
285#else
286  PathService::Get(base::DIR_MODULE, &pak_dir);
287#endif
288
289  pak_file = pak_dir.Append(FILE_PATH_LITERAL("content_shell.pak"));
290#endif
291  ui::ResourceBundle::InitSharedInstanceWithPakPath(pak_file);
292}
293
294ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
295  browser_client_.reset(new ShellContentBrowserClient);
296  return browser_client_.get();
297}
298
299ContentRendererClient* ShellMainDelegate::CreateContentRendererClient() {
300  renderer_client_.reset(new ShellContentRendererClient);
301  return renderer_client_.get();
302}
303
304}  // namespace content
305