content/shell/app/shell_main_delegate.cc

   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
  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
 103 ShellMainDelegate::ShellMainDelegate() {
 104 }
 105
 106 ShellMainDelegate::~ShellMainDelegate() {
 107 }
 108
 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 defined(OS_ANDROID)
 133   // Disable <canvas> path antialiasing for consistency with Android Chrome.
 134   command_line.AppendSwitch(switches::kDisable2dCanvasAntialiasing);
 135 #endif
 136
 137   if (command_line.HasSwitch(switches::kDumpRenderTree)) {
 138     EnableBrowserLayoutTestMode();
 139
 140     command_line.AppendSwitch(switches::kProcessPerTab);
 141     command_line.AppendSwitch(switches::kEnableLogging);
 142     command_line.AppendSwitch(switches::kAllowFileAccessFromFiles);
 143 #if !defined(OS_ANDROID)
 144     // OSMesa is not yet available for Android. http://crbug.com/248925
 145     command_line.AppendSwitchASCII(
 146         switches::kUseGL, gfx::kGLImplementationOSMesaName);
 147 #endif
 148     command_line.AppendSwitch(switches::kSkipGpuDataLoading);
 149     command_line.AppendSwitchASCII(switches::kTouchEvents,
 150                                    switches::kTouchEventsEnabled);
 151     command_line.AppendSwitch(switches::kEnableGestureTapHighlight);
 152     command_line.AppendSwitchASCII(switches::kForceDeviceScaleFactor, "1.0");
 153 #if defined(OS_ANDROID)
 154     command_line.AppendSwitch(
 155         switches::kDisableGestureRequirementForMediaPlayback);
 156     // Capturing pixel results does not yet work when implementation-side
 157     // painting is enabled. See http://crbug.com/250777
 158     command_line.AppendSwitch(cc::switches::kDisableImplSidePainting);
 159 #endif
 160
 161     if (!command_line.HasSwitch(switches::kStableReleaseMode)) {
 162       command_line.AppendSwitch(
 163         switches::kEnableExperimentalWebPlatformFeatures);
 164     }
 165
 166     if (!command_line.HasSwitch(switches::kEnableThreadedCompositing))
 167       command_line.AppendSwitch(cc::switches::kDisableThreadedAnimation);
 168
 169     command_line.AppendSwitch(switches::kEnableInbandTextTracks);
 170     command_line.AppendSwitch(switches::kMuteAudio);
 171
 172     net::CookieMonster::EnableFileScheme();
 173
 174     // Unless/until WebM files are added to the media layout tests, we need to
 175     // avoid removing MP4/H264/AAC so that layout tests can run on Android.
 176 #if !defined(OS_ANDROID)
 177     net::RemoveProprietaryMediaTypesAndCodecsForTests();
 178 #endif
 179
 180     if (!WebKitTestPlatformInitialize()) {
 181       if (exit_code)
 182         *exit_code = 1;
 183       return true;
 184     }
 185   }
 186   SetContentClient(&content_client_);
 187   return false;
 188 }
 189
 190 void ShellMainDelegate::PreSandboxStartup() {
 191   if (CommandLine::ForCurrentProcess()->HasSwitch(
 192           switches::kEnableCrashReporter)) {
 193     breakpad::SetBreakpadClient(g_shell_breakpad_client.Pointer());
 194 #if defined(OS_MACOSX)
 195     base::mac::DisableOSCrashDumps();
 196     breakpad::InitCrashReporter();
 197     breakpad::InitCrashProcessInfo();
 198 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
 199     std::string process_type =
 200         CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 201             switches::kProcessType);
 202     if (!process_type.empty() && process_type != switches::kZygoteProcess) {
 203 #if defined(OS_ANDROID)
 204       breakpad::InitNonBrowserCrashReporterForAndroid();
 205 #else
 206       breakpad::InitCrashReporter();
 207 #endif
 208     }
 209 #elif defined(OS_WIN)
 210     UINT new_flags =
 211         SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX;
 212     UINT existing_flags = SetErrorMode(new_flags);
 213     SetErrorMode(existing_flags | new_flags);
 214     breakpad::InitCrashReporter();
 215 #endif
 216   }
 217
 218   InitializeResourceBundle();
 219 }
 220
 221 int ShellMainDelegate::RunProcess(
 222     const std::string& process_type,
 223     const MainFunctionParams& main_function_params) {
 224   if (!process_type.empty())
 225     return -1;
 226
 227 #if !defined(OS_ANDROID)
 228   // Android stores the BrowserMainRunner instance as a scoped member pointer
 229   // on the ShellMainDelegate class because of different object lifetime.
 230   scoped_ptr<BrowserMainRunner> browser_runner_;
 231 #endif
 232
 233   browser_runner_.reset(BrowserMainRunner::Create());
 234   return ShellBrowserMain(main_function_params, browser_runner_);
 235 }
 236
 237 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 238 void ShellMainDelegate::ZygoteForked() {
 239   if (CommandLine::ForCurrentProcess()->HasSwitch(
 240           switches::kEnableCrashReporter)) {
 241     breakpad::InitCrashReporter();
 242   }
 243 }
 244 #endif
 245
 246 void ShellMainDelegate::InitializeResourceBundle() {
 247 #if defined(OS_ANDROID)
 248   // In the Android case, the renderer runs with a different UID and can never
 249   // access the file system.  So we are passed a file descriptor to the
 250   // ResourceBundle pak at launch time.
 251   int pak_fd =
 252       base::GlobalDescriptors::GetInstance()->MaybeGet(kShellPakDescriptor);
 253   if (pak_fd != base::kInvalidPlatformFileValue) {
 254     ui::ResourceBundle::InitSharedInstanceWithPakFile(pak_fd, false);
 255     ResourceBundle::GetSharedInstance().AddDataPackFromFile(
 256         pak_fd, ui::SCALE_FACTOR_100P);
 257     return;
 258   }
 259 #endif
 260
 261   base::FilePath pak_file;
 262 #if defined(OS_MACOSX)
 263   pak_file = GetResourcesPakFilePath();
 264 #else
 265   base::FilePath pak_dir;
 266
 267 #if defined(OS_ANDROID)
 268   bool got_path = PathService::Get(base::DIR_ANDROID_APP_DATA, &pak_dir);
 269   DCHECK(got_path);
 270   pak_dir = pak_dir.Append(FILE_PATH_LITERAL("paks"));
 271 #else
 272   PathService::Get(base::DIR_MODULE, &pak_dir);
 273 #endif
 274
 275   pak_file = pak_dir.Append(FILE_PATH_LITERAL("content_shell.pak"));
 276 #endif
 277   ui::ResourceBundle::InitSharedInstanceWithPakPath(pak_file);
 278 }
 279
 280 ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
 281   browser_client_.reset(new ShellContentBrowserClient);
 282   return browser_client_.get();
 283 }
 284
 285 ContentRendererClient* ShellMainDelegate::CreateContentRendererClient() {
 286   renderer_client_.reset(new ShellContentRendererClient);
 287   return renderer_client_.get();
 288 }
 289
 290 }  // namespace content