src/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/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_crash_reporter_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 "media/base/media_switches.h"
  27 #include "net/cookies/cookie_monster.h"
  28 #include "ui/base/resource/resource_bundle.h"
  29 #include "ui/base/ui_base_paths.h"
  30 #include "ui/base/ui_base_switches.h"
  31 #include "ui/events/event_switches.h"
  32 #include "ui/gfx/switches.h"
  33 #include "ui/gl/gl_switches.h"
  34
  35 #include "ipc/ipc_message.h"  // For IPC_MESSAGE_LOG_ENABLED.
  36
  37 #if defined(IPC_MESSAGE_LOG_ENABLED)
  38 #define IPC_MESSAGE_MACROS_LOG_ENABLED
  39 #include "content/public/common/content_ipc_logging.h"
  40 #define IPC_LOG_TABLE_ADD_ENTRY(msg_id, logger) \
  41     content::RegisterIPCLogger(msg_id, logger)
  42 #include "content/shell/common/shell_messages.h"
  43 #endif
  44
  45 #if defined(OS_ANDROID)
  46 #include "base/posix/global_descriptors.h"
  47 #include "content/shell/android/shell_descriptors.h"
  48 #endif
  49
  50 #if defined(OS_MACOSX)
  51 #include "base/mac/os_crash_dumps.h"
  52 #include "components/crash/app/breakpad_mac.h"
  53 #include "content/shell/app/paths_mac.h"
  54 #include "content/shell/app/shell_main_delegate_mac.h"
  55 #endif  // OS_MACOSX
  56
  57 #if defined(OS_WIN)
  58 #include <initguid.h>
  59 #include <windows.h>
  60 #include "base/logging_win.h"
  61 #include "components/crash/app/breakpad_win.h"
  62 #endif
  63
  64 #if defined(OS_POSIX) && !defined(OS_MACOSX)
  65 #include "components/crash/app/breakpad_linux.h"
  66 #endif
  67
  68 namespace {
  69
  70 base::LazyInstance<content::ShellCrashReporterClient>::Leaky
  71     g_shell_crash_client = LAZY_INSTANCE_INITIALIZER;
  72
  73 #if defined(OS_WIN)
  74 // If "Content Shell" doesn't show up in your list of trace providers in
  75 // Sawbuck, add these registry entries to your machine (NOTE the optional
  76 // Wow6432Node key for x64 machines):
  77 // 1. Find:  HKLM\SOFTWARE\[Wow6432Node\]Google\Sawbuck\Providers
  78 // 2. Add a subkey with the name "{6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}"
  79 // 3. Add these values:
  80 //    "default_flags"=dword:00000001
  81 //    "default_level"=dword:00000004
  82 //    @="Content Shell"
  83
  84 // {6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}
  85 const GUID kContentShellProviderName = {
  86     0x6a3e50a4, 0x7e15, 0x4099,
  87         { 0x84, 0x13, 0xec, 0x94, 0xd8, 0xc2, 0xa4, 0xb6 } };
  88 #endif
  89
  90 void InitLogging() {
  91   base::FilePath log_filename;
  92   PathService::Get(base::DIR_EXE, &log_filename);
  93   log_filename = log_filename.AppendASCII("content_shell.log");
  94   logging::LoggingSettings settings;
  95   settings.logging_dest = logging::LOG_TO_ALL;
  96   settings.log_file = log_filename.value().c_str();
  97   settings.delete_old = logging::DELETE_OLD_LOG_FILE;
  98   logging::InitLogging(settings);
  99   logging::SetLogItems(true, true, true, true);
 100 }
 101
 102 }  // namespace
 103
 104 namespace content {
 105
 106 ShellMainDelegate::ShellMainDelegate() {
 107 }
 108
 109 ShellMainDelegate::~ShellMainDelegate() {
 110 }
 111
 112 bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
 113 #if defined(OS_WIN)
 114   // Enable trace control and transport through event tracing for Windows.
 115   logging::LogEventProvider::Initialize(kContentShellProviderName);
 116 #endif
 117 #if defined(OS_MACOSX)
 118   // Needs to happen before InitializeResourceBundle() and before
 119   // WebKitTestPlatformInitialize() are called.
 120   OverrideFrameworkBundlePath();
 121   OverrideChildProcessPath();
 122   EnsureCorrectResolutionSettings();
 123 #endif  // OS_MACOSX
 124
 125   InitLogging();
 126   CommandLine& command_line = *CommandLine::ForCurrentProcess();
 127   if (command_line.HasSwitch(switches::kCheckLayoutTestSysDeps)) {
 128     // If CheckLayoutSystemDeps succeeds, we don't exit early. Instead we
 129     // continue and try to load the fonts in WebKitTestPlatformInitialize
 130     // below, and then try to bring up the rest of the content module.
 131     if (!CheckLayoutSystemDeps()) {
 132       if (exit_code)
 133         *exit_code = 1;
 134       return true;
 135     }
 136   }
 137
 138   if (command_line.HasSwitch(switches::kDumpRenderTree)) {
 139     EnableBrowserLayoutTestMode();
 140
 141     command_line.AppendSwitch(switches::kProcessPerTab);
 142     command_line.AppendSwitch(switches::kEnableLogging);
 143     command_line.AppendSwitch(switches::kAllowFileAccessFromFiles);
 144     command_line.AppendSwitchASCII(switches::kUseGL,
 145                                    gfx::kGLImplementationOSMesaName);
 146     command_line.AppendSwitch(switches::kSkipGpuDataLoading);
 147     command_line.AppendSwitchASCII(switches::kTouchEvents,
 148                                    switches::kTouchEventsEnabled);
 149     command_line.AppendSwitchASCII(switches::kForceDeviceScaleFactor, "1.0");
 150 #if defined(OS_ANDROID)
 151     command_line.AppendSwitch(
 152         switches::kDisableGestureRequirementForMediaPlayback);
 153 #endif
 154
 155     if (!command_line.HasSwitch(switches::kStableReleaseMode)) {
 156       command_line.AppendSwitch(
 157         switches::kEnableExperimentalWebPlatformFeatures);
 158     }
 159
 160     if (!command_line.HasSwitch(switches::kEnableThreadedCompositing)) {
 161       command_line.AppendSwitch(switches::kDisableThreadedCompositing);
 162       command_line.AppendSwitch(cc::switches::kDisableThreadedAnimation);
 163       command_line.AppendSwitch(switches::kDisableImplSidePainting);
 164     }
 165
 166     command_line.AppendSwitch(switches::kEnableInbandTextTracks);
 167     command_line.AppendSwitch(switches::kMuteAudio);
 168
 169 #if defined(USE_AURA) || defined(OS_ANDROID) || defined(OS_MACOSX)
 170     // TODO: crbug.com/311404 Make layout tests work w/ delegated renderer.
 171     command_line.AppendSwitch(switches::kDisableDelegatedRenderer);
 172     command_line.AppendSwitch(cc::switches::kCompositeToMailbox);
 173 #endif
 174
 175     command_line.AppendSwitch(switches::kEnableFileCookies);
 176
 177     command_line.AppendSwitch(switches::kEnablePreciseMemoryInfo);
 178
 179     command_line.AppendSwitchASCII(switches::kHostResolverRules,
 180                                    "MAP *.test 127.0.0.1");
 181
 182     // Unless/until WebM files are added to the media layout tests, we need to
 183     // avoid removing MP4/H264/AAC so that layout tests can run on Android.
 184 #if !defined(OS_ANDROID)
 185     net::RemoveProprietaryMediaTypesAndCodecsForTests();
 186 #endif
 187
 188     if (!WebKitTestPlatformInitialize()) {
 189       if (exit_code)
 190         *exit_code = 1;
 191       return true;
 192     }
 193   }
 194   SetContentClient(&content_client_);
 195   return false;
 196 }
 197
 198 void ShellMainDelegate::PreSandboxStartup() {
 199 #if defined(ARCH_CPU_ARM_FAMILY) && (defined(OS_ANDROID) || defined(OS_LINUX))
 200   // Create an instance of the CPU class to parse /proc/cpuinfo and cache
 201   // cpu_brand info.
 202   base::CPU cpu_info;
 203 #endif
 204   if (CommandLine::ForCurrentProcess()->HasSwitch(
 205           switches::kEnableCrashReporter)) {
 206     std::string process_type =
 207         CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 208             switches::kProcessType);
 209     crash_reporter::SetCrashReporterClient(g_shell_crash_client.Pointer());
 210 #if defined(OS_MACOSX)
 211     base::mac::DisableOSCrashDumps();
 212     breakpad::InitCrashReporter(process_type);
 213     breakpad::InitCrashProcessInfo(process_type);
 214 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
 215     if (process_type != switches::kZygoteProcess) {
 216 #if defined(OS_ANDROID)
 217       if (process_type.empty())
 218         breakpad::InitCrashReporter(process_type);
 219       else
 220         breakpad::InitNonBrowserCrashReporterForAndroid(process_type);
 221 #else
 222       breakpad::InitCrashReporter(process_type);
 223 #endif
 224     }
 225 #elif defined(OS_WIN)
 226     UINT new_flags =
 227         SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX;
 228     UINT existing_flags = SetErrorMode(new_flags);
 229     SetErrorMode(existing_flags | new_flags);
 230     breakpad::InitCrashReporter(process_type);
 231 #endif
 232   }
 233
 234   InitializeResourceBundle();
 235 }
 236
 237 int ShellMainDelegate::RunProcess(
 238     const std::string& process_type,
 239     const MainFunctionParams& main_function_params) {
 240   if (!process_type.empty())
 241     return -1;
 242
 243 #if !defined(OS_ANDROID)
 244   // Android stores the BrowserMainRunner instance as a scoped member pointer
 245   // on the ShellMainDelegate class because of different object lifetime.
 246   scoped_ptr<BrowserMainRunner> browser_runner_;
 247 #endif
 248
 249   browser_runner_.reset(BrowserMainRunner::Create());
 250   return ShellBrowserMain(main_function_params, browser_runner_);
 251 }
 252
 253 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 254 void ShellMainDelegate::ZygoteForked() {
 255   if (CommandLine::ForCurrentProcess()->HasSwitch(
 256           switches::kEnableCrashReporter)) {
 257     std::string process_type =
 258         CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 259             switches::kProcessType);
 260     breakpad::InitCrashReporter(process_type);
 261   }
 262 }
 263 #endif
 264
 265 void ShellMainDelegate::InitializeResourceBundle() {
 266 #if defined(OS_ANDROID)
 267   // In the Android case, the renderer runs with a different UID and can never
 268   // access the file system.  So we are passed a file descriptor to the
 269   // ResourceBundle pak at launch time.
 270   int pak_fd =
 271       base::GlobalDescriptors::GetInstance()->MaybeGet(kShellPakDescriptor);
 272   if (pak_fd >= 0) {
 273     // This is clearly wrong. See crbug.com/330930
 274     ui::ResourceBundle::InitSharedInstanceWithPakFileRegion(
 275         base::File(pak_fd), base::MemoryMappedFile::Region::kWholeFile);
 276     ResourceBundle::GetSharedInstance().AddDataPackFromFile(
 277         base::File(pak_fd), ui::SCALE_FACTOR_100P);
 278     return;
 279   }
 280 #endif
 281
 282   base::FilePath pak_file;
 283 #if defined(OS_MACOSX)
 284   pak_file = GetResourcesPakFilePath();
 285 #else
 286   base::FilePath pak_dir;
 287
 288 #if defined(OS_ANDROID)
 289   bool got_path = PathService::Get(base::DIR_ANDROID_APP_DATA, &pak_dir);
 290   DCHECK(got_path);
 291   pak_dir = pak_dir.Append(FILE_PATH_LITERAL("paks"));
 292 #else
 293   PathService::Get(base::DIR_MODULE, &pak_dir);
 294 #endif
 295
 296   pak_file = pak_dir.Append(FILE_PATH_LITERAL("content_shell.pak"));
 297 #endif
 298   ui::ResourceBundle::InitSharedInstanceWithPakPath(pak_file);
 299 }
 300
 301 ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
 302   browser_client_.reset(new ShellContentBrowserClient);
 303   return browser_client_.get();
 304 }
 305
 306 ContentRendererClient* ShellMainDelegate::CreateContentRendererClient() {
 307   renderer_client_.reset(new ShellContentRendererClient);
 308   return renderer_client_.get();
 309 }
 310
 311 }  // namespace content