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/blink_test_platform_support.h"
  21 #include "content/shell/app/shell_crash_reporter_client.h"
  22 #include "content/shell/browser/layout_test/layout_test_browser_main.h"
  23 #include "content/shell/browser/layout_test/layout_test_content_browser_client.h"
  24 #include "content/shell/browser/shell_browser_main.h"
  25 #include "content/shell/browser/shell_content_browser_client.h"
  26 #include "content/shell/common/shell_switches.h"
  27 #include "content/shell/renderer/layout_test/layout_test_content_renderer_client.h"
  28 #include "content/shell/renderer/shell_content_renderer_client.h"
  29 #include "media/base/media_switches.h"
  30 #include "net/cookies/cookie_monster.h"
  31 #include "ui/base/resource/resource_bundle.h"
  32 #include "ui/base/ui_base_paths.h"
  33 #include "ui/base/ui_base_switches.h"
  34 #include "ui/events/event_switches.h"
  35 #include "ui/gfx/switches.h"
  36 #include "ui/gl/gl_switches.h"
  37
  38 #include "ipc/ipc_message.h"  // For IPC_MESSAGE_LOG_ENABLED.
  39
  40 #if defined(IPC_MESSAGE_LOG_ENABLED)
  41 #define IPC_MESSAGE_MACROS_LOG_ENABLED
  42 #include "content/public/common/content_ipc_logging.h"
  43 #define IPC_LOG_TABLE_ADD_ENTRY(msg_id, logger) \
  44     content::RegisterIPCLogger(msg_id, logger)
  45 #include "content/shell/common/shell_messages.h"
  46 #endif
  47
  48 #if defined(OS_ANDROID)
  49 #include "base/posix/global_descriptors.h"
  50 #include "content/shell/android/shell_descriptors.h"
  51 #endif
  52
  53 #if defined(OS_MACOSX)
  54 #include "base/mac/os_crash_dumps.h"
  55 #include "components/crash/app/breakpad_mac.h"
  56 #include "content/shell/app/paths_mac.h"
  57 #include "content/shell/app/shell_main_delegate_mac.h"
  58 #endif  // OS_MACOSX
  59
  60 #if defined(OS_WIN)
  61 #include <initguid.h>
  62 #include <windows.h>
  63 #include "base/logging_win.h"
  64 #include "components/crash/app/breakpad_win.h"
  65 #include "content/shell/common/v8_breakpad_support_win.h"
  66 #endif
  67
  68 #if defined(OS_POSIX) && !defined(OS_MACOSX)
  69 #include "components/crash/app/breakpad_linux.h"
  70 #endif
  71
  72 namespace {
  73
  74 base::LazyInstance<content::ShellCrashReporterClient>::Leaky
  75     g_shell_crash_client = LAZY_INSTANCE_INITIALIZER;
  76
  77 #if defined(OS_WIN)
  78 // If "Content Shell" doesn't show up in your list of trace providers in
  79 // Sawbuck, add these registry entries to your machine (NOTE the optional
  80 // Wow6432Node key for x64 machines):
  81 // 1. Find:  HKLM\SOFTWARE\[Wow6432Node\]Google\Sawbuck\Providers
  82 // 2. Add a subkey with the name "{6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}"
  83 // 3. Add these values:
  84 //    "default_flags"=dword:00000001
  85 //    "default_level"=dword:00000004
  86 //    @="Content Shell"
  87
  88 // {6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}
  89 const GUID kContentShellProviderName = {
  90     0x6a3e50a4, 0x7e15, 0x4099,
  91         { 0x84, 0x13, 0xec, 0x94, 0xd8, 0xc2, 0xa4, 0xb6 } };
  92 #endif
  93
  94 void InitLogging() {
  95   base::FilePath log_filename;
  96   PathService::Get(base::DIR_EXE, &log_filename);
  97   log_filename = log_filename.AppendASCII("content_shell.log");
  98   logging::LoggingSettings settings;
  99   settings.logging_dest = logging::LOG_TO_ALL;
 100   settings.log_file = log_filename.value().c_str();
 101   settings.delete_old = logging::DELETE_OLD_LOG_FILE;
 102   logging::InitLogging(settings);
 103   logging::SetLogItems(true, true, true, true);
 104 }
 105
 106 }  // namespace
 107
 108 namespace content {
 109
 110 ShellMainDelegate::ShellMainDelegate() {
 111 }
 112
 113 ShellMainDelegate::~ShellMainDelegate() {
 114 }
 115
 116 bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
 117   base::CommandLine& command_line = *base::CommandLine::ForCurrentProcess();
 118
 119   // "dump-render-tree" has been renamed to "run-layout-test", but the old
 120   // flag name is still used in some places, so this check will remain until
 121   // it is phased out entirely.
 122   if (command_line.HasSwitch(switches::kDumpRenderTree))
 123     command_line.AppendSwitch(switches::kRunLayoutTest);
 124
 125 #if defined(OS_WIN)
 126   // Enable trace control and transport through event tracing for Windows.
 127   logging::LogEventProvider::Initialize(kContentShellProviderName);
 128
 129   v8_breakpad_support::SetUp();
 130 #endif
 131 #if defined(OS_MACOSX)
 132   // Needs to happen before InitializeResourceBundle() and before
 133   // BlinkTestPlatformInitialize() are called.
 134   OverrideFrameworkBundlePath();
 135   OverrideChildProcessPath();
 136   EnsureCorrectResolutionSettings();
 137 #endif  // OS_MACOSX
 138
 139   InitLogging();
 140   if (command_line.HasSwitch(switches::kCheckLayoutTestSysDeps)) {
 141     // If CheckLayoutSystemDeps succeeds, we don't exit early. Instead we
 142     // continue and try to load the fonts in BlinkTestPlatformInitialize
 143     // below, and then try to bring up the rest of the content module.
 144     if (!CheckLayoutSystemDeps()) {
 145       if (exit_code)
 146         *exit_code = 1;
 147       return true;
 148     }
 149   }
 150
 151   if (command_line.HasSwitch(switches::kRunLayoutTest)) {
 152     EnableBrowserLayoutTestMode();
 153
 154     command_line.AppendSwitch(switches::kProcessPerTab);
 155     command_line.AppendSwitch(switches::kEnableLogging);
 156     command_line.AppendSwitch(switches::kAllowFileAccessFromFiles);
 157     // only default to osmesa if the flag isn't already specified.
 158     if (!command_line.HasSwitch(switches::kUseGL)) {
 159       command_line.AppendSwitchASCII(switches::kUseGL,
 160                                      gfx::kGLImplementationOSMesaName);
 161     }
 162     command_line.AppendSwitch(switches::kSkipGpuDataLoading);
 163     command_line.AppendSwitchASCII(switches::kTouchEvents,
 164                                    switches::kTouchEventsEnabled);
 165     command_line.AppendSwitchASCII(switches::kForceDeviceScaleFactor, "1.0");
 166 #if defined(OS_ANDROID)
 167     command_line.AppendSwitch(
 168         switches::kDisableGestureRequirementForMediaPlayback);
 169 #endif
 170
 171     if (!command_line.HasSwitch(switches::kStableReleaseMode)) {
 172       command_line.AppendSwitch(
 173         switches::kEnableExperimentalWebPlatformFeatures);
 174     }
 175
 176     if (!command_line.HasSwitch(switches::kEnableThreadedCompositing)) {
 177       command_line.AppendSwitch(switches::kDisableThreadedCompositing);
 178       command_line.AppendSwitch(cc::switches::kDisableThreadedAnimation);
 179       // Text blobs are normally disabled when kDisableImplSidePainting is
 180       // present to ensure correct LCD behavior, but for layout tests we want
 181       // them on because LCD is always suppressed.
 182       command_line.AppendSwitch(switches::kForceTextBlobs);
 183     }
 184
 185     if (!command_line.HasSwitch(switches::kEnableDisplayList2dCanvas)) {
 186       command_line.AppendSwitch(switches::kDisableDisplayList2dCanvas);
 187     }
 188
 189     command_line.AppendSwitch(switches::kEnableInbandTextTracks);
 190     command_line.AppendSwitch(switches::kMuteAudio);
 191
 192     // TODO: crbug.com/311404 Make layout tests work w/ delegated renderer.
 193     command_line.AppendSwitch(switches::kDisableDelegatedRenderer);
 194     command_line.AppendSwitch(cc::switches::kCompositeToMailbox);
 195
 196     command_line.AppendSwitch(cc::switches::kEnablePropertyTreeVerification);
 197
 198     command_line.AppendSwitch(switches::kEnablePreciseMemoryInfo);
 199
 200     command_line.AppendSwitchASCII(switches::kHostResolverRules,
 201                                    "MAP *.test 127.0.0.1");
 202
 203     // TODO(wfh): crbug.com/295137 Remove this when NPAPI is gone.
 204     command_line.AppendSwitch(switches::kEnableNpapi);
 205
 206     // Unless/until WebM files are added to the media layout tests, we need to
 207     // avoid removing MP4/H264/AAC so that layout tests can run on Android.
 208 #if !defined(OS_ANDROID)
 209     net::RemoveProprietaryMediaTypesAndCodecsForTests();
 210 #endif
 211
 212     if (!BlinkTestPlatformInitialize()) {
 213       if (exit_code)
 214         *exit_code = 1;
 215       return true;
 216     }
 217   }
 218   SetContentClient(&content_client_);
 219   return false;
 220 }
 221
 222 void ShellMainDelegate::PreSandboxStartup() {
 223 #if defined(ARCH_CPU_ARM_FAMILY) && (defined(OS_ANDROID) || defined(OS_LINUX))
 224   // Create an instance of the CPU class to parse /proc/cpuinfo and cache
 225   // cpu_brand info.
 226   base::CPU cpu_info;
 227 #endif
 228   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
 229           switches::kEnableCrashReporter)) {
 230     std::string process_type =
 231         base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 232             switches::kProcessType);
 233     crash_reporter::SetCrashReporterClient(g_shell_crash_client.Pointer());
 234 #if defined(OS_MACOSX)
 235     base::mac::DisableOSCrashDumps();
 236     breakpad::InitCrashReporter(process_type);
 237     breakpad::InitCrashProcessInfo(process_type);
 238 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
 239     if (process_type != switches::kZygoteProcess) {
 240 #if defined(OS_ANDROID)
 241       if (process_type.empty())
 242         breakpad::InitCrashReporter(process_type);
 243       else
 244         breakpad::InitNonBrowserCrashReporterForAndroid(process_type);
 245 #else
 246       breakpad::InitCrashReporter(process_type);
 247 #endif
 248     }
 249 #elif defined(OS_WIN)
 250     UINT new_flags =
 251         SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX;
 252     UINT existing_flags = SetErrorMode(new_flags);
 253     SetErrorMode(existing_flags | new_flags);
 254     breakpad::InitCrashReporter(process_type);
 255 #endif
 256   }
 257
 258   InitializeResourceBundle();
 259 }
 260
 261 int ShellMainDelegate::RunProcess(
 262     const std::string& process_type,
 263     const MainFunctionParams& main_function_params) {
 264   if (!process_type.empty())
 265     return -1;
 266
 267 #if !defined(OS_ANDROID)
 268   // Android stores the BrowserMainRunner instance as a scoped member pointer
 269   // on the ShellMainDelegate class because of different object lifetime.
 270   scoped_ptr<BrowserMainRunner> browser_runner_;
 271 #endif
 272
 273   browser_runner_.reset(BrowserMainRunner::Create());
 274   base::CommandLine& command_line = *base::CommandLine::ForCurrentProcess();
 275   return command_line.HasSwitch(switches::kRunLayoutTest) ||
 276                  command_line.HasSwitch(switches::kCheckLayoutTestSysDeps)
 277              ? LayoutTestBrowserMain(main_function_params, browser_runner_)
 278              : ShellBrowserMain(main_function_params, browser_runner_);
 279 }
 280
 281 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 282 void ShellMainDelegate::ZygoteForked() {
 283   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
 284           switches::kEnableCrashReporter)) {
 285     std::string process_type =
 286         base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 287             switches::kProcessType);
 288     breakpad::InitCrashReporter(process_type);
 289   }
 290 }
 291 #endif
 292
 293 void ShellMainDelegate::InitializeResourceBundle() {
 294 #if defined(OS_ANDROID)
 295   // In the Android case, the renderer runs with a different UID and can never
 296   // access the file system.  So we are passed a file descriptor to the
 297   // ResourceBundle pak at launch time.
 298   int pak_fd =
 299       base::GlobalDescriptors::GetInstance()->MaybeGet(kShellPakDescriptor);
 300   if (pak_fd >= 0) {
 301     // This is clearly wrong. See crbug.com/330930
 302     ui::ResourceBundle::InitSharedInstanceWithPakFileRegion(
 303         base::File(pak_fd), base::MemoryMappedFile::Region::kWholeFile);
 304     ResourceBundle::GetSharedInstance().AddDataPackFromFile(
 305         base::File(pak_fd), ui::SCALE_FACTOR_100P);
 306     return;
 307   }
 308 #endif
 309
 310   base::FilePath pak_file;
 311 #if defined(OS_MACOSX)
 312   pak_file = GetResourcesPakFilePath();
 313 #else
 314   base::FilePath pak_dir;
 315
 316 #if defined(OS_ANDROID)
 317   bool got_path = PathService::Get(base::DIR_ANDROID_APP_DATA, &pak_dir);
 318   DCHECK(got_path);
 319   pak_dir = pak_dir.Append(FILE_PATH_LITERAL("paks"));
 320 #else
 321   PathService::Get(base::DIR_MODULE, &pak_dir);
 322 #endif
 323
 324   pak_file = pak_dir.Append(FILE_PATH_LITERAL("content_shell.pak"));
 325 #endif
 326   ui::ResourceBundle::InitSharedInstanceWithPakPath(pak_file);
 327 }
 328
 329 ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
 330   browser_client_.reset(base::CommandLine::ForCurrentProcess()->HasSwitch(
 331                             switches::kRunLayoutTest)
 332                             ? new LayoutTestContentBrowserClient
 333                             : new ShellContentBrowserClient);
 334
 335   return browser_client_.get();
 336 }
 337
 338 ContentRendererClient* ShellMainDelegate::CreateContentRendererClient() {
 339   renderer_client_.reset(base::CommandLine::ForCurrentProcess()->HasSwitch(
 340                              switches::kRunLayoutTest)
 341                              ? new LayoutTestContentRendererClient
 342                              : new ShellContentRendererClient);
 343
 344   return renderer_client_.get();
 345 }
 346
 347 }  // namespace content