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_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
  67 namespace {
  68
  69 base::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}
  84 const GUID kContentShellProviderName = {
  85     0x6a3e50a4, 0x7e15, 0x4099,
  86         { 0x84, 0x13, 0xec, 0x94, 0xd8, 0xc2, 0xa4, 0xb6 } };
  87 #endif
  88
  89 void 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
 103 namespace content {
 104
 105 ShellMainDelegate::ShellMainDelegate() {
 106 }
 107
 108 ShellMainDelegate::~ShellMainDelegate() {
 109 }
 110
 111 bool 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
 191 void 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
 230 int 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)
 247 void 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
 258 void 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
 294 ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
 295   browser_client_.reset(new ShellContentBrowserClient);
 296   return browser_client_.get();
 297 }
 298
 299 ContentRendererClient* ShellMainDelegate::CreateContentRendererClient() {
 300   renderer_client_.reset(new ShellContentRendererClient);
 301   return renderer_client_.get();
 302 }
 303
 304 }  // namespace content