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/crash/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/crash/app/breakpad_win.h"
  61 #endif
  62
  63 #if defined(OS_POSIX) && !defined(OS_MACOSX)
  64 #include "components/crash/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 succeeds, we don't exit early. Instead we
 128     // continue and try to load the fonts in WebKitTestPlatformInitialize
 129     // below, and then try to bring up the rest of the content module.
 130     if (!CheckLayoutSystemDeps()) {
 131       if (exit_code)
 132         *exit_code = 1;
 133       return true;
 134     }
 135   }
 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     command_line.AppendSwitchASCII(switches::kUseGL,
 144                                    gfx::kGLImplementationOSMesaName);
 145     command_line.AppendSwitch(switches::kSkipGpuDataLoading);
 146     command_line.AppendSwitchASCII(switches::kTouchEvents,
 147                                    switches::kTouchEventsEnabled);
 148     command_line.AppendSwitchASCII(switches::kForceDeviceScaleFactor, "1.0");
 149 #if defined(OS_ANDROID)
 150     command_line.AppendSwitch(
 151         switches::kDisableGestureRequirementForMediaPlayback);
 152 #endif
 153
 154     if (!command_line.HasSwitch(switches::kStableReleaseMode)) {
 155       command_line.AppendSwitch(
 156         switches::kEnableExperimentalWebPlatformFeatures);
 157     }
 158
 159     if (!command_line.HasSwitch(switches::kEnableThreadedCompositing)) {
 160       command_line.AppendSwitch(switches::kDisableThreadedCompositing);
 161       command_line.AppendSwitch(cc::switches::kDisableThreadedAnimation);
 162       command_line.AppendSwitch(switches::kDisableImplSidePainting);
 163     }
 164
 165     command_line.AppendSwitch(switches::kEnableInbandTextTracks);
 166     command_line.AppendSwitch(switches::kMuteAudio);
 167
 168 #if defined(USE_AURA) || defined(OS_ANDROID) || defined(OS_MACOSX)
 169     // TODO: crbug.com/311404 Make layout tests work w/ delegated renderer.
 170     command_line.AppendSwitch(switches::kDisableDelegatedRenderer);
 171     command_line.AppendSwitch(cc::switches::kCompositeToMailbox);
 172 #endif
 173
 174     command_line.AppendSwitch(switches::kEnableFileCookies);
 175
 176     command_line.AppendSwitch(switches::kEnablePreciseMemoryInfo);
 177
 178     // Unless/until WebM files are added to the media layout tests, we need to
 179     // avoid removing MP4/H264/AAC so that layout tests can run on Android.
 180 #if !defined(OS_ANDROID)
 181     net::RemoveProprietaryMediaTypesAndCodecsForTests();
 182 #endif
 183
 184     if (!WebKitTestPlatformInitialize()) {
 185       if (exit_code)
 186         *exit_code = 1;
 187       return true;
 188     }
 189   }
 190   SetContentClient(&content_client_);
 191   return false;
 192 }
 193
 194 void ShellMainDelegate::PreSandboxStartup() {
 195 #if defined(ARCH_CPU_ARM_FAMILY) && (defined(OS_ANDROID) || defined(OS_LINUX))
 196   // Create an instance of the CPU class to parse /proc/cpuinfo and cache
 197   // cpu_brand info.
 198   base::CPU cpu_info;
 199 #endif
 200   if (CommandLine::ForCurrentProcess()->HasSwitch(
 201           switches::kEnableCrashReporter)) {
 202     std::string process_type =
 203         CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 204             switches::kProcessType);
 205     breakpad::SetBreakpadClient(g_shell_breakpad_client.Pointer());
 206 #if defined(OS_MACOSX)
 207     base::mac::DisableOSCrashDumps();
 208     breakpad::InitCrashReporter(process_type);
 209     breakpad::InitCrashProcessInfo(process_type);
 210 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
 211     if (process_type != switches::kZygoteProcess) {
 212 #if defined(OS_ANDROID)
 213       if (process_type.empty())
 214         breakpad::InitCrashReporter(process_type);
 215       else
 216         breakpad::InitNonBrowserCrashReporterForAndroid(process_type);
 217 #else
 218       breakpad::InitCrashReporter(process_type);
 219 #endif
 220     }
 221 #elif defined(OS_WIN)
 222     UINT new_flags =
 223         SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX;
 224     UINT existing_flags = SetErrorMode(new_flags);
 225     SetErrorMode(existing_flags | new_flags);
 226     breakpad::InitCrashReporter(process_type);
 227 #endif
 228   }
 229
 230   InitializeResourceBundle();
 231 }
 232
 233 int ShellMainDelegate::RunProcess(
 234     const std::string& process_type,
 235     const MainFunctionParams& main_function_params) {
 236   if (!process_type.empty())
 237     return -1;
 238
 239 #if !defined(OS_ANDROID)
 240   // Android stores the BrowserMainRunner instance as a scoped member pointer
 241   // on the ShellMainDelegate class because of different object lifetime.
 242   scoped_ptr<BrowserMainRunner> browser_runner_;
 243 #endif
 244
 245   browser_runner_.reset(BrowserMainRunner::Create());
 246   return ShellBrowserMain(main_function_params, browser_runner_);
 247 }
 248
 249 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 250 void ShellMainDelegate::ZygoteForked() {
 251   if (CommandLine::ForCurrentProcess()->HasSwitch(
 252           switches::kEnableCrashReporter)) {
 253     std::string process_type =
 254         CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 255             switches::kProcessType);
 256     breakpad::InitCrashReporter(process_type);
 257   }
 258 }
 259 #endif
 260
 261 void ShellMainDelegate::InitializeResourceBundle() {
 262 #if defined(OS_ANDROID)
 263   // In the Android case, the renderer runs with a different UID and can never
 264   // access the file system.  So we are passed a file descriptor to the
 265   // ResourceBundle pak at launch time.
 266   int pak_fd =
 267       base::GlobalDescriptors::GetInstance()->MaybeGet(kShellPakDescriptor);
 268   if (pak_fd >= 0) {
 269     // This is clearly wrong. See crbug.com/330930
 270     ui::ResourceBundle::InitSharedInstanceWithPakFileRegion(
 271         base::File(pak_fd), base::MemoryMappedFile::Region::kWholeFile);
 272     ResourceBundle::GetSharedInstance().AddDataPackFromFile(
 273         base::File(pak_fd), ui::SCALE_FACTOR_100P);
 274     return;
 275   }
 276 #endif
 277
 278   base::FilePath pak_file;
 279 #if defined(OS_MACOSX)
 280   pak_file = GetResourcesPakFilePath();
 281 #else
 282   base::FilePath pak_dir;
 283
 284 #if defined(OS_ANDROID)
 285   bool got_path = PathService::Get(base::DIR_ANDROID_APP_DATA, &pak_dir);
 286   DCHECK(got_path);
 287   pak_dir = pak_dir.Append(FILE_PATH_LITERAL("paks"));
 288 #else
 289   PathService::Get(base::DIR_MODULE, &pak_dir);
 290 #endif
 291
 292   pak_file = pak_dir.Append(FILE_PATH_LITERAL("content_shell.pak"));
 293 #endif
 294   ui::ResourceBundle::InitSharedInstanceWithPakPath(pak_file);
 295 }
 296
 297 ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
 298   browser_client_.reset(new ShellContentBrowserClient);
 299   return browser_client_.get();
 300 }
 301
 302 ContentRendererClient* ShellMainDelegate::CreateContentRendererClient() {
 303   renderer_client_.reset(new ShellContentRendererClient);
 304   return renderer_client_.get();
 305 }
 306
 307 }  // namespace content