win8/metro_driver/metro_driver.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 "stdafx.h"
   6 #include "win8/metro_driver/metro_driver.h"
   7
   8 #include <roerrorapi.h>
   9 #include <shobjidl.h>
  10
  11 #include "base/at_exit.h"
  12 #include "base/command_line.h"
  13 #include "base/logging.h"
  14 #include "base/logging_win.h"
  15 #include "base/win/scoped_comptr.h"
  16 #include "base/win/windows_version.h"
  17 #include "win8/metro_driver/winrt_utils.h"
  18
  19 namespace {
  20
  21 #if !defined(NDEBUG)
  22 LONG WINAPI ErrorReportingHandler(EXCEPTION_POINTERS* ex_info) {
  23   // See roerrorapi.h for a description of the
  24   // exception codes and parameters.
  25   DWORD code = ex_info->ExceptionRecord->ExceptionCode;
  26   ULONG_PTR* info = ex_info->ExceptionRecord->ExceptionInformation;
  27   if (code == EXCEPTION_RO_ORIGINATEERROR) {
  28     base::string16 msg(reinterpret_cast<wchar_t*>(info[2]), info[1]);
  29     LOG(ERROR) << "VEH: Metro error 0x" << std::hex << info[0] << ": " << msg;
  30   } else if (code == EXCEPTION_RO_TRANSFORMERROR) {
  31     base::string16 msg(reinterpret_cast<wchar_t*>(info[3]), info[2]);
  32     LOG(ERROR) << "VEH: Metro old error 0x" << std::hex << info[0]
  33                << " new error 0x" << info[1] << ": " << msg;
  34   }
  35
  36   return EXCEPTION_CONTINUE_SEARCH;
  37 }
  38 #endif
  39
  40 void SetMetroReportingFlags() {
  41 #if !defined(NDEBUG)
  42   // Set the error reporting flags to always raise an exception,
  43   // which is then processed by our vectored exception handling
  44   // above to log the error message.
  45   winfoundtn::Diagnostics::SetErrorReportingFlags(
  46       winfoundtn::Diagnostics::UseSetErrorInfo |
  47       winfoundtn::Diagnostics::ForceExceptions);
  48 #endif
  49 }
  50
  51 // TODO(robertshield): This GUID is hard-coded in a bunch of places that
  52 //     don't allow explicit includes. Find a single place for it to live.
  53 // {7FE69228-633E-4f06-80C1-527FEA23E3A7}
  54 const GUID kChromeTraceProviderName = {
  55     0x7fe69228, 0x633e, 0x4f06,
  56         { 0x80, 0xc1, 0x52, 0x7f, 0xea, 0x23, 0xe3, 0xa7 } };
  57
  58 }  // namespace
  59
  60 #if !defined(COMPONENT_BUILD)
  61 // Required for base initialization.
  62 // TODO(siggi): This should be handled better, as this way our at exit
  63 //     registrations will run under the loader's lock. However,
  64 //     once metro_driver is merged into Chrome.dll, this will go away anyhow.
  65 base::AtExitManager at_exit;
  66 #endif
  67
  68 mswr::ComPtr<winapp::Core::ICoreApplication> InitWindows8() {
  69   SetMetroReportingFlags();
  70   HRESULT hr = ::Windows::Foundation::Initialize(RO_INIT_MULTITHREADED);
  71   if (FAILED(hr))
  72     CHECK(false);
  73   mswr::ComPtr<winapp::Core::ICoreApplication> core_app;
  74   hr = winrt_utils::CreateActivationFactory(
  75       RuntimeClass_Windows_ApplicationModel_Core_CoreApplication,
  76       core_app.GetAddressOf());
  77   if (FAILED(hr))
  78     CHECK(false);
  79   return core_app;
  80 }
  81
  82 mswr::ComPtr<winapp::Core::ICoreApplication> InitWindows7();
  83
  84 extern "C" __declspec(dllexport)
  85 int InitMetro() {
  86   // Metro mode or its emulation is not supported in Vista or XP.
  87   if (base::win::GetVersion() < base::win::VERSION_WIN7)
  88     return 1;
  89   // Initialize the command line.
  90   base::CommandLine::Init(0, NULL);
  91   // Initialize the logging system.
  92   logging::LoggingSettings settings;
  93   settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
  94   logging::InitLogging(settings);
  95 #if defined(NDEBUG)
  96   logging::SetMinLogLevel(logging::LOG_ERROR);
  97 #else
  98   logging::SetMinLogLevel(logging::LOG_VERBOSE);
  99     HANDLE registration =
 100       ::AddVectoredExceptionHandler(TRUE, ErrorReportingHandler);
 101 #endif
 102   // Enable trace control and transport through event tracing for Windows.
 103   logging::LogEventProvider::Initialize(kChromeTraceProviderName);
 104   DVLOG(1) << "InitMetro";
 105
 106   // OS specific initialization.
 107   mswr::ComPtr<winapp::Core::ICoreApplication> core_app;
 108   if (base::win::GetVersion() < base::win::VERSION_WIN8)
 109     core_app = InitWindows7();
 110   else
 111     core_app = InitWindows8();
 112
 113   auto view_factory = mswr::Make<ChromeAppViewFactory>(core_app.Get());
 114   HRESULT hr = core_app->Run(view_factory.Get());
 115   DVLOG(1) << "exiting InitMetro, hr=" << hr;
 116
 117 #if !defined(NDEBUG)
 118   ::RemoveVectoredExceptionHandler(registration);
 119 #endif
 120   return hr;
 121 }
 122
 123 // Activates the application known by |app_id|.  Returns, among other things,
 124 // E_APPLICATION_NOT_REGISTERED if |app_id| identifies Chrome and Chrome is not
 125 // the default browser.
 126 extern "C" __declspec(dllexport)
 127 HRESULT ActivateApplication(const wchar_t* app_id) {
 128   base::win::ScopedComPtr<IApplicationActivationManager> activator;
 129   HRESULT hr = activator.CreateInstance(CLSID_ApplicationActivationManager);
 130   if (SUCCEEDED(hr)) {
 131     DWORD pid = 0;
 132     hr = activator->ActivateApplication(app_id, L"", AO_NONE, &pid);
 133   }
 134   return hr;
 135 }