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