Index: win8/metro_driver/metro_driver.cc |
diff --git a/win8/metro_driver/metro_driver.cc b/win8/metro_driver/metro_driver.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..89bd35a5f765da39a519a66ce1a4c9cc6386637a |
--- /dev/null |
+++ b/win8/metro_driver/metro_driver.cc |
@@ -0,0 +1,211 @@ |
+// Copyright (c) 2012 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "stdafx.h" |
+ |
+#include <roerrorapi.h> |
+#include <shobjidl.h> |
+ |
+#include "base/at_exit.h" |
+#include "base/command_line.h" |
+#include "base/logging.h" |
+#include "base/logging_win.h" |
+#include "base/win/scoped_comptr.h" |
+#include "win8/metro_driver/chrome_app_view.h" |
+#include "win8/metro_driver/winrt_utils.h" |
+#include "sandbox/win/src/sidestep/preamble_patcher.h" |
+ |
+// TODO(siggi): Move this to GYP. |
+#pragma comment(lib, "runtimeobject.lib") |
+ |
+namespace { |
+ |
+LONG WINAPI ErrorReportingHandler(EXCEPTION_POINTERS* ex_info) { |
+ // See roerrorapi.h for a description of the |
+ // exception codes and parameters. |
+ DWORD code = ex_info->ExceptionRecord->ExceptionCode; |
+ ULONG_PTR* info = ex_info->ExceptionRecord->ExceptionInformation; |
+ if (code == EXCEPTION_RO_ORIGINATEERROR) { |
+ string16 msg(reinterpret_cast<wchar_t*>(info[2]), info[1]); |
+ LOG(ERROR) << "VEH: Metro error 0x" << std::hex << info[0] << ": " << msg; |
+ } else if (code == EXCEPTION_RO_TRANSFORMERROR) { |
+ string16 msg(reinterpret_cast<wchar_t*>(info[3]), info[2]); |
+ LOG(ERROR) << "VEH: Metro old error 0x" << std::hex << info[0] |
+ << " new error 0x" << info[1] << ": " << msg; |
+ } |
+ |
+ return EXCEPTION_CONTINUE_SEARCH; |
+} |
+ |
+// TODO(robertshield): This GUID is hard-coded in a bunch of places that |
+// don't allow explicit includes. Find a single place for it to live. |
+// {7FE69228-633E-4f06-80C1-527FEA23E3A7} |
+const GUID kChromeTraceProviderName = { |
+ 0x7fe69228, 0x633e, 0x4f06, |
+ { 0x80, 0xc1, 0x52, 0x7f, 0xea, 0x23, 0xe3, 0xa7 } }; |
+ |
+} |
+// Required for base initialization. |
+// TODO(siggi): This should be handled better, as this way our at exit |
+// registrations will run under the loader's lock. However, |
+// once metro_driver is merged into Chrome.dll, this will go away anyhow. |
+base::AtExitManager at_exit; |
+ |
+namespace Hacks { |
+ |
+typedef BOOL (WINAPI* IsImmersiveFunctionPtr)(HANDLE process); |
+char* g_real_is_immersive_proc_stub = NULL; |
+ |
+HMODULE g_webrtc_quartz_dll_handle = NULL; |
+bool g_fake_is_immersive_process_ret = false; |
+ |
+BOOL WINAPI MetroChromeIsImmersiveIntercept(HANDLE process) { |
+ if (g_fake_is_immersive_process_ret && process == ::GetCurrentProcess()) |
+ return FALSE; |
+ |
+ IsImmersiveFunctionPtr real_proc = |
+ reinterpret_cast<IsImmersiveFunctionPtr>( |
+ static_cast<char*>(g_real_is_immersive_proc_stub)); |
+ return real_proc(process); |
+} |
+ |
+void MetroSpecificHacksInitialize() { |
+ // The quartz dll which is used by the webrtc code in Chrome fails in a metro |
+ // app. It checks this via the IsImmersiveProcess export in user32. We |
+ // intercept the same and spoof the value as false. This is ok as technically |
+ // a metro browser is not a real metro application. The webrtc functionality |
+ // works fine with this hack. |
+ // TODO(tommi) |
+ // BUG:- https://code.google.com/p/chromium/issues/detail?id=140545 |
+ // We should look into using media foundation on windows 8 in metro chrome. |
+ IsImmersiveFunctionPtr is_immersive_func_address = |
+ reinterpret_cast<IsImmersiveFunctionPtr>(::GetProcAddress( |
+ ::GetModuleHandle(L"user32.dll"), "IsImmersiveProcess")); |
+ DCHECK(is_immersive_func_address); |
+ |
+ // Allow the function to be patched by changing the protections on the page. |
+ DWORD old_protect = 0; |
+ ::VirtualProtect(is_immersive_func_address, 5, PAGE_EXECUTE_READWRITE, |
+ &old_protect); |
+ |
+ DCHECK(g_real_is_immersive_proc_stub == NULL); |
+ g_real_is_immersive_proc_stub = reinterpret_cast<char*>(VirtualAllocEx( |
+ ::GetCurrentProcess(), NULL, sidestep::kMaxPreambleStubSize, |
+ MEM_COMMIT, PAGE_EXECUTE_READWRITE)); |
+ DCHECK(g_real_is_immersive_proc_stub); |
+ |
+ sidestep::SideStepError patch_result = |
+ sidestep::PreamblePatcher::Patch( |
+ is_immersive_func_address, MetroChromeIsImmersiveIntercept, |
+ g_real_is_immersive_proc_stub, sidestep::kMaxPreambleStubSize); |
+ |
+ DCHECK(patch_result == sidestep::SIDESTEP_SUCCESS); |
+ |
+ // Restore the permissions on the page in user32 containing the |
+ // IsImmersiveProcess function code. |
+ DWORD dummy = 0; |
+ ::VirtualProtect(is_immersive_func_address, 5, old_protect, &dummy); |
+ |
+ // Mimic the original page permissions from the IsImmersiveProcess page |
+ // on our stub. |
+ ::VirtualProtect(g_real_is_immersive_proc_stub, |
+ sidestep::kMaxPreambleStubSize, |
+ old_protect, |
+ &old_protect); |
+ |
+ g_fake_is_immersive_process_ret = true; |
+ g_webrtc_quartz_dll_handle = LoadLibrary(L"quartz.dll"); |
+ g_fake_is_immersive_process_ret = false; |
+ |
+ DCHECK(g_webrtc_quartz_dll_handle); |
+ if (!g_webrtc_quartz_dll_handle) { |
+ DVLOG(1) << "Quartz dll load failed with error: " << GetLastError(); |
+ } else { |
+ // Pin the quartz module to protect against it being inadvarently unloaded. |
+ ::GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_PIN, L"quartz.dll", |
+ &g_webrtc_quartz_dll_handle); |
+ } |
+} |
+ |
+} // namespace Hacks |
+ |
+extern "C" __declspec(dllexport) |
+int InitMetro(LPTHREAD_START_ROUTINE thread_proc, void* context) { |
+ // Initialize the command line. |
+ CommandLine::Init(0, NULL); |
+ logging::InitLogging( |
+ NULL, |
+ logging::LOG_ONLY_TO_SYSTEM_DEBUG_LOG, |
+ logging::LOCK_LOG_FILE, |
+ logging::DELETE_OLD_LOG_FILE, |
+ logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS); |
+ |
+#if defined(NDEBUG) |
+ logging::SetMinLogLevel(logging::LOG_ERROR); |
+ // Bind to the breakpad handling function. |
+ globals.breakpad_exception_handler = |
+ reinterpret_cast<BreakpadExceptionHandler>( |
+ ::GetProcAddress(::GetModuleHandle(NULL), |
+ "CrashForException")); |
+ if (!globals.breakpad_exception_handler) { |
+ DVLOG(0) << "CrashForException export not found"; |
+ } |
+#else |
+ logging::SetMinLogLevel(logging::LOG_VERBOSE); |
+ // Set the error reporting flags to always raise an exception, |
+ // which is then processed by our vectored exception handling |
+ // above to log the error message. |
+ winfoundtn::Diagnostics::SetErrorReportingFlags( |
+ winfoundtn::Diagnostics::UseSetErrorInfo | |
+ winfoundtn::Diagnostics::ForceExceptions); |
+ |
+ HANDLE registration = |
+ ::AddVectoredExceptionHandler(TRUE, ErrorReportingHandler); |
+#endif |
+ |
+ // Enable trace control and transport through event tracing for Windows. |
+ logging::LogEventProvider::Initialize(kChromeTraceProviderName); |
+ |
+ DVLOG(1) << "InitMetro"; |
+ |
+ mswrw::RoInitializeWrapper ro_initializer(RO_INIT_MULTITHREADED); |
+ CheckHR(ro_initializer, "RoInitialize failed"); |
+ |
+ mswr::ComPtr<winapp::Core::ICoreApplication> core_app; |
+ HRESULT hr = winrt_utils::CreateActivationFactory( |
+ RuntimeClass_Windows_ApplicationModel_Core_CoreApplication, |
+ core_app.GetAddressOf()); |
+ CheckHR(hr, "Failed to create app factory"); |
+ if (FAILED(hr)) |
+ return 1; |
+ |
+ // The metro specific hacks code assumes that there is only one thread active |
+ // at the moment. This better be the case or we may have race conditions. |
+ Hacks::MetroSpecificHacksInitialize(); |
+ |
+ auto view_factory = mswr::Make<ChromeAppViewFactory>( |
+ core_app.Get(), thread_proc, context); |
+ hr = core_app->Run(view_factory.Get()); |
+ DVLOG(1) << "exiting InitMetro, hr=" << hr; |
+ |
+#if !defined(NDEBUG) |
+ ::RemoveVectoredExceptionHandler(registration); |
+#endif |
+ |
+ return hr; |
+} |
+ |
+// Activates the application known by |app_id|. Returns, among other things, |
+// E_APPLICATION_NOT_REGISTERED if |app_id| identifies Chrome and Chrome is not |
+// the default browser. |
+extern "C" __declspec(dllexport) |
+HRESULT ActivateApplication(const wchar_t* app_id) { |
+ base::win::ScopedComPtr<IApplicationActivationManager> activator; |
+ HRESULT hr = activator.CreateInstance(CLSID_ApplicationActivationManager); |
+ if (SUCCEEDED(hr)) { |
+ DWORD pid = 0; |
+ hr = activator->ActivateApplication(app_id, L"", AO_NONE, &pid); |
+ } |
+ return hr; |
+} |