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      1 // Copyright 2013 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 "chrome/browser/metro_utils/metro_chrome_win.h"
      6 
      7 #include <windows.h>
      8 #include <shobjidl.h>
      9 
     10 #include "base/files/file_path.h"
     11 #include "base/path_service.h"
     12 #include "base/win/metro.h"
     13 #include "base/win/scoped_com_initializer.h"
     14 #include "base/win/scoped_comptr.h"
     15 #include "base/win/windows_version.h"
     16 #include "chrome/installer/util/browser_distribution.h"
     17 #include "chrome/installer/util/install_util.h"
     18 #include "chrome/installer/util/shell_util.h"
     19 
     20 namespace chrome {
     21 
     22 bool ActivateMetroChrome() {
     23   // TODO(cpu): For Win7 we need to activate differently.
     24   if (base::win::GetVersion() < base::win::VERSION_WIN8)
     25     return true;
     26 
     27   base::FilePath chrome_exe;
     28   if (!PathService::Get(base::FILE_EXE, &chrome_exe)) {
     29     NOTREACHED() << "Failed to get chrome exe path";
     30     return false;
     31   }
     32 
     33   base::string16 app_id = ShellUtil::GetBrowserModelId(
     34       BrowserDistribution::GetDistribution(),
     35       InstallUtil::IsPerUserInstall(chrome_exe.value().c_str()));
     36   if (app_id.empty()) {
     37     NOTREACHED() << "Failed to get chrome app user model id.";
     38     return false;
     39   }
     40 
     41   base::win::ScopedComPtr<IApplicationActivationManager> activation_manager;
     42   HRESULT hr = activation_manager.CreateInstance(
     43       CLSID_ApplicationActivationManager);
     44   if (!activation_manager) {
     45     NOTREACHED() << "Failed to cocreate activation manager. Error: "
     46                  << std::showbase << std::hex << hr;
     47     return false;
     48   }
     49 
     50   unsigned long pid = 0;
     51   hr = activation_manager->ActivateApplication(app_id.c_str(),
     52                                                L"open",
     53                                                AO_NONE,
     54                                                &pid);
     55   if (FAILED(hr)) {
     56     NOTREACHED() << "Failed to activate metro chrome. Error: "
     57                  << std::showbase << std::hex << hr;
     58     return false;
     59   }
     60 
     61   return true;
     62 }
     63 
     64 Win8Environment GetWin8Environment(HostDesktopType desktop) {
     65 #if defined(USE_AURA) && defined(USE_ASH)
     66   if (desktop == chrome::HOST_DESKTOP_TYPE_ASH)
     67     return WIN_8_ENVIRONMENT_METRO_AURA;
     68   else
     69     return WIN_8_ENVIRONMENT_DESKTOP_AURA;
     70 #else
     71   if (base::win::IsProcessImmersive(::GetCurrentProcess()))
     72     return WIN_8_ENVIRONMENT_METRO;
     73   else
     74     return WIN_8_ENVIRONMENT_DESKTOP;
     75 #endif
     76 }
     77 
     78 
     79 }  // namespace chrome
     80