ui/base/win/shell.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 "ui/base/win/shell.h"
   6
   7 #include <dwmapi.h>
   8 #include <shlobj.h>  // Must be before propkey.
   9 #include <propkey.h>
  10 #include <shellapi.h>
  11
  12 #include "base/command_line.h"
  13 #include "base/files/file_path.h"
  14 #include "base/native_library.h"
  15 #include "base/strings/string_util.h"
  16 #include "base/win/metro.h"
  17 #include "base/win/scoped_comptr.h"
  18 #include "base/win/win_util.h"
  19 #include "base/win/windows_version.h"
  20 #include "ui/base/ui_base_switches.h"
  21
  22 namespace ui {
  23 namespace win {
  24
  25 namespace {
  26
  27 // Show the Windows "Open With" dialog box to ask the user to pick an app to
  28 // open the file with.
  29 bool OpenItemWithExternalApp(const base::string16& full_path) {
  30   SHELLEXECUTEINFO sei = { sizeof(sei) };
  31   sei.fMask = SEE_MASK_FLAG_DDEWAIT;
  32   sei.nShow = SW_SHOWNORMAL;
  33   sei.lpVerb = L"openas";
  34   sei.lpFile = full_path.c_str();
  35   return (TRUE == ::ShellExecuteExW(&sei));
  36 }
  37
  38 }  // namespace
  39
  40 bool OpenAnyViaShell(const base::string16& full_path,
  41                      const base::string16& directory,
  42                      const base::string16& args,
  43                      DWORD mask) {
  44   SHELLEXECUTEINFO sei = { sizeof(sei) };
  45   sei.fMask = mask;
  46   sei.nShow = SW_SHOWNORMAL;
  47   sei.lpFile = full_path.c_str();
  48   sei.lpDirectory = directory.c_str();
  49   if (!args.empty())
  50     sei.lpParameters = args.c_str();
  51
  52   if (::ShellExecuteExW(&sei))
  53     return true;
  54   if (::GetLastError() == ERROR_NO_ASSOCIATION)
  55     return OpenItemWithExternalApp(full_path);
  56   return false;
  57 }
  58
  59 bool OpenItemViaShell(const base::FilePath& full_path) {
  60   return OpenAnyViaShell(full_path.value(), full_path.DirName().value(),
  61                          base::string16(), 0);
  62 }
  63
  64 bool PreventWindowFromPinning(HWND hwnd) {
  65   // This functionality is only available on Win7+. It also doesn't make sense
  66   // to do this for Chrome Metro.
  67   if (base::win::GetVersion() < base::win::VERSION_WIN7 ||
  68       base::win::IsMetroProcess())
  69     return false;
  70   base::win::ScopedComPtr<IPropertyStore> pps;
  71   HRESULT result = SHGetPropertyStoreForWindow(
  72       hwnd, __uuidof(*pps), reinterpret_cast<void**>(pps.Receive()));
  73   if (FAILED(result))
  74     return false;
  75
  76   return base::win::SetBooleanValueForPropertyStore(
  77              pps, PKEY_AppUserModel_PreventPinning, true);
  78 }
  79
  80 // TODO(calamity): investigate moving this out of the UI thread as COM
  81 // operations may spawn nested message loops which can cause issues.
  82 void SetAppDetailsForWindow(const base::string16& app_id,
  83                             const base::string16& app_icon,
  84                             const base::string16& relaunch_command,
  85                             const base::string16& relaunch_display_name,
  86                             HWND hwnd) {
  87   // This functionality is only available on Win7+. It also doesn't make sense
  88   // to do this for Chrome Metro.
  89   if (base::win::GetVersion() < base::win::VERSION_WIN7 ||
  90       base::win::IsMetroProcess())
  91     return;
  92   base::win::ScopedComPtr<IPropertyStore> pps;
  93   HRESULT result = SHGetPropertyStoreForWindow(
  94       hwnd, __uuidof(*pps), reinterpret_cast<void**>(pps.Receive()));
  95   if (S_OK == result) {
  96     if (!app_id.empty())
  97       base::win::SetAppIdForPropertyStore(pps, app_id.c_str());
  98     if (!app_icon.empty()) {
  99       base::win::SetStringValueForPropertyStore(
 100           pps, PKEY_AppUserModel_RelaunchIconResource, app_icon.c_str());
 101     }
 102     if (!relaunch_command.empty()) {
 103       base::win::SetStringValueForPropertyStore(
 104           pps, PKEY_AppUserModel_RelaunchCommand, relaunch_command.c_str());
 105     }
 106     if (!relaunch_display_name.empty()) {
 107       base::win::SetStringValueForPropertyStore(
 108           pps, PKEY_AppUserModel_RelaunchDisplayNameResource,
 109           relaunch_display_name.c_str());
 110     }
 111   }
 112 }
 113
 114 void SetAppIdForWindow(const base::string16& app_id, HWND hwnd) {
 115   SetAppDetailsForWindow(app_id,
 116                          base::string16(),
 117                          base::string16(),
 118                          base::string16(),
 119                          hwnd);
 120 }
 121
 122 void SetAppIconForWindow(const base::string16& app_icon, HWND hwnd) {
 123   SetAppDetailsForWindow(base::string16(),
 124                          app_icon,
 125                          base::string16(),
 126                          base::string16(),
 127                          hwnd);
 128 }
 129
 130 void SetRelaunchDetailsForWindow(const base::string16& relaunch_command,
 131                                  const base::string16& display_name,
 132                                  HWND hwnd) {
 133   SetAppDetailsForWindow(base::string16(),
 134                          base::string16(),
 135                          relaunch_command,
 136                          display_name,
 137                          hwnd);
 138 }
 139
 140 bool IsAeroGlassEnabled() {
 141   // For testing in Win8 (where it is not possible to disable composition) the
 142   // user can specify this command line switch to mimic the behavior.  In this
 143   // mode, cross-HWND transparency is not supported and various types of
 144   // widgets fallback to more simplified rendering behavior.
 145   if (CommandLine::ForCurrentProcess()->HasSwitch(
 146       switches::kDisableDwmComposition))
 147     return false;
 148
 149   if (base::win::GetVersion() < base::win::VERSION_VISTA)
 150     return false;
 151   // If composition is not enabled, we behave like on XP.
 152   BOOL enabled = FALSE;
 153   return SUCCEEDED(DwmIsCompositionEnabled(&enabled)) && enabled;
 154 }
 155
 156 }  // namespace win
 157 }  // namespace ui