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