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.
OpenItemWithExternalApp(const string16 & full_path)27 bool OpenItemWithExternalApp(const 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
OpenAnyViaShell(const string16 & full_path,const string16 & directory,const string16 & args,DWORD mask)36 bool OpenAnyViaShell(const string16& full_path,
37 const string16& directory,
38 const 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
OpenItemViaShell(const base::FilePath & full_path)55 bool OpenItemViaShell(const base::FilePath& full_path) {
56 return OpenAnyViaShell(full_path.value(), full_path.DirName().value(),
57 string16(), 0);
58 }
59
OpenItemViaShellNoZoneCheck(const base::FilePath & full_path)60 bool OpenItemViaShellNoZoneCheck(const base::FilePath& full_path) {
61 return OpenAnyViaShell(full_path.value(), string16(), string16(),
62 SEE_MASK_NOZONECHECKS | SEE_MASK_FLAG_DDEWAIT);
63 }
64
PreventWindowFromPinning(HWND hwnd)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.
SetAppDetailsForWindow(const string16 & app_id,const string16 & app_icon,const string16 & relaunch_command,const string16 & relaunch_display_name,HWND hwnd)83 void SetAppDetailsForWindow(const string16& app_id,
84 const string16& app_icon,
85 const string16& relaunch_command,
86 const 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
SetAppIdForWindow(const string16 & app_id,HWND hwnd)115 void SetAppIdForWindow(const string16& app_id, HWND hwnd) {
116 SetAppDetailsForWindow(app_id, string16(), string16(), string16(), hwnd);
117 }
118
SetAppIconForWindow(const string16 & app_icon,HWND hwnd)119 void SetAppIconForWindow(const string16& app_icon, HWND hwnd) {
120 SetAppDetailsForWindow(string16(), app_icon, string16(), string16(), hwnd);
121 }
122
SetRelaunchDetailsForWindow(const string16 & relaunch_command,const string16 & display_name,HWND hwnd)123 void SetRelaunchDetailsForWindow(const string16& relaunch_command,
124 const string16& display_name,
125 HWND hwnd) {
126 SetAppDetailsForWindow(string16(),
127 string16(),
128 relaunch_command,
129 display_name,
130 hwnd);
131 }
132
IsAeroGlassEnabled()133 bool IsAeroGlassEnabled() {
134 // For testing in Win8 (where it is not possible to disable composition) the
135 // user can specify this command line switch to mimic the behavior. In this
136 // mode, cross-HWND transparency is not supported and various types of
137 // widgets fallback to more simplified rendering behavior.
138 if (CommandLine::ForCurrentProcess()->HasSwitch(
139 switches::kDisableDwmComposition))
140 return false;
141
142 if (base::win::GetVersion() < base::win::VERSION_VISTA)
143 return false;
144 // If composition is not enabled, we behave like on XP.
145 BOOL enabled = FALSE;
146 return SUCCEEDED(DwmIsCompositionEnabled(&enabled)) && enabled;
147 }
148
149 } // namespace win
150 } // namespace ui
151