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.
OpenItemWithExternalApp(const base::string16 & full_path)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
OpenAnyViaShell(const base::string16 & full_path,const base::string16 & directory,const base::string16 & args,DWORD mask)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
OpenItemViaShell(const base::FilePath & full_path)59 bool OpenItemViaShell(const base::FilePath& full_path) {
60 return OpenAnyViaShell(full_path.value(), full_path.DirName().value(),
61 base::string16(), 0);
62 }
63
PreventWindowFromPinning(HWND hwnd)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.
SetAppDetailsForWindow(const base::string16 & app_id,const base::string16 & app_icon,const base::string16 & relaunch_command,const base::string16 & relaunch_display_name,HWND hwnd)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
SetAppIdForWindow(const base::string16 & app_id,HWND hwnd)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
SetAppIconForWindow(const base::string16 & app_icon,HWND hwnd)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
SetRelaunchDetailsForWindow(const base::string16 & relaunch_command,const base::string16 & display_name,HWND hwnd)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
IsAeroGlassEnabled()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
158