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| 1 /* | |
| 2 * Copyright 2010 The WebRTC Project Authors. All rights reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 #include "webrtc/base/win32windowpicker.h" | |
| 11 | |
| 12 #include <string> | |
| 13 #include <vector> | |
| 14 | |
| 15 #include "webrtc/base/arraysize.h" | |
| 16 #include "webrtc/base/common.h" | |
| 17 #include "webrtc/base/logging.h" | |
| 18 | |
| 19 namespace rtc { | |
| 20 | |
| 21 namespace { | |
| 22 | |
| 23 // Window class names that we want to filter out. | |
| 24 const char kProgramManagerClass[] = "Progman"; | |
| 25 const char kButtonClass[] = "Button"; | |
| 26 | |
| 27 } // namespace | |
| 28 | |
| 29 BOOL CALLBACK Win32WindowPicker::EnumProc(HWND hwnd, LPARAM l_param) { | |
| 30 WindowDescriptionList* descriptions = | |
| 31 reinterpret_cast<WindowDescriptionList*>(l_param); | |
| 32 | |
| 33 // Skip windows that are invisible, minimized, have no title, or are owned, | |
| 34 // unless they have the app window style set. Except for minimized windows, | |
| 35 // this is what Alt-Tab does. | |
| 36 // TODO: Figure out how to grab a thumbnail of a minimized window and | |
| 37 // include them in the list. | |
| 38 int len = GetWindowTextLength(hwnd); | |
| 39 HWND owner = GetWindow(hwnd, GW_OWNER); | |
| 40 LONG exstyle = GetWindowLong(hwnd, GWL_EXSTYLE); | |
| 41 if (len == 0 || IsIconic(hwnd) || !IsWindowVisible(hwnd) || | |
| 42 (owner && !(exstyle & WS_EX_APPWINDOW))) { | |
| 43 // TODO: Investigate if windows without title still could be | |
| 44 // interesting to share. We could use the name of the process as title: | |
| 45 // | |
| 46 // GetWindowThreadProcessId() | |
| 47 // OpenProcess() | |
| 48 // QueryFullProcessImageName() | |
| 49 return TRUE; | |
| 50 } | |
| 51 | |
| 52 // Skip the Program Manager window and the Start button. | |
| 53 TCHAR class_name_w[500]; | |
| 54 ::GetClassName(hwnd, class_name_w, 500); | |
| 55 std::string class_name = ToUtf8(class_name_w); | |
| 56 if (class_name == kProgramManagerClass || class_name == kButtonClass) { | |
| 57 // We don't want the Program Manager window nor the Start button. | |
| 58 return TRUE; | |
| 59 } | |
| 60 | |
| 61 TCHAR window_title[500]; | |
| 62 GetWindowText(hwnd, window_title, arraysize(window_title)); | |
| 63 std::string title = ToUtf8(window_title); | |
| 64 | |
| 65 WindowId id(hwnd); | |
| 66 WindowDescription desc(id, title); | |
| 67 descriptions->push_back(desc); | |
| 68 return TRUE; | |
| 69 } | |
| 70 | |
| 71 BOOL CALLBACK Win32WindowPicker::MonitorEnumProc(HMONITOR h_monitor, | |
| 72 HDC hdc_monitor, | |
| 73 LPRECT lprc_monitor, | |
| 74 LPARAM l_param) { | |
| 75 DesktopDescriptionList* desktop_desc = | |
| 76 reinterpret_cast<DesktopDescriptionList*>(l_param); | |
| 77 | |
| 78 DesktopId id(h_monitor, static_cast<int>(desktop_desc->size())); | |
| 79 // TODO: Figure out an appropriate desktop title. | |
| 80 DesktopDescription desc(id, ""); | |
| 81 | |
| 82 // Determine whether it's the primary monitor. | |
| 83 MONITORINFO monitor_info = {0}; | |
| 84 monitor_info.cbSize = sizeof(monitor_info); | |
| 85 bool primary = (GetMonitorInfo(h_monitor, &monitor_info) && | |
| 86 (monitor_info.dwFlags & MONITORINFOF_PRIMARY) != 0); | |
| 87 desc.set_primary(primary); | |
| 88 | |
| 89 desktop_desc->push_back(desc); | |
| 90 return TRUE; | |
| 91 } | |
| 92 | |
| 93 Win32WindowPicker::Win32WindowPicker() { | |
| 94 } | |
| 95 | |
| 96 bool Win32WindowPicker::Init() { | |
| 97 return true; | |
| 98 } | |
| 99 // TODO: Consider changing enumeration to clear() descriptions | |
| 100 // before append(). | |
| 101 bool Win32WindowPicker::GetWindowList(WindowDescriptionList* descriptions) { | |
| 102 LPARAM desc = reinterpret_cast<LPARAM>(descriptions); | |
| 103 return EnumWindows(Win32WindowPicker::EnumProc, desc) != FALSE; | |
| 104 } | |
| 105 | |
| 106 bool Win32WindowPicker::GetDesktopList(DesktopDescriptionList* descriptions) { | |
| 107 // Create a fresh WindowDescriptionList so that we can use desktop_desc.size() | |
| 108 // in MonitorEnumProc to compute the desktop index. | |
| 109 DesktopDescriptionList desktop_desc; | |
| 110 HDC hdc = GetDC(NULL); | |
| 111 bool success = false; | |
| 112 if (EnumDisplayMonitors(hdc, NULL, Win32WindowPicker::MonitorEnumProc, | |
| 113 reinterpret_cast<LPARAM>(&desktop_desc)) != FALSE) { | |
| 114 // Append the desktop descriptions to the end of the returned descriptions. | |
| 115 descriptions->insert(descriptions->end(), desktop_desc.begin(), | |
| 116 desktop_desc.end()); | |
| 117 success = true; | |
| 118 } | |
| 119 ReleaseDC(NULL, hdc); | |
| 120 return success; | |
| 121 } | |
| 122 | |
| 123 bool Win32WindowPicker::GetDesktopDimensions(const DesktopId& id, | |
| 124 int* width, | |
| 125 int* height) { | |
| 126 MONITORINFOEX monitor_info; | |
| 127 monitor_info.cbSize = sizeof(MONITORINFOEX); | |
| 128 if (!GetMonitorInfo(id.id(), &monitor_info)) { | |
| 129 return false; | |
| 130 } | |
| 131 *width = monitor_info.rcMonitor.right - monitor_info.rcMonitor.left; | |
| 132 *height = monitor_info.rcMonitor.bottom - monitor_info.rcMonitor.top; | |
| 133 return true; | |
| 134 } | |
| 135 | |
| 136 bool Win32WindowPicker::IsVisible(const WindowId& id) { | |
| 137 return (::IsWindow(id.id()) != FALSE && ::IsWindowVisible(id.id()) != FALSE); | |
| 138 } | |
| 139 | |
| 140 bool Win32WindowPicker::MoveToFront(const WindowId& id) { | |
| 141 return SetForegroundWindow(id.id()) != FALSE; | |
| 142 } | |
| 143 | |
| 144 } // namespace rtc | |
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Chromium Code Reviews
Issue 2511103002:
Delete WindowPicker class and subclasses. (Closed)
