1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/windows/nsUXThemeData.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,388 @@
1.4 +/* vim: se cin sw=2 ts=2 et : */
1.5 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.6 + *
1.7 + * This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +#include "mozilla/ArrayUtils.h"
1.12 +#include "mozilla/WindowsVersion.h"
1.13 +
1.14 +#include "nsUXThemeData.h"
1.15 +#include "nsDebug.h"
1.16 +#include "nsToolkit.h"
1.17 +#include "nsUXThemeConstants.h"
1.18 +
1.19 +using namespace mozilla;
1.20 +using namespace mozilla::widget;
1.21 +
1.22 +const wchar_t
1.23 +nsUXThemeData::kThemeLibraryName[] = L"uxtheme.dll";
1.24 +
1.25 +HANDLE
1.26 +nsUXThemeData::sThemes[eUXNumClasses];
1.27 +
1.28 +HMODULE
1.29 +nsUXThemeData::sThemeDLL = nullptr;
1.30 +
1.31 +bool
1.32 +nsUXThemeData::sFlatMenus = false;
1.33 +
1.34 +bool nsUXThemeData::sTitlebarInfoPopulatedAero = false;
1.35 +bool nsUXThemeData::sTitlebarInfoPopulatedThemed = false;
1.36 +SIZE nsUXThemeData::sCommandButtons[4];
1.37 +
1.38 +void
1.39 +nsUXThemeData::Teardown() {
1.40 + Invalidate();
1.41 + if(sThemeDLL)
1.42 + FreeLibrary(sThemeDLL);
1.43 +}
1.44 +
1.45 +void
1.46 +nsUXThemeData::Initialize()
1.47 +{
1.48 + ::ZeroMemory(sThemes, sizeof(sThemes));
1.49 + NS_ASSERTION(!sThemeDLL, "nsUXThemeData being initialized twice!");
1.50 +
1.51 + CheckForCompositor(true);
1.52 + Invalidate();
1.53 +}
1.54 +
1.55 +void
1.56 +nsUXThemeData::Invalidate() {
1.57 + for(int i = 0; i < eUXNumClasses; i++) {
1.58 + if(sThemes[i]) {
1.59 + CloseThemeData(sThemes[i]);
1.60 + sThemes[i] = nullptr;
1.61 + }
1.62 + }
1.63 + BOOL useFlat = FALSE;
1.64 + sFlatMenus = ::SystemParametersInfo(SPI_GETFLATMENU, 0, &useFlat, 0) ?
1.65 + useFlat : false;
1.66 +}
1.67 +
1.68 +HANDLE
1.69 +nsUXThemeData::GetTheme(nsUXThemeClass cls) {
1.70 + NS_ASSERTION(cls < eUXNumClasses, "Invalid theme class!");
1.71 + if(!sThemes[cls])
1.72 + {
1.73 + sThemes[cls] = OpenThemeData(nullptr, GetClassName(cls));
1.74 + }
1.75 + return sThemes[cls];
1.76 +}
1.77 +
1.78 +HMODULE
1.79 +nsUXThemeData::GetThemeDLL() {
1.80 + if (!sThemeDLL)
1.81 + sThemeDLL = ::LoadLibraryW(kThemeLibraryName);
1.82 + return sThemeDLL;
1.83 +}
1.84 +
1.85 +const wchar_t *nsUXThemeData::GetClassName(nsUXThemeClass cls) {
1.86 + switch(cls) {
1.87 + case eUXButton:
1.88 + return L"Button";
1.89 + case eUXEdit:
1.90 + return L"Edit";
1.91 + case eUXTooltip:
1.92 + return L"Tooltip";
1.93 + case eUXRebar:
1.94 + return L"Rebar";
1.95 + case eUXMediaRebar:
1.96 + return L"Media::Rebar";
1.97 + case eUXCommunicationsRebar:
1.98 + return L"Communications::Rebar";
1.99 + case eUXBrowserTabBarRebar:
1.100 + return L"BrowserTabBar::Rebar";
1.101 + case eUXToolbar:
1.102 + return L"Toolbar";
1.103 + case eUXMediaToolbar:
1.104 + return L"Media::Toolbar";
1.105 + case eUXCommunicationsToolbar:
1.106 + return L"Communications::Toolbar";
1.107 + case eUXProgress:
1.108 + return L"Progress";
1.109 + case eUXTab:
1.110 + return L"Tab";
1.111 + case eUXScrollbar:
1.112 + return L"Scrollbar";
1.113 + case eUXTrackbar:
1.114 + return L"Trackbar";
1.115 + case eUXSpin:
1.116 + return L"Spin";
1.117 + case eUXStatus:
1.118 + return L"Status";
1.119 + case eUXCombobox:
1.120 + return L"Combobox";
1.121 + case eUXHeader:
1.122 + return L"Header";
1.123 + case eUXListview:
1.124 + return L"Listview";
1.125 + case eUXMenu:
1.126 + return L"Menu";
1.127 + case eUXWindowFrame:
1.128 + return L"Window";
1.129 + default:
1.130 + NS_NOTREACHED("unknown uxtheme class");
1.131 + return L"";
1.132 + }
1.133 +}
1.134 +
1.135 +// static
1.136 +void
1.137 +nsUXThemeData::InitTitlebarInfo()
1.138 +{
1.139 + // Pre-populate with generic metrics. These likley will not match
1.140 + // the current theme, but they insure the buttons at least show up.
1.141 + sCommandButtons[0].cx = GetSystemMetrics(SM_CXSIZE);
1.142 + sCommandButtons[0].cy = GetSystemMetrics(SM_CYSIZE);
1.143 + sCommandButtons[1].cx = sCommandButtons[2].cx = sCommandButtons[0].cx;
1.144 + sCommandButtons[1].cy = sCommandButtons[2].cy = sCommandButtons[0].cy;
1.145 + sCommandButtons[3].cx = sCommandButtons[0].cx * 3;
1.146 + sCommandButtons[3].cy = sCommandButtons[0].cy;
1.147 +
1.148 + // Use system metrics for pre-vista, otherwise trigger a
1.149 + // refresh on the next layout.
1.150 + sTitlebarInfoPopulatedAero = sTitlebarInfoPopulatedThemed =
1.151 + !IsVistaOrLater();
1.152 +}
1.153 +
1.154 +// static
1.155 +void
1.156 +nsUXThemeData::UpdateTitlebarInfo(HWND aWnd)
1.157 +{
1.158 + if (!aWnd)
1.159 + return;
1.160 +
1.161 + if (!sTitlebarInfoPopulatedAero && nsUXThemeData::CheckForCompositor()) {
1.162 + RECT captionButtons;
1.163 + if (SUCCEEDED(WinUtils::dwmGetWindowAttributePtr(aWnd,
1.164 + DWMWA_CAPTION_BUTTON_BOUNDS,
1.165 + &captionButtons,
1.166 + sizeof(captionButtons)))) {
1.167 + sCommandButtons[CMDBUTTONIDX_BUTTONBOX].cx = captionButtons.right - captionButtons.left - 3;
1.168 + sCommandButtons[CMDBUTTONIDX_BUTTONBOX].cy = (captionButtons.bottom - captionButtons.top) - 1;
1.169 + sTitlebarInfoPopulatedAero = true;
1.170 + }
1.171 + }
1.172 +
1.173 + if (sTitlebarInfoPopulatedThemed)
1.174 + return;
1.175 +
1.176 + // Query a temporary, visible window with command buttons to get
1.177 + // the right metrics.
1.178 + nsAutoString className;
1.179 + className.AssignLiteral(kClassNameTemp);
1.180 + WNDCLASSW wc;
1.181 + wc.style = 0;
1.182 + wc.lpfnWndProc = ::DefWindowProcW;
1.183 + wc.cbClsExtra = 0;
1.184 + wc.cbWndExtra = 0;
1.185 + wc.hInstance = nsToolkit::mDllInstance;
1.186 + wc.hIcon = nullptr;
1.187 + wc.hCursor = nullptr;
1.188 + wc.hbrBackground = nullptr;
1.189 + wc.lpszMenuName = nullptr;
1.190 + wc.lpszClassName = className.get();
1.191 + ::RegisterClassW(&wc);
1.192 +
1.193 + // Create a transparent descendant of the window passed in. This
1.194 + // keeps the window from showing up on the desktop or the taskbar.
1.195 + // Note the parent (browser) window is usually still hidden, we
1.196 + // don't want to display it, so we can't query it directly.
1.197 + HWND hWnd = CreateWindowExW(WS_EX_LAYERED,
1.198 + className.get(), L"",
1.199 + WS_OVERLAPPEDWINDOW,
1.200 + 0, 0, 0, 0, aWnd, nullptr,
1.201 + nsToolkit::mDllInstance, nullptr);
1.202 + NS_ASSERTION(hWnd, "UpdateTitlebarInfo window creation failed.");
1.203 +
1.204 + ShowWindow(hWnd, SW_SHOW);
1.205 + TITLEBARINFOEX info = {0};
1.206 + info.cbSize = sizeof(TITLEBARINFOEX);
1.207 + SendMessage(hWnd, WM_GETTITLEBARINFOEX, 0, (LPARAM)&info);
1.208 + DestroyWindow(hWnd);
1.209 +
1.210 + // Only set if we have valid data for all three buttons we use.
1.211 + if ((info.rgrect[2].right - info.rgrect[2].left) == 0 ||
1.212 + (info.rgrect[3].right - info.rgrect[3].left) == 0 ||
1.213 + (info.rgrect[5].right - info.rgrect[5].left) == 0) {
1.214 + NS_WARNING("WM_GETTITLEBARINFOEX query failed to find usable metrics.");
1.215 + return;
1.216 + }
1.217 + // minimize
1.218 + sCommandButtons[0].cx = info.rgrect[2].right - info.rgrect[2].left;
1.219 + sCommandButtons[0].cy = info.rgrect[2].bottom - info.rgrect[2].top;
1.220 + // maximize/restore
1.221 + sCommandButtons[1].cx = info.rgrect[3].right - info.rgrect[3].left;
1.222 + sCommandButtons[1].cy = info.rgrect[3].bottom - info.rgrect[3].top;
1.223 + // close
1.224 + sCommandButtons[2].cx = info.rgrect[5].right - info.rgrect[5].left;
1.225 + sCommandButtons[2].cy = info.rgrect[5].bottom - info.rgrect[5].top;
1.226 +
1.227 + sTitlebarInfoPopulatedThemed = true;
1.228 +}
1.229 +
1.230 +// visual style (aero glass, aero basic)
1.231 +// theme (aero, luna, zune)
1.232 +// theme color (silver, olive, blue)
1.233 +// system colors
1.234 +
1.235 +struct THEMELIST {
1.236 + LPCWSTR name;
1.237 + int type;
1.238 +};
1.239 +
1.240 +const THEMELIST knownThemes[] = {
1.241 + { L"aero.msstyles", WINTHEME_AERO },
1.242 + { L"aerolite.msstyles", WINTHEME_AERO_LITE },
1.243 + { L"luna.msstyles", WINTHEME_LUNA },
1.244 + { L"zune.msstyles", WINTHEME_ZUNE },
1.245 + { L"royale.msstyles", WINTHEME_ROYALE }
1.246 +};
1.247 +
1.248 +const THEMELIST knownColors[] = {
1.249 + { L"normalcolor", WINTHEMECOLOR_NORMAL },
1.250 + { L"homestead", WINTHEMECOLOR_HOMESTEAD },
1.251 + { L"metallic", WINTHEMECOLOR_METALLIC }
1.252 +};
1.253 +
1.254 +LookAndFeel::WindowsTheme
1.255 +nsUXThemeData::sThemeId = LookAndFeel::eWindowsTheme_Generic;
1.256 +
1.257 +bool
1.258 +nsUXThemeData::sIsDefaultWindowsTheme = false;
1.259 +bool
1.260 +nsUXThemeData::sIsHighContrastOn = false;
1.261 +
1.262 +// static
1.263 +LookAndFeel::WindowsTheme
1.264 +nsUXThemeData::GetNativeThemeId()
1.265 +{
1.266 + return sThemeId;
1.267 +}
1.268 +
1.269 +// static
1.270 +bool nsUXThemeData::IsDefaultWindowTheme()
1.271 +{
1.272 + return sIsDefaultWindowsTheme;
1.273 +}
1.274 +
1.275 +bool nsUXThemeData::IsHighContrastOn()
1.276 +{
1.277 + return sIsHighContrastOn;
1.278 +}
1.279 +
1.280 +// static
1.281 +bool nsUXThemeData::CheckForCompositor(bool aUpdateCache)
1.282 +{
1.283 + static BOOL sCachedValue = FALSE;
1.284 + if (aUpdateCache && WinUtils::dwmIsCompositionEnabledPtr) {
1.285 + WinUtils::dwmIsCompositionEnabledPtr(&sCachedValue);
1.286 + }
1.287 + return sCachedValue;
1.288 +}
1.289 +
1.290 +// static
1.291 +void
1.292 +nsUXThemeData::UpdateNativeThemeInfo()
1.293 +{
1.294 + // Trigger a refresh of themed button metrics if needed
1.295 + sTitlebarInfoPopulatedThemed = !IsVistaOrLater();
1.296 +
1.297 + sIsDefaultWindowsTheme = false;
1.298 + sThemeId = LookAndFeel::eWindowsTheme_Generic;
1.299 +
1.300 + HIGHCONTRAST highContrastInfo;
1.301 + highContrastInfo.cbSize = sizeof(HIGHCONTRAST);
1.302 + if (SystemParametersInfo(SPI_GETHIGHCONTRAST, 0, &highContrastInfo, 0)) {
1.303 + sIsHighContrastOn = ((highContrastInfo.dwFlags & HCF_HIGHCONTRASTON) != 0);
1.304 + } else {
1.305 + sIsHighContrastOn = false;
1.306 + }
1.307 +
1.308 + if (!IsAppThemed()) {
1.309 + sThemeId = LookAndFeel::eWindowsTheme_Classic;
1.310 + return;
1.311 + }
1.312 +
1.313 + WCHAR themeFileName[MAX_PATH + 1];
1.314 + WCHAR themeColor[MAX_PATH + 1];
1.315 + if (FAILED(GetCurrentThemeName(themeFileName,
1.316 + MAX_PATH,
1.317 + themeColor,
1.318 + MAX_PATH,
1.319 + nullptr, 0))) {
1.320 + sThemeId = LookAndFeel::eWindowsTheme_Classic;
1.321 + return;
1.322 + }
1.323 +
1.324 + LPCWSTR themeName = wcsrchr(themeFileName, L'\\');
1.325 + themeName = themeName ? themeName + 1 : themeFileName;
1.326 +
1.327 + WindowsTheme theme = WINTHEME_UNRECOGNIZED;
1.328 + for (size_t i = 0; i < ArrayLength(knownThemes); ++i) {
1.329 + if (!lstrcmpiW(themeName, knownThemes[i].name)) {
1.330 + theme = (WindowsTheme)knownThemes[i].type;
1.331 + break;
1.332 + }
1.333 + }
1.334 +
1.335 + if (theme == WINTHEME_UNRECOGNIZED)
1.336 + return;
1.337 +
1.338 + // We're using the default theme if we're using any of Aero, Aero Lite, or
1.339 + // luna. However, on Win8, GetCurrentThemeName (see above) returns
1.340 + // AeroLite.msstyles for the 4 builtin highcontrast themes as well. Those
1.341 + // themes "don't count" as default themes, so we specifically check for high
1.342 + // contrast mode in that situation.
1.343 + if (!(IsWin8OrLater() && sIsHighContrastOn) &&
1.344 + (theme == WINTHEME_AERO || theme == WINTHEME_AERO_LITE || theme == WINTHEME_LUNA)) {
1.345 + sIsDefaultWindowsTheme = true;
1.346 + }
1.347 +
1.348 + if (theme != WINTHEME_LUNA) {
1.349 + switch(theme) {
1.350 + case WINTHEME_AERO:
1.351 + sThemeId = LookAndFeel::eWindowsTheme_Aero;
1.352 + return;
1.353 + case WINTHEME_AERO_LITE:
1.354 + sThemeId = LookAndFeel::eWindowsTheme_AeroLite;
1.355 + return;
1.356 + case WINTHEME_ZUNE:
1.357 + sThemeId = LookAndFeel::eWindowsTheme_Zune;
1.358 + return;
1.359 + case WINTHEME_ROYALE:
1.360 + sThemeId = LookAndFeel::eWindowsTheme_Royale;
1.361 + return;
1.362 + default:
1.363 + NS_WARNING("unhandled theme type.");
1.364 + return;
1.365 + }
1.366 + }
1.367 +
1.368 + // calculate the luna color scheme
1.369 + WindowsThemeColor color = WINTHEMECOLOR_UNRECOGNIZED;
1.370 + for (size_t i = 0; i < ArrayLength(knownColors); ++i) {
1.371 + if (!lstrcmpiW(themeColor, knownColors[i].name)) {
1.372 + color = (WindowsThemeColor)knownColors[i].type;
1.373 + break;
1.374 + }
1.375 + }
1.376 +
1.377 + switch(color) {
1.378 + case WINTHEMECOLOR_NORMAL:
1.379 + sThemeId = LookAndFeel::eWindowsTheme_LunaBlue;
1.380 + return;
1.381 + case WINTHEMECOLOR_HOMESTEAD:
1.382 + sThemeId = LookAndFeel::eWindowsTheme_LunaOlive;
1.383 + return;
1.384 + case WINTHEMECOLOR_METALLIC:
1.385 + sThemeId = LookAndFeel::eWindowsTheme_LunaSilver;
1.386 + return;
1.387 + default:
1.388 + NS_WARNING("unhandled theme color.");
1.389 + return;
1.390 + }
1.391 +}
