Thu, 15 Jan 2015 21:03:48 +0100
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
michael@0 | 1 | /* vim: set shiftwidth=4 tabstop=8 autoindent cindent expandtab: */ |
michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 5 | |
michael@0 | 6 | /* the features that media queries can test */ |
michael@0 | 7 | |
michael@0 | 8 | #include "nsMediaFeatures.h" |
michael@0 | 9 | #include "nsGkAtoms.h" |
michael@0 | 10 | #include "nsCSSKeywords.h" |
michael@0 | 11 | #include "nsStyleConsts.h" |
michael@0 | 12 | #include "nsPresContext.h" |
michael@0 | 13 | #include "nsCSSValue.h" |
michael@0 | 14 | #ifdef XP_WIN |
michael@0 | 15 | #include "mozilla/LookAndFeel.h" |
michael@0 | 16 | #endif |
michael@0 | 17 | #include "nsCSSRuleProcessor.h" |
michael@0 | 18 | #include "nsDeviceContext.h" |
michael@0 | 19 | #include "nsIDocument.h" |
michael@0 | 20 | |
michael@0 | 21 | using namespace mozilla; |
michael@0 | 22 | |
michael@0 | 23 | static const nsCSSProps::KTableValue kOrientationKeywords[] = { |
michael@0 | 24 | eCSSKeyword_portrait, NS_STYLE_ORIENTATION_PORTRAIT, |
michael@0 | 25 | eCSSKeyword_landscape, NS_STYLE_ORIENTATION_LANDSCAPE, |
michael@0 | 26 | eCSSKeyword_UNKNOWN, -1 |
michael@0 | 27 | }; |
michael@0 | 28 | |
michael@0 | 29 | static const nsCSSProps::KTableValue kScanKeywords[] = { |
michael@0 | 30 | eCSSKeyword_progressive, NS_STYLE_SCAN_PROGRESSIVE, |
michael@0 | 31 | eCSSKeyword_interlace, NS_STYLE_SCAN_INTERLACE, |
michael@0 | 32 | eCSSKeyword_UNKNOWN, -1 |
michael@0 | 33 | }; |
michael@0 | 34 | |
michael@0 | 35 | #ifdef XP_WIN |
michael@0 | 36 | struct WindowsThemeName { |
michael@0 | 37 | LookAndFeel::WindowsTheme id; |
michael@0 | 38 | const wchar_t* name; |
michael@0 | 39 | }; |
michael@0 | 40 | |
michael@0 | 41 | // Windows theme identities used in the -moz-windows-theme media query. |
michael@0 | 42 | const WindowsThemeName themeStrings[] = { |
michael@0 | 43 | { LookAndFeel::eWindowsTheme_Aero, L"aero" }, |
michael@0 | 44 | { LookAndFeel::eWindowsTheme_AeroLite, L"aero-lite" }, |
michael@0 | 45 | { LookAndFeel::eWindowsTheme_LunaBlue, L"luna-blue" }, |
michael@0 | 46 | { LookAndFeel::eWindowsTheme_LunaOlive, L"luna-olive" }, |
michael@0 | 47 | { LookAndFeel::eWindowsTheme_LunaSilver, L"luna-silver" }, |
michael@0 | 48 | { LookAndFeel::eWindowsTheme_Royale, L"royale" }, |
michael@0 | 49 | { LookAndFeel::eWindowsTheme_Zune, L"zune" }, |
michael@0 | 50 | { LookAndFeel::eWindowsTheme_Generic, L"generic" } |
michael@0 | 51 | }; |
michael@0 | 52 | |
michael@0 | 53 | struct OperatingSystemVersionInfo { |
michael@0 | 54 | LookAndFeel::OperatingSystemVersion id; |
michael@0 | 55 | const wchar_t* name; |
michael@0 | 56 | }; |
michael@0 | 57 | |
michael@0 | 58 | // Os version identities used in the -moz-os-version media query. |
michael@0 | 59 | const OperatingSystemVersionInfo osVersionStrings[] = { |
michael@0 | 60 | { LookAndFeel::eOperatingSystemVersion_WindowsXP, L"windows-xp" }, |
michael@0 | 61 | { LookAndFeel::eOperatingSystemVersion_WindowsVista, L"windows-vista" }, |
michael@0 | 62 | { LookAndFeel::eOperatingSystemVersion_Windows7, L"windows-win7" }, |
michael@0 | 63 | { LookAndFeel::eOperatingSystemVersion_Windows8, L"windows-win8" }, |
michael@0 | 64 | }; |
michael@0 | 65 | #endif |
michael@0 | 66 | |
michael@0 | 67 | // A helper for four features below |
michael@0 | 68 | static nsSize |
michael@0 | 69 | GetSize(nsPresContext* aPresContext) |
michael@0 | 70 | { |
michael@0 | 71 | nsSize size; |
michael@0 | 72 | if (aPresContext->IsRootPaginatedDocument()) |
michael@0 | 73 | // We want the page size, including unprintable areas and margins. |
michael@0 | 74 | size = aPresContext->GetPageSize(); |
michael@0 | 75 | else |
michael@0 | 76 | size = aPresContext->GetVisibleArea().Size(); |
michael@0 | 77 | return size; |
michael@0 | 78 | } |
michael@0 | 79 | |
michael@0 | 80 | static nsresult |
michael@0 | 81 | GetWidth(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 82 | nsCSSValue& aResult) |
michael@0 | 83 | { |
michael@0 | 84 | nsSize size = GetSize(aPresContext); |
michael@0 | 85 | float pixelWidth = aPresContext->AppUnitsToFloatCSSPixels(size.width); |
michael@0 | 86 | aResult.SetFloatValue(pixelWidth, eCSSUnit_Pixel); |
michael@0 | 87 | return NS_OK; |
michael@0 | 88 | } |
michael@0 | 89 | |
michael@0 | 90 | static nsresult |
michael@0 | 91 | GetHeight(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 92 | nsCSSValue& aResult) |
michael@0 | 93 | { |
michael@0 | 94 | nsSize size = GetSize(aPresContext); |
michael@0 | 95 | float pixelHeight = aPresContext->AppUnitsToFloatCSSPixels(size.height); |
michael@0 | 96 | aResult.SetFloatValue(pixelHeight, eCSSUnit_Pixel); |
michael@0 | 97 | return NS_OK; |
michael@0 | 98 | } |
michael@0 | 99 | |
michael@0 | 100 | inline static nsDeviceContext* |
michael@0 | 101 | GetDeviceContextFor(nsPresContext* aPresContext) |
michael@0 | 102 | { |
michael@0 | 103 | // It would be nice to call |
michael@0 | 104 | // nsLayoutUtils::GetDeviceContextForScreenInfo here, except for two |
michael@0 | 105 | // things: (1) it can flush, and flushing is bad here, and (2) it |
michael@0 | 106 | // doesn't really get us consistency in multi-monitor situations |
michael@0 | 107 | // *anyway*. |
michael@0 | 108 | return aPresContext->DeviceContext(); |
michael@0 | 109 | } |
michael@0 | 110 | |
michael@0 | 111 | // A helper for three features below. |
michael@0 | 112 | static nsSize |
michael@0 | 113 | GetDeviceSize(nsPresContext* aPresContext) |
michael@0 | 114 | { |
michael@0 | 115 | nsSize size; |
michael@0 | 116 | |
michael@0 | 117 | if (!aPresContext->IsChrome() || aPresContext->IsDeviceSizePageSize()) { |
michael@0 | 118 | size = GetSize(aPresContext); |
michael@0 | 119 | } else if (aPresContext->IsRootPaginatedDocument()) { |
michael@0 | 120 | // We want the page size, including unprintable areas and margins. |
michael@0 | 121 | // XXX The spec actually says we want the "page sheet size", but |
michael@0 | 122 | // how is that different? |
michael@0 | 123 | size = aPresContext->GetPageSize(); |
michael@0 | 124 | } else { |
michael@0 | 125 | GetDeviceContextFor(aPresContext)-> |
michael@0 | 126 | GetDeviceSurfaceDimensions(size.width, size.height); |
michael@0 | 127 | } |
michael@0 | 128 | return size; |
michael@0 | 129 | } |
michael@0 | 130 | |
michael@0 | 131 | static nsresult |
michael@0 | 132 | GetDeviceWidth(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 133 | nsCSSValue& aResult) |
michael@0 | 134 | { |
michael@0 | 135 | nsSize size = GetDeviceSize(aPresContext); |
michael@0 | 136 | float pixelWidth = aPresContext->AppUnitsToFloatCSSPixels(size.width); |
michael@0 | 137 | aResult.SetFloatValue(pixelWidth, eCSSUnit_Pixel); |
michael@0 | 138 | return NS_OK; |
michael@0 | 139 | } |
michael@0 | 140 | |
michael@0 | 141 | static nsresult |
michael@0 | 142 | GetDeviceHeight(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 143 | nsCSSValue& aResult) |
michael@0 | 144 | { |
michael@0 | 145 | nsSize size = GetDeviceSize(aPresContext); |
michael@0 | 146 | float pixelHeight = aPresContext->AppUnitsToFloatCSSPixels(size.height); |
michael@0 | 147 | aResult.SetFloatValue(pixelHeight, eCSSUnit_Pixel); |
michael@0 | 148 | return NS_OK; |
michael@0 | 149 | } |
michael@0 | 150 | |
michael@0 | 151 | static nsresult |
michael@0 | 152 | GetOrientation(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 153 | nsCSSValue& aResult) |
michael@0 | 154 | { |
michael@0 | 155 | nsSize size = GetSize(aPresContext); |
michael@0 | 156 | int32_t orientation; |
michael@0 | 157 | if (size.width > size.height) { |
michael@0 | 158 | orientation = NS_STYLE_ORIENTATION_LANDSCAPE; |
michael@0 | 159 | } else { |
michael@0 | 160 | // Per spec, square viewports should be 'portrait' |
michael@0 | 161 | orientation = NS_STYLE_ORIENTATION_PORTRAIT; |
michael@0 | 162 | } |
michael@0 | 163 | |
michael@0 | 164 | aResult.SetIntValue(orientation, eCSSUnit_Enumerated); |
michael@0 | 165 | return NS_OK; |
michael@0 | 166 | } |
michael@0 | 167 | |
michael@0 | 168 | static nsresult |
michael@0 | 169 | GetDeviceOrientation(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 170 | nsCSSValue& aResult) |
michael@0 | 171 | { |
michael@0 | 172 | nsSize size = GetDeviceSize(aPresContext); |
michael@0 | 173 | int32_t orientation; |
michael@0 | 174 | if (size.width > size.height) { |
michael@0 | 175 | orientation = NS_STYLE_ORIENTATION_LANDSCAPE; |
michael@0 | 176 | } else { |
michael@0 | 177 | // Per spec, square viewports should be 'portrait' |
michael@0 | 178 | orientation = NS_STYLE_ORIENTATION_PORTRAIT; |
michael@0 | 179 | } |
michael@0 | 180 | |
michael@0 | 181 | aResult.SetIntValue(orientation, eCSSUnit_Enumerated); |
michael@0 | 182 | return NS_OK; |
michael@0 | 183 | } |
michael@0 | 184 | |
michael@0 | 185 | static nsresult |
michael@0 | 186 | GetIsResourceDocument(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 187 | nsCSSValue& aResult) |
michael@0 | 188 | { |
michael@0 | 189 | nsIDocument* doc = aPresContext->Document(); |
michael@0 | 190 | aResult.SetIntValue(doc && doc->IsResourceDoc() ? 1 : 0, eCSSUnit_Integer); |
michael@0 | 191 | return NS_OK; |
michael@0 | 192 | } |
michael@0 | 193 | |
michael@0 | 194 | // Helper for two features below |
michael@0 | 195 | static nsresult |
michael@0 | 196 | MakeArray(const nsSize& aSize, nsCSSValue& aResult) |
michael@0 | 197 | { |
michael@0 | 198 | nsRefPtr<nsCSSValue::Array> a = nsCSSValue::Array::Create(2); |
michael@0 | 199 | |
michael@0 | 200 | a->Item(0).SetIntValue(aSize.width, eCSSUnit_Integer); |
michael@0 | 201 | a->Item(1).SetIntValue(aSize.height, eCSSUnit_Integer); |
michael@0 | 202 | |
michael@0 | 203 | aResult.SetArrayValue(a, eCSSUnit_Array); |
michael@0 | 204 | return NS_OK; |
michael@0 | 205 | } |
michael@0 | 206 | |
michael@0 | 207 | static nsresult |
michael@0 | 208 | GetAspectRatio(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 209 | nsCSSValue& aResult) |
michael@0 | 210 | { |
michael@0 | 211 | return MakeArray(GetSize(aPresContext), aResult); |
michael@0 | 212 | } |
michael@0 | 213 | |
michael@0 | 214 | static nsresult |
michael@0 | 215 | GetDeviceAspectRatio(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 216 | nsCSSValue& aResult) |
michael@0 | 217 | { |
michael@0 | 218 | return MakeArray(GetDeviceSize(aPresContext), aResult); |
michael@0 | 219 | } |
michael@0 | 220 | |
michael@0 | 221 | static nsresult |
michael@0 | 222 | GetColor(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 223 | nsCSSValue& aResult) |
michael@0 | 224 | { |
michael@0 | 225 | uint32_t depth = 24; // Always assume 24-bit depth for non-chrome callers. |
michael@0 | 226 | |
michael@0 | 227 | if (aPresContext->IsChrome()) { |
michael@0 | 228 | // FIXME: This implementation is bogus. nsDeviceContext |
michael@0 | 229 | // doesn't provide reliable information (should be fixed in bug |
michael@0 | 230 | // 424386). |
michael@0 | 231 | // FIXME: On a monochrome device, return 0! |
michael@0 | 232 | nsDeviceContext *dx = GetDeviceContextFor(aPresContext); |
michael@0 | 233 | dx->GetDepth(depth); |
michael@0 | 234 | } |
michael@0 | 235 | |
michael@0 | 236 | // The spec says to use bits *per color component*, so divide by 3, |
michael@0 | 237 | // and round down, since the spec says to use the smallest when the |
michael@0 | 238 | // color components differ. |
michael@0 | 239 | depth /= 3; |
michael@0 | 240 | aResult.SetIntValue(int32_t(depth), eCSSUnit_Integer); |
michael@0 | 241 | return NS_OK; |
michael@0 | 242 | } |
michael@0 | 243 | |
michael@0 | 244 | static nsresult |
michael@0 | 245 | GetColorIndex(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 246 | nsCSSValue& aResult) |
michael@0 | 247 | { |
michael@0 | 248 | // We should return zero if the device does not use a color lookup |
michael@0 | 249 | // table. Stuart says that our handling of displays with 8-bit |
michael@0 | 250 | // color is bad enough that we never change the lookup table to |
michael@0 | 251 | // match what we're trying to display, so perhaps we should always |
michael@0 | 252 | // return zero. Given that there isn't any better information |
michael@0 | 253 | // exposed, we don't have much other choice. |
michael@0 | 254 | aResult.SetIntValue(0, eCSSUnit_Integer); |
michael@0 | 255 | return NS_OK; |
michael@0 | 256 | } |
michael@0 | 257 | |
michael@0 | 258 | static nsresult |
michael@0 | 259 | GetMonochrome(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 260 | nsCSSValue& aResult) |
michael@0 | 261 | { |
michael@0 | 262 | // For color devices we should return 0. |
michael@0 | 263 | // FIXME: On a monochrome device, return the actual color depth, not |
michael@0 | 264 | // 0! |
michael@0 | 265 | aResult.SetIntValue(0, eCSSUnit_Integer); |
michael@0 | 266 | return NS_OK; |
michael@0 | 267 | } |
michael@0 | 268 | |
michael@0 | 269 | static nsresult |
michael@0 | 270 | GetResolution(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 271 | nsCSSValue& aResult) |
michael@0 | 272 | { |
michael@0 | 273 | float dpi = 96; // Always return 96 to non-chrome callers. |
michael@0 | 274 | |
michael@0 | 275 | if (aPresContext->IsChrome()) { |
michael@0 | 276 | // Resolution measures device pixels per CSS (inch/cm/pixel). We |
michael@0 | 277 | // return it in device pixels per CSS inches. |
michael@0 | 278 | dpi = float(nsPresContext::AppUnitsPerCSSInch()) / |
michael@0 | 279 | float(aPresContext->AppUnitsPerDevPixel()); |
michael@0 | 280 | } |
michael@0 | 281 | |
michael@0 | 282 | aResult.SetFloatValue(dpi, eCSSUnit_Inch); |
michael@0 | 283 | return NS_OK; |
michael@0 | 284 | } |
michael@0 | 285 | |
michael@0 | 286 | static nsresult |
michael@0 | 287 | GetScan(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 288 | nsCSSValue& aResult) |
michael@0 | 289 | { |
michael@0 | 290 | // Since Gecko doesn't support the 'tv' media type, the 'scan' |
michael@0 | 291 | // feature is never present. |
michael@0 | 292 | aResult.Reset(); |
michael@0 | 293 | return NS_OK; |
michael@0 | 294 | } |
michael@0 | 295 | |
michael@0 | 296 | static nsresult |
michael@0 | 297 | GetGrid(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 298 | nsCSSValue& aResult) |
michael@0 | 299 | { |
michael@0 | 300 | // Gecko doesn't support grid devices (e.g., ttys), so the 'grid' |
michael@0 | 301 | // feature is always 0. |
michael@0 | 302 | aResult.SetIntValue(0, eCSSUnit_Integer); |
michael@0 | 303 | return NS_OK; |
michael@0 | 304 | } |
michael@0 | 305 | |
michael@0 | 306 | static nsresult |
michael@0 | 307 | GetDevicePixelRatio(nsPresContext* aPresContext, const nsMediaFeature*, |
michael@0 | 308 | nsCSSValue& aResult) |
michael@0 | 309 | { |
michael@0 | 310 | if (aPresContext->IsChrome()) { |
michael@0 | 311 | float ratio = aPresContext->CSSPixelsToDevPixels(1.0f); |
michael@0 | 312 | aResult.SetFloatValue(ratio, eCSSUnit_Number); |
michael@0 | 313 | } else { |
michael@0 | 314 | aResult.SetFloatValue(1.0, eCSSUnit_Number); |
michael@0 | 315 | } |
michael@0 | 316 | return NS_OK; |
michael@0 | 317 | } |
michael@0 | 318 | |
michael@0 | 319 | static nsresult |
michael@0 | 320 | GetSystemMetric(nsPresContext* aPresContext, const nsMediaFeature* aFeature, |
michael@0 | 321 | nsCSSValue& aResult) |
michael@0 | 322 | { |
michael@0 | 323 | aResult.Reset(); |
michael@0 | 324 | if (aPresContext->IsChrome()) { |
michael@0 | 325 | NS_ABORT_IF_FALSE(aFeature->mValueType == nsMediaFeature::eBoolInteger, |
michael@0 | 326 | "unexpected type"); |
michael@0 | 327 | nsIAtom *metricAtom = *aFeature->mData.mMetric; |
michael@0 | 328 | bool hasMetric = nsCSSRuleProcessor::HasSystemMetric(metricAtom); |
michael@0 | 329 | aResult.SetIntValue(hasMetric ? 1 : 0, eCSSUnit_Integer); |
michael@0 | 330 | } |
michael@0 | 331 | return NS_OK; |
michael@0 | 332 | } |
michael@0 | 333 | |
michael@0 | 334 | static nsresult |
michael@0 | 335 | GetWindowsTheme(nsPresContext* aPresContext, const nsMediaFeature* aFeature, |
michael@0 | 336 | nsCSSValue& aResult) |
michael@0 | 337 | { |
michael@0 | 338 | aResult.Reset(); |
michael@0 | 339 | #ifdef XP_WIN |
michael@0 | 340 | if (aPresContext->IsChrome()) { |
michael@0 | 341 | uint8_t windowsThemeId = |
michael@0 | 342 | nsCSSRuleProcessor::GetWindowsThemeIdentifier(); |
michael@0 | 343 | |
michael@0 | 344 | // Classic mode should fail to match. |
michael@0 | 345 | if (windowsThemeId == LookAndFeel::eWindowsTheme_Classic) |
michael@0 | 346 | return NS_OK; |
michael@0 | 347 | |
michael@0 | 348 | // Look up the appropriate theme string |
michael@0 | 349 | for (size_t i = 0; i < ArrayLength(themeStrings); ++i) { |
michael@0 | 350 | if (windowsThemeId == themeStrings[i].id) { |
michael@0 | 351 | aResult.SetStringValue(nsDependentString(themeStrings[i].name), |
michael@0 | 352 | eCSSUnit_Ident); |
michael@0 | 353 | break; |
michael@0 | 354 | } |
michael@0 | 355 | } |
michael@0 | 356 | } |
michael@0 | 357 | #endif |
michael@0 | 358 | return NS_OK; |
michael@0 | 359 | } |
michael@0 | 360 | |
michael@0 | 361 | static nsresult |
michael@0 | 362 | GetOperatinSystemVersion(nsPresContext* aPresContext, const nsMediaFeature* aFeature, |
michael@0 | 363 | nsCSSValue& aResult) |
michael@0 | 364 | { |
michael@0 | 365 | aResult.Reset(); |
michael@0 | 366 | if (!aPresContext->IsChrome()) return NS_OK; |
michael@0 | 367 | |
michael@0 | 368 | #ifdef XP_WIN |
michael@0 | 369 | int32_t metricResult; |
michael@0 | 370 | if (NS_SUCCEEDED( |
michael@0 | 371 | LookAndFeel::GetInt(LookAndFeel::eIntID_OperatingSystemVersionIdentifier, |
michael@0 | 372 | &metricResult))) { |
michael@0 | 373 | for (size_t i = 0; i < ArrayLength(osVersionStrings); ++i) { |
michael@0 | 374 | if (metricResult == osVersionStrings[i].id) { |
michael@0 | 375 | aResult.SetStringValue(nsDependentString(osVersionStrings[i].name), |
michael@0 | 376 | eCSSUnit_Ident); |
michael@0 | 377 | break; |
michael@0 | 378 | } |
michael@0 | 379 | } |
michael@0 | 380 | } |
michael@0 | 381 | #endif |
michael@0 | 382 | return NS_OK; |
michael@0 | 383 | } |
michael@0 | 384 | |
michael@0 | 385 | static nsresult |
michael@0 | 386 | GetIsGlyph(nsPresContext* aPresContext, const nsMediaFeature* aFeature, |
michael@0 | 387 | nsCSSValue& aResult) |
michael@0 | 388 | { |
michael@0 | 389 | aResult.SetIntValue(aPresContext->IsGlyph() ? 1 : 0, eCSSUnit_Integer); |
michael@0 | 390 | return NS_OK; |
michael@0 | 391 | } |
michael@0 | 392 | |
michael@0 | 393 | /* |
michael@0 | 394 | * Adding new media features requires (1) adding the new feature to this |
michael@0 | 395 | * array, with appropriate entries (and potentially any new code needed |
michael@0 | 396 | * to support new types in these entries and (2) ensuring that either |
michael@0 | 397 | * nsPresContext::MediaFeatureValuesChanged or |
michael@0 | 398 | * nsPresContext::PostMediaFeatureValuesChangedEvent is called when the |
michael@0 | 399 | * value that would be returned by the entry's mGetter changes. |
michael@0 | 400 | */ |
michael@0 | 401 | |
michael@0 | 402 | /* static */ const nsMediaFeature |
michael@0 | 403 | nsMediaFeatures::features[] = { |
michael@0 | 404 | { |
michael@0 | 405 | &nsGkAtoms::width, |
michael@0 | 406 | nsMediaFeature::eMinMaxAllowed, |
michael@0 | 407 | nsMediaFeature::eLength, |
michael@0 | 408 | { nullptr }, |
michael@0 | 409 | GetWidth |
michael@0 | 410 | }, |
michael@0 | 411 | { |
michael@0 | 412 | &nsGkAtoms::height, |
michael@0 | 413 | nsMediaFeature::eMinMaxAllowed, |
michael@0 | 414 | nsMediaFeature::eLength, |
michael@0 | 415 | { nullptr }, |
michael@0 | 416 | GetHeight |
michael@0 | 417 | }, |
michael@0 | 418 | { |
michael@0 | 419 | &nsGkAtoms::deviceWidth, |
michael@0 | 420 | nsMediaFeature::eMinMaxAllowed, |
michael@0 | 421 | nsMediaFeature::eLength, |
michael@0 | 422 | { nullptr }, |
michael@0 | 423 | GetDeviceWidth |
michael@0 | 424 | }, |
michael@0 | 425 | { |
michael@0 | 426 | &nsGkAtoms::deviceHeight, |
michael@0 | 427 | nsMediaFeature::eMinMaxAllowed, |
michael@0 | 428 | nsMediaFeature::eLength, |
michael@0 | 429 | { nullptr }, |
michael@0 | 430 | GetDeviceHeight |
michael@0 | 431 | }, |
michael@0 | 432 | { |
michael@0 | 433 | &nsGkAtoms::orientation, |
michael@0 | 434 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 435 | nsMediaFeature::eEnumerated, |
michael@0 | 436 | { kOrientationKeywords }, |
michael@0 | 437 | GetOrientation |
michael@0 | 438 | }, |
michael@0 | 439 | { |
michael@0 | 440 | &nsGkAtoms::aspectRatio, |
michael@0 | 441 | nsMediaFeature::eMinMaxAllowed, |
michael@0 | 442 | nsMediaFeature::eIntRatio, |
michael@0 | 443 | { nullptr }, |
michael@0 | 444 | GetAspectRatio |
michael@0 | 445 | }, |
michael@0 | 446 | { |
michael@0 | 447 | &nsGkAtoms::deviceAspectRatio, |
michael@0 | 448 | nsMediaFeature::eMinMaxAllowed, |
michael@0 | 449 | nsMediaFeature::eIntRatio, |
michael@0 | 450 | { nullptr }, |
michael@0 | 451 | GetDeviceAspectRatio |
michael@0 | 452 | }, |
michael@0 | 453 | { |
michael@0 | 454 | &nsGkAtoms::color, |
michael@0 | 455 | nsMediaFeature::eMinMaxAllowed, |
michael@0 | 456 | nsMediaFeature::eInteger, |
michael@0 | 457 | { nullptr }, |
michael@0 | 458 | GetColor |
michael@0 | 459 | }, |
michael@0 | 460 | { |
michael@0 | 461 | &nsGkAtoms::colorIndex, |
michael@0 | 462 | nsMediaFeature::eMinMaxAllowed, |
michael@0 | 463 | nsMediaFeature::eInteger, |
michael@0 | 464 | { nullptr }, |
michael@0 | 465 | GetColorIndex |
michael@0 | 466 | }, |
michael@0 | 467 | { |
michael@0 | 468 | &nsGkAtoms::monochrome, |
michael@0 | 469 | nsMediaFeature::eMinMaxAllowed, |
michael@0 | 470 | nsMediaFeature::eInteger, |
michael@0 | 471 | { nullptr }, |
michael@0 | 472 | GetMonochrome |
michael@0 | 473 | }, |
michael@0 | 474 | { |
michael@0 | 475 | &nsGkAtoms::resolution, |
michael@0 | 476 | nsMediaFeature::eMinMaxAllowed, |
michael@0 | 477 | nsMediaFeature::eResolution, |
michael@0 | 478 | { nullptr }, |
michael@0 | 479 | GetResolution |
michael@0 | 480 | }, |
michael@0 | 481 | { |
michael@0 | 482 | &nsGkAtoms::scan, |
michael@0 | 483 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 484 | nsMediaFeature::eEnumerated, |
michael@0 | 485 | { kScanKeywords }, |
michael@0 | 486 | GetScan |
michael@0 | 487 | }, |
michael@0 | 488 | { |
michael@0 | 489 | &nsGkAtoms::grid, |
michael@0 | 490 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 491 | nsMediaFeature::eBoolInteger, |
michael@0 | 492 | { nullptr }, |
michael@0 | 493 | GetGrid |
michael@0 | 494 | }, |
michael@0 | 495 | |
michael@0 | 496 | // Mozilla extensions |
michael@0 | 497 | { |
michael@0 | 498 | &nsGkAtoms::_moz_device_pixel_ratio, |
michael@0 | 499 | nsMediaFeature::eMinMaxAllowed, |
michael@0 | 500 | nsMediaFeature::eFloat, |
michael@0 | 501 | { nullptr }, |
michael@0 | 502 | GetDevicePixelRatio |
michael@0 | 503 | }, |
michael@0 | 504 | { |
michael@0 | 505 | &nsGkAtoms::_moz_device_orientation, |
michael@0 | 506 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 507 | nsMediaFeature::eEnumerated, |
michael@0 | 508 | { kOrientationKeywords }, |
michael@0 | 509 | GetDeviceOrientation |
michael@0 | 510 | }, |
michael@0 | 511 | { |
michael@0 | 512 | &nsGkAtoms::_moz_is_resource_document, |
michael@0 | 513 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 514 | nsMediaFeature::eBoolInteger, |
michael@0 | 515 | { nullptr }, |
michael@0 | 516 | GetIsResourceDocument |
michael@0 | 517 | }, |
michael@0 | 518 | { |
michael@0 | 519 | &nsGkAtoms::_moz_color_picker_available, |
michael@0 | 520 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 521 | nsMediaFeature::eBoolInteger, |
michael@0 | 522 | { &nsGkAtoms::color_picker_available }, |
michael@0 | 523 | GetSystemMetric |
michael@0 | 524 | }, |
michael@0 | 525 | { |
michael@0 | 526 | &nsGkAtoms::_moz_scrollbar_start_backward, |
michael@0 | 527 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 528 | nsMediaFeature::eBoolInteger, |
michael@0 | 529 | { &nsGkAtoms::scrollbar_start_backward }, |
michael@0 | 530 | GetSystemMetric |
michael@0 | 531 | }, |
michael@0 | 532 | { |
michael@0 | 533 | &nsGkAtoms::_moz_scrollbar_start_forward, |
michael@0 | 534 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 535 | nsMediaFeature::eBoolInteger, |
michael@0 | 536 | { &nsGkAtoms::scrollbar_start_forward }, |
michael@0 | 537 | GetSystemMetric |
michael@0 | 538 | }, |
michael@0 | 539 | { |
michael@0 | 540 | &nsGkAtoms::_moz_scrollbar_end_backward, |
michael@0 | 541 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 542 | nsMediaFeature::eBoolInteger, |
michael@0 | 543 | { &nsGkAtoms::scrollbar_end_backward }, |
michael@0 | 544 | GetSystemMetric |
michael@0 | 545 | }, |
michael@0 | 546 | { |
michael@0 | 547 | &nsGkAtoms::_moz_scrollbar_end_forward, |
michael@0 | 548 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 549 | nsMediaFeature::eBoolInteger, |
michael@0 | 550 | { &nsGkAtoms::scrollbar_end_forward }, |
michael@0 | 551 | GetSystemMetric |
michael@0 | 552 | }, |
michael@0 | 553 | { |
michael@0 | 554 | &nsGkAtoms::_moz_scrollbar_thumb_proportional, |
michael@0 | 555 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 556 | nsMediaFeature::eBoolInteger, |
michael@0 | 557 | { &nsGkAtoms::scrollbar_thumb_proportional }, |
michael@0 | 558 | GetSystemMetric |
michael@0 | 559 | }, |
michael@0 | 560 | { |
michael@0 | 561 | &nsGkAtoms::_moz_images_in_menus, |
michael@0 | 562 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 563 | nsMediaFeature::eBoolInteger, |
michael@0 | 564 | { &nsGkAtoms::images_in_menus }, |
michael@0 | 565 | GetSystemMetric |
michael@0 | 566 | }, |
michael@0 | 567 | { |
michael@0 | 568 | &nsGkAtoms::_moz_images_in_buttons, |
michael@0 | 569 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 570 | nsMediaFeature::eBoolInteger, |
michael@0 | 571 | { &nsGkAtoms::images_in_buttons }, |
michael@0 | 572 | GetSystemMetric |
michael@0 | 573 | }, |
michael@0 | 574 | { |
michael@0 | 575 | &nsGkAtoms::_moz_overlay_scrollbars, |
michael@0 | 576 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 577 | nsMediaFeature::eBoolInteger, |
michael@0 | 578 | { &nsGkAtoms::overlay_scrollbars }, |
michael@0 | 579 | GetSystemMetric |
michael@0 | 580 | }, |
michael@0 | 581 | { |
michael@0 | 582 | &nsGkAtoms::_moz_windows_default_theme, |
michael@0 | 583 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 584 | nsMediaFeature::eBoolInteger, |
michael@0 | 585 | { &nsGkAtoms::windows_default_theme }, |
michael@0 | 586 | GetSystemMetric |
michael@0 | 587 | }, |
michael@0 | 588 | { |
michael@0 | 589 | &nsGkAtoms::_moz_mac_graphite_theme, |
michael@0 | 590 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 591 | nsMediaFeature::eBoolInteger, |
michael@0 | 592 | { &nsGkAtoms::mac_graphite_theme }, |
michael@0 | 593 | GetSystemMetric |
michael@0 | 594 | }, |
michael@0 | 595 | { |
michael@0 | 596 | &nsGkAtoms::_moz_mac_lion_theme, |
michael@0 | 597 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 598 | nsMediaFeature::eBoolInteger, |
michael@0 | 599 | { &nsGkAtoms::mac_lion_theme }, |
michael@0 | 600 | GetSystemMetric |
michael@0 | 601 | }, |
michael@0 | 602 | { |
michael@0 | 603 | &nsGkAtoms::_moz_windows_compositor, |
michael@0 | 604 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 605 | nsMediaFeature::eBoolInteger, |
michael@0 | 606 | { &nsGkAtoms::windows_compositor }, |
michael@0 | 607 | GetSystemMetric |
michael@0 | 608 | }, |
michael@0 | 609 | { |
michael@0 | 610 | &nsGkAtoms::_moz_windows_classic, |
michael@0 | 611 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 612 | nsMediaFeature::eBoolInteger, |
michael@0 | 613 | { &nsGkAtoms::windows_classic }, |
michael@0 | 614 | GetSystemMetric |
michael@0 | 615 | }, |
michael@0 | 616 | { |
michael@0 | 617 | &nsGkAtoms::_moz_windows_glass, |
michael@0 | 618 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 619 | nsMediaFeature::eBoolInteger, |
michael@0 | 620 | { &nsGkAtoms::windows_glass }, |
michael@0 | 621 | GetSystemMetric |
michael@0 | 622 | }, |
michael@0 | 623 | { |
michael@0 | 624 | &nsGkAtoms::_moz_touch_enabled, |
michael@0 | 625 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 626 | nsMediaFeature::eBoolInteger, |
michael@0 | 627 | { &nsGkAtoms::touch_enabled }, |
michael@0 | 628 | GetSystemMetric |
michael@0 | 629 | }, |
michael@0 | 630 | { |
michael@0 | 631 | &nsGkAtoms::_moz_menubar_drag, |
michael@0 | 632 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 633 | nsMediaFeature::eBoolInteger, |
michael@0 | 634 | { &nsGkAtoms::menubar_drag }, |
michael@0 | 635 | GetSystemMetric |
michael@0 | 636 | }, |
michael@0 | 637 | { |
michael@0 | 638 | &nsGkAtoms::_moz_windows_theme, |
michael@0 | 639 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 640 | nsMediaFeature::eIdent, |
michael@0 | 641 | { nullptr }, |
michael@0 | 642 | GetWindowsTheme |
michael@0 | 643 | }, |
michael@0 | 644 | { |
michael@0 | 645 | &nsGkAtoms::_moz_os_version, |
michael@0 | 646 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 647 | nsMediaFeature::eIdent, |
michael@0 | 648 | { nullptr }, |
michael@0 | 649 | GetOperatinSystemVersion |
michael@0 | 650 | }, |
michael@0 | 651 | |
michael@0 | 652 | { |
michael@0 | 653 | &nsGkAtoms::_moz_swipe_animation_enabled, |
michael@0 | 654 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 655 | nsMediaFeature::eBoolInteger, |
michael@0 | 656 | { &nsGkAtoms::swipe_animation_enabled }, |
michael@0 | 657 | GetSystemMetric |
michael@0 | 658 | }, |
michael@0 | 659 | |
michael@0 | 660 | { |
michael@0 | 661 | &nsGkAtoms::_moz_physical_home_button, |
michael@0 | 662 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 663 | nsMediaFeature::eBoolInteger, |
michael@0 | 664 | { &nsGkAtoms::physical_home_button }, |
michael@0 | 665 | GetSystemMetric |
michael@0 | 666 | }, |
michael@0 | 667 | |
michael@0 | 668 | // Internal -moz-is-glyph media feature: applies only inside SVG glyphs. |
michael@0 | 669 | // Internal because it is really only useful in the user agent anyway |
michael@0 | 670 | // and therefore not worth standardizing. |
michael@0 | 671 | { |
michael@0 | 672 | &nsGkAtoms::_moz_is_glyph, |
michael@0 | 673 | nsMediaFeature::eMinMaxNotAllowed, |
michael@0 | 674 | nsMediaFeature::eBoolInteger, |
michael@0 | 675 | { nullptr }, |
michael@0 | 676 | GetIsGlyph |
michael@0 | 677 | }, |
michael@0 | 678 | // Null-mName terminator: |
michael@0 | 679 | { |
michael@0 | 680 | nullptr, |
michael@0 | 681 | nsMediaFeature::eMinMaxAllowed, |
michael@0 | 682 | nsMediaFeature::eInteger, |
michael@0 | 683 | { nullptr }, |
michael@0 | 684 | nullptr |
michael@0 | 685 | }, |
michael@0 | 686 | }; |