Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
michael@0 | 2 | /* vim:set ts=2 sw=2 et tw=78: */ |
michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 6 | |
michael@0 | 7 | #ifndef mozilla_dom_TextTrackCue_h |
michael@0 | 8 | #define mozilla_dom_TextTrackCue_h |
michael@0 | 9 | |
michael@0 | 10 | #include "mozilla/DOMEventTargetHelper.h" |
michael@0 | 11 | #include "mozilla/dom/DocumentFragment.h" |
michael@0 | 12 | #include "mozilla/dom/VTTCueBinding.h" |
michael@0 | 13 | #include "nsCycleCollectionParticipant.h" |
michael@0 | 14 | #include "nsIWebVTTParserWrapper.h" |
michael@0 | 15 | #include "mozilla/StaticPtr.h" |
michael@0 | 16 | #include "nsIDocument.h" |
michael@0 | 17 | #include "mozilla/dom/HTMLDivElement.h" |
michael@0 | 18 | #include "mozilla/dom/UnionTypes.h" |
michael@0 | 19 | #include "mozilla/dom/TextTrack.h" |
michael@0 | 20 | |
michael@0 | 21 | namespace mozilla { |
michael@0 | 22 | namespace dom { |
michael@0 | 23 | |
michael@0 | 24 | class HTMLTrackElement; |
michael@0 | 25 | class TextTrackRegion; |
michael@0 | 26 | |
michael@0 | 27 | class TextTrackCue MOZ_FINAL : public DOMEventTargetHelper |
michael@0 | 28 | { |
michael@0 | 29 | public: |
michael@0 | 30 | NS_DECL_ISUPPORTS_INHERITED |
michael@0 | 31 | NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TextTrackCue, DOMEventTargetHelper) |
michael@0 | 32 | |
michael@0 | 33 | // TextTrackCue WebIDL |
michael@0 | 34 | // See bug 868509 about splitting out the WebVTT-specific interfaces. |
michael@0 | 35 | static already_AddRefed<TextTrackCue> |
michael@0 | 36 | Constructor(GlobalObject& aGlobal, |
michael@0 | 37 | double aStartTime, |
michael@0 | 38 | double aEndTime, |
michael@0 | 39 | const nsAString& aText, |
michael@0 | 40 | ErrorResult& aRv) |
michael@0 | 41 | { |
michael@0 | 42 | nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aGlobal.GetAsSupports()); |
michael@0 | 43 | nsRefPtr<TextTrackCue> ttcue = new TextTrackCue(window, aStartTime, |
michael@0 | 44 | aEndTime, aText, aRv); |
michael@0 | 45 | return ttcue.forget(); |
michael@0 | 46 | } |
michael@0 | 47 | TextTrackCue(nsPIDOMWindow* aGlobal, double aStartTime, double aEndTime, |
michael@0 | 48 | const nsAString& aText, ErrorResult& aRv); |
michael@0 | 49 | |
michael@0 | 50 | TextTrackCue(nsPIDOMWindow* aGlobal, double aStartTime, double aEndTime, |
michael@0 | 51 | const nsAString& aText, HTMLTrackElement* aTrackElement, |
michael@0 | 52 | ErrorResult& aRv); |
michael@0 | 53 | |
michael@0 | 54 | virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE; |
michael@0 | 55 | |
michael@0 | 56 | TextTrack* GetTrack() const |
michael@0 | 57 | { |
michael@0 | 58 | return mTrack; |
michael@0 | 59 | } |
michael@0 | 60 | |
michael@0 | 61 | void GetId(nsAString& aId) const |
michael@0 | 62 | { |
michael@0 | 63 | aId = mId; |
michael@0 | 64 | } |
michael@0 | 65 | |
michael@0 | 66 | void SetId(const nsAString& aId) |
michael@0 | 67 | { |
michael@0 | 68 | if (mId == aId) { |
michael@0 | 69 | return; |
michael@0 | 70 | } |
michael@0 | 71 | |
michael@0 | 72 | mId = aId; |
michael@0 | 73 | } |
michael@0 | 74 | |
michael@0 | 75 | double StartTime() const |
michael@0 | 76 | { |
michael@0 | 77 | return mStartTime; |
michael@0 | 78 | } |
michael@0 | 79 | |
michael@0 | 80 | void SetStartTime(double aStartTime) |
michael@0 | 81 | { |
michael@0 | 82 | if (mStartTime == aStartTime) { |
michael@0 | 83 | return; |
michael@0 | 84 | } |
michael@0 | 85 | |
michael@0 | 86 | mStartTime = aStartTime; |
michael@0 | 87 | mReset = true; |
michael@0 | 88 | } |
michael@0 | 89 | |
michael@0 | 90 | double EndTime() const |
michael@0 | 91 | { |
michael@0 | 92 | return mEndTime; |
michael@0 | 93 | } |
michael@0 | 94 | |
michael@0 | 95 | void SetEndTime(double aEndTime) |
michael@0 | 96 | { |
michael@0 | 97 | if (mEndTime == aEndTime) { |
michael@0 | 98 | return; |
michael@0 | 99 | } |
michael@0 | 100 | |
michael@0 | 101 | mEndTime = aEndTime; |
michael@0 | 102 | mReset = true; |
michael@0 | 103 | } |
michael@0 | 104 | |
michael@0 | 105 | bool PauseOnExit() |
michael@0 | 106 | { |
michael@0 | 107 | return mPauseOnExit; |
michael@0 | 108 | } |
michael@0 | 109 | |
michael@0 | 110 | void SetPauseOnExit(bool aPauseOnExit) |
michael@0 | 111 | { |
michael@0 | 112 | if (mPauseOnExit == aPauseOnExit) { |
michael@0 | 113 | return; |
michael@0 | 114 | } |
michael@0 | 115 | |
michael@0 | 116 | mPauseOnExit = aPauseOnExit; |
michael@0 | 117 | } |
michael@0 | 118 | |
michael@0 | 119 | TextTrackRegion* GetRegion(); |
michael@0 | 120 | void SetRegion(TextTrackRegion* aRegion); |
michael@0 | 121 | |
michael@0 | 122 | DirectionSetting Vertical() const |
michael@0 | 123 | { |
michael@0 | 124 | return mVertical; |
michael@0 | 125 | } |
michael@0 | 126 | |
michael@0 | 127 | void SetVertical(const DirectionSetting& aVertical) |
michael@0 | 128 | { |
michael@0 | 129 | if (mVertical == aVertical) { |
michael@0 | 130 | return; |
michael@0 | 131 | } |
michael@0 | 132 | |
michael@0 | 133 | mReset = true; |
michael@0 | 134 | mVertical = aVertical; |
michael@0 | 135 | } |
michael@0 | 136 | |
michael@0 | 137 | bool SnapToLines() |
michael@0 | 138 | { |
michael@0 | 139 | return mSnapToLines; |
michael@0 | 140 | } |
michael@0 | 141 | |
michael@0 | 142 | void SetSnapToLines(bool aSnapToLines) |
michael@0 | 143 | { |
michael@0 | 144 | if (mSnapToLines == aSnapToLines) { |
michael@0 | 145 | return; |
michael@0 | 146 | } |
michael@0 | 147 | |
michael@0 | 148 | mReset = true; |
michael@0 | 149 | mSnapToLines = aSnapToLines; |
michael@0 | 150 | } |
michael@0 | 151 | |
michael@0 | 152 | void GetLine(OwningLongOrAutoKeyword& aLine) const |
michael@0 | 153 | { |
michael@0 | 154 | if (mLineIsAutoKeyword) { |
michael@0 | 155 | aLine.SetAsAutoKeyword() = AutoKeyword::Auto; |
michael@0 | 156 | return; |
michael@0 | 157 | } |
michael@0 | 158 | aLine.SetAsLong() = mLineLong; |
michael@0 | 159 | } |
michael@0 | 160 | |
michael@0 | 161 | void SetLine(const LongOrAutoKeyword& aLine) |
michael@0 | 162 | { |
michael@0 | 163 | if (aLine.IsLong() && |
michael@0 | 164 | (mLineIsAutoKeyword || (aLine.GetAsLong() != mLineLong))) { |
michael@0 | 165 | mLineIsAutoKeyword = false; |
michael@0 | 166 | mLineLong = aLine.GetAsLong(); |
michael@0 | 167 | mReset = true; |
michael@0 | 168 | return; |
michael@0 | 169 | } |
michael@0 | 170 | if (aLine.IsAutoKeyword() && !mLineIsAutoKeyword) { |
michael@0 | 171 | mLineIsAutoKeyword = true; |
michael@0 | 172 | mReset = true; |
michael@0 | 173 | } |
michael@0 | 174 | } |
michael@0 | 175 | |
michael@0 | 176 | AlignSetting LineAlign() const |
michael@0 | 177 | { |
michael@0 | 178 | return mLineAlign; |
michael@0 | 179 | } |
michael@0 | 180 | |
michael@0 | 181 | void SetLineAlign(AlignSetting& aLineAlign, ErrorResult& aRv) |
michael@0 | 182 | { |
michael@0 | 183 | if (mLineAlign == aLineAlign) |
michael@0 | 184 | return; |
michael@0 | 185 | |
michael@0 | 186 | if (aLineAlign == AlignSetting::Left || |
michael@0 | 187 | aLineAlign == AlignSetting::Right) { |
michael@0 | 188 | return aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR); |
michael@0 | 189 | } |
michael@0 | 190 | |
michael@0 | 191 | mReset = true; |
michael@0 | 192 | mLineAlign = aLineAlign; |
michael@0 | 193 | } |
michael@0 | 194 | |
michael@0 | 195 | int32_t Position() const |
michael@0 | 196 | { |
michael@0 | 197 | return mPosition; |
michael@0 | 198 | } |
michael@0 | 199 | |
michael@0 | 200 | void SetPosition(int32_t aPosition, ErrorResult& aRv) |
michael@0 | 201 | { |
michael@0 | 202 | if (mPosition == aPosition) { |
michael@0 | 203 | return; |
michael@0 | 204 | } |
michael@0 | 205 | |
michael@0 | 206 | if (aPosition > 100 || aPosition < 0){ |
michael@0 | 207 | aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR); |
michael@0 | 208 | return; |
michael@0 | 209 | } |
michael@0 | 210 | |
michael@0 | 211 | mReset = true; |
michael@0 | 212 | mPosition = aPosition; |
michael@0 | 213 | } |
michael@0 | 214 | |
michael@0 | 215 | AlignSetting PositionAlign() const |
michael@0 | 216 | { |
michael@0 | 217 | return mPositionAlign; |
michael@0 | 218 | } |
michael@0 | 219 | |
michael@0 | 220 | void SetPositionAlign(AlignSetting aPositionAlign, ErrorResult& aRv) |
michael@0 | 221 | { |
michael@0 | 222 | if (mPositionAlign == aPositionAlign) |
michael@0 | 223 | return; |
michael@0 | 224 | |
michael@0 | 225 | if (aPositionAlign == AlignSetting::Left || |
michael@0 | 226 | aPositionAlign == AlignSetting::Right) { |
michael@0 | 227 | return aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR); |
michael@0 | 228 | } |
michael@0 | 229 | |
michael@0 | 230 | mReset = true; |
michael@0 | 231 | mPositionAlign = aPositionAlign; |
michael@0 | 232 | } |
michael@0 | 233 | |
michael@0 | 234 | int32_t Size() const |
michael@0 | 235 | { |
michael@0 | 236 | return mSize; |
michael@0 | 237 | } |
michael@0 | 238 | |
michael@0 | 239 | void SetSize(int32_t aSize, ErrorResult& aRv) |
michael@0 | 240 | { |
michael@0 | 241 | if (mSize == aSize) { |
michael@0 | 242 | return; |
michael@0 | 243 | } |
michael@0 | 244 | |
michael@0 | 245 | if (aSize < 0 || aSize > 100) { |
michael@0 | 246 | aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR); |
michael@0 | 247 | return; |
michael@0 | 248 | } |
michael@0 | 249 | |
michael@0 | 250 | mReset = true; |
michael@0 | 251 | mSize = aSize; |
michael@0 | 252 | } |
michael@0 | 253 | |
michael@0 | 254 | AlignSetting Align() const |
michael@0 | 255 | { |
michael@0 | 256 | return mAlign; |
michael@0 | 257 | } |
michael@0 | 258 | |
michael@0 | 259 | void SetAlign(AlignSetting& aAlign) |
michael@0 | 260 | { |
michael@0 | 261 | if (mAlign == aAlign) { |
michael@0 | 262 | return; |
michael@0 | 263 | } |
michael@0 | 264 | |
michael@0 | 265 | mReset = true; |
michael@0 | 266 | mAlign = aAlign; |
michael@0 | 267 | } |
michael@0 | 268 | |
michael@0 | 269 | void GetText(nsAString& aText) const |
michael@0 | 270 | { |
michael@0 | 271 | aText = mText; |
michael@0 | 272 | } |
michael@0 | 273 | |
michael@0 | 274 | void SetText(const nsAString& aText) |
michael@0 | 275 | { |
michael@0 | 276 | if (mText == aText) { |
michael@0 | 277 | return; |
michael@0 | 278 | } |
michael@0 | 279 | |
michael@0 | 280 | mReset = true; |
michael@0 | 281 | mText = aText; |
michael@0 | 282 | } |
michael@0 | 283 | |
michael@0 | 284 | IMPL_EVENT_HANDLER(enter) |
michael@0 | 285 | IMPL_EVENT_HANDLER(exit) |
michael@0 | 286 | |
michael@0 | 287 | HTMLDivElement* GetDisplayState() |
michael@0 | 288 | { |
michael@0 | 289 | return static_cast<HTMLDivElement*>(mDisplayState.get()); |
michael@0 | 290 | } |
michael@0 | 291 | |
michael@0 | 292 | void SetDisplayState(HTMLDivElement* aDisplayState) |
michael@0 | 293 | { |
michael@0 | 294 | mDisplayState = aDisplayState; |
michael@0 | 295 | mReset = false; |
michael@0 | 296 | } |
michael@0 | 297 | |
michael@0 | 298 | void Reset() |
michael@0 | 299 | { |
michael@0 | 300 | mReset = true; |
michael@0 | 301 | } |
michael@0 | 302 | |
michael@0 | 303 | bool HasBeenReset() |
michael@0 | 304 | { |
michael@0 | 305 | return mReset; |
michael@0 | 306 | } |
michael@0 | 307 | |
michael@0 | 308 | // Helper functions for implementation. |
michael@0 | 309 | bool |
michael@0 | 310 | operator==(const TextTrackCue& rhs) const |
michael@0 | 311 | { |
michael@0 | 312 | return mId.Equals(rhs.mId); |
michael@0 | 313 | } |
michael@0 | 314 | |
michael@0 | 315 | const nsAString& Id() const |
michael@0 | 316 | { |
michael@0 | 317 | return mId; |
michael@0 | 318 | } |
michael@0 | 319 | |
michael@0 | 320 | void SetTrack(TextTrack* aTextTrack) |
michael@0 | 321 | { |
michael@0 | 322 | mTrack = aTextTrack; |
michael@0 | 323 | } |
michael@0 | 324 | |
michael@0 | 325 | /** |
michael@0 | 326 | * Produces a tree of anonymous content based on the tree of the processed |
michael@0 | 327 | * cue text. |
michael@0 | 328 | * |
michael@0 | 329 | * Returns a DocumentFragment that is the head of the tree of anonymous |
michael@0 | 330 | * content. |
michael@0 | 331 | */ |
michael@0 | 332 | already_AddRefed<DocumentFragment> GetCueAsHTML(); |
michael@0 | 333 | |
michael@0 | 334 | void SetTrackElement(HTMLTrackElement* aTrackElement); |
michael@0 | 335 | |
michael@0 | 336 | private: |
michael@0 | 337 | void SetDefaultCueSettings(); |
michael@0 | 338 | nsresult StashDocument(); |
michael@0 | 339 | |
michael@0 | 340 | nsRefPtr<nsIDocument> mDocument; |
michael@0 | 341 | nsString mText; |
michael@0 | 342 | double mStartTime; |
michael@0 | 343 | double mEndTime; |
michael@0 | 344 | |
michael@0 | 345 | nsRefPtr<TextTrack> mTrack; |
michael@0 | 346 | nsRefPtr<HTMLTrackElement> mTrackElement; |
michael@0 | 347 | nsString mId; |
michael@0 | 348 | int32_t mPosition; |
michael@0 | 349 | AlignSetting mPositionAlign; |
michael@0 | 350 | int32_t mSize; |
michael@0 | 351 | bool mPauseOnExit; |
michael@0 | 352 | bool mSnapToLines; |
michael@0 | 353 | nsRefPtr<TextTrackRegion> mRegion; |
michael@0 | 354 | DirectionSetting mVertical; |
michael@0 | 355 | bool mLineIsAutoKeyword; |
michael@0 | 356 | long mLineLong; |
michael@0 | 357 | AlignSetting mAlign; |
michael@0 | 358 | AlignSetting mLineAlign; |
michael@0 | 359 | |
michael@0 | 360 | // Holds the computed DOM elements that represent the parsed cue text. |
michael@0 | 361 | // http://www.whatwg.org/specs/web-apps/current-work/#text-track-cue-display-state |
michael@0 | 362 | nsRefPtr<nsGenericHTMLElement> mDisplayState; |
michael@0 | 363 | // Tells whether or not we need to recompute mDisplayState. This is set |
michael@0 | 364 | // anytime a property that relates to the display of the TextTrackCue is |
michael@0 | 365 | // changed. |
michael@0 | 366 | bool mReset; |
michael@0 | 367 | |
michael@0 | 368 | static StaticRefPtr<nsIWebVTTParserWrapper> sParserWrapper; |
michael@0 | 369 | }; |
michael@0 | 370 | |
michael@0 | 371 | } // namespace dom |
michael@0 | 372 | } // namespace mozilla |
michael@0 | 373 | |
michael@0 | 374 | #endif // mozilla_dom_TextTrackCue_h |