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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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233 PlatformTouchPoint point; | 233 PlatformTouchPoint point; |
234 Member<EventTarget> touchTarget; | 234 Member<EventTarget> touchTarget; |
235 Member<LocalFrame> targetFrame; | 235 Member<LocalFrame> targetFrame; |
236 FloatPoint adjustedPagePoint; | 236 FloatPoint adjustedPagePoint; |
237 FloatSize adjustedRadius; | 237 FloatSize adjustedRadius; |
238 bool knownTarget; | 238 bool knownTarget; |
239 bool consumed; | 239 bool consumed; |
240 String region; | 240 String region; |
241 }; | 241 }; |
242 | 242 |
| 243 // TODO(bokan): This seems like it no longer belongs here. |
| 244 void handleOverscroll(const ScrollResult&, const FloatPoint& position = Floa
tPoint(), const FloatSize& velocity = FloatSize()); |
| 245 |
243 private: | 246 private: |
244 static DragState& dragState(); | 247 static DragState& dragState(); |
245 | 248 |
246 DataTransfer* createDraggingDataTransfer() const; | 249 DataTransfer* createDraggingDataTransfer() const; |
247 | 250 |
248 WebInputEventResult handleMouseMoveOrLeaveEvent(const PlatformMouseEvent&, H
itTestResult* hoveredNode = nullptr, bool onlyUpdateScrollbars = false, bool for
ceLeave = false); | 251 WebInputEventResult handleMouseMoveOrLeaveEvent(const PlatformMouseEvent&, H
itTestResult* hoveredNode = nullptr, bool onlyUpdateScrollbars = false, bool for
ceLeave = false); |
249 WebInputEventResult handleMousePressEvent(const MouseEventWithHitTestResults
&); | 252 WebInputEventResult handleMousePressEvent(const MouseEventWithHitTestResults
&); |
250 WebInputEventResult handleMouseFocus(const MouseEventWithHitTestResults&, In
putDeviceCapabilities* sourceCapabilities); | 253 WebInputEventResult handleMouseFocus(const MouseEventWithHitTestResults&, In
putDeviceCapabilities* sourceCapabilities); |
251 WebInputEventResult handleMouseDraggedEvent(const MouseEventWithHitTestResul
ts&); | 254 WebInputEventResult handleMouseDraggedEvent(const MouseEventWithHitTestResul
ts&); |
252 WebInputEventResult handleMouseReleaseEvent(const MouseEventWithHitTestResul
ts&); | 255 WebInputEventResult handleMouseReleaseEvent(const MouseEventWithHitTestResul
ts&); |
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277 void updateCursor(); | 280 void updateCursor(); |
278 | 281 |
279 ScrollableArea* associatedScrollableArea(const PaintLayer*) const; | 282 ScrollableArea* associatedScrollableArea(const PaintLayer*) const; |
280 | 283 |
281 // Performs a chaining scroll, within a *single* frame, starting from a | 284 // Performs a chaining scroll, within a *single* frame, starting from a |
282 // given node and optionally stopping on a given node. | 285 // given node and optionally stopping on a given node. |
283 // granularity - The units that the scroll delta parameter is in. | 286 // granularity - The units that the scroll delta parameter is in. |
284 // delta - The delta to scroll by, in the units of the granularity param | 287 // delta - The delta to scroll by, in the units of the granularity param |
285 // (e.g. pixels, lines, pages, etc.). These are in a physical | 288 // (e.g. pixels, lines, pages, etc.). These are in a physical |
286 // direction. i.e. Positive is down and right. | 289 // direction. i.e. Positive is down and right. |
| 290 // position - Where the scroll originated from (e.g. touch location). |
| 291 // velocity - The velocity of the scroll in the case of fling gestures. |
287 // startNode - The node to start the scroll chaining from. | 292 // startNode - The node to start the scroll chaining from. |
288 // stopNode - On input, if non-null, the node at which we should stop | 293 // stopNode - On input, if non-null, the node at which we should stop |
289 // chaining. On output, if provided and a node was scrolled, | 294 // chaining. On output, if provided and a node was scrolled, |
290 // stopNode will point to that node. | 295 // stopNode will point to that node. |
291 // consumed - [OUT] Whether the scroll was consumed. This is different than | 296 // consumed - [OUT] Whether the scroll was consumed. This is different than |
292 // ScrollResult.didScroll since we might not have scrolled but | 297 // ScrollResult.didScroll since we might not have scrolled but |
293 // have reached the stopNode and thus don't want to continue | 298 // have reached the stopNode and thus don't want to continue |
294 // chaining the scroll. | 299 // chaining the scroll. |
295 ScrollResult physicalScroll(ScrollGranularity, const FloatSize& delta, Node*
startNode, Node** stopNode, bool* consumed); | 300 ScrollResult physicalScroll( |
| 301 ScrollGranularity, |
| 302 const FloatSize& delta, |
| 303 const FloatPoint& position, |
| 304 const FloatSize& velocity, |
| 305 Node* startNode, |
| 306 Node** stopNode, |
| 307 bool* consumed); |
296 | 308 |
297 // Performs a chaining logical scroll, within a *single* frame, starting | 309 // Performs a chaining logical scroll, within a *single* frame, starting |
298 // from either a provided starting node or a default based on the focused or | 310 // from either a provided starting node or a default based on the focused or |
299 // most recently clicked node, falling back to the frame. | 311 // most recently clicked node, falling back to the frame. |
300 // Returns true if the scroll was consumed. | 312 // Returns true if the scroll was consumed. |
301 // direction - The logical direction to scroll in. This will be converted to | 313 // direction - The logical direction to scroll in. This will be converted to |
302 // a physical direction for each LayoutBox we try to scroll | 314 // a physical direction for each LayoutBox we try to scroll |
303 // based on that box's writing mode. | 315 // based on that box's writing mode. |
304 // granularity - The units that the scroll delta parameter is in. | 316 // granularity - The units that the scroll delta parameter is in. |
305 // startNode - Optional. If provided, start chaining from the given node. | 317 // startNode - Optional. If provided, start chaining from the given node. |
306 // If not, use the current focus or last clicked node. | 318 // If not, use the current focus or last clicked node. |
307 bool logicalScroll(ScrollDirection, ScrollGranularity, Node* startNode = nul
lptr); | 319 bool logicalScroll(ScrollDirection, ScrollGranularity, Node* startNode = nul
lptr); |
308 | 320 |
309 void resetOverscroll(bool didScrollX, bool didScrollY); | 321 void resetOverscroll(bool didScrollX, bool didScrollY); |
310 void handleOverscroll(const ScrollResult&, const FloatPoint& position = Floa
tPoint(), const FloatSize& velocity = FloatSize()); | |
311 | 322 |
| 323 ScrollResult scrollBox( |
| 324 LayoutBox*, |
| 325 ScrollGranularity, |
| 326 const FloatSize& delta, |
| 327 const FloatPoint& position, |
| 328 const FloatSize& velocity, |
| 329 bool* wasRootScroller); |
| 330 |
| 331 bool isRootScroller(const Node&) const; |
312 void customizedScroll(const Node& startNode, ScrollState&); | 332 void customizedScroll(const Node& startNode, ScrollState&); |
313 | 333 |
314 HitTestResult hitTestResultInFrame(LocalFrame*, const LayoutPoint&, HitTestR
equest::HitTestRequestType hitType = HitTestRequest::ReadOnly | HitTestRequest::
Active); | 334 HitTestResult hitTestResultInFrame(LocalFrame*, const LayoutPoint&, HitTestR
equest::HitTestRequestType hitType = HitTestRequest::ReadOnly | HitTestRequest::
Active); |
315 | 335 |
316 void invalidateClick(); | 336 void invalidateClick(); |
317 | 337 |
318 Node* updateMouseEventTargetNode(Node*, const PlatformMouseEvent&); | 338 Node* updateMouseEventTargetNode(Node*, const PlatformMouseEvent&); |
319 void updateMouseEventTargetNodeAndSendEvents(Node*, const PlatformMouseEvent
&, bool isFrameBoundaryTransition = false); | 339 void updateMouseEventTargetNodeAndSendEvents(Node*, const PlatformMouseEvent
&, bool isFrameBoundaryTransition = false); |
320 | 340 |
321 | 341 |
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488 // scroll which shouldn't propagate can't cause any element to | 508 // scroll which shouldn't propagate can't cause any element to |
489 // scroll other than the |m_previousGestureScrolledNode|. | 509 // scroll other than the |m_previousGestureScrolledNode|. |
490 bool m_deltaConsumedForScrollSequence; | 510 bool m_deltaConsumedForScrollSequence; |
491 }; | 511 }; |
492 | 512 |
493 } // namespace blink | 513 } // namespace blink |
494 | 514 |
495 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::EventHandler::TouchInfo); | 515 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::EventHandler::TouchInfo); |
496 | 516 |
497 #endif // EventHandler_h | 517 #endif // EventHandler_h |
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