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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2001 Peter Kelly (pmk@post.com) | 4 * (C) 2001 Peter Kelly (pmk@post.com) |
5 * (C) 2001 Dirk Mueller (mueller@kde.org) | 5 * (C) 2001 Dirk Mueller (mueller@kde.org) |
6 * (C) 2007 David Smith (catfish.man@gmail.com) | 6 * (C) 2007 David Smith (catfish.man@gmail.com) |
7 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. | 7 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. |
8 * All rights reserved. | 8 * All rights reserved. |
9 * (C) 2007 Eric Seidel (eric@webkit.org) | 9 * (C) 2007 Eric Seidel (eric@webkit.org) |
10 * | 10 * |
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23 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 23 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
24 * Boston, MA 02110-1301, USA. | 24 * Boston, MA 02110-1301, USA. |
25 */ | 25 */ |
26 | 26 |
27 #include "core/dom/Element.h" | 27 #include "core/dom/Element.h" |
28 | 28 |
29 #include <memory> | 29 #include <memory> |
30 #include "bindings/core/v8/Dictionary.h" | 30 #include "bindings/core/v8/Dictionary.h" |
31 #include "bindings/core/v8/ExceptionMessages.h" | 31 #include "bindings/core/v8/ExceptionMessages.h" |
32 #include "bindings/core/v8/ExceptionState.h" | 32 #include "bindings/core/v8/ExceptionState.h" |
33 #include "bindings/core/v8/ScrollIntoViewOptionsOrBoolean.h" | |
33 #include "bindings/core/v8/V8DOMActivityLogger.h" | 34 #include "bindings/core/v8/V8DOMActivityLogger.h" |
34 #include "core/CSSValueKeywords.h" | 35 #include "core/CSSValueKeywords.h" |
35 #include "core/SVGNames.h" | 36 #include "core/SVGNames.h" |
36 #include "core/XMLNames.h" | 37 #include "core/XMLNames.h" |
37 #include "core/animation/AnimationTimeline.h" | 38 #include "core/animation/AnimationTimeline.h" |
38 #include "core/animation/CustomCompositorAnimations.h" | 39 #include "core/animation/CustomCompositorAnimations.h" |
39 #include "core/animation/css/CSSAnimations.h" | 40 #include "core/animation/css/CSSAnimations.h" |
40 #include "core/css/CSSIdentifierValue.h" | 41 #include "core/css/CSSIdentifierValue.h" |
41 #include "core/css/CSSPrimitiveValue.h" | 42 #include "core/css/CSSPrimitiveValue.h" |
42 #include "core/css/CSSStyleSheet.h" | 43 #include "core/css/CSSStyleSheet.h" |
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87 #include "core/editing/EditingUtilities.h" | 88 #include "core/editing/EditingUtilities.h" |
88 #include "core/editing/FrameSelection.h" | 89 #include "core/editing/FrameSelection.h" |
89 #include "core/editing/iterators/TextIterator.h" | 90 #include "core/editing/iterators/TextIterator.h" |
90 #include "core/editing/serializers/Serialization.h" | 91 #include "core/editing/serializers/Serialization.h" |
91 #include "core/events/EventDispatcher.h" | 92 #include "core/events/EventDispatcher.h" |
92 #include "core/events/FocusEvent.h" | 93 #include "core/events/FocusEvent.h" |
93 #include "core/frame/FrameView.h" | 94 #include "core/frame/FrameView.h" |
94 #include "core/frame/HostsUsingFeatures.h" | 95 #include "core/frame/HostsUsingFeatures.h" |
95 #include "core/frame/LocalDOMWindow.h" | 96 #include "core/frame/LocalDOMWindow.h" |
96 #include "core/frame/LocalFrame.h" | 97 #include "core/frame/LocalFrame.h" |
98 #include "core/frame/ScrollIntoViewOptions.h" | |
97 #include "core/frame/ScrollToOptions.h" | 99 #include "core/frame/ScrollToOptions.h" |
98 #include "core/frame/Settings.h" | 100 #include "core/frame/Settings.h" |
99 #include "core/frame/UseCounter.h" | 101 #include "core/frame/UseCounter.h" |
100 #include "core/frame/VisualViewport.h" | 102 #include "core/frame/VisualViewport.h" |
101 #include "core/frame/csp/ContentSecurityPolicy.h" | 103 #include "core/frame/csp/ContentSecurityPolicy.h" |
102 #include "core/html/ClassList.h" | 104 #include "core/html/ClassList.h" |
103 #include "core/html/HTMLCanvasElement.h" | 105 #include "core/html/HTMLCanvasElement.h" |
104 #include "core/html/HTMLCollection.h" | 106 #include "core/html/HTMLCollection.h" |
105 #include "core/html/HTMLDocument.h" | 107 #include "core/html/HTMLDocument.h" |
106 #include "core/html/HTMLElement.h" | 108 #include "core/html/HTMLElement.h" |
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134 #include "core/svg/SVGElement.h" | 136 #include "core/svg/SVGElement.h" |
135 #include "core/svg/SVGTreeScopeResources.h" | 137 #include "core/svg/SVGTreeScopeResources.h" |
136 #include "platform/EventDispatchForbiddenScope.h" | 138 #include "platform/EventDispatchForbiddenScope.h" |
137 #include "platform/RuntimeEnabledFeatures.h" | 139 #include "platform/RuntimeEnabledFeatures.h" |
138 #include "platform/bindings/DOMDataStore.h" | 140 #include "platform/bindings/DOMDataStore.h" |
139 #include "platform/bindings/V8DOMWrapper.h" | 141 #include "platform/bindings/V8DOMWrapper.h" |
140 #include "platform/bindings/V8PerContextData.h" | 142 #include "platform/bindings/V8PerContextData.h" |
141 #include "platform/graphics/CompositorMutableProperties.h" | 143 #include "platform/graphics/CompositorMutableProperties.h" |
142 #include "platform/graphics/CompositorMutation.h" | 144 #include "platform/graphics/CompositorMutation.h" |
143 #include "platform/scroll/ScrollableArea.h" | 145 #include "platform/scroll/ScrollableArea.h" |
146 #include "platform/scroll/SmoothScrollSequencer.h" | |
144 #include "platform/wtf/BitVector.h" | 147 #include "platform/wtf/BitVector.h" |
145 #include "platform/wtf/HashFunctions.h" | 148 #include "platform/wtf/HashFunctions.h" |
146 #include "platform/wtf/text/CString.h" | 149 #include "platform/wtf/text/CString.h" |
147 #include "platform/wtf/text/StringBuilder.h" | 150 #include "platform/wtf/text/StringBuilder.h" |
148 #include "platform/wtf/text/TextPosition.h" | 151 #include "platform/wtf/text/TextPosition.h" |
149 | 152 |
150 namespace blink { | 153 namespace blink { |
151 | 154 |
152 namespace { | 155 namespace { |
153 | 156 |
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431 } | 434 } |
432 | 435 |
433 const AtomicString& Element::nonce() const { | 436 const AtomicString& Element::nonce() const { |
434 return HasRareData() ? GetElementRareData()->GetNonce() : g_empty_atom; | 437 return HasRareData() ? GetElementRareData()->GetNonce() : g_empty_atom; |
435 } | 438 } |
436 | 439 |
437 void Element::setNonce(const AtomicString& nonce) { | 440 void Element::setNonce(const AtomicString& nonce) { |
438 EnsureElementRareData().SetNonce(nonce); | 441 EnsureElementRareData().SetNonce(nonce); |
439 } | 442 } |
440 | 443 |
444 void Element::scrollIntoView(ScrollIntoViewOptionsOrBoolean arg) { | |
445 ScrollIntoViewOptions options; | |
446 if (arg.isBoolean()) { | |
447 if (arg.getAsBoolean()) | |
448 options.setBlock("start"); | |
449 else | |
450 options.setBlock("end"); | |
451 options.setInlinePosition("nearest"); | |
452 } else if (arg.isScrollIntoViewOptions()) { | |
453 options = arg.getAsScrollIntoViewOptions(); | |
454 if (!RuntimeEnabledFeatures::cssomSmoothScrollEnabled() && | |
455 options.behavior() == "smooth") { | |
456 options.setBehavior("instant"); | |
457 } | |
458 } | |
459 scrollIntoViewWithOptions(options); | |
460 } | |
461 | |
441 void Element::scrollIntoView(bool align_to_top) { | 462 void Element::scrollIntoView(bool align_to_top) { |
463 ScrollIntoViewOptionsOrBoolean arg; | |
464 arg.setBoolean(align_to_top); | |
465 scrollIntoView(arg); | |
466 } | |
467 | |
468 static ScrollAlignment ToPhysicalAlignment(const ScrollIntoViewOptions& options, | |
469 ScrollOrientation axis, | |
470 ScrollOrientation writing_mode) { | |
bokan
2017/05/19 18:37:14
While it kind of makes sense here, writing mode is
sunyunjia
2017/05/19 22:30:41
Done.
| |
471 String alignment = | |
472 (axis == writing_mode) ? options.inlinePosition() : options.block(); | |
473 | |
474 if (alignment == "center") | |
475 return ScrollAlignment::kAlignCenterAlways; | |
476 if (alignment == "nearest") | |
477 return ScrollAlignment::kAlignToEdgeIfNeeded; | |
478 if (alignment == "start") { | |
479 return (axis == kHorizontalScroll) ? ScrollAlignment::kAlignLeftAlways | |
480 : ScrollAlignment::kAlignTopAlways; | |
481 } | |
482 if (alignment == "end") { | |
483 return (axis == kHorizontalScroll) ? ScrollAlignment::kAlignRightAlways | |
484 : ScrollAlignment::kAlignBottomAlways; | |
485 } | |
486 | |
487 // Default values | |
488 if (writing_mode == kHorizontalScroll) { | |
489 return (axis == kHorizontalScroll) ? ScrollAlignment::kAlignToEdgeIfNeeded | |
490 : ScrollAlignment::kAlignTopAlways; | |
491 } | |
492 return (axis == kHorizontalScroll) ? ScrollAlignment::kAlignLeftAlways | |
493 : ScrollAlignment::kAlignToEdgeIfNeeded; | |
494 } | |
495 | |
496 void Element::scrollIntoViewWithOptions(const ScrollIntoViewOptions& options) { | |
442 GetDocument().EnsurePaintLocationDataValidForNode(this); | 497 GetDocument().EnsurePaintLocationDataValidForNode(this); |
443 | 498 |
444 if (!GetLayoutObject()) | 499 if (!GetLayoutObject() || !GetDocument().GetPage()) |
445 return; | 500 return; |
446 | 501 |
447 bool make_visible_in_visual_viewport = | 502 bool make_visible_in_visual_viewport = |
448 !GetDocument().GetPage()->GetSettings().GetInertVisualViewport(); | 503 !GetDocument().GetPage()->GetSettings().GetInertVisualViewport(); |
449 | 504 |
505 ScrollBehavior behavior = (options.behavior() == "smooth") | |
506 ? kScrollBehaviorSmooth | |
507 : kScrollBehaviorAuto; | |
508 | |
509 ScrollOrientation orientation = GetComputedStyle()->IsHorizontalWritingMode() | |
510 ? kHorizontalScroll | |
511 : kVerticalScroll; | |
512 ScrollAlignment align_x = | |
513 ToPhysicalAlignment(options, kHorizontalScroll, orientation); | |
514 ScrollAlignment align_y = | |
515 ToPhysicalAlignment(options, kVerticalScroll, orientation); | |
516 | |
517 GetDocument().GetPage()->GetSmoothScrollSequencer()->AbortAnimations(); | |
450 LayoutRect bounds = BoundingBox(); | 518 LayoutRect bounds = BoundingBox(); |
451 // Align to the top / bottom and to the closest edge. | 519 GetLayoutObject()->ScrollRectToVisible( |
452 if (align_to_top) | 520 bounds, align_x, align_y, kProgrammaticScroll, |
453 GetLayoutObject()->ScrollRectToVisible( | 521 make_visible_in_visual_viewport, behavior); |
454 bounds, ScrollAlignment::kAlignToEdgeIfNeeded, | 522 |
455 ScrollAlignment::kAlignTopAlways, kProgrammaticScroll, | 523 GetDocument().GetPage()->GetSmoothScrollSequencer()->RunQueuedAnimations(); |
456 make_visible_in_visual_viewport); | |
457 else | |
458 GetLayoutObject()->ScrollRectToVisible( | |
459 bounds, ScrollAlignment::kAlignToEdgeIfNeeded, | |
460 ScrollAlignment::kAlignBottomAlways, kProgrammaticScroll, | |
461 make_visible_in_visual_viewport); | |
462 | 524 |
463 GetDocument().SetSequentialFocusNavigationStartingPoint(this); | 525 GetDocument().SetSequentialFocusNavigationStartingPoint(this); |
464 } | 526 } |
465 | 527 |
466 void Element::scrollIntoViewIfNeeded(bool center_if_needed) { | 528 void Element::scrollIntoViewIfNeeded(bool center_if_needed) { |
467 GetDocument().EnsurePaintLocationDataValidForNode(this); | 529 GetDocument().EnsurePaintLocationDataValidForNode(this); |
468 | 530 |
469 if (!GetLayoutObject()) | 531 if (!GetLayoutObject()) |
470 return; | 532 return; |
471 | 533 |
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4348 } | 4410 } |
4349 | 4411 |
4350 DEFINE_TRACE_WRAPPERS(Element) { | 4412 DEFINE_TRACE_WRAPPERS(Element) { |
4351 if (HasRareData()) { | 4413 if (HasRareData()) { |
4352 visitor->TraceWrappers(GetElementRareData()); | 4414 visitor->TraceWrappers(GetElementRareData()); |
4353 } | 4415 } |
4354 ContainerNode::TraceWrappers(visitor); | 4416 ContainerNode::TraceWrappers(visitor); |
4355 } | 4417 } |
4356 | 4418 |
4357 } // namespace blink | 4419 } // namespace blink |
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