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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 Dirk Mueller (mueller@kde.org) | 4 * (C) 2001 Dirk Mueller (mueller@kde.org) |
5 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. | 5 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. |
6 * (C) 2006 Alexey Proskuryakov (ap@nypop.com) | 6 * (C) 2006 Alexey Proskuryakov (ap@nypop.com) |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
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478 if (!isTextControl()) | 478 if (!isTextControl()) |
479 return 0; | 479 return 0; |
480 if (document().focusedElement() != this) | 480 if (document().focusedElement() != this) |
481 return m_cachedSelectionStart; | 481 return m_cachedSelectionStart; |
482 | 482 |
483 return computeSelectionStart(); | 483 return computeSelectionStart(); |
484 } | 484 } |
485 | 485 |
486 unsigned TextControlElement::computeSelectionStart() const { | 486 unsigned TextControlElement::computeSelectionStart() const { |
487 DCHECK(isTextControl()); | 487 DCHECK(isTextControl()); |
488 if (LocalFrame* frame = document().frame()) | 488 LocalFrame* frame = document().frame(); |
489 return indexForPosition(innerEditorElement(), frame->selection().start()); | 489 if (!frame) |
490 return 0; | 490 return 0; |
| 491 { |
| 492 // To avoid regression on speedometer benchmark[1] test, we should not |
| 493 // update layout tree in this code block. |
| 494 // [1] http://browserbench.org/Speedometer/ |
| 495 DocumentLifecycle::DisallowTransitionScope disallowTransition( |
| 496 document().lifecycle()); |
| 497 const SelectionInDOMTree& selection = |
| 498 frame->selection().selectionInDOMTree(); |
| 499 if (selection.granularity() == CharacterGranularity) { |
| 500 return indexForPosition(innerEditorElement(), |
| 501 selection.computeStartPosition()); |
| 502 } |
| 503 } |
| 504 const VisibleSelection& visibleSelection = frame->selection().selection(); |
| 505 return indexForPosition(innerEditorElement(), visibleSelection.start()); |
491 } | 506 } |
492 | 507 |
493 unsigned TextControlElement::selectionEnd() const { | 508 unsigned TextControlElement::selectionEnd() const { |
494 if (!isTextControl()) | 509 if (!isTextControl()) |
495 return 0; | 510 return 0; |
496 if (document().focusedElement() != this) | 511 if (document().focusedElement() != this) |
497 return m_cachedSelectionEnd; | 512 return m_cachedSelectionEnd; |
498 return computeSelectionEnd(); | 513 return computeSelectionEnd(); |
499 } | 514 } |
500 | 515 |
501 unsigned TextControlElement::computeSelectionEnd() const { | 516 unsigned TextControlElement::computeSelectionEnd() const { |
502 DCHECK(isTextControl()); | 517 DCHECK(isTextControl()); |
503 if (LocalFrame* frame = document().frame()) | 518 LocalFrame* frame = document().frame(); |
504 return indexForPosition(innerEditorElement(), frame->selection().end()); | 519 if (!frame) |
505 return 0; | 520 return 0; |
| 521 { |
| 522 // To avoid regression on speedometer benchmark[1] test, we should not |
| 523 // update layout tree in this code block. |
| 524 // [1] http://browserbench.org/Speedometer/ |
| 525 DocumentLifecycle::DisallowTransitionScope disallowTransition( |
| 526 document().lifecycle()); |
| 527 const SelectionInDOMTree& selection = |
| 528 frame->selection().selectionInDOMTree(); |
| 529 if (selection.granularity() == CharacterGranularity) { |
| 530 return indexForPosition(innerEditorElement(), |
| 531 selection.computeEndPosition()); |
| 532 } |
| 533 } |
| 534 const VisibleSelection& visibleSelection = frame->selection().selection(); |
| 535 return indexForPosition(innerEditorElement(), visibleSelection.end()); |
506 } | 536 } |
507 | 537 |
508 static const AtomicString& directionString( | 538 static const AtomicString& directionString( |
509 TextFieldSelectionDirection direction) { | 539 TextFieldSelectionDirection direction) { |
510 DEFINE_STATIC_LOCAL(const AtomicString, none, ("none")); | 540 DEFINE_STATIC_LOCAL(const AtomicString, none, ("none")); |
511 DEFINE_STATIC_LOCAL(const AtomicString, forward, ("forward")); | 541 DEFINE_STATIC_LOCAL(const AtomicString, forward, ("forward")); |
512 DEFINE_STATIC_LOCAL(const AtomicString, backward, ("backward")); | 542 DEFINE_STATIC_LOCAL(const AtomicString, backward, ("backward")); |
513 | 543 |
514 switch (direction) { | 544 switch (direction) { |
515 case SelectionHasNoDirection: | 545 case SelectionHasNoDirection: |
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532 return directionString(computeSelectionDirection()); | 562 return directionString(computeSelectionDirection()); |
533 } | 563 } |
534 | 564 |
535 TextFieldSelectionDirection TextControlElement::computeSelectionDirection() | 565 TextFieldSelectionDirection TextControlElement::computeSelectionDirection() |
536 const { | 566 const { |
537 DCHECK(isTextControl()); | 567 DCHECK(isTextControl()); |
538 LocalFrame* frame = document().frame(); | 568 LocalFrame* frame = document().frame(); |
539 if (!frame) | 569 if (!frame) |
540 return SelectionHasNoDirection; | 570 return SelectionHasNoDirection; |
541 | 571 |
542 const VisibleSelection& selection = frame->selection().selection(); | 572 // To avoid regression on speedometer benchmark[1] test, we should not |
| 573 // update layout tree in this code block. |
| 574 // [1] http://browserbench.org/Speedometer/ |
| 575 DocumentLifecycle::DisallowTransitionScope disallowTransition( |
| 576 document().lifecycle()); |
| 577 const SelectionInDOMTree& selection = frame->selection().selectionInDOMTree(); |
| 578 const Position& start = selection.computeStartPosition(); |
543 return selection.isDirectional() | 579 return selection.isDirectional() |
544 ? (selection.isBaseFirst() ? SelectionHasForwardDirection | 580 ? (selection.base() == start ? SelectionHasForwardDirection |
545 : SelectionHasBackwardDirection) | 581 : SelectionHasBackwardDirection) |
546 : SelectionHasNoDirection; | 582 : SelectionHasNoDirection; |
547 } | 583 } |
548 | 584 |
549 static inline void setContainerAndOffsetForRange(Node* node, | 585 static inline void setContainerAndOffsetForRange(Node* node, |
550 int offset, | 586 int offset, |
551 Node*& containerNode, | 587 Node*& containerNode, |
552 int& offsetInContainer) { | 588 int& offsetInContainer) { |
553 if (node->isTextNode()) { | 589 if (node->isTextNode()) { |
554 containerNode = node; | 590 containerNode = node; |
555 offsetInContainer = offset; | 591 offsetInContainer = offset; |
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678 | 714 |
679 void TextControlElement::selectionChanged(bool userTriggered) { | 715 void TextControlElement::selectionChanged(bool userTriggered) { |
680 if (!layoutObject() || !isTextControl()) | 716 if (!layoutObject() || !isTextControl()) |
681 return; | 717 return; |
682 | 718 |
683 // selectionStart() or selectionEnd() will return cached selection when this | 719 // selectionStart() or selectionEnd() will return cached selection when this |
684 // node doesn't have focus. | 720 // node doesn't have focus. |
685 cacheSelection(computeSelectionStart(), computeSelectionEnd(), | 721 cacheSelection(computeSelectionStart(), computeSelectionEnd(), |
686 computeSelectionDirection()); | 722 computeSelectionDirection()); |
687 | 723 |
688 if (LocalFrame* frame = document().frame()) { | 724 LocalFrame* frame = document().frame(); |
689 if (frame->selection().isRange() && userTriggered) | 725 if (!frame || !userTriggered) |
690 dispatchEvent(Event::createBubble(EventTypeNames::select)); | 726 return; |
691 } | 727 const SelectionInDOMTree& selection = frame->selection().selectionInDOMTree(); |
| 728 if (selection.selectionTypeWithLegacyGranularity() != RangeSelection) |
| 729 return; |
| 730 dispatchEvent(Event::createBubble(EventTypeNames::select)); |
692 } | 731 } |
693 | 732 |
694 void TextControlElement::scheduleSelectEvent() { | 733 void TextControlElement::scheduleSelectEvent() { |
695 Event* event = Event::createBubble(EventTypeNames::select); | 734 Event* event = Event::createBubble(EventTypeNames::select); |
696 event->setTarget(this); | 735 event->setTarget(this); |
697 document().enqueueUniqueAnimationFrameEvent(event); | 736 document().enqueueUniqueAnimationFrameEvent(event); |
698 } | 737 } |
699 | 738 |
700 void TextControlElement::parseAttribute( | 739 void TextControlElement::parseAttribute( |
701 const AttributeModificationParams& params) { | 740 const AttributeModificationParams& params) { |
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897 | 936 |
898 void TextControlElement::copyNonAttributePropertiesFromElement( | 937 void TextControlElement::copyNonAttributePropertiesFromElement( |
899 const Element& source) { | 938 const Element& source) { |
900 const TextControlElement& sourceElement = | 939 const TextControlElement& sourceElement = |
901 static_cast<const TextControlElement&>(source); | 940 static_cast<const TextControlElement&>(source); |
902 m_lastChangeWasUserEdit = sourceElement.m_lastChangeWasUserEdit; | 941 m_lastChangeWasUserEdit = sourceElement.m_lastChangeWasUserEdit; |
903 HTMLFormControlElement::copyNonAttributePropertiesFromElement(source); | 942 HTMLFormControlElement::copyNonAttributePropertiesFromElement(source); |
904 } | 943 } |
905 | 944 |
906 } // namespace blink | 945 } // namespace blink |
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