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| 1 /* | 1 /* |
| 2 * Copyright (C) 2007, 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2007, 2009 Apple Inc. All rights reserved. |
| 3 * Copyright (C) 2012 Google Inc. All rights reserved. | 3 * Copyright (C) 2012 Google Inc. All rights reserved. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
| 7 * are met: | 7 * are met: |
| 8 * | 8 * |
| 9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
| 10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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| 393 return; | 393 return; |
| 394 | 394 |
| 395 FrameSelection* selection = m_frame->selection(); | 395 FrameSelection* selection = m_frame->selection(); |
| 396 | 396 |
| 397 if (selection->isNone()) { | 397 if (selection->isNone()) { |
| 398 selection->setSelection(VisibleSelection(r)); | 398 selection->setSelection(VisibleSelection(r)); |
| 399 return; | 399 return; |
| 400 } | 400 } |
| 401 | 401 |
| 402 RefPtr<Range> range = selection->selection().toNormalizedRange(); | 402 RefPtr<Range> range = selection->selection().toNormalizedRange(); |
| 403 if (r->compareBoundaryPoints(Range::START_TO_START, range.get(), IGNORE_EXCE
PTION_STATE) == -1) { | 403 if (r->compareBoundaryPoints(Range::START_TO_START, range.get(), IGNORE_EXCE
PTION) == -1) { |
| 404 // We don't support discontiguous selection. We don't do anything if r a
nd range don't intersect. | 404 // We don't support discontiguous selection. We don't do anything if r a
nd range don't intersect. |
| 405 if (r->compareBoundaryPoints(Range::START_TO_END, range.get(), IGNORE_EX
CEPTION_STATE) > -1) { | 405 if (r->compareBoundaryPoints(Range::START_TO_END, range.get(), IGNORE_EX
CEPTION) > -1) { |
| 406 if (r->compareBoundaryPoints(Range::END_TO_END, range.get(), IGNORE_
EXCEPTION_STATE) == -1) | 406 if (r->compareBoundaryPoints(Range::END_TO_END, range.get(), IGNORE_
EXCEPTION) == -1) |
| 407 // The original range and r intersect. | 407 // The original range and r intersect. |
| 408 selection->setSelection(VisibleSelection(r->startPosition(), ran
ge->endPosition(), DOWNSTREAM)); | 408 selection->setSelection(VisibleSelection(r->startPosition(), ran
ge->endPosition(), DOWNSTREAM)); |
| 409 else | 409 else |
| 410 // r contains the original range. | 410 // r contains the original range. |
| 411 selection->setSelection(VisibleSelection(r)); | 411 selection->setSelection(VisibleSelection(r)); |
| 412 } | 412 } |
| 413 } else { | 413 } else { |
| 414 // We don't support discontiguous selection. We don't do anything if r a
nd range don't intersect. | 414 // We don't support discontiguous selection. We don't do anything if r a
nd range don't intersect. |
| 415 TrackExceptionState es; | 415 TrackExceptionState es; |
| 416 if (r->compareBoundaryPoints(Range::END_TO_START, range.get(), es) < 1 &
& !es.hadException()) { | 416 if (r->compareBoundaryPoints(Range::END_TO_START, range.get(), es) < 1 &
& !es.hadException()) { |
| 417 if (r->compareBoundaryPoints(Range::END_TO_END, range.get(), IGNORE_
EXCEPTION_STATE) == -1) | 417 if (r->compareBoundaryPoints(Range::END_TO_END, range.get(), IGNORE_
EXCEPTION) == -1) |
| 418 // The original range contains r. | 418 // The original range contains r. |
| 419 selection->setSelection(VisibleSelection(range.get())); | 419 selection->setSelection(VisibleSelection(range.get())); |
| 420 else | 420 else |
| 421 // The original range and r intersect. | 421 // The original range and r intersect. |
| 422 selection->setSelection(VisibleSelection(range->startPosition(),
r->endPosition(), DOWNSTREAM)); | 422 selection->setSelection(VisibleSelection(range->startPosition(),
r->endPosition(), DOWNSTREAM)); |
| 423 } | 423 } |
| 424 } | 424 } |
| 425 } | 425 } |
| 426 | 426 |
| 427 void DOMSelection::deleteFromDocument() | 427 void DOMSelection::deleteFromDocument() |
| 428 { | 428 { |
| 429 if (!m_frame) | 429 if (!m_frame) |
| 430 return; | 430 return; |
| 431 | 431 |
| 432 FrameSelection* selection = m_frame->selection(); | 432 FrameSelection* selection = m_frame->selection(); |
| 433 | 433 |
| 434 if (selection->isNone()) | 434 if (selection->isNone()) |
| 435 return; | 435 return; |
| 436 | 436 |
| 437 if (isCollapsed()) | 437 if (isCollapsed()) |
| 438 selection->modify(FrameSelection::AlterationExtend, DirectionBackward, C
haracterGranularity); | 438 selection->modify(FrameSelection::AlterationExtend, DirectionBackward, C
haracterGranularity); |
| 439 | 439 |
| 440 RefPtr<Range> selectedRange = selection->selection().toNormalizedRange(); | 440 RefPtr<Range> selectedRange = selection->selection().toNormalizedRange(); |
| 441 if (!selectedRange) | 441 if (!selectedRange) |
| 442 return; | 442 return; |
| 443 | 443 |
| 444 selectedRange->deleteContents(ASSERT_NO_EXCEPTION_STATE); | 444 selectedRange->deleteContents(ASSERT_NO_EXCEPTION); |
| 445 | 445 |
| 446 setBaseAndExtent(selectedRange->startContainer(ASSERT_NO_EXCEPTION_STATE), s
electedRange->startOffset(), selectedRange->startContainer(), selectedRange->sta
rtOffset(), ASSERT_NO_EXCEPTION_STATE); | 446 setBaseAndExtent(selectedRange->startContainer(ASSERT_NO_EXCEPTION), selecte
dRange->startOffset(), selectedRange->startContainer(), selectedRange->startOffs
et(), ASSERT_NO_EXCEPTION); |
| 447 } | 447 } |
| 448 | 448 |
| 449 bool DOMSelection::containsNode(const Node* n, bool allowPartial) const | 449 bool DOMSelection::containsNode(const Node* n, bool allowPartial) const |
| 450 { | 450 { |
| 451 if (!m_frame) | 451 if (!m_frame) |
| 452 return false; | 452 return false; |
| 453 | 453 |
| 454 FrameSelection* selection = m_frame->selection(); | 454 FrameSelection* selection = m_frame->selection(); |
| 455 | 455 |
| 456 if (!n || m_frame->document() != n->document() || selection->isNone()) | 456 if (!n || m_frame->document() != n->document() || selection->isNone()) |
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| 532 | 532 |
| 533 bool DOMSelection::isValidForPosition(Node* node) const | 533 bool DOMSelection::isValidForPosition(Node* node) const |
| 534 { | 534 { |
| 535 ASSERT(m_frame); | 535 ASSERT(m_frame); |
| 536 if (!node) | 536 if (!node) |
| 537 return true; | 537 return true; |
| 538 return node->document() == m_frame->document(); | 538 return node->document() == m_frame->document(); |
| 539 } | 539 } |
| 540 | 540 |
| 541 } // namespace WebCore | 541 } // namespace WebCore |
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