| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * (C) 2001 Dirk Mueller (mueller@kde.org) |
| * (C) 2006 Alexey Proskuryakov (ap@webkit.org) |
| * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. |
| * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) |
| * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "config.h" |
| #include "DocumentMarkerController.h" |
| |
| #include "Chrome.h" |
| #include "ChromeClient.h" |
| #include "Frame.h" |
| #include "NodeTraversal.h" |
| #include "Page.h" |
| #include "Range.h" |
| #include "RenderBlockFlow.h" |
| #include "RenderLayer.h" |
| #include "RenderText.h" |
| #include "RenderedDocumentMarker.h" |
| #include "TextIterator.h" |
| #include <stdio.h> |
| |
| namespace WebCore { |
| |
| inline bool DocumentMarkerController::possiblyHasMarkers(OptionSet<DocumentMarker::MarkerType> types) |
| { |
| return m_possiblyExistingMarkerTypes.containsAny(types); |
| } |
| |
| DocumentMarkerController::DocumentMarkerController(Document& document) |
| : m_document(document) |
| { |
| } |
| |
| DocumentMarkerController::~DocumentMarkerController() = default; |
| |
| void DocumentMarkerController::detach() |
| { |
| m_markers.clear(); |
| m_possiblyExistingMarkerTypes = { }; |
| } |
| |
| Vector<RefPtr<Range>> DocumentMarkerController::collectTextRanges(const Range& range) |
| { |
| Vector<RefPtr<Range>> textRange; |
| for (TextIterator textIterator(range); !textIterator.atEnd(); textIterator.advance()) |
| textRange.append(createLiveRange(textIterator.range())); |
| return textRange; |
| } |
| |
| void DocumentMarkerController::addMarker(Range& range, DocumentMarker::MarkerType type, const String& description) |
| { |
| for (auto textPiece : collectTextRanges(range)) |
| addMarker(textPiece->startContainer(), DocumentMarker(type, textPiece->startOffset(), textPiece->endOffset(), description)); |
| } |
| |
| void DocumentMarkerController::addMarker(Range& range, DocumentMarker::MarkerType type) |
| { |
| for (auto textPiece : collectTextRanges(range)) |
| addMarker(textPiece->startContainer(), DocumentMarker(type, textPiece->startOffset(), textPiece->endOffset())); |
| } |
| |
| void DocumentMarkerController::addMarkerToNode(Node& node, unsigned startOffset, unsigned length, DocumentMarker::MarkerType type) |
| { |
| addMarker(node, DocumentMarker(type, startOffset, startOffset + length)); |
| } |
| |
| void DocumentMarkerController::addMarkerToNode(Node& node, unsigned startOffset, unsigned length, DocumentMarker::MarkerType type, DocumentMarker::Data&& data) |
| { |
| addMarker(node, DocumentMarker(type, startOffset, startOffset + length, WTFMove(data))); |
| } |
| |
| void DocumentMarkerController::addTextMatchMarker(const Range& range, bool activeMatch) |
| { |
| for (auto textPiece : collectTextRanges(range)) { |
| unsigned startOffset = textPiece->startOffset(); |
| unsigned endOffset = textPiece->endOffset(); |
| addMarker(textPiece->startContainer(), DocumentMarker(startOffset, endOffset, activeMatch)); |
| } |
| } |
| |
| #if PLATFORM(IOS_FAMILY) |
| |
| void DocumentMarkerController::addMarker(Range& range, DocumentMarker::MarkerType type, const String& description, const Vector<String>& interpretations, const RetainPtr<id>& metadata) |
| { |
| for (auto textPiece : collectTextRanges(range)) |
| addMarker(textPiece->startContainer(), DocumentMarker(type, textPiece->startOffset(), textPiece->endOffset(), description, interpretations, metadata)); |
| } |
| |
| void DocumentMarkerController::addDictationPhraseWithAlternativesMarker(Range& range, const Vector<String>& interpretations) |
| { |
| ASSERT(interpretations.size() > 1); |
| if (interpretations.size() <= 1) |
| return; |
| |
| size_t numberOfAlternatives = interpretations.size() - 1; |
| for (auto textPiece : collectTextRanges(range)) { |
| DocumentMarker marker(DocumentMarker::DictationPhraseWithAlternatives, textPiece->startOffset(), textPiece->endOffset(), emptyString(), Vector<String>(numberOfAlternatives), RetainPtr<id>()); |
| for (size_t i = 0; i < numberOfAlternatives; ++i) |
| marker.setAlternative(interpretations[i + 1], i); |
| addMarker(textPiece->startContainer(), marker); |
| } |
| } |
| |
| void DocumentMarkerController::addDictationResultMarker(Range& range, const RetainPtr<id>& metadata) |
| { |
| for (auto textPiece : collectTextRanges(range)) |
| addMarker(textPiece->startContainer(), DocumentMarker(DocumentMarker::DictationResult, textPiece->startOffset(), textPiece->endOffset(), String(), Vector<String>(), metadata)); |
| } |
| |
| #endif |
| |
| void DocumentMarkerController::addDraggedContentMarker(Range& range) |
| { |
| for (auto textPiece : collectTextRanges(range)) { |
| DocumentMarker::DraggedContentData draggedContentData { textPiece->firstNode() }; |
| addMarker(textPiece->startContainer(), { DocumentMarker::DraggedContent, textPiece->startOffset(), textPiece->endOffset(), WTFMove(draggedContentData) }); |
| } |
| } |
| |
| #if ENABLE(PLATFORM_DRIVEN_TEXT_CHECKING) |
| void DocumentMarkerController::addPlatformTextCheckingMarker(Range& range, const String& key, const String& value) |
| { |
| for (auto textPiece : collectTextRanges(range)) { |
| DocumentMarker::PlatformTextCheckingData textCheckingData { key, value }; |
| addMarker(textPiece->startContainer(), { DocumentMarker::PlatformTextChecking, textPiece->startOffset(), textPiece->endOffset(), WTFMove(textCheckingData) }); |
| } |
| } |
| #endif |
| |
| void DocumentMarkerController::removeMarkers(Range& range, OptionSet<DocumentMarker::MarkerType> markerTypes, RemovePartiallyOverlappingMarkerOrNot shouldRemovePartiallyOverlappingMarker) |
| { |
| for (auto textPiece : collectTextRanges(range)) { |
| if (!possiblyHasMarkers(markerTypes)) |
| return; |
| ASSERT(!m_markers.isEmpty()); |
| unsigned startOffset = textPiece->startOffset(); |
| unsigned endOffset = textPiece->endOffset(); |
| removeMarkers(textPiece->startContainer(), startOffset, endOffset - startOffset, markerTypes, nullptr, shouldRemovePartiallyOverlappingMarker); |
| } |
| } |
| |
| void DocumentMarkerController::filterMarkers(Range& range, std::function<bool(DocumentMarker*)> filterFunction, OptionSet<DocumentMarker::MarkerType> markerTypes, RemovePartiallyOverlappingMarkerOrNot shouldRemovePartiallyOverlappingMarker) |
| { |
| for (auto textPiece : collectTextRanges(range)) { |
| if (!possiblyHasMarkers(markerTypes)) |
| return; |
| ASSERT(!m_markers.isEmpty()); |
| |
| unsigned startOffset = textPiece->startOffset(); |
| unsigned endOffset = textPiece->endOffset(); |
| removeMarkers(textPiece->startContainer(), startOffset, endOffset - startOffset, markerTypes, filterFunction, shouldRemovePartiallyOverlappingMarker); |
| } |
| } |
| |
| static void updateRenderedRectsForMarker(RenderedDocumentMarker& marker, Node& node) |
| { |
| ASSERT(!node.document().view() || !node.document().view()->needsLayout()); |
| |
| // FIXME: We should refactor this so that we don't use Range (because we only have one Node), but still share code with absoluteTextQuads(). |
| auto markerRange = Range::create(node.document(), &node, marker.startOffset(), &node, marker.endOffset()); |
| Vector<FloatQuad> absoluteMarkerQuads; |
| markerRange->absoluteTextQuads(absoluteMarkerQuads, true); |
| |
| Vector<FloatRect> absoluteMarkerRects; |
| absoluteMarkerRects.reserveInitialCapacity(absoluteMarkerQuads.size()); |
| for (const auto& quad : absoluteMarkerQuads) |
| absoluteMarkerRects.uncheckedAppend(quad.boundingBox()); |
| |
| marker.setUnclippedAbsoluteRects(absoluteMarkerRects); |
| } |
| |
| void DocumentMarkerController::invalidateRectsForAllMarkers() |
| { |
| if (!hasMarkers()) |
| return; |
| |
| for (auto& markers : m_markers.values()) { |
| for (auto& marker : *markers) |
| marker.invalidate(); |
| } |
| |
| if (Page* page = m_document.page()) |
| page->chrome().client().didInvalidateDocumentMarkerRects(); |
| } |
| |
| void DocumentMarkerController::invalidateRectsForMarkersInNode(Node& node) |
| { |
| if (!hasMarkers()) |
| return; |
| |
| MarkerList* markers = m_markers.get(&node); |
| ASSERT(markers); |
| |
| for (auto& marker : *markers) |
| marker.invalidate(); |
| |
| if (Page* page = m_document.page()) |
| page->chrome().client().didInvalidateDocumentMarkerRects(); |
| } |
| |
| static void updateMainFrameLayoutIfNeeded(Document& document) |
| { |
| Frame* frame = document.frame(); |
| if (!frame) |
| return; |
| |
| FrameView* mainFrameView = frame->mainFrame().view(); |
| if (!mainFrameView) |
| return; |
| |
| mainFrameView->updateLayoutAndStyleIfNeededRecursive(); |
| } |
| |
| void DocumentMarkerController::updateRectsForInvalidatedMarkersOfType(DocumentMarker::MarkerType markerType) |
| { |
| if (!possiblyHasMarkers(markerType)) |
| return; |
| ASSERT(!(m_markers.isEmpty())); |
| |
| bool needsLayoutIfAnyRectsAreDirty = true; |
| |
| for (auto& nodeAndMarkers : m_markers) { |
| Node& node = *nodeAndMarkers.key; |
| for (auto& marker : *nodeAndMarkers.value) { |
| if (marker.type() != markerType) |
| continue; |
| |
| if (marker.isValid()) |
| continue; |
| |
| // We'll do up to one layout per call if we have any dirty markers. |
| if (needsLayoutIfAnyRectsAreDirty) { |
| updateMainFrameLayoutIfNeeded(m_document); |
| needsLayoutIfAnyRectsAreDirty = false; |
| } |
| |
| updateRenderedRectsForMarker(marker, node); |
| } |
| } |
| } |
| |
| Vector<FloatRect> DocumentMarkerController::renderedRectsForMarkers(DocumentMarker::MarkerType markerType) |
| { |
| Vector<FloatRect> result; |
| |
| if (!possiblyHasMarkers(markerType)) |
| return result; |
| ASSERT(!(m_markers.isEmpty())); |
| |
| RefPtr<Frame> frame = m_document.frame(); |
| if (!frame) |
| return result; |
| FrameView* frameView = frame->view(); |
| if (!frameView) |
| return result; |
| |
| updateRectsForInvalidatedMarkersOfType(markerType); |
| |
| bool isSubframe = !frame->isMainFrame(); |
| IntRect subframeClipRect; |
| if (isSubframe) |
| subframeClipRect = frameView->windowToContents(frameView->windowClipRect()); |
| |
| for (auto& nodeAndMarkers : m_markers) { |
| Node& node = *nodeAndMarkers.key; |
| FloatRect overflowClipRect; |
| if (RenderObject* renderer = node.renderer()) |
| overflowClipRect = renderer->absoluteClippedOverflowRect(); |
| for (auto& marker : *nodeAndMarkers.value) { |
| if (marker.type() != markerType) |
| continue; |
| |
| auto renderedRects = marker.unclippedAbsoluteRects(); |
| |
| // Clip document markers by their overflow clip. |
| if (node.renderer()) { |
| for (auto& rect : renderedRects) |
| rect.intersect(overflowClipRect); |
| } |
| |
| // Clip subframe document markers by their frame. |
| if (isSubframe) { |
| for (auto& rect : renderedRects) |
| rect.intersect(subframeClipRect); |
| } |
| |
| for (const auto& rect : renderedRects) { |
| if (!rect.isEmpty()) |
| result.append(rect); |
| } |
| } |
| } |
| |
| return result; |
| } |
| |
| static bool shouldInsertAsSeparateMarker(const DocumentMarker& newMarker) |
| { |
| #if ENABLE(PLATFORM_DRIVEN_TEXT_CHECKING) |
| if (newMarker.type() == DocumentMarker::PlatformTextChecking) |
| return true; |
| #endif |
| |
| #if PLATFORM(IOS_FAMILY) |
| if (newMarker.type() == DocumentMarker::DictationPhraseWithAlternatives || newMarker.type() == DocumentMarker::DictationResult) |
| return true; |
| #endif |
| if (newMarker.type() == DocumentMarker::DraggedContent) { |
| if (auto targetNode = WTF::get<DocumentMarker::DraggedContentData>(newMarker.data()).targetNode) |
| return targetNode->renderer() && targetNode->renderer()->isRenderReplaced(); |
| } |
| |
| return false; |
| } |
| |
| // Markers are stored in order sorted by their start offset. |
| // Markers of the same type do not overlap each other. |
| |
| void DocumentMarkerController::addMarker(Node& node, const DocumentMarker& newMarker) |
| { |
| ASSERT(newMarker.endOffset() >= newMarker.startOffset()); |
| if (newMarker.endOffset() == newMarker.startOffset()) |
| return; |
| |
| if (auto* renderer = node.renderer()) { |
| // FIXME: Factor the marker painting code out of InlineTextBox and teach simple line layout to use it. |
| if (is<RenderText>(*renderer)) |
| downcast<RenderText>(*renderer).ensureLineBoxes(); |
| else if (is<RenderBlockFlow>(*renderer)) |
| downcast<RenderBlockFlow>(*renderer).ensureLineBoxes(); |
| } |
| |
| m_possiblyExistingMarkerTypes.add(newMarker.type()); |
| |
| std::unique_ptr<MarkerList>& list = m_markers.add(&node, nullptr).iterator->value; |
| |
| if (!list) { |
| list = makeUnique<MarkerList>(); |
| list->append(RenderedDocumentMarker(newMarker)); |
| } else if (shouldInsertAsSeparateMarker(newMarker)) { |
| // We don't merge dictation markers. |
| size_t i; |
| size_t numberOfMarkers = list->size(); |
| for (i = 0; i < numberOfMarkers; ++i) { |
| DocumentMarker marker = list->at(i); |
| if (marker.startOffset() > newMarker.startOffset()) |
| break; |
| } |
| list->insert(i, RenderedDocumentMarker(newMarker)); |
| } else { |
| RenderedDocumentMarker toInsert(newMarker); |
| size_t numMarkers = list->size(); |
| size_t i; |
| // Iterate over all markers whose start offset is less than or equal to the new marker's. |
| // If one of them is of the same type as the new marker and touches it or intersects with it |
| // (there is at most one), remove it and adjust the new marker's start offset to encompass it. |
| for (i = 0; i < numMarkers; ++i) { |
| DocumentMarker marker = list->at(i); |
| if (marker.startOffset() > toInsert.startOffset()) |
| break; |
| if (marker.type() == toInsert.type() && marker.endOffset() >= toInsert.startOffset()) { |
| toInsert.setStartOffset(marker.startOffset()); |
| list->remove(i); |
| numMarkers--; |
| break; |
| } |
| } |
| size_t j = i; |
| // Iterate over all markers whose end offset is less than or equal to the new marker's, |
| // removing markers of the same type as the new marker which touch it or intersect with it, |
| // adjusting the new marker's end offset to cover them if necessary. |
| while (j < numMarkers) { |
| DocumentMarker marker = list->at(j); |
| if (marker.startOffset() > toInsert.endOffset()) |
| break; |
| if (marker.type() == toInsert.type()) { |
| list->remove(j); |
| if (toInsert.endOffset() <= marker.endOffset()) { |
| toInsert.setEndOffset(marker.endOffset()); |
| break; |
| } |
| numMarkers--; |
| } else |
| j++; |
| } |
| // At this point i points to the node before which we want to insert. |
| list->insert(i, RenderedDocumentMarker(toInsert)); |
| } |
| |
| if (node.renderer()) |
| node.renderer()->repaint(); |
| |
| invalidateRectsForMarkersInNode(node); |
| } |
| |
| // copies markers from srcNode to dstNode, applying the specified shift delta to the copies. The shift is |
| // useful if, e.g., the caller has created the dstNode from a non-prefix substring of the srcNode. |
| void DocumentMarkerController::copyMarkers(Node& srcNode, unsigned startOffset, int length, Node& dstNode, int delta) |
| { |
| if (length <= 0) |
| return; |
| |
| if (!possiblyHasMarkers(DocumentMarker::allMarkers())) |
| return; |
| ASSERT(!m_markers.isEmpty()); |
| |
| MarkerList* list = m_markers.get(&srcNode); |
| if (!list) |
| return; |
| |
| bool docDirty = false; |
| unsigned endOffset = startOffset + length - 1; |
| for (auto& marker : *list) { |
| // stop if we are now past the specified range |
| if (marker.startOffset() > endOffset) |
| break; |
| |
| // skip marker that is before the specified range or is the wrong type |
| if (marker.endOffset() < startOffset) |
| continue; |
| |
| // pin the marker to the specified range and apply the shift delta |
| docDirty = true; |
| if (marker.startOffset() < startOffset) |
| marker.setStartOffset(startOffset); |
| if (marker.endOffset() > endOffset) |
| marker.setEndOffset(endOffset); |
| marker.shiftOffsets(delta); |
| |
| addMarker(dstNode, marker); |
| } |
| |
| if (docDirty && dstNode.renderer()) |
| dstNode.renderer()->repaint(); |
| } |
| |
| void DocumentMarkerController::removeMarkers(Node& node, unsigned startOffset, int length, OptionSet<DocumentMarker::MarkerType> markerTypes, std::function<bool(DocumentMarker*)> filterFunction, RemovePartiallyOverlappingMarkerOrNot shouldRemovePartiallyOverlappingMarker) |
| { |
| if (length <= 0) |
| return; |
| |
| if (!possiblyHasMarkers(markerTypes)) |
| return; |
| ASSERT(!(m_markers.isEmpty())); |
| |
| MarkerList* list = m_markers.get(&node); |
| if (!list) |
| return; |
| |
| bool docDirty = false; |
| unsigned endOffset = startOffset + length; |
| for (size_t i = 0; i < list->size();) { |
| DocumentMarker marker = list->at(i); |
| |
| // markers are returned in order, so stop if we are now past the specified range |
| if (marker.startOffset() >= endOffset) |
| break; |
| |
| // skip marker that is wrong type or before target |
| if (marker.endOffset() <= startOffset || !markerTypes.contains(marker.type())) { |
| i++; |
| continue; |
| } |
| |
| if (filterFunction && !filterFunction(&marker)) { |
| i++; |
| continue; |
| } |
| |
| // at this point we know that marker and target intersect in some way |
| docDirty = true; |
| |
| // pitch the old marker |
| list->remove(i); |
| |
| if (shouldRemovePartiallyOverlappingMarker) |
| // Stop here. Don't add resulting slices back. |
| continue; |
| |
| // add either of the resulting slices that are left after removing target |
| if (startOffset > marker.startOffset()) { |
| DocumentMarker newLeft = marker; |
| newLeft.setEndOffset(startOffset); |
| list->insert(i, RenderedDocumentMarker(newLeft)); |
| // i now points to the newly-inserted node, but we want to skip that one |
| i++; |
| } |
| if (marker.endOffset() > endOffset) { |
| DocumentMarker newRight = marker; |
| newRight.setStartOffset(endOffset); |
| list->insert(i, RenderedDocumentMarker(newRight)); |
| // i now points to the newly-inserted node, but we want to skip that one |
| i++; |
| } |
| } |
| |
| if (list->isEmpty()) { |
| m_markers.remove(&node); |
| if (m_markers.isEmpty()) |
| m_possiblyExistingMarkerTypes = { }; |
| } |
| |
| if (docDirty && node.renderer()) |
| node.renderer()->repaint(); |
| } |
| |
| DocumentMarker* DocumentMarkerController::markerContainingPoint(const LayoutPoint& point, DocumentMarker::MarkerType markerType) |
| { |
| if (!possiblyHasMarkers(markerType)) |
| return nullptr; |
| ASSERT(!(m_markers.isEmpty())); |
| |
| updateRectsForInvalidatedMarkersOfType(markerType); |
| |
| for (auto& nodeAndMarkers : m_markers) { |
| for (auto& marker : *nodeAndMarkers.value) { |
| if (marker.type() != markerType) |
| continue; |
| |
| if (marker.contains(point)) |
| return ▮ |
| } |
| } |
| |
| return nullptr; |
| } |
| |
| Vector<RenderedDocumentMarker*> DocumentMarkerController::markersFor(Node& node, OptionSet<DocumentMarker::MarkerType> markerTypes) |
| { |
| if (!possiblyHasMarkers(markerTypes)) |
| return { }; |
| |
| Vector<RenderedDocumentMarker*> result; |
| MarkerList* list = m_markers.get(&node); |
| if (!list) |
| return result; |
| |
| for (auto& marker : *list) { |
| if (markerTypes.contains(marker.type())) |
| result.append(&marker); |
| } |
| |
| return result; |
| } |
| |
| Vector<RenderedDocumentMarker*> DocumentMarkerController::markersInRange(Range& range, OptionSet<DocumentMarker::MarkerType> markerTypes) |
| { |
| if (!possiblyHasMarkers(markerTypes)) |
| return Vector<RenderedDocumentMarker*>(); |
| |
| Vector<RenderedDocumentMarker*> foundMarkers; |
| |
| Node& startContainer = range.startContainer(); |
| Node& endContainer = range.endContainer(); |
| |
| Node* pastLastNode = range.pastLastNode(); |
| for (Node* node = range.firstNode(); node != pastLastNode; node = NodeTraversal::next(*node)) { |
| ASSERT(node); |
| for (auto* marker : markersFor(*node)) { |
| if (!markerTypes.contains(marker->type())) |
| continue; |
| if (node == &startContainer && marker->endOffset() <= range.startOffset()) |
| continue; |
| if (node == &endContainer && marker->startOffset() >= range.endOffset()) |
| continue; |
| foundMarkers.append(marker); |
| } |
| } |
| return foundMarkers; |
| } |
| |
| void DocumentMarkerController::removeMarkers(Node& node, OptionSet<DocumentMarker::MarkerType> markerTypes) |
| { |
| if (!possiblyHasMarkers(markerTypes)) |
| return; |
| ASSERT(!m_markers.isEmpty()); |
| |
| auto iterator = m_markers.find(&node); |
| if (iterator != m_markers.end()) |
| removeMarkersFromList(iterator, markerTypes); |
| } |
| |
| void DocumentMarkerController::removeMarkers(OptionSet<DocumentMarker::MarkerType> markerTypes) |
| { |
| if (!possiblyHasMarkers(markerTypes)) |
| return; |
| ASSERT(!m_markers.isEmpty()); |
| |
| for (auto& node : copyToVector(m_markers.keys())) { |
| auto iterator = m_markers.find(node); |
| if (iterator != m_markers.end()) |
| removeMarkersFromList(iterator, markerTypes); |
| } |
| |
| m_possiblyExistingMarkerTypes.remove(markerTypes); |
| } |
| |
| void DocumentMarkerController::removeMarkersFromList(MarkerMap::iterator iterator, OptionSet<DocumentMarker::MarkerType> markerTypes) |
| { |
| bool needsRepainting = false; |
| bool listCanBeRemoved; |
| |
| if (markerTypes == DocumentMarker::allMarkers()) { |
| needsRepainting = true; |
| listCanBeRemoved = true; |
| } else { |
| MarkerList* list = iterator->value.get(); |
| |
| for (size_t i = 0; i != list->size(); ) { |
| DocumentMarker marker = list->at(i); |
| |
| // skip nodes that are not of the specified type |
| if (!markerTypes.contains(marker.type())) { |
| ++i; |
| continue; |
| } |
| |
| // pitch the old marker |
| list->remove(i); |
| needsRepainting = true; |
| // i now is the index of the next marker |
| } |
| |
| listCanBeRemoved = list->isEmpty(); |
| } |
| |
| if (needsRepainting) { |
| if (auto renderer = iterator->key->renderer()) |
| renderer->repaint(); |
| } |
| |
| if (listCanBeRemoved) { |
| m_markers.remove(iterator); |
| if (m_markers.isEmpty()) |
| m_possiblyExistingMarkerTypes = { }; |
| } |
| } |
| |
| void DocumentMarkerController::repaintMarkers(OptionSet<DocumentMarker::MarkerType> markerTypes) |
| { |
| if (!possiblyHasMarkers(markerTypes)) |
| return; |
| ASSERT(!m_markers.isEmpty()); |
| |
| // outer loop: process each markered node in the document |
| for (auto& marker : m_markers) { |
| Node* node = marker.key.get(); |
| |
| // inner loop: process each marker in the current node |
| bool nodeNeedsRepaint = false; |
| for (auto& documentMarker : *marker.value) { |
| if (markerTypes.contains(documentMarker.type())) { |
| nodeNeedsRepaint = true; |
| break; |
| } |
| } |
| |
| if (!nodeNeedsRepaint) |
| continue; |
| |
| // cause the node to be redrawn |
| if (auto renderer = node->renderer()) |
| renderer->repaint(); |
| } |
| } |
| |
| void DocumentMarkerController::shiftMarkers(Node& node, unsigned startOffset, int delta) |
| { |
| if (!possiblyHasMarkers(DocumentMarker::allMarkers())) |
| return; |
| ASSERT(!m_markers.isEmpty()); |
| |
| MarkerList* list = m_markers.get(&node); |
| if (!list) |
| return; |
| |
| bool didShiftMarker = false; |
| for (size_t i = 0; i != list->size(); ) { |
| RenderedDocumentMarker& marker = list->at(i); |
| // FIXME: How can this possibly be iOS-specific code? |
| #if PLATFORM(IOS_FAMILY) |
| int targetStartOffset = marker.startOffset() + delta; |
| int targetEndOffset = marker.endOffset() + delta; |
| if (targetStartOffset >= node.maxCharacterOffset() || targetEndOffset <= 0) { |
| list->remove(i); |
| continue; |
| } |
| #endif |
| if (marker.startOffset() >= startOffset) { |
| ASSERT((int)marker.startOffset() + delta >= 0); |
| marker.shiftOffsets(delta); |
| didShiftMarker = true; |
| #if !PLATFORM(IOS_FAMILY) |
| } |
| #else |
| // FIXME: Inserting text inside a DocumentMarker does not grow the marker. |
| // See <https://bugs.webkit.org/show_bug.cgi?id=62504>. |
| } else if (marker.endOffset() > startOffset) { |
| if (marker.endOffset() + delta <= marker.startOffset()) { |
| list->remove(i); |
| continue; |
| } |
| marker.setEndOffset(targetEndOffset < node.maxCharacterOffset() ? targetEndOffset : node.maxCharacterOffset()); |
| didShiftMarker = true; |
| } |
| #endif |
| ++i; |
| } |
| |
| if (didShiftMarker) { |
| invalidateRectsForMarkersInNode(node); |
| |
| if (node.renderer()) |
| node.renderer()->repaint(); |
| } |
| } |
| |
| void DocumentMarkerController::setMarkersActive(Range& range, bool active) |
| { |
| if (!possiblyHasMarkers(DocumentMarker::allMarkers())) |
| return; |
| ASSERT(!m_markers.isEmpty()); |
| |
| Node& startContainer = range.startContainer(); |
| Node& endContainer = range.endContainer(); |
| |
| Node* pastLastNode = range.pastLastNode(); |
| |
| for (Node* node = range.firstNode(); node != pastLastNode; node = NodeTraversal::next(*node)) { |
| unsigned startOffset = node == &startContainer ? range.startOffset() : 0; |
| unsigned endOffset = node == &endContainer ? range.endOffset() : std::numeric_limits<unsigned>::max(); |
| setMarkersActive(*node, startOffset, endOffset, active); |
| } |
| } |
| |
| void DocumentMarkerController::setMarkersActive(Node& node, unsigned startOffset, unsigned endOffset, bool active) |
| { |
| MarkerList* list = m_markers.get(&node); |
| if (!list) |
| return; |
| |
| bool didActivateMarker = false; |
| for (auto& marker : *list) { |
| // Markers are returned in order, so stop if we are now past the specified range. |
| if (marker.startOffset() >= endOffset) |
| break; |
| |
| // Skip marker that is wrong type or before target. |
| if (marker.endOffset() < startOffset || marker.type() != DocumentMarker::TextMatch) |
| continue; |
| |
| marker.setActiveMatch(active); |
| didActivateMarker = true; |
| } |
| |
| if (didActivateMarker && node.renderer()) |
| node.renderer()->repaint(); |
| } |
| |
| bool DocumentMarkerController::hasMarkers(Range& range, OptionSet<DocumentMarker::MarkerType> markerTypes) |
| { |
| if (!possiblyHasMarkers(markerTypes)) |
| return false; |
| ASSERT(!m_markers.isEmpty()); |
| |
| Node& startContainer = range.startContainer(); |
| Node& endContainer = range.endContainer(); |
| |
| Node* pastLastNode = range.pastLastNode(); |
| for (Node* node = range.firstNode(); node != pastLastNode; node = NodeTraversal::next(*node)) { |
| ASSERT(node); |
| for (auto* marker : markersFor(*node)) { |
| if (!markerTypes.contains(marker->type())) |
| continue; |
| if (node == &startContainer && marker->endOffset() <= static_cast<unsigned>(range.startOffset())) |
| continue; |
| if (node == &endContainer && marker->startOffset() >= static_cast<unsigned>(range.endOffset())) |
| continue; |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| void DocumentMarkerController::clearDescriptionOnMarkersIntersectingRange(Range& range, OptionSet<DocumentMarker::MarkerType> markerTypes) |
| { |
| if (!possiblyHasMarkers(markerTypes)) |
| return; |
| ASSERT(!m_markers.isEmpty()); |
| |
| Node& startContainer = range.startContainer(); |
| Node& endContainer = range.endContainer(); |
| |
| Node* pastLastNode = range.pastLastNode(); |
| for (Node* node = range.firstNode(); node != pastLastNode; node = NodeTraversal::next(*node)) { |
| unsigned startOffset = node == &startContainer ? range.startOffset() : 0; |
| unsigned endOffset = node == &endContainer ? static_cast<unsigned>(range.endOffset()) : std::numeric_limits<unsigned>::max(); |
| MarkerList* list = m_markers.get(node); |
| if (!list) |
| continue; |
| |
| for (size_t i = 0; i < list->size(); ++i) { |
| DocumentMarker& marker = list->at(i); |
| |
| // markers are returned in order, so stop if we are now past the specified range |
| if (marker.startOffset() >= endOffset) |
| break; |
| |
| // skip marker that is wrong type or before target |
| if (marker.endOffset() <= startOffset || !markerTypes.contains(marker.type())) { |
| i++; |
| continue; |
| } |
| |
| marker.clearData(); |
| } |
| } |
| } |
| |
| #if ENABLE(TREE_DEBUGGING) |
| void DocumentMarkerController::showMarkers() const |
| { |
| fprintf(stderr, "%d nodes have markers:\n", m_markers.size()); |
| for (auto& marker : m_markers) { |
| Node* node = marker.key.get(); |
| fprintf(stderr, "%p", node); |
| for (auto& documentMarker : *marker.value) |
| fprintf(stderr, " %d:[%d:%d](%d)", documentMarker.type(), documentMarker.startOffset(), documentMarker.endOffset(), documentMarker.isActiveMatch()); |
| |
| fprintf(stderr, "\n"); |
| } |
| } |
| #endif |
| |
| } // namespace WebCore |
| |
| #if ENABLE(TREE_DEBUGGING) |
| void showDocumentMarkers(const WebCore::DocumentMarkerController* controller) |
| { |
| if (controller) |
| controller->showMarkers(); |
| } |
| #endif |