Index: third_party/WebKit/Source/core/editing/markers/DocumentMarkerList.cpp |
diff --git a/third_party/WebKit/Source/core/editing/markers/DocumentMarkerList.cpp b/third_party/WebKit/Source/core/editing/markers/DocumentMarkerList.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..a91d4d3d2d99b295a5905689c1c9081d62c610cd |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/editing/markers/DocumentMarkerList.cpp |
@@ -0,0 +1,155 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "core/editing/markers/DocumentMarkerList.h" |
+ |
+namespace blink { |
+ |
+DocumentMarkerList::DocumentMarkerList() {} |
+ |
+bool DocumentMarkerList::isEditingMarkerList() const { |
+ return false; |
+} |
+ |
+bool DocumentMarkerList::isSpellCheckMarkerList() const { |
+ return false; |
+} |
+ |
+DocumentMarker* DocumentMarkerList::at(size_t index) { |
+ return m_markers[index].get(); |
+} |
+ |
+void DocumentMarkerList::add(DocumentMarker* marker) { |
+ m_markers.push_back(marker); |
+} |
+ |
+void DocumentMarkerList::clear() { |
+ m_markers.clear(); |
+} |
+ |
+void DocumentMarkerList::appendMarkersToInputList( |
+ DocumentMarkerVector* list) const { |
+ for (Member<DocumentMarker> marker : m_markers) { |
+ list->push_back(marker); |
+ } |
+} |
+ |
+DocumentMarkerList::DidCopyMarkerOrNot DocumentMarkerList::copyMarkers( |
+ unsigned startOffset, |
+ int length, |
+ DocumentMarkerList* dstList, |
+ int delta) const { |
+ DidCopyMarkerOrNot didCopyMarker = DidCopyMarkerOrNot::DidNotCopyMarker; |
+ unsigned endOffset = startOffset + length - 1; |
+ |
+ for (Member<DocumentMarker> marker : m_markers) { |
+ // pin the marker to the specified range and apply the shift delta |
+ if (marker->endOffset() >= startOffset && |
+ marker->startOffset() <= endOffset) { |
+ didCopyMarker = DidCopyMarkerOrNot::DidCopyMarker; |
+ |
+ DocumentMarker* copiedMarker = marker->clone(); |
+ if (copiedMarker->startOffset() < startOffset) |
+ copiedMarker->setStartOffset(startOffset); |
+ if (copiedMarker->endOffset() > endOffset) |
+ copiedMarker->setEndOffset(endOffset); |
+ copiedMarker->shiftOffsets(delta); |
+ |
+ dstList->add(copiedMarker); |
+ } |
+ } |
+ |
+ return didCopyMarker; |
+} |
+ |
+DocumentMarkerList::DidRemoveMarkerOrNot DocumentMarkerList::removeMarkers( |
+ unsigned startOffset, |
+ int length, |
+ bool shouldRemovePartiallyOverlappingMarkers) { |
+ unsigned endOffset = startOffset + length; |
+ HeapVector<Member<DocumentMarker>> newMarkerList; |
+ DidRemoveMarkerOrNot didRemoveMarker = |
+ DidRemoveMarkerOrNot::DidNotRemoveMarker; |
+ |
+ for (Member<DocumentMarker> marker : m_markers) { |
+ if (marker->endOffset() <= startOffset) { |
+ newMarkerList.push_back(marker); |
+ continue; |
+ } |
+ |
+ if (marker->startOffset() >= endOffset) { |
+ newMarkerList.push_back(marker); |
+ continue; |
+ } |
+ |
+ didRemoveMarker = DidRemoveMarkerOrNot::DidRemoveMarker; |
+ |
+ if (shouldRemovePartiallyOverlappingMarkers) { |
+ // 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->clone(); |
+ newLeft->setEndOffset(startOffset); |
+ newMarkerList.push_back(newLeft); |
+ } |
+ |
+ if (marker->endOffset() > endOffset) { |
+ DocumentMarker* newRight = marker->clone(); |
+ newRight->setStartOffset(endOffset); |
+ newMarkerList.push_back(newRight); |
+ } |
+ } |
+ |
+ swap(m_markers, newMarkerList); |
+ return didRemoveMarker; |
+} |
+ |
+DocumentMarkerList::DidShiftMarkerOrNot DocumentMarkerList::shiftMarkers( |
+ unsigned offset, |
+ unsigned oldLength, |
+ unsigned newLength) { |
+ HeapVector<Member<DocumentMarker>> newMarkerList; |
+ DocumentMarkerList::DidShiftMarkerOrNot didShift = |
+ DidShiftMarkerOrNot::DidNotShiftMarker; |
+ for (Member<DocumentMarker> marker : m_markers) { |
+ Optional<DocumentMarker::MarkerOffsets> result = |
+ marker->computeOffsetsAfterShift(offset, oldLength, newLength); |
+ |
+ if (result == WTF::nullopt) { |
+ didShift = DidShiftMarkerOrNot::DidShiftMarker; |
+ continue; |
+ } |
+ |
+ if (result.value().startOffset != marker->startOffset() || |
+ result.value().endOffset != marker->endOffset()) { |
+ marker->setStartOffset(result.value().startOffset); |
+ marker->setEndOffset(result.value().endOffset); |
+ |
+ didShift = DidShiftMarkerOrNot::DidShiftMarker; |
+ } |
+ newMarkerList.push_back(marker); |
+ } |
+ |
+ swap(m_markers, newMarkerList); |
+ return didShift; |
+} |
+ |
+HeapVector<Member<DocumentMarker>>::iterator |
+DocumentMarkerList::getPosOfFirstMarkerNotEndingBefore(size_t startOffset) { |
+ DCHECK(markerListIsSorted()); |
+ return std::upper_bound( |
+ m_markers.begin(), m_markers.end(), startOffset, |
+ [](size_t startOffset, const Member<DocumentMarker>& rhv) -> bool { |
+ return startOffset < rhv->endOffset(); |
+ }); |
+} |
+ |
+DEFINE_TRACE(DocumentMarkerList) { |
+ visitor->trace(m_markers); |
+} |
+ |
+} // namespace blink |