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..f8640ee0783d55a21ffa70f5ffd803f86c0f2b7c |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/editing/markers/DocumentMarkerList.cpp |
@@ -0,0 +1,53 @@ |
+// 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" |
+ |
+#include "core/editing/markers/DocumentMarkerController.h" |
+ |
+namespace blink { |
+ |
+DocumentMarkerList::DocumentMarkerList( |
+ DocumentMarkerController* documentMarkerController) |
+ : m_documentMarkerController(documentMarkerController) {} |
+ |
+bool DocumentMarkerList::startsAfter(const Member<DocumentMarker>& marker, |
+ size_t startOffset) { |
+ return marker->startOffset() < startOffset; |
+} |
+ |
+bool DocumentMarkerList::endsBefore(size_t startOffset, |
+ const Member<DocumentMarker>& rhv) { |
+ return startOffset < rhv->endOffset(); |
+} |
+ |
+bool DocumentMarkerList::compareByStart(const Member<DocumentMarker>& lhv, |
+ const Member<DocumentMarker>& rhv) { |
+ return lhv->startOffset() < rhv->startOffset(); |
+} |
+ |
+DocumentMarkerList::ShiftMarkerResult |
+DocumentMarkerList::getShiftedMarkerPosition(const DocumentMarker& marker, |
+ unsigned startOffset, |
+ int delta) { |
+ ShiftMarkerResult result; |
+ result.newStartOffset = marker.startOffset(); |
+ result.newEndOffset = marker.endOffset(); |
+ |
+ if (marker.startOffset() < startOffset) |
+ return result; |
+ |
+ DCHECK_GE(static_cast<int>(marker.startOffset()) + delta, 0); |
+ |
+ result.newStartOffset += delta; |
+ result.newEndOffset += delta; |
+ |
+ return result; |
+} |
+ |
+DEFINE_TRACE(DocumentMarkerList) { |
+ visitor->trace(m_documentMarkerController); |
+} |
+ |
+} // namespace blink |