Index: third_party/WebKit/Source/core/editing/EditingUtilities.cpp |
diff --git a/third_party/WebKit/Source/core/editing/EditingUtilities.cpp b/third_party/WebKit/Source/core/editing/EditingUtilities.cpp |
index 334c6e74659019cc3cbbd7852cc4ecd23cadc981..844e7060a4e17e95e3b029a875e22194cc653e52 100644 |
--- a/third_party/WebKit/Source/core/editing/EditingUtilities.cpp |
+++ b/third_party/WebKit/Source/core/editing/EditingUtilities.cpp |
@@ -372,6 +372,43 @@ Element* rootEditableElement(const Node& node) { |
return toElement(const_cast<Node*>(result)); |
} |
+bool isSelectionInDocument(const VisibleSelectionInFlatTree& visibleSelection, |
+ const Document& document) { |
+ const PositionInFlatTree& start = visibleSelection.start(); |
+ if (start.isNotNull() && |
+ (!start.isConnected() || start.document() != document)) |
+ return false; |
+ const PositionInFlatTree& end = visibleSelection.end(); |
+ if (end.isNotNull() && (!end.isConnected() || end.document() != document)) |
+ return false; |
+ const PositionInFlatTree extent = visibleSelection.extent(); |
+ if (extent.isNotNull() && |
+ (!extent.isConnected() || extent.document() != document)) |
+ return false; |
+ return true; |
+} |
+ |
+bool selectionHasFocus(const LocalFrame& frame) { |
+ const VisibleSelectionInFlatTree& selection = |
+ frame.selection().computeVisibleSelectionInFlatTree(); |
+ if (!isSelectionInDocument(selection, *frame.document())) |
yosin_UTC9
2017/03/21 06:49:59
We can assume SelectionInFlatTree in FrameSelecito
hugoh_UTC2
2017/03/22 02:54:47
Done.
|
+ return false; |
+ |
+ const Element* focus = frame.document()->focusedElement(); |
+ if (!focus) { |
+ // No focused element means document root has focus. |
+ focus = frame.document()->documentElement(); |
+ } |
+ |
+ const Node* const nodeWhereSelectionStarts = |
yosin_UTC9
2017/03/21 06:49:59
To check base/extent in focus element, we don't ne
hugoh_UTC2
2017/03/22 02:54:47
FrameSelection has no public getter that returns t
|
+ selection.base().computeContainerNode(); |
+ const Node* const nodeWhereSelectionEnds = |
+ selection.extent().computeContainerNode(); |
+ |
+ return focus->containsIncludingHostElements(*nodeWhereSelectionStarts) || |
+ focus->containsIncludingHostElements(*nodeWhereSelectionEnds); |
+} |
+ |
ContainerNode* highestEditableRoot( |
const Position& position, |
Element* (*rootEditableElementOf)(const Position&), |