#include "platform/Timer.h"
#include "platform/geometry/IntRect.h"
#include "platform/geometry/LayoutRect.h"
+#include "platform/heap/Handle.h"
#include "wtf/Noncopyable.h"
-namespace WebCore {
+namespace blink {
class CharacterData;
-class Frame;
+class LocalFrame;
class GraphicsContext;
class HTMLFormElement;
-class MutableStylePropertySet;
-class RenderObject;
-class RenderView;
-class Settings;
class Text;
class VisiblePosition;
DoNotRevealExtent
};
-class FrameSelection : private CaretBase {
+class FrameSelection final : public NoBaseWillBeGarbageCollectedFinalized<FrameSelection>, public VisibleSelection::ChangeObserver, private CaretBase {
WTF_MAKE_NONCOPYABLE(FrameSelection);
- WTF_MAKE_FAST_ALLOCATED;
+ WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
+ WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(FrameSelection);
public:
+ static PassOwnPtrWillBeRawPtr<FrameSelection> create(LocalFrame* frame = nullptr)
+ {
+ return adoptPtrWillBeNoop(new FrameSelection(frame));
+ }
+ virtual ~FrameSelection();
+
enum EAlteration { AlterationMove, AlterationExtend };
enum CursorAlignOnScroll { AlignCursorOnScrollIfNeeded,
AlignCursorOnScrollAlways };
return static_cast<EUserTriggered>(options & UserTriggered);
}
- explicit FrameSelection(Frame* = 0);
+ enum DirectoinalOption {
+ NonDirectional,
+ Directional
+ };
+ enum ResetCaretBlinkOption {
+ None,
+ ResetCaretBlink
+ };
Element* rootEditableElement() const { return m_selection.rootEditableElement(); }
Element* rootEditableElementOrDocumentElement() const;
- Node* rootEditableElementOrTreeScopeRootNode() const;
+ ContainerNode* rootEditableElementOrTreeScopeRootNode() const;
- bool rendererIsEditable() const { return m_selection.rendererIsEditable(); }
+ bool hasEditableStyle() const { return m_selection.hasEditableStyle(); }
bool isContentEditable() const { return m_selection.isContentEditable(); }
bool isContentRichlyEditable() const { return m_selection.isContentRichlyEditable(); }
const VisibleSelection& selection() const { return m_selection; }
void setSelection(const VisibleSelection&, SetSelectionOptions = CloseTyping | ClearTypingStyle, CursorAlignOnScroll = AlignCursorOnScrollIfNeeded, TextGranularity = CharacterGranularity);
void setSelection(const VisibleSelection& selection, TextGranularity granularity) { setSelection(selection, CloseTyping | ClearTypingStyle, AlignCursorOnScrollIfNeeded, granularity); }
- bool setSelectedRange(Range*, EAffinity, bool closeTyping);
+ bool setSelectedRange(Range*, EAffinity, DirectoinalOption directional = NonDirectional, SetSelectionOptions = CloseTyping | ClearTypingStyle);
void selectAll();
void clear();
void prepareForDestruction();
Position end() const { return m_selection.end(); }
// Return the renderer that is responsible for painting the caret (in the selection start node)
- RenderObject* caretRenderer() const;
-
- // Caret rect local to the caret's renderer
- LayoutRect localCaretRect();
+ RenderBlock* caretRenderer() const;
// Bounds of (possibly transformed) caret in absolute coords
IntRect absoluteCaretBounds();
- void setCaretRectNeedsUpdate() { CaretBase::setCaretRectNeedsUpdate(); }
void didChangeFocus();
void willBeModified(EAlteration, SelectionDirection);
bool isRange() const { return m_selection.isRange(); }
bool isCaretOrRange() const { return m_selection.isCaretOrRange(); }
bool isInPasswordField() const;
+ bool isDirectional() const { return m_selection.isDirectional(); }
- PassRefPtr<Range> toNormalizedRange() const { return m_selection.toNormalizedRange(); }
+ // If this FrameSelection has a logical range which is still valid, this function return its clone. Otherwise,
+ // the return value from underlying VisibleSelection's firstRange() is returned.
+ PassRefPtrWillBeRawPtr<Range> firstRange() const;
+
+ PassRefPtrWillBeRawPtr<Range> toNormalizedRange() const { return m_selection.toNormalizedRange(); }
void nodeWillBeRemoved(Node&);
void didUpdateCharacterData(CharacterData*, unsigned offset, unsigned oldLength, unsigned newLength);
void didMergeTextNodes(const Text& oldNode, unsigned offset);
void didSplitTextNode(const Text& oldNode);
+ void updateAppearance(ResetCaretBlinkOption = None);
void setCaretVisible(bool caretIsVisible) { setCaretVisibility(caretIsVisible ? Visible : Hidden); }
- bool recomputeCaretRect();
+ bool isCaretBoundsDirty() const { return m_caretRectDirty; }
+ void setCaretRectNeedsUpdate();
+ void scheduleVisualUpdate() const;
void invalidateCaretRect();
void paintCaret(GraphicsContext*, const LayoutPoint&, const LayoutRect& clipRect);
+ bool ShouldPaintCaretForTesting() const { return m_shouldPaintCaret; }
// Used to suspend caret blinking while the mouse is down.
void setCaretBlinkingSuspended(bool suspended) { m_isCaretBlinkingSuspended = suspended; }
bool isFocusedAndActive() const;
void pageActivationChanged();
- // Painting.
- void updateAppearance();
-
void updateSecureKeyboardEntryIfActive();
+ // Returns true if a word is selected.
+ bool selectWordAroundPosition(const VisiblePosition&);
+
#ifndef NDEBUG
void formatForDebugger(char* buffer, unsigned length) const;
void showTreeForThis() const;
void notifyRendererOfSelectionChange(EUserTriggered);
EditingStyle* typingStyle() const;
- void setTypingStyle(PassRefPtr<EditingStyle>);
+ void setTypingStyle(PassRefPtrWillBeRawPtr<EditingStyle>);
void clearTypingStyle();
String selectedText() const;
String selectedTextForClipboard() const;
- FloatRect bounds(bool clipToVisibleContent = true) const;
+ // The bounds are clipped to the viewport as this is what callers expect.
+ LayoutRect bounds() const;
+ LayoutRect unclippedBounds() const;
HTMLFormElement* currentForm() const;
void setShouldShowBlockCursor(bool);
+ // VisibleSelection::ChangeObserver interface.
+ virtual void didChangeVisibleSelection() override;
+
+ virtual void trace(Visitor*) override;
+
private:
+ explicit FrameSelection(LocalFrame*);
+
enum EPositionType { START, END, BASE, EXTENT };
void respondToNodeModification(Node&, bool baseRemoved, bool extentRemoved, bool startRemoved, bool endRemoved);
LayoutUnit lineDirectionPointForBlockDirectionNavigation(EPositionType);
void notifyAccessibilityForSelectionChange();
+ void notifyCompositorForSelectionChange();
+ void notifyEventHandlerForSelectionChange();
void focusedOrActiveStateChanged();
void updateSelectionIfNeeded(const Position& base, const Position& extent, const Position& start, const Position& end);
- Frame* m_frame;
+ void startObservingVisibleSelectionChange();
+ void stopObservingVisibleSelectionChangeIfNecessary();
+
+ VisibleSelection validateSelection(const VisibleSelection&);
+
+ RawPtrWillBeMember<LocalFrame> m_frame;
LayoutUnit m_xPosForVerticalArrowNavigation;
VisibleSelection m_selection;
+ bool m_observingVisibleSelection;
VisiblePosition m_originalBase; // Used to store base before the adjustment at bidi boundary
TextGranularity m_granularity;
- RefPtr<Node> m_previousCaretNode; // The last node which painted the caret. Retained for clearing the old caret when it moves.
+ // The range specified by the user, which may not be visually canonicalized (hence "logical").
+ // This will be invalidated if the underlying VisibleSelection changes. If that happens, this variable will
+ // become null, in which case logical positions == visible positions.
+ RefPtrWillBeMember<Range> m_logicalRange;
- RefPtr<EditingStyle> m_typingStyle;
+ RefPtrWillBeMember<Node> m_previousCaretNode; // The last node which painted the caret. Retained for clearing the old caret when it moves.
+ LayoutRect m_previousCaretRect;
+
+ RefPtrWillBeMember<EditingStyle> m_typingStyle;
Timer<FrameSelection> m_caretBlinkTimer;
- // The painted bounds of the caret in absolute coordinates
- IntRect m_absCaretBounds;
- bool m_absCaretBoundsDirty : 1;
- bool m_caretPaint : 1;
+
+ bool m_caretRectDirty : 1;
+ bool m_shouldPaintCaret : 1;
bool m_isCaretBlinkingSuspended : 1;
bool m_focused : 1;
bool m_shouldShowBlockCursor : 1;
m_typingStyle.clear();
}
-inline void FrameSelection::setTypingStyle(PassRefPtr<EditingStyle> style)
+inline void FrameSelection::setTypingStyle(PassRefPtrWillBeRawPtr<EditingStyle> style)
{
m_typingStyle = style;
}
-} // namespace WebCore
+} // namespace blink
#ifndef NDEBUG
// Outside the WebCore namespace for ease of invocation from gdb.
-void showTree(const WebCore::FrameSelection&);
-void showTree(const WebCore::FrameSelection*);
+void showTree(const blink::FrameSelection&);
+void showTree(const blink::FrameSelection*);
#endif
#endif // FrameSelection_h