blob: 584b1e43807c881b400ca3c445b698a847f8342b [file] [log] [blame]
/*
* Copyright (C) 2006-2016 Apple Inc. All rights reserved.
* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "EditorInsertAction.h"
#include "SerializedAttachmentData.h"
#include "TextAffinity.h"
#include "TextChecking.h"
#include "UndoStep.h"
#include <wtf/Forward.h>
#include <wtf/Vector.h>
namespace WebCore {
enum class DOMPasteAccessResponse : uint8_t;
class DocumentFragment;
class Element;
class Frame;
class KeyboardEvent;
class Node;
class Range;
class SharedBuffer;
class StyleProperties;
class TextCheckerClient;
class VisibleSelection;
struct GapRects;
struct GrammarDetail;
class EditorClient {
public:
virtual ~EditorClient() = default;
virtual bool shouldDeleteRange(Range*) = 0;
virtual bool smartInsertDeleteEnabled() = 0;
virtual bool isSelectTrailingWhitespaceEnabled() const = 0;
virtual bool isContinuousSpellCheckingEnabled() = 0;
virtual void toggleContinuousSpellChecking() = 0;
virtual bool isGrammarCheckingEnabled() = 0;
virtual void toggleGrammarChecking() = 0;
virtual int spellCheckerDocumentTag() = 0;
virtual bool shouldBeginEditing(Range*) = 0;
virtual bool shouldEndEditing(Range*) = 0;
virtual bool shouldInsertNode(Node*, Range*, EditorInsertAction) = 0;
virtual bool shouldInsertText(const String&, Range*, EditorInsertAction) = 0;
virtual bool shouldChangeSelectedRange(Range* fromRange, Range* toRange, EAffinity, bool stillSelecting) = 0;
virtual bool shouldRevealCurrentSelectionAfterInsertion() const { return true; };
virtual bool shouldApplyStyle(StyleProperties*, Range*) = 0;
virtual void didApplyStyle() = 0;
virtual bool shouldMoveRangeAfterDelete(Range*, Range*) = 0;
#if ENABLE(ATTACHMENT_ELEMENT)
virtual void registerAttachmentIdentifier(const String& /* identifier */, const String& /* contentType */, const String& /* preferredFileName */, Ref<SharedBuffer>&&) { }
virtual void registerAttachmentIdentifier(const String& /* identifier */, const String& /* contentType */, const String& /* filePath */) { }
virtual void registerAttachments(Vector<SerializedAttachmentData>&&) { }
virtual void registerAttachmentIdentifier(const String& /* identifier */) { }
virtual void cloneAttachmentData(const String& /* fromIdentifier */, const String& /* toIdentifier */) { }
virtual void didInsertAttachmentWithIdentifier(const String& /* identifier */, const String& /* source */, bool /* hasEnclosingImage */) { }
virtual void didRemoveAttachmentWithIdentifier(const String&) { }
virtual bool supportsClientSideAttachmentData() const { return false; }
virtual Vector<SerializedAttachmentData> serializedAttachmentDataForIdentifiers(const Vector<String>&) { return { }; }
#endif
virtual void didBeginEditing() = 0;
virtual void respondToChangedContents() = 0;
virtual void respondToChangedSelection(Frame*) = 0;
virtual void didEndUserTriggeredSelectionChanges() = 0;
virtual void updateEditorStateAfterLayoutIfEditabilityChanged() = 0;
virtual void didEndEditing() = 0;
virtual void willWriteSelectionToPasteboard(Range*) = 0;
virtual void didWriteSelectionToPasteboard() = 0;
virtual void getClientPasteboardDataForRange(Range*, Vector<String>& pasteboardTypes, Vector<RefPtr<SharedBuffer>>& pasteboardData) = 0;
virtual void requestCandidatesForSelection(const VisibleSelection&) { }
virtual void handleAcceptedCandidateWithSoftSpaces(TextCheckingResult) { }
virtual DOMPasteAccessResponse requestDOMPasteAccess(const String& originIdentifier) = 0;
// Notify an input method that a composition was voluntarily discarded by WebCore, so that it could clean up too.
// This function is not called when a composition is closed per a request from an input method.
virtual void discardedComposition(Frame*) = 0;
virtual void canceledComposition() = 0;
virtual void didUpdateComposition() = 0;
virtual void registerUndoStep(UndoStep&) = 0;
virtual void registerRedoStep(UndoStep&) = 0;
virtual void clearUndoRedoOperations() = 0;
virtual bool canCopyCut(Frame*, bool defaultValue) const = 0;
virtual bool canPaste(Frame*, bool defaultValue) const = 0;
virtual bool canUndo() const = 0;
virtual bool canRedo() const = 0;
virtual void undo() = 0;
virtual void redo() = 0;
virtual void handleKeyboardEvent(KeyboardEvent&) = 0;
virtual void handleInputMethodKeydown(KeyboardEvent&) = 0;
virtual void didDispatchInputMethodKeydown(KeyboardEvent&) { }
virtual void textFieldDidBeginEditing(Element*) = 0;
virtual void textFieldDidEndEditing(Element*) = 0;
virtual void textDidChangeInTextField(Element*) = 0;
virtual bool doTextFieldCommandFromEvent(Element*, KeyboardEvent*) = 0;
virtual void textWillBeDeletedInTextField(Element*) = 0;
virtual void textDidChangeInTextArea(Element*) = 0;
virtual void overflowScrollPositionChanged() = 0;
virtual void subFrameScrollPositionChanged() = 0;
#if PLATFORM(IOS_FAMILY)
virtual void startDelayingAndCoalescingContentChangeNotifications() = 0;
virtual void stopDelayingAndCoalescingContentChangeNotifications() = 0;
virtual bool hasRichlyEditableSelection() = 0;
virtual int getPasteboardItemsCount() = 0;
virtual RefPtr<DocumentFragment> documentFragmentFromDelegate(int index) = 0;
virtual bool performsTwoStepPaste(DocumentFragment*) = 0;
virtual void updateStringForFind(const String&) = 0;
#endif
#if PLATFORM(COCOA)
virtual void setInsertionPasteboard(const String& pasteboardName) = 0;
#endif
#if USE(APPKIT)
virtual void uppercaseWord() = 0;
virtual void lowercaseWord() = 0;
virtual void capitalizeWord() = 0;
#endif
#if USE(AUTOMATIC_TEXT_REPLACEMENT)
virtual void showSubstitutionsPanel(bool show) = 0;
virtual bool substitutionsPanelIsShowing() = 0;
virtual void toggleSmartInsertDelete() = 0;
virtual bool isAutomaticQuoteSubstitutionEnabled() = 0;
virtual void toggleAutomaticQuoteSubstitution() = 0;
virtual bool isAutomaticLinkDetectionEnabled() = 0;
virtual void toggleAutomaticLinkDetection() = 0;
virtual bool isAutomaticDashSubstitutionEnabled() = 0;
virtual void toggleAutomaticDashSubstitution() = 0;
virtual bool isAutomaticTextReplacementEnabled() = 0;
virtual void toggleAutomaticTextReplacement() = 0;
virtual bool isAutomaticSpellingCorrectionEnabled() = 0;
virtual void toggleAutomaticSpellingCorrection() = 0;
#endif
#if PLATFORM(GTK)
virtual bool shouldShowUnicodeMenu() = 0;
#endif
virtual TextCheckerClient* textChecker() = 0;
virtual void updateSpellingUIWithGrammarString(const String&, const GrammarDetail& detail) = 0;
virtual void updateSpellingUIWithMisspelledWord(const String&) = 0;
virtual void showSpellingUI(bool show) = 0;
virtual bool spellingUIIsShowing() = 0;
virtual void willSetInputMethodState() = 0;
virtual void setInputMethodState(Element*) = 0;
// Support for global selections, used on platforms like the X Window System that treat
// selection as a type of clipboard.
virtual bool supportsGlobalSelection() { return false; }
virtual bool performTwoStepDrop(DocumentFragment&, Range& destination, bool isMove) = 0;
virtual bool canShowFontPanel() const = 0;
virtual bool shouldAllowSingleClickToChangeSelection(Node&, const VisibleSelection&) const { return true; }
};
}