117 lines
3.3 KiB
C++
117 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef EditorEventListener_h
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#define EditorEventListener_h
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#include "mozilla/EventForwards.h"
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#include "nsCOMPtr.h"
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#include "nsError.h"
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#include "nsIDOMEventListener.h"
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#include "nsISupportsImpl.h"
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#include "nscore.h"
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class nsCaret;
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class nsIContent;
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class nsIDOMDragEvent;
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class nsIDOMEvent;
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class nsIDOMKeyEvent;
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class nsIDOMMouseEvent;
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class nsIPresShell;
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class nsPresContext;
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// X.h defines KeyPress
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#ifdef KeyPress
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#undef KeyPress
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#endif
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#ifdef XP_WIN
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// On Windows, we support switching the text direction by pressing Ctrl+Shift
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#define HANDLE_NATIVE_TEXT_DIRECTION_SWITCH
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#endif
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namespace mozilla {
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class EditorBase;
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class EditorEventListener : public nsIDOMEventListener
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{
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public:
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EditorEventListener();
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virtual nsresult Connect(EditorBase* aEditorBase);
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void Disconnect();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMEVENTLISTENER
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void SpellCheckIfNeeded();
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protected:
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virtual ~EditorEventListener();
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nsresult InstallToEditor();
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void UninstallFromEditor();
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#ifdef HANDLE_NATIVE_TEXT_DIRECTION_SWITCH
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nsresult KeyDown(nsIDOMKeyEvent* aKeyEvent);
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nsresult KeyUp(nsIDOMKeyEvent* aKeyEvent);
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#endif
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nsresult KeyPress(nsIDOMKeyEvent* aKeyEvent);
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nsresult HandleChangeComposition(WidgetCompositionEvent* aCompositionEvent);
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nsresult HandleStartComposition(WidgetCompositionEvent* aCompositionEvent);
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void HandleEndComposition(WidgetCompositionEvent* aCompositionEvent);
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virtual nsresult MouseDown(nsIDOMMouseEvent* aMouseEvent);
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virtual nsresult MouseUp(nsIDOMMouseEvent* aMouseEvent) { return NS_OK; }
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virtual nsresult MouseClick(nsIDOMMouseEvent* aMouseEvent);
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nsresult Focus(WidgetEvent* aFocusEvent);
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nsresult Blur(WidgetEvent* aBlurEvent);
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nsresult DragEnter(nsIDOMDragEvent* aDragEvent);
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nsresult DragOver(nsIDOMDragEvent* aDragEvent);
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nsresult DragExit(nsIDOMDragEvent* aDragEvent);
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nsresult Drop(nsIDOMDragEvent* aDragEvent);
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bool CanDrop(nsIDOMDragEvent* aEvent);
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void CleanupDragDropCaret();
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already_AddRefed<nsIPresShell> GetPresShell();
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nsPresContext* GetPresContext();
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nsIContent* GetFocusedRootContent();
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// Returns true if IME consumes the mouse event.
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bool NotifyIMEOfMouseButtonEvent(nsIDOMMouseEvent* aMouseEvent);
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bool EditorHasFocus();
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bool IsFileControlTextBox();
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bool ShouldHandleNativeKeyBindings(nsIDOMKeyEvent* aKeyEvent);
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nsresult HandleMiddleClickPaste(nsIDOMMouseEvent* aMouseEvent);
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/**
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* DetachedFromEditor() returns true if editor was detached.
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* Otherwise, false.
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*/
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bool DetachedFromEditor() const;
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/**
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* DetachedFromEditorOrDefaultPrevented() returns true if editor was detached
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* and/or the event was consumed. Otherwise, i.e., attached editor can
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* handle the event, returns true.
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*/
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bool DetachedFromEditorOrDefaultPrevented(WidgetEvent* aEvent) const;
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EditorBase* mEditorBase; // weak
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RefPtr<nsCaret> mCaret;
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bool mCommitText;
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bool mInTransaction;
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bool mMouseDownOrUpConsumedByIME;
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#ifdef HANDLE_NATIVE_TEXT_DIRECTION_SWITCH
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bool mHaveBidiKeyboards;
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bool mShouldSwitchTextDirection;
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bool mSwitchToRTL;
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#endif
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};
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} // namespace mozilla
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#endif // #ifndef EditorEventListener_h
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