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121 lines
4.5 KiB
C++
121 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsIEventStateManager_h__
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#define nsIEventStateManager_h__
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#include "nsGUIEvent.h"
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#include "nsISupports.h"
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#include "nsVoidArray.h"
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class nsIContent;
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class nsIPresContext;
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class nsIDOMEvent;
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class nsIFrame;
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class nsIView;
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class nsIWidget;
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class nsIDocument;
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/*
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* Event listener manager interface.
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*/
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#define NS_IEVENTSTATEMANAGER_IID \
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{ /* 80a98c80-2036-11d2-bd89-00805f8ae3f4 */ \
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0x80a98c80, 0x2036, 0x11d2, \
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{0xbd, 0x89, 0x00, 0x80, 0x5f, 0x8a, 0xe3, 0xf4} }
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class nsIEventStateManager : public nsISupports {
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public:
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static const nsIID& GetIID() { static nsIID iid = NS_IEVENTSTATEMANAGER_IID; return iid; }
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NS_IMETHOD Init() = 0;
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NS_IMETHOD PreHandleEvent(nsIPresContext* aPresContext,
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nsEvent *aEvent,
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nsIFrame* aTargetFrame,
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nsEventStatus* aStatus,
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nsIView* aView) = 0;
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NS_IMETHOD PostHandleEvent(nsIPresContext* aPresContext,
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nsEvent *aEvent,
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nsIFrame* aTargetFrame,
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nsEventStatus* aStatus,
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nsIView* aView) = 0;
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NS_IMETHOD SetPresContext(nsIPresContext* aPresContext) = 0;
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NS_IMETHOD ClearFrameRefs(nsIFrame* aFrame) = 0;
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NS_IMETHOD GetEventTarget(nsIFrame **aFrame) = 0;
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NS_IMETHOD GetEventTargetContent(nsEvent* aEvent, nsIContent** aContent) = 0;
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NS_IMETHOD GetEventRelatedContent(nsIContent** aContent) = 0;
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NS_IMETHOD GetContentState(nsIContent *aContent, PRInt32& aState) = 0;
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NS_IMETHOD SetContentState(nsIContent *aContent, PRInt32 aState) = 0;
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NS_IMETHOD GetFocusedContent(nsIContent **aContent) = 0;
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NS_IMETHOD SetFocusedContent(nsIContent* aContent) = 0;
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virtual PRBool ChangeFocus(nsIContent* aFocus, nsIFrame* aFocusFrame, PRBool aSetFocus) = 0;
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NS_IMETHOD GetNextTabbableContent(nsIContent* aRootContent, nsIFrame* aFrame,
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PRBool forward, nsIContent** aResult) = 0;
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NS_IMETHOD GetNextTabbableIndexContent(nsIContent* aRootContent,
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PRBool forward,
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PRBool aStartOver,
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nsIContent** aResult) = 0;
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NS_IMETHOD HasPositiveTabIndex(nsIContent* aContent,
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PRBool* aResult) = 0;
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// This is an experiement and may be temporary
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NS_IMETHOD ConsumeFocusEvents(PRBool aDoConsume) = 0;
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// Access Key Registration
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NS_IMETHOD RegisterAccessKey(nsIFrame * aFrame, nsIContent* aContent, PRUint32 aKey) = 0;
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NS_IMETHOD UnregisterAccessKey(nsIFrame * aFrame, nsIContent* aContent, PRUint32 aKey) = 0;
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NS_IMETHOD SetCursor(PRInt32 aCursor, nsIWidget* aWidget, PRBool aLockCursor) = 0;
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//Method for centralized distribution of new DOM events
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NS_IMETHOD DispatchNewEvent(nsISupports* aTarget, nsIDOMEvent* aEvent) = 0;
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// Method for moving the focus forward/back.
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NS_IMETHOD MoveFocus(PRBool aDirection, nsIContent* aRoot)=0;
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// Method for indicating that we are at top of a doc in a special situation
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NS_IMETHOD SetSpecialTopOfDoc(PRBool aIsAtTop)=0;
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//-- Special Enums needed for DocShell Identification
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enum eDocType {eChrome = 0, eGenericContent, eFrameSet, eFrame, eIFrame};
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NS_IMETHOD FigureOutKindOfDoc(nsIDocument* aDoc, eDocType* aDocType) = 0;
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};
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#define NS_EVENT_STATE_UNSPECIFIED 0x0000
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#define NS_EVENT_STATE_ACTIVE 0x0001 // mouse is down on content
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#define NS_EVENT_STATE_FOCUS 0x0002 // content has focus
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#define NS_EVENT_STATE_HOVER 0x0004 // mouse is hovering over content
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#define NS_EVENT_STATE_DRAGOVER 0x0008 // drag is hovering over content
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#endif // nsIEventStateManager_h__
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