зеркало из https://github.com/mozilla/gecko-dev.git
321 строка
11 KiB
C++
321 строка
11 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsXPFCCanvas_h___
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#define nsXPFCCanvas_h___
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#include "nsxpfc.h"
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#include "nsAgg.h"
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#include "nsxpfcCIID.h"
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#include "nsIArray.h"
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#include "nsIIterator.h"
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#include "nsString.h"
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#include "nsFont.h"
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#include "nsGUIEvent.h"
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#include "nsIWidget.h"
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#include "nsIXPFCCanvas.h"
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#include "nsILayout.h"
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#include "nsIRenderingContext.h"
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#include "nsColor.h"
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#include "nsPoint.h"
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#include "nsIXPFCObserver.h"
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#include "nsIXPFCCommandReceiver.h"
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#include "nsIXPFCSubject.h"
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#include "nsIXMLParserObject.h"
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#include "nsIImageGroup.h"
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#include "nsIImageObserver.h"
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#include "nsIImageRequest.h"
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#include "nsIView.h"
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#include "nsIModel.h"
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#include "nsIXPFCCommand.h"
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#include "nsXPFCDialogDataHandlerCommand.h"
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CLASS_EXPORT_XPFC nsXPFCCanvas : public nsIXPFCCanvas,
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public nsIXPFCObserver,
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public nsIXMLParserObject,
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public nsIImageRequestObserver
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{
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public:
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nsXPFCCanvas(nsISupports* outer);
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NS_DECL_AGGREGATED
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NS_IMETHOD Init();
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NS_IMETHOD Init(nsNativeWidget aNativeParent, const nsRect& aBounds);
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NS_IMETHOD Init(nsIView * aParent, const nsRect& aBounds);
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NS_IMETHOD CreateIterator(nsIIterator ** aIterator) ;
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NS_IMETHOD Layout() ;
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NS_IMETHOD_(nsILayout *) GetLayout();
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NS_IMETHOD SetLayout(nsILayout * aLayout) ;
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NS_IMETHOD_(nsString&) GetNameID();
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NS_IMETHOD SetNameID(nsString& aString);
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NS_IMETHOD_(nsString&) GetLabel();
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NS_IMETHOD SetLabel(nsString& aString);
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NS_IMETHOD_(nsIModel *) GetModel();
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NS_IMETHOD GetModelInterface(const nsIID &aModelIID, nsISupports * aInterface) ;
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NS_IMETHOD SetModel(nsIModel * aModel);
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NS_IMETHOD SetBounds(const nsRect& aBounds);
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NS_IMETHOD_(void) GetBounds(nsRect& aRect);
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NS_IMETHOD_(nsEventStatus) DefaultProcessing(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) HandleEvent(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnPaint(nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect);
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NS_IMETHOD_(nsEventStatus) OnResize(nscoord aX, nscoord aY, nscoord aWidth, nscoord aHeight);
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NS_IMETHOD_(nsEventStatus) OnMove(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnGotFocus(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnLostFocus(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnLeftButtonDown(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnLeftButtonUp(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnLeftButtonDoubleClick(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnMiddleButtonDown(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnMiddleButtonUp(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnMiddleButtonDoubleClick(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnRightButtonDown(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnRightButtonUp(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnRightButtonDoubleClick(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnMouseEnter(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnMouseExit(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnMouseMove(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnKeyUp(nsGUIEvent *aEvent);
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NS_IMETHOD_(nsEventStatus) OnKeyDown(nsGUIEvent *aEvent);
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NS_IMETHOD_(void) AddChildCanvas(nsIXPFCCanvas * aChildCanvas, PRInt32 aPosition = -1);
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NS_IMETHOD_(void) RemoveChildCanvas(nsIXPFCCanvas * aChildCanvas);
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NS_IMETHOD_(void) Reparent(nsIXPFCCanvas * aParentCanvas);
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NS_IMETHOD_(nsEventStatus) PaintBackground(nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect);
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NS_IMETHOD_(nsEventStatus) PaintForeground(nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect);
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NS_IMETHOD_(nsEventStatus) PaintBorder(nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect);
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NS_IMETHOD_(nsEventStatus) PaintChildWidgets(nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect);
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NS_IMETHOD_(nsEventStatus) ResizeChildWidgets(nsGUIEvent *aEvent);
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NS_IMETHOD SetOpacity(PRFloat64 aOpacity) ;
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NS_IMETHOD_(PRFloat64) GetOpacity() ;
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NS_IMETHOD SetVisibility(PRBool aVisibility);
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NS_IMETHOD_(PRBool) GetVisibility();
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NS_IMETHOD SetTabID(PRUint32 aTabID);
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NS_IMETHOD_(PRUint32) GetTabID();
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NS_IMETHOD SetTabGroup(PRUint32 aTabGroup);
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NS_IMETHOD_(PRUint32) GetTabGroup();
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NS_IMETHOD_(nsIWidget *) GetWidget();
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NS_IMETHOD_(nsIView *) GetView();
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NS_IMETHOD_(nsIXPFCCanvas *) GetParent();
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NS_IMETHOD_(void) SetParent(nsIXPFCCanvas * aCanvas);
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NS_IMETHOD_(nscolor) GetBackgroundColor(void) ;
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NS_IMETHOD_(void) SetBackgroundColor(const nscolor &aColor) ;
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NS_IMETHOD_(nscolor) GetForegroundColor(void) ;
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NS_IMETHOD_(void) SetForegroundColor(const nscolor &aColor) ;
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NS_IMETHOD_(nscolor) GetBorderColor(void) ;
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NS_IMETHOD_(void) SetBorderColor(const nscolor &aColor) ;
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NS_IMETHOD_(nscolor) Highlight(const nscolor &aColor);
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NS_IMETHOD_(nscolor) Dim(const nscolor &aColor);
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NS_IMETHOD_(nsIXPFCCanvas *) CanvasFromPoint(const nsPoint &aPoint);
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NS_IMETHOD_(nsIXPFCCanvas *) CanvasFromTab(PRUint32 aTabGroup, PRUint32 aTabID);
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NS_IMETHOD GetClassPreferredSize(nsSize& aSize);
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NS_IMETHOD SetFocus();
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NS_IMETHOD GetPreferredSize(nsSize &aSize);
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NS_IMETHOD GetMaximumSize(nsSize &aSize);
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NS_IMETHOD GetMinimumSize(nsSize &aSize);
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NS_IMETHOD SetPreferredSize(nsSize &aSize);
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NS_IMETHOD SetMaximumSize(nsSize &aSize);
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NS_IMETHOD SetMinimumSize(nsSize &aSize);
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NS_IMETHOD_(PRBool) HasPreferredSize();
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NS_IMETHOD_(PRBool) HasMinimumSize();
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NS_IMETHOD_(PRBool) HasMaximumSize();
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NS_IMETHOD_(PRFloat64) GetMajorAxisWeight();
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NS_IMETHOD_(PRFloat64) GetMinorAxisWeight();
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NS_IMETHOD SetMajorAxisWeight(PRFloat64 aWeight);
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NS_IMETHOD SetMinorAxisWeight(PRFloat64 aWeight);
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NS_IMETHOD_(PRUint32) GetChildCount();
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NS_IMETHOD DeleteChildren();
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NS_IMETHOD DeleteChildren(PRUint32 aCount);
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NS_IMETHOD SetCommand(nsString& aCommand);
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NS_IMETHOD_(nsString&) GetCommand();
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NS_IMETHOD_(PRBool) PaintRequested();
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// nsIXPFCObserver methods
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NS_IMETHOD_(nsEventStatus) Update(nsIXPFCSubject * aSubject, nsIXPFCCommand * aCommand);
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// nsIXPFCCommandReceiver methods
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NS_IMETHOD_(nsEventStatus) Action(nsIXPFCCommand * aCommand);
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// nsIXMLParserObject methods
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NS_IMETHOD SetParameter(nsString& aKey, nsString& aValue) ;
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NS_IMETHOD_(nsIXPFCCanvas *) CanvasFromName(nsString& aName);
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NS_IMETHOD CreateView() ;
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/**
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* Get the font for this canvas
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* @result nsFont, the canvas font
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*/
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NS_IMETHOD_(nsFont&) GetFont() ;
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/**
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* Set the font for this canvas
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* @param aFont the nsFont for this canvas
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* @result nsresult, NS_OK if successful
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*/
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NS_IMETHOD SetFont(nsFont& aFont) ;
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/**
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* Get the font metrics for this canvas
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* @param nsIFontMetrics, the canvas font metrics
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* @result nsresult, NS_OK if successful
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*/
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NS_IMETHOD GetFontMetrics(nsIFontMetrics ** aFontMetrics) ;
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/**
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* Save canvas graphical state
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* @param aRenderingContext, rendering context to save state to
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* @result nsresult, NS_OK if successful
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*/
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NS_IMETHOD PushState(nsIRenderingContext& aRenderingContext) ;
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/**
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* Get and and set RenderingContext to this graphical state
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* @param aRenderingContext, rendering context to get previously saved state from
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* @return if PR_TRUE, indicates that the clipping region after
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* popping state is empty, else PR_FALSE
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*/
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NS_IMETHOD_(PRBool) PopState(nsIRenderingContext& aRenderingContext) ;
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NS_IMETHOD FindLargestTabGroup(PRUint32& aTabGroup);
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NS_IMETHOD FindLargestTabID(PRUint32 aTabGroup, PRUint32& aTabID);
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NS_IMETHOD_(PRBool) IsSplittable() ;
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NS_IMETHOD_(PRBool) IsOverSplittableRegion(nsPoint& aPoint) ;
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NS_IMETHOD_(nsCursor) GetCursor(void) ;
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NS_IMETHOD_(void) SetCursor(nsCursor aCursor) ;
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NS_IMETHOD_(nsCursor) GetDefaultCursor(nsPoint& aPoint) ;
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NS_IMETHOD_(nsSplittableOrientation) GetSplittableOrientation(nsPoint& aPoint) ;
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NS_IMETHOD BroadcastCommand(nsIXPFCCommand& aCommand);
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NS_IMETHOD SendCommand();
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// nsIImageRequestObserver
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virtual void Notify(nsIImageRequest *aImageRequest,
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nsIImage *aImage,
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nsImageNotification aNotificationType,
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PRInt32 aParam1, PRInt32 aParam2,
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void *aParam3);
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virtual void NotifyError(nsIImageRequest *aImageRequest,
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nsImageError aErrorType);
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NS_IMETHOD_(nsEventStatus) ProcessCommand(nsIXPFCCommand * aCommand) ;
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#if defined(DEBUG) && defined(XP_PC)
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NS_IMETHOD DumpCanvas(FILE * f, PRUint32 indent) ;
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#endif
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NS_IMETHOD LoadView(const nsCID &aViewClassIID,
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const nsCID * aWidgetClassIID = nsnull,
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nsIView * aParent = nsnull,
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nsWidgetInitData * aInitData = nsnull,
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nsNativeWidget aNativeWidget = nsnull);
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protected:
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~nsXPFCCanvas();
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NS_IMETHOD CreateImageGroup();
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NS_IMETHOD CreateDefaultLayout();
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NS_IMETHOD_(nsIImageRequest *) RequestImage(nsString aUrl);
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public:
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PRBool Create(const nsRect& rect,
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nsIView * aParent);
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private:
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nsILayout * mLayout;
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nsIArray * mChildWidgets ;
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nscolor mBackgroundColor;
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nscolor mForegroundColor;
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nscolor mBorderColor;
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nsSize mPreferredSize;
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nsSize mMaximumSize;
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nsSize mMinimumSize;
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nsString mNameID;
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nsString mLabel;
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PRFloat64 mWeightMajor;
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PRFloat64 mWeightMinor;
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PRFloat64 mOpacity;
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PRBool mVisibility;
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nsFont mFont;
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PRUint32 mTabID;
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PRUint32 mTabGroup;
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nsIModel * mModel;
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nsString mCommand;
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nsXPFCDialogDataHandlerCommand* mDataCommand;
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protected:
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nsIRenderingContext *mRenderingContext;
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nsIXPFCCanvas *mParent;
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nsIImageRequest *mImageRequest;
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nsIImageGroup *mImageGroup;
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nsRect mBounds;
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public:
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nsIView *mView;
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};
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#endif /* nsXPFCCanvas_h___ */
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