gecko-dev/layout/generic/nsObjectFrame.h
2003-04-12 15:03:08 +00:00

197 lines
7.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsObjectFrame_h___
#define nsObjectFrame_h___
#include "nsHTMLParts.h"
#include "nsHTMLContainerFrame.h"
#include "nsIPresContext.h"
#include "nsIPresShell.h"
#include "nsIPluginHost.h"
#include "nsplugin.h"
#include "nsIWidget.h"
#include "nsIObjectFrame.h"
#ifdef ACCESSIBILITY
class nsIAccessible;
#endif
class nsPluginInstanceOwner;
#define nsObjectFrameSuper nsHTMLContainerFrame
class nsObjectFrame : public nsObjectFrameSuper, public nsIObjectFrame {
public:
// nsISupports
NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
NS_IMETHOD SetInitialChildList(nsIPresContext* aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList);
NS_IMETHOD Init(nsIPresContext* aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsStyleContext* aContext,
nsIFrame* aPrevInFlow);
NS_IMETHOD Reflow(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
NS_IMETHOD DidReflow(nsIPresContext* aPresContext,
const nsHTMLReflowState* aReflowState,
nsDidReflowStatus aStatus);
NS_IMETHOD Paint(nsIPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
PRUint32 aFlags = 0);
NS_IMETHOD HandleEvent(nsIPresContext* aPresContext,
nsGUIEvent* aEvent,
nsEventStatus* aEventStatus);
NS_IMETHOD Scrolled(nsIView *aView);
NS_IMETHOD GetFrameType(nsIAtom** aType) const;
virtual PRBool SupportsVisibilityHidden() { return PR_FALSE; }
#ifdef DEBUG
NS_IMETHOD GetFrameName(nsAString& aResult) const;
#endif
NS_IMETHOD Destroy(nsIPresContext* aPresContext);
NS_IMETHOD ContentChanged(nsIPresContext* aPresContext,
nsIContent* aChild,
nsISupports* aSubContent);
NS_IMETHOD GetPluginInstance(nsIPluginInstance*& aPluginInstance);
/* fail on any requests to get a cursor from us because plugins set their own! see bug 118877 */
NS_IMETHOD GetCursor(nsIPresContext* aPresContext, nsPoint& aPoint, PRInt32& aCursor)
{ return NS_ERROR_NOT_IMPLEMENTED; };
//i18n helper
nsresult MakeAbsoluteURL(nsIURI* *aFullURI,
nsString aSrc,
nsIURI* aBaseURI);
// accessibility support
#ifdef ACCESSIBILITY
NS_IMETHOD GetAccessible(nsIAccessible** aAccessible);
#ifdef XP_WIN
NS_IMETHOD GetPluginPort(HWND *aPort);
#endif
#endif
//local methods
nsresult CreateWidget(nsIPresContext* aPresContext,
nscoord aWidth,
nscoord aHeight,
PRBool aViewOnly);
nsresult GetFullURL(nsIURI*& aFullURL);
PRBool IsSupportedImage(nsIContent* aContent);
void IsSupportedDocument(nsIContent* aContent, PRBool* aDoc);
// for a given aRoot, this walks the frame tree looking for the next outFrame
nsresult GetNextObjectFrame(nsIPresContext* aPresContext,
nsIFrame* aRoot,
nsIObjectFrame** outFrame);
void FixUpURLS(const nsString &name, nsString &value);
protected:
// nsISupports
NS_IMETHOD_(nsrefcnt) AddRef(void);
NS_IMETHOD_(nsrefcnt) Release(void);
virtual ~nsObjectFrame();
virtual PRIntn GetSkipSides() const;
// NOTE: This frame class does not inherit from |nsLeafFrame|, so
// this is not a virtual method implementation.
void GetDesiredSize(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aDesiredSize);
nsresult SetFullURL(nsIURI* aURL);
nsresult InstantiateWidget(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsCID aWidgetCID);
nsresult InstantiatePlugin(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsIPluginHost* aPluginHost,
const char* aMimetype,
nsIURI* aURL);
nsresult ReinstantiatePlugin(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState);
nsresult HandleChild(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus,
nsIFrame* child);
nsresult GetBaseURL(nsIURI* &aURL);
// check attributes and optionally CSS to see if we should display anything
PRBool IsHidden(PRBool aCheckVisibilityStyle = PR_TRUE) const;
nsresult NotifyContentObjectWrapper();
nsresult GetWindowOriginInPixels(nsIPresContext * aPresContext, PRBool aWindoless, nsPoint* aOrigin);
friend class nsPluginInstanceOwner;
nsIPresContext *mPresContext; // weak ref
private:
nsPluginInstanceOwner *mInstanceOwner;
nsCOMPtr<nsIURI> mFullURL;
nsIFrame *mFirstChild;
nsCOMPtr<nsIWidget> mWidget;
nsRect mWindowlessRect;
};
#endif /* nsObjectFrame_h___ */