зеркало из https://github.com/mozilla/pjs.git
185 строки
6.5 KiB
C++
185 строки
6.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla 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/MPL/
|
|
*
|
|
* 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 of 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 MPL, 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 MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
/* rendering objects for replaced elements implemented by a plugin */
|
|
|
|
#ifndef nsObjectFrame_h___
|
|
#define nsObjectFrame_h___
|
|
|
|
#ifdef XP_WIN
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
#include "nsIObjectFrame.h"
|
|
#include "nsFrame.h"
|
|
|
|
#ifdef ACCESSIBILITY
|
|
class nsIAccessible;
|
|
#endif
|
|
|
|
class nsPluginInstanceOwner;
|
|
class nsIPluginHost;
|
|
class nsIPluginInstance;
|
|
class nsPresContext;
|
|
|
|
#define nsObjectFrameSuper nsFrame
|
|
|
|
class nsObjectFrame : public nsObjectFrameSuper, public nsIObjectFrame {
|
|
public:
|
|
friend nsIFrame* NS_NewObjectFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
|
|
|
|
// nsISupports
|
|
NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
|
|
|
|
NS_IMETHOD Init(nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsIFrame* aPrevInFlow);
|
|
virtual nscoord GetMinWidth(nsIRenderingContext *aRenderingContext);
|
|
virtual nscoord GetPrefWidth(nsIRenderingContext *aRenderingContext);
|
|
NS_IMETHOD Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
NS_IMETHOD DidReflow(nsPresContext* aPresContext,
|
|
const nsHTMLReflowState* aReflowState,
|
|
nsDidReflowStatus aStatus);
|
|
NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
|
const nsRect& aDirtyRect,
|
|
const nsDisplayListSet& aLists);
|
|
|
|
void PrintPlugin(nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect);
|
|
void PaintPlugin(nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect);
|
|
|
|
NS_IMETHOD HandleEvent(nsPresContext* aPresContext,
|
|
nsGUIEvent* aEvent,
|
|
nsEventStatus* aEventStatus);
|
|
|
|
virtual nsIAtom* GetType() const;
|
|
virtual PRBool IsFrameOfType(PRUint32 aFlags) const;
|
|
virtual PRBool SupportsVisibilityHidden() { return PR_FALSE; }
|
|
virtual PRBool NeedsView() { return PR_TRUE; }
|
|
virtual nsresult CreateWidgetForView(nsIView* aView);
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHOD GetFrameName(nsAString& aResult) const;
|
|
#endif
|
|
|
|
virtual void Destroy();
|
|
|
|
NS_IMETHOD GetPluginInstance(nsIPluginInstance*& aPluginInstance);
|
|
virtual nsresult Instantiate(nsIChannel* aChannel, nsIStreamListener** aStreamListener);
|
|
virtual nsresult Instantiate(const char* aMimeType, nsIURI* aURI);
|
|
virtual void StopPlugin();
|
|
|
|
|
|
/* fail on any requests to get a cursor from us because plugins set their own! see bug 118877 */
|
|
NS_IMETHOD GetCursor(const nsPoint& aPoint, nsIFrame::Cursor& aCursor)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
};
|
|
|
|
// accessibility support
|
|
#ifdef ACCESSIBILITY
|
|
NS_IMETHOD GetAccessible(nsIAccessible** aAccessible);
|
|
#ifdef XP_WIN
|
|
NS_IMETHOD GetPluginPort(HWND *aPort);
|
|
#endif
|
|
#endif
|
|
|
|
//local methods
|
|
nsresult CreateWidget(nscoord aWidth, nscoord aHeight, PRBool aViewOnly);
|
|
|
|
// for a given aRoot, this walks the frame tree looking for the next outFrame
|
|
static nsIObjectFrame* GetNextObjectFrame(nsPresContext* aPresContext,
|
|
nsIFrame* aRoot);
|
|
|
|
protected:
|
|
// nsISupports
|
|
NS_IMETHOD_(nsrefcnt) AddRef(void);
|
|
NS_IMETHOD_(nsrefcnt) Release(void);
|
|
|
|
nsObjectFrame(nsStyleContext* aContext) : nsObjectFrameSuper(aContext) {}
|
|
virtual ~nsObjectFrame();
|
|
|
|
// NOTE: This frame class does not inherit from |nsLeafFrame|, so
|
|
// this is not a virtual method implementation.
|
|
void GetDesiredSize(nsPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsHTMLReflowMetrics& aDesiredSize);
|
|
|
|
nsresult InstantiatePlugin(nsIPluginHost* aPluginHost,
|
|
const char* aMimetype,
|
|
nsIURI* aURL);
|
|
|
|
/**
|
|
* Adjust the plugin's idea of its size, using aSize as its new size.
|
|
* (aSize must be in twips)
|
|
*/
|
|
void FixupWindow(const nsSize& aSize);
|
|
|
|
PRBool IsFocusable(PRInt32 *aTabIndex = nsnull, PRBool aWithMouse = PR_FALSE);
|
|
|
|
// check attributes and optionally CSS to see if we should display anything
|
|
PRBool IsHidden(PRBool aCheckVisibilityStyle = PR_TRUE) const;
|
|
|
|
void NotifyContentObjectWrapper();
|
|
|
|
nsPoint GetWindowOriginInPixels(PRBool aWindowless);
|
|
|
|
/**
|
|
* Makes sure that mInstanceOwner is valid and without a current plugin
|
|
* instance. Essentially, this prepares the frame to receive a new plugin.
|
|
*/
|
|
NS_HIDDEN_(nsresult) PrepareInstanceOwner();
|
|
|
|
friend class nsPluginInstanceOwner;
|
|
private:
|
|
nsPluginInstanceOwner *mInstanceOwner;
|
|
nsRect mWindowlessRect;
|
|
|
|
#ifdef DEBUG
|
|
// For assertions that make it easier to determine if a crash is due
|
|
// to the underlying problem described in bug 136927.
|
|
PRBool mInstantiating;
|
|
#endif
|
|
};
|
|
|
|
|
|
#endif /* nsObjectFrame_h___ */
|