pjs/webshell/public/nsIContentViewer.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (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 Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are Copyright (C) 1998
* Netscape Communications Corporation. All Rights Reserved.
*/
#ifndef nsIContentViewer_h___
#define nsIContentViewer_h___
#include "nsweb.h"
#include "nsIWidget.h"
#include "nsIScrollableView.h"
class nsIWebShell;
// Forward declarations...
class nsIDeviceContext;
class nsIPref;
class nsString;
struct nsRect;
class nsIContentViewerContainer;
// IID for the nsIContentViewer interface
#define NS_ICONTENT_VIEWER_IID \
{ 0xa6cf9056, 0x15b3, 0x11d2,{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
/**
* Content viewer interface. When a stream of data is to be presented
* visually to the user, a content viewer is found for the underlying
* mime-type associated with the data in the stream. This interface
* defines the capabilities of the viewer.
*/
class nsIContentViewer : public nsISupports
{
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICONTENT_VIEWER_IID)
/**
* Initialize the content viewer. Make it a child of the
* the given native parent widget.
*/
NS_IMETHOD Init(nsNativeWidget aNativeParent,
nsIDeviceContext* aDeviceContext,
nsIPref* aPrefs,
const nsRect& aBounds,
nsScrollPreference aScrolling = nsScrollPreference_kAuto)=0;
NS_IMETHOD BindToDocument(nsISupports* aDoc, const char* aCommand) = 0;
NS_IMETHOD SetContainer(nsIContentViewerContainer* aContainer) = 0;
NS_IMETHOD GetContainer(nsIContentViewerContainer*& aContainerResult) = 0;
NS_IMETHOD Stop(void) = 0;
NS_IMETHOD GetBounds(nsRect& aBounds) = 0;
NS_IMETHOD SetBounds(const nsRect& aBounds) = 0;
NS_IMETHOD Move(PRInt32 aX, PRInt32 aY) = 0;
NS_IMETHOD Show(void) = 0;
NS_IMETHOD Hide(void) = 0;
/**
* Top lever print for the Content viewer,
* this is called by the chrome, etc for printing this Content view
* @update 05/13/99 dwc
* @return Success or failure of the routine
*/
NS_IMETHOD Print(void) = 0;
/**
* Prints the actual content only if the container WebShell is a leaf..
* If it is not a leaf node, it will visit all the childern and call the PrintConent for each child.
* this method should only be called by the Print or PrintContext, so it is not really used by any
* embedding application or object, etc.
* @update 05/13/99 dwc
* @param aParent -- Parent WebShell of this ContentViewer
* @param aDCContext -- The device context to use for printing.
* @return Success or failure of the routine
*/
NS_IMETHOD PrintContent(nsIWebShell *aParent,nsIDeviceContext *aDContext) = 0;
NS_IMETHOD SetEnableRendering(PRBool aOn) = 0;
NS_IMETHOD GetEnableRendering(PRBool* aResult) = 0;
};
#endif /* nsIContentViewer_h___ */