gecko-dev/webshell/public/nsIWebShell.h
2000-03-29 09:49:24 +00:00

250 lines
7.8 KiB
C++

/* -*- 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 1.1 (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 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.
*
* Contributor(s):
*/
#ifndef nsIWebShell_h___
#define nsIWebShell_h___
#include "nsweb.h"
#include "nsIWidget.h"
#include "nsIParser.h"
#include "nsIScrollableView.h"
#include "nsIContentViewerContainer.h"
#include "nsIChannel.h"
#include "nsIScrollableView.h"
#include "nsISessionHistory.h"
#include "nsIUrlDispatcher.h"
class nsIDOMElement;
class nsIDOMWindow;
class nsIFactory;
//class nsIPostData;
class nsIStreamObserver;
class nsIDocumentLoader;
class nsIDocumentLoaderObserver;
class nsIWebShell;
class nsIWebShellContainer;
class nsIContent;
class nsIURIContentListener;
class nsIDOMDocument;
class nsIChromeEventHandler;
// Interface ID for nsIWebShell
#define NS_IWEB_SHELL_IID \
{ 0xa6cf9058, 0x15b3, 0x11d2,{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
// Interface ID for nsIWebShellContainer
#define NS_IWEB_SHELL_CONTAINER_IID \
{ 0xa6cf905a, 0x15b3, 0x11d2,{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
// Class ID for an implementation of nsIWebShell
#define NS_WEB_SHELL_CID \
{ 0xa6cf9059, 0x15b3, 0x11d2,{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
//----------------------------------------------------------------------
typedef enum {
nsLoadURL,
nsLoadHistory,
nsLoadLink,
nsLoadRefresh
} nsLoadType;
// Container for web shell's
class nsIWebShellContainer : public nsISupports {
public:
static const nsIID& GetIID() { static nsIID iid = NS_IWEB_SHELL_CONTAINER_IID; return iid; }
// History control
NS_IMETHOD WillLoadURL(nsIWebShell* aShell,
const PRUnichar* aURL,
nsLoadType aReason) = 0;
NS_IMETHOD BeginLoadURL(nsIWebShell* aShell,
const PRUnichar* aURL) = 0;
NS_IMETHOD ProgressLoadURL(nsIWebShell* aShell,
const PRUnichar* aURL,
PRInt32 aProgress,
PRInt32 aProgressMax) = 0;
NS_IMETHOD EndLoadURL(nsIWebShell* aShell,
const PRUnichar* aURL,
nsresult aStatus) = 0;
};
// Return value from WillLoadURL
#define NS_WEB_SHELL_CANCEL_URL_LOAD 0xC0E70000
//----------------------------------------------------------------------
/**
* The web shell is a container for implementations of nsIContentViewer.
* It is a content-viewer-container and also knows how to delegate certain
* behavior to an nsIWebShellContainer.
*
* Web shells can be arranged in a tree.
*
* Web shells are also nsIWebShellContainer's because they can contain
* other web shells.
*/
class nsIWebShell : public nsIContentViewerContainer {
public:
static const nsIID& GetIID() { static nsIID iid = NS_IWEB_SHELL_IID; return iid; }
/**
* Set the nsIWebShellContainer for the WebShell.
*/
NS_IMETHOD SetContainer(nsIWebShellContainer* aContainer) = 0;
/**
* Return the current nsIWebShellContainer.
*/
NS_IMETHOD GetContainer(nsIWebShellContainer*& aResult) = 0;
/**
* Returns the top level window (this would be the containing window
* the same object that implements nsIWebShellContainer, nsIWebShellWindow).
*/
NS_IMETHOD GetTopLevelWindow(nsIWebShellContainer** aTopLevelWindow) = 0;
/**
* Return the root WebShell instance. Since WebShells can be nested
* (when frames are present for example) this instance represents the
* outermost WebShell.
*/
NS_IMETHOD GetRootWebShell(nsIWebShell*& aResult) = 0;
/**
* Get the referrer of the link using this WebShell.
*/
NS_IMETHOD GetReferrer(nsIURI **aReferrer) = 0;
//
// Document load api's
//
/**
* Return the nsIDocumentLoader associated with the WebShell.
*/
NS_IMETHOD GetDocumentLoader(nsIDocumentLoader*& aResult) = 0;
/**
* Load the document associated with the specified URL into the WebShell.
*/
NS_IMETHOD LoadURL(const PRUnichar *aURLSpec,
nsIInputStream* aPostDataStream=nsnull,
PRBool aModifyHistory=PR_TRUE,
nsLoadFlags aType = nsIChannel::LOAD_NORMAL,
const PRUint32 aLocalIP=0,
nsISupports * aHistoryState=nsnull,
const PRUnichar* aReferrer=nsnull) = 0;
/**
* Load the document associated with the specified URL into the WebShell.
*/
NS_IMETHOD LoadURL(const PRUnichar *aURLSpec,
const char* aCommand,
nsIInputStream* aPostDataStream=nsnull,
PRBool aModifyHistory=PR_TRUE,
nsLoadFlags aType = nsIChannel::LOAD_NORMAL,
const PRUint32 aLocalIP=0,
nsISupports * aHistoryState=nsnull,
const PRUnichar* aReferrer=nsnull,
const char * aWindowTarget = nsnull) = 0;
/**
* Load the document with the specified URI into the WebShell. Assuming you have
* an nsIURI instead of a PRUnichar string, this is the preferred way to load a url.
*/
NS_IMETHOD LoadURI(nsIURI * aUri,
const char * aCommand,
nsIInputStream* aPostDataStream=nsnull,
PRBool aModifyHistory=PR_TRUE,
nsLoadFlags aType = nsIChannel::LOAD_NORMAL,
const PRUint32 aLocalIP=0,
nsISupports * aHistoryState=nsnull,
const PRUnichar* aReferrer=nsnull,
const char * aWindowTarget = nsnull) = 0;
//
// History api's
//
/**
* Load the previous document in the history list.
*/
NS_IMETHOD GoTo(PRInt32 aHistoryIndex) = 0;
NS_IMETHOD GetHistoryLength(PRInt32& aResult) = 0;
NS_IMETHOD GetHistoryIndex(PRInt32& aResult) = 0;
NS_IMETHOD GetURL(PRInt32 aHistoryIndex, const PRUnichar **aURLResult) = 0;
// SetToolBar
// SetMenuBar
// SetStatusBar
/**
* Finds text in content
*/
NS_IMETHOD FindNext(const PRUnichar * aSearchStr, PRBool aMatchCase, PRBool aSearchDown, PRBool &aIsFound) = 0;
/**
* Set the URL of the current WebShell.
*/
NS_IMETHOD SetURL(const PRUnichar* aURL) = 0;
/**
* Return the handle to SessionHistory
*/
NS_IMETHOD GetSessionHistory(nsISessionHistory *& aResult) = 0;
/**
* Set a handle to SessionHistory
*/
NS_IMETHOD SetSessionHistory(nsISessionHistory * aSHist) = 0;
/* Set & Get Session History details */
NS_IMETHOD SetIsInSHist(PRBool aIsFrame) = 0;
NS_IMETHOD GetIsInSHist(PRBool& aIsFrame) = 0;
/**
* Get and set the history state for the document.
*/
NS_IMETHOD CaptureHistoryState(nsISupports** aLayoutHistoryState) = 0;
NS_IMETHOD GetHistoryState(nsISupports** aLayoutHistoryState) = 0;
NS_IMETHOD SetHistoryState(nsISupports* aLayoutHistoryState) = 0;
/**
* Notify children to fire unload events before root data gone
*/
NS_IMETHOD FireUnloadEvent(void) = 0;
};
extern "C" NS_WEB nsresult
NS_NewWebShellFactory(nsIFactory** aFactory);
#ifdef DETECT_WEBSHELL_LEAKS
extern "C" NS_WEB
unsigned long
NS_TotalWebShellsInExistence();
#endif
#endif /* nsIWebShell_h___ */