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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* 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 the Mozilla browser.
*
* The Initial Developer of the Original Code is Netscape
* Communications, Inc. Portions created by Netscape are
* Copyright (C) 1999, Mozilla. All Rights Reserved.
*
* Contributor(s):
*
*/
#ifndef webshell____h
#define webshell____h
#include "nsError.h"
#include "nsIWebShellServices.h"
#include "nsIWebShell.h"
#include "nsILinkHandler.h"
#include "nsIClipboardCommands.h"
#include "nsDocShell.h"
#include "nsICommandManager.h"
#include "nsIIOService.h"
#include "nsCRT.h"
#include "nsIDocumentLoader.h"
class nsIEventQueue;
class nsIController;
struct PRThread;
struct OnLinkClickEvent;
typedef enum {
eCharsetReloadInit,
eCharsetReloadRequested,
eCharsetReloadStopOrigional
} eCharsetReloadState;
#define NS_ERROR_WEBSHELL_REQUEST_REJECTED NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_GENERAL,1001)
class nsWebShell : public nsDocShell,
public nsIWebShell,
public nsIWebShellContainer,
public nsIWebShellServices,
public nsILinkHandler,
public nsIClipboardCommands
{
public:
nsWebShell();
virtual ~nsWebShell();
NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIINTERFACEREQUESTOR
NS_DECL_NSICLIPBOARDCOMMANDS
NS_DECL_NSIWEBSHELLSERVICES
// nsIWebShell
NS_IMETHOD SetContainer(nsIWebShellContainer* aContainer);
NS_IMETHOD GetContainer(nsIWebShellContainer*& aResult);
NS_IMETHOD GetDocumentLoader(nsIDocumentLoader*& aResult);
// nsILinkHandler
NS_IMETHOD OnLinkClick(nsIContent* aContent,
nsLinkVerb aVerb,
nsIURI* aURI,
const PRUnichar* aTargetSpec,
nsIInputStream* aPostDataStream = 0,
nsIInputStream* aHeadersDataStream = 0);
NS_IMETHOD OnLinkClickSync(nsIContent* aContent,
nsLinkVerb aVerb,
nsIURI* aURI,
const PRUnichar* aTargetSpec,
nsIInputStream* aPostDataStream = 0,
nsIInputStream* aHeadersDataStream = 0,
nsIDocShell** aDocShell = 0,
nsIRequest** aRequest = 0);
NS_IMETHOD OnOverLink(nsIContent* aContent,
nsIURI* aURI,
const PRUnichar* aTargetSpec);
NS_IMETHOD OnLeaveLink();
NS_IMETHOD GetLinkState(nsIURI* aLinkURI, nsLinkState& aState);
NS_IMETHOD Create();
NS_IMETHOD Destroy();
// nsWebShell
nsresult GetEventQueue(nsIEventQueue **aQueue);
static nsEventStatus PR_CALLBACK HandleEvent(nsGUIEvent *aEvent);
// NS_IMETHOD SetURL(const PRUnichar* aURL);
friend struct OnLinkClickEvent;
protected:
// void GetRootWebShellEvenIfChrome(nsIWebShell** aResult);
void InitFrameData();
// helpers for executing commands
virtual nsresult GetControllerForCommand ( const char *inCommand, nsIController** outController );
virtual nsresult IsCommandEnabled ( const char * inCommand, PRBool* outEnabled );
virtual nsresult DoCommand ( const char * inCommand );
nsresult EnsureCommandHandler();
//
// Helper method that is called when a new document (including any
// sub-documents - ie. frames) has been completely loaded.
//
virtual nsresult EndPageLoad(nsIWebProgress *aProgress,
nsIChannel* channel,
nsresult aStatus);
PRThread *mThread;
nsIWebShellContainer* mContainer;
nsCOMPtr<nsIDocumentLoader> mDocLoader;
eCharsetReloadState mCharsetReloadState;
nsISupports* mHistoryState; // Weak reference. Session history owns this.
nsresult CreateViewer(nsIRequest* request,
const char* aContentType,
const char* aCommand,
nsIStreamListener** aResult);
nsCOMPtr<nsICommandManager> mCommandManager;
#ifdef DEBUG
private:
// We're counting the number of |nsWebShells| to help find leaks
static unsigned long gNumberOfWebShells;
#endif /* DEBUG */
};
#endif /* webshell____h */
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