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pjs/docshell/base/nsDocShell.h

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/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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):
* Travis Bogard <travis@netscape.com>
*/
#ifndef nsDocShell_h__
#define nsDocShell_h__
#include "nsIParser.h" // for nsCharSetSource
#include "nsIPresShell.h"
#include "nsIDOMNode.h"
#include "nsIDOMNodeList.h"
#include "nsIViewManager.h"
#include "nsIScrollableView.h"
#include "nsIContentViewer.h"
#include "nsIPref.h"
#include "nsVoidArray.h"
#include "nsCDocShell.h"
#include "nsIDocShellTreeOwner.h"
#include "nsIContentViewerContainer.h"
#include "nsIDeviceContext.h"
#include "nsIDocumentLoader.h"
#include "nsIDocumentLoaderObserver.h"
// Local Includes
#include "nsDSURIContentListener.h"
#include "nsDSWebProgressListener.h"
// Helper Classes
#include "nsCOMPtr.h"
#include "nsPoint.h" // mCurrent/mDefaultScrollbarPreferences
#include "nsString.h"
// Interfaces Needed
#include "nsIDocumentCharsetInfo.h"
#include "nsIGlobalHistory.h"
#include "nsIInterfaceRequestor.h"
#include "nsIRefreshURI.h"
#include "nsIScriptGlobalObject.h"
#include "nsIScriptGlobalObjectOwner.h"
#include "nsISHistory.h"
#include "nsIStringBundle.h"
#include "nsISupportsArray.h"
#include "nsITimerCallback.h"
#include "nsIWebNavigation.h"
#include "nsIWebProgress.h"
#include "nsIWebProgressListener.h"
//*****************************************************************************
//*** nsRefreshTimer
//*****************************************************************************
class nsRefreshTimer : public nsITimerCallback
{
public:
nsRefreshTimer();
NS_DECL_ISUPPORTS
// nsITimerCallback interface
NS_IMETHOD_(void) Notify(nsITimer *timer);
nsCOMPtr<nsIDocShell> mDocShell;
nsCOMPtr<nsIURI> mURI;
PRBool mRepeat;
PRInt32 mDelay;
protected:
virtual ~nsRefreshTimer();
};
//*****************************************************************************
//*** nsDocShellInitInfo
//*****************************************************************************
class nsDocShellInitInfo
{
public:
//nsIGenericWindow Stuff
PRInt32 x;
PRInt32 y;
PRInt32 cx;
PRInt32 cy;
};
//*****************************************************************************
//*** nsDocShell
//*****************************************************************************
class nsDocShell : public nsIDocShell,
public nsIDocShellTreeItem,
public nsIDocShellTreeNode,
public nsIWebNavigation,
public nsIWebProgress,
public nsIBaseWindow,
public nsIScrollable,
public nsITextScroll,
public nsIContentViewerContainer,
public nsIInterfaceRequestor,
public nsIScriptGlobalObjectOwner,
public nsIRefreshURI
{
friend class nsDSURIContentListener;
friend class nsDSWebProgressListener;
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDOCSHELL
NS_DECL_NSIDOCSHELLTREEITEM
NS_DECL_NSIDOCSHELLTREENODE
NS_DECL_NSIWEBNAVIGATION
NS_DECL_NSIWEBPROGRESS
NS_DECL_NSIBASEWINDOW
NS_DECL_NSISCROLLABLE
NS_DECL_NSITEXTSCROLL
NS_DECL_NSIINTERFACEREQUESTOR
NS_DECL_NSISCRIPTGLOBALOBJECTOWNER
// nsIRefreshURI
NS_IMETHOD RefreshURI(nsIURI *aURI, PRInt32 aDelay, PRBool aRepeat);
NS_IMETHOD CancelRefreshURITimers();
// XXX: move to a macro
// nsIContentViewerContainer
NS_IMETHOD Embed(nsIContentViewer* aDocViewer,
const char* aCommand,
nsISupports* aExtraInfo);
static NS_METHOD Create(nsISupports* aOuter, const nsIID& aIID, void** ppv);
protected:
// Object Management
nsDocShell();
virtual ~nsDocShell();
NS_IMETHOD DestroyChildren();
// Content Viewer Management
NS_IMETHOD EnsureContentViewer();
NS_IMETHOD EnsureDeviceContext();
NS_IMETHOD CreateAboutBlankContentViewer();
NS_IMETHOD CreateContentViewer(const char* aContentType,
nsIChannel* aOpenedChannel, nsIStreamListener** aContentHandler);
NS_IMETHOD NewContentViewerObj(const char* aContentType,
nsIChannel* aOpenedChannel, nsILoadGroup* aLoadGroup,
nsIStreamListener** aContentHandler, nsIContentViewer** aViewer);
NS_IMETHOD SetupNewViewer(nsIContentViewer* aNewViewer);
// Site Loading
typedef enum
{
loadNormal, // Normal Load
loadNormalReplace, // Normal Load but replaces current history slot
loadHistory, // Load from history
loadReloadNormal, // Reload
loadReloadBypassCache,
loadReloadBypassProxy,
loadRelaodBypassProxyAndCache,
loadLink
} loadType;
NS_IMETHOD InternalLoad(nsIURI* aURI, nsIURI* aReferrerURI,
const char* aWindowTarget=nsnull, nsIInputStream* aPostData=nsnull,
loadType aLoadType=loadNormal);
NS_IMETHOD CreateFixupURI(const PRUnichar* aStringURI, nsIURI** aURI);
NS_IMETHOD FileURIFixup(const PRUnichar* aStringURI, nsIURI** aURI);
NS_IMETHOD ConvertFileToStringURI(nsString& aIn, nsString& aOut);
NS_IMETHOD ConvertStringURIToFileCharset(nsString& aIn, nsCString& aOut);
NS_IMETHOD KeywordURIFixup(const PRUnichar* aStringURI, nsIURI** aURI);
NS_IMETHOD DoURILoad(nsIURI* aURI, nsIURI* aReferrer,
nsURILoadCommand aLoadCmd, const char* aWindowTarget,
nsIInputStream* aPostData);
NS_IMETHOD StopCurrentLoads();
NS_IMETHOD ScrollIfAnchor(nsIURI* aURI, PRBool* aWasAnchor);
NS_IMETHOD OnLoadingSite(nsIChannel* aChannel);
virtual void SetCurrentURI(nsIURI* aURI);
virtual void SetReferrerURI(nsIURI* aURI);
// Session History
NS_IMETHOD ShouldAddToSessionHistory(nsIURI* aURI, PRBool* aShouldAdd);
NS_IMETHOD ShouldPersistInSessionHistory(nsIURI* aURI, PRBool* aShouldPersist);
NS_IMETHOD AddToSessionHistory(nsIURI* aURI);
NS_IMETHOD UpdateCurrentSessionHistory();
NS_IMETHOD LoadHistoryEntry(nsISHEntry* aEntry);
// Global History
NS_IMETHOD EnsureGlobalHistory();
NS_IMETHOD ShouldAddToGlobalHistory(nsIURI* aURI, PRBool* aShouldAdd);
NS_IMETHOD AddToGlobalHistory(nsIURI* aURI);
NS_IMETHOD UpdateCurrentGlobalHistory();
// WebProgressListener Management
NS_IMETHOD EnsureWebProgressListener();
NS_IMETHOD FireOnProgressChange(nsIChannel* aChannel,
PRInt32 aCurSelfProgress, PRInt32 aMaxSelfProgress,
PRInt32 aCurTotalProgress, PRInt32 aMaxTotalProgress);
NS_IMETHOD FireOnChildProgressChange(nsIChannel* aChannel,
PRInt32 aCurSelfProgress, PRInt32 aMaxSelfProgress);
NS_IMETHOD FireOnStatusChange(nsIChannel* aChannel, PRInt32 aProgressStatusFlags);
NS_IMETHOD FireOnChildStatusChange(nsIChannel* aChannel,
PRInt32 aProgressStatusFlags);
NS_IMETHOD FireOnLocationChange(nsIURI* aURI);
// Helper Routines
nsDocShellInitInfo* InitInfo();
NS_IMETHOD GetStringBundle(nsIStringBundle** aStringBundle);
NS_IMETHOD GetChildOffset(nsIDOMNode* aChild, nsIDOMNode* aParent,
PRInt32* aOffset);
NS_IMETHOD GetRootScrollableView(nsIScrollableView** aOutScrollView);
NS_IMETHOD EnsureContentListener();
NS_IMETHOD EnsureScriptEnvironment();
NS_IMETHOD FireStartDocumentLoad(nsIDocumentLoader* aLoader,
nsIURI* aURL,
const char* aCommand);
NS_IMETHOD FireEndDocumentLoad(nsIDocumentLoader* aLoader,
nsIChannel* aChannel,
nsresult aStatus);
NS_IMETHOD InsertDocumentInDocTree();
PRBool IsFrame();
protected:
nsString mName;
nsString mTitle;
nsVoidArray mChildren;
nsVoidArray mRefreshURIList;
nsDSURIContentListener* mContentListener;
nsDSWebProgressListener* mWebProgressListener;
nsDocShellInitInfo* mInitInfo;
nsCOMPtr<nsIContentViewer> mContentViewer;
nsCOMPtr<nsIDocumentCharsetInfo> mDocumentCharsetInfo;
nsCOMPtr<nsIDeviceContext> mDeviceContext;
nsCOMPtr<nsIDocumentLoader>mDocLoader;
nsCOMPtr<nsIDocumentLoaderObserver> mDocLoaderObserver;
nsCOMPtr<nsIWidget> mParentWidget;
nsCOMPtr<nsIPref> mPrefs;
nsCOMPtr<nsIURI> mCurrentURI;
nsCOMPtr<nsIURI> mReferrerURI;
nsCOMPtr<nsIScriptGlobalObject> mScriptGlobal;
nsCOMPtr<nsIScriptContext> mScriptContext;
nsCOMPtr<nsISHistory> mSessionHistory;
nsCOMPtr<nsIGlobalHistory> mGlobalHistory;
nsCOMPtr<nsISupportsArray> mWebProgressListenerList;
nsCOMPtr<nsISupports> mLoadCookie; // the load cookie associated with the window context.
PRInt32 mMarginWidth;
PRInt32 mMarginHeight;
PRInt32 mItemType;
nsPoint mCurrentScrollbarPref; // this document only
nsPoint mDefaultScrollbarPref; // persistent across doc loads
loadType mLoadType;
PRBool mInitialPageLoad;
PRBool mAllowPlugins;
PRInt32 mViewMode;
// this flag is for bug #21358. a docshell may load many urls
// which don't result in new documents being created (i.e. a new content viewer)
// we want to make sure we don't call a on load event more than once for a given
// content viewer.
PRBool mEODForCurrentDocument;
/* WEAK REFERENCES BELOW HERE.
Note these are intentionally not addrefd. Doing so will create a cycle.
For that reasons don't use nsCOMPtr.*/
nsIDocShellTreeItem* mParent; // Weak Reference
nsIDocShellTreeOwner* mTreeOwner; // Weak Reference
nsIWebProgressListener* mOwnerProgressListener; // Weak Reference
nsIChromeEventHandler* mChromeEventHandler; //Weak Reference
};
#endif /* nsDocShell_h__ */
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