mirror of
https://github.com/mozilla/gecko-dev.git
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375 lines
14 KiB
C++
375 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Mozilla browser.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications, Inc. Portions created by Netscape are
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* Copyright (C) 1999, Mozilla. All Rights Reserved.
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*
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* Contributor(s):
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* Travis Bogard <travis@netscape.com>
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*/
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#ifndef nsDocShell_h__
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#define nsDocShell_h__
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#include "nsIParser.h" // for nsCharSetSource
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#include "nsIPresShell.h"
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#include "nsIDOMNode.h"
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#include "nsIDOMNodeList.h"
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#include "nsIViewManager.h"
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#include "nsIScrollableView.h"
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#include "nsIContentViewer.h"
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#include "nsIPref.h"
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#include "nsVoidArray.h"
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#include "nsIScriptContext.h"
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#include "nsCDocShell.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIContentViewerContainer.h"
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#include "nsIDeviceContext.h"
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#include "nsIDocumentLoader.h"
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#include "nsWeakReference.h"
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// Local Includes
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#include "nsDSURIContentListener.h"
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// Helper Classes
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#include "nsCOMPtr.h"
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#include "nsPoint.h" // mCurrent/mDefaultScrollbarPreferences
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#include "nsString.h"
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// Threshold value in ms for META refresh based redirects
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#define REFRESH_REDIRECT_TIMER 15000
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// Interfaces Needed
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#include "nsIDocumentCharsetInfo.h"
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#include "nsIDocCharset.h"
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#include "nsIGlobalHistory.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIPrompt.h"
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#include "nsIRefreshURI.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIScriptGlobalObjectOwner.h"
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#include "nsISHistory.h"
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#include "nsIStringBundle.h"
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#include "nsISupportsArray.h"
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#include "nsITimerCallback.h"
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#include "nsIWebNavigation.h"
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#include "nsIWebProgressListener.h"
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#include "nsISHContainer.h"
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#include "nsIDocShellLoadInfo.h"
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#include "nsIDocShellHistory.h"
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#include "nsIURIFixup.h"
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#include "nsIWebBrowserFind.h"
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#define MAKE_LOAD_TYPE(type, flags) ((type) | ((flags) << 16))
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/* load commands */
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enum LoadCmd {
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LOAD_CMD_NORMAL = 0x1, // Normal load
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LOAD_CMD_RELOAD = 0x2, // Reload
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LOAD_CMD_HISTORY = 0x4 // Load from history
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};
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/* load types are legal combinations of load commands and flags */
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enum LoadType {
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LOAD_NORMAL = MAKE_LOAD_TYPE(LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_NONE),
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LOAD_NORMAL_REPLACE = MAKE_LOAD_TYPE(LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_REPLACE_HISTORY),
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LOAD_HISTORY = MAKE_LOAD_TYPE(LOAD_CMD_HISTORY, nsIWebNavigation::LOAD_FLAGS_NONE),
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LOAD_RELOAD_NORMAL = MAKE_LOAD_TYPE(LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_NONE),
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LOAD_RELOAD_BYPASS_CACHE = MAKE_LOAD_TYPE(LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE),
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LOAD_RELOAD_BYPASS_PROXY = MAKE_LOAD_TYPE(LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY),
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LOAD_RELOAD_BYPASS_PROXY_AND_CACHE = MAKE_LOAD_TYPE(LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE | nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY),
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LOAD_LINK = MAKE_LOAD_TYPE(LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_IS_LINK),
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LOAD_REFRESH = MAKE_LOAD_TYPE(LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_IS_REFRESH),
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LOAD_RELOAD_CHARSET_CHANGE = MAKE_LOAD_TYPE(LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_CHARSET_CHANGE),
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LOAD_BYPASS_HISTORY = MAKE_LOAD_TYPE(LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_BYPASS_HISTORY)
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};
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/* internally used ViewMode types */
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enum ViewMode {
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viewNormal = 0x0,
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viewSource = 0x1
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};
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//*****************************************************************************
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//*** nsRefreshTimer
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//*****************************************************************************
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class nsRefreshTimer : public nsITimerCallback
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{
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public:
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nsRefreshTimer();
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NS_DECL_ISUPPORTS
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// nsITimerCallback interface
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NS_IMETHOD_(void) Notify(nsITimer * timer);
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nsCOMPtr<nsIDocShell> mDocShell;
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nsCOMPtr<nsIURI> mURI;
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PRBool mRepeat;
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PRInt32 mDelay;
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PRBool mMetaRefresh;
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protected:
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virtual ~nsRefreshTimer();
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};
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//*****************************************************************************
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//*** nsDocShellInitInfo
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//*****************************************************************************
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class nsDocShellInitInfo
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{
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public:
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//nsIGenericWindow Stuff
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PRInt32 x;
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PRInt32 y;
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PRInt32 cx;
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PRInt32 cy;
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};
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//*****************************************************************************
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//*** nsDocShell
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//*****************************************************************************
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class nsDocShell : public nsIDocShell,
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public nsIDocShellTreeItem,
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public nsIDocShellTreeNode,
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public nsIDocShellHistory,
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public nsIWebNavigation,
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public nsIBaseWindow,
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public nsIScrollable,
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public nsITextScroll,
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public nsIDocCharset,
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public nsIContentViewerContainer,
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public nsIInterfaceRequestor,
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public nsIScriptGlobalObjectOwner,
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public nsIRefreshURI,
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public nsIWebProgressListener,
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public nsSupportsWeakReference
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{
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friend class nsDSURIContentListener;
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public:
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// Object Management
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nsDocShell();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOCSHELL
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NS_DECL_NSIDOCSHELLTREEITEM
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NS_DECL_NSIDOCSHELLTREENODE
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NS_DECL_NSIDOCSHELLHISTORY
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NS_DECL_NSIWEBNAVIGATION
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NS_DECL_NSIBASEWINDOW
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NS_DECL_NSISCROLLABLE
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NS_DECL_NSITEXTSCROLL
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NS_DECL_NSIDOCCHARSET
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NS_DECL_NSIINTERFACEREQUESTOR
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NS_DECL_NSISCRIPTGLOBALOBJECTOWNER
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NS_DECL_NSIWEBPROGRESSLISTENER
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NS_DECL_NSIREFRESHURI
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NS_DECL_NSICONTENTVIEWERCONTAINER
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nsresult SetLoadCookie(nsISupports * aCookie);
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nsresult GetLoadCookie(nsISupports ** aResult);
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// used when the docshell gets content that's being redirected (so we don't go through
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// our own InternalLoad method) to reset the load type...
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nsresult SetLoadType(PRUint32 aLoadType);
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nsDocShellInfoLoadType ConvertLoadTypeToDocShellLoadInfo(PRUint32 aLoadType);
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PRUint32 ConvertDocShellLoadInfoToLoadType(nsDocShellInfoLoadType aDocShellLoadType);
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protected:
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// Object Management
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virtual ~nsDocShell();
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NS_IMETHOD DestroyChildren();
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// Content Viewer Management
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NS_IMETHOD EnsureContentViewer();
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NS_IMETHOD EnsureDeviceContext();
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NS_IMETHOD CreateAboutBlankContentViewer();
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NS_IMETHOD CreateContentViewer(const char * aContentType,
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nsIRequest * request, nsIStreamListener ** aContentHandler);
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NS_IMETHOD NewContentViewerObj(const char * aContentType,
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nsIRequest * request, nsILoadGroup * aLoadGroup,
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nsIStreamListener ** aContentHandler, nsIContentViewer ** aViewer);
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NS_IMETHOD SetupNewViewer(nsIContentViewer * aNewViewer);
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NS_IMETHOD GetEldestPresContext(nsIPresContext** aPresContext);
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NS_IMETHOD CreateFixupURI(const PRUnichar * aStringURI, nsIURI ** aURI);
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NS_IMETHOD GetCurrentDocumentOwner(nsISupports ** aOwner);
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virtual nsresult DoURILoad(nsIURI * aURI,
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nsIURI * aReferrer,
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nsISupports * aOwner,
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nsURILoadCommand aLoadCmd,
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nsIInputStream * aPostData,
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nsIInputStream * aHeadersData);
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NS_IMETHOD AddHeadersToChannel(nsIInputStream * aHeadersData,
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nsIChannel * aChannel);
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virtual nsresult DoChannelLoad(nsIChannel * aChannel,
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nsURILoadCommand aLoadCmd,
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nsIURILoader * aURILoader);
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NS_IMETHOD ScrollIfAnchor(nsIURI * aURI, PRBool * aWasAnchor);
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NS_IMETHOD OnLoadingSite(nsIChannel * aChannel);
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NS_IMETHOD OnNewURI(nsIURI * aURI, nsIChannel * aChannel, PRUint32 aLoadType);
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virtual void SetCurrentURI(nsIURI * aURI);
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virtual void SetReferrerURI(nsIURI * aURI);
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// Session History
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virtual PRBool ShouldAddToSessionHistory(nsIURI * aURI);
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virtual nsresult AddToSessionHistory(nsIURI * aURI, nsIChannel * aChannel,
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nsISHEntry ** aNewEntry);
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NS_IMETHOD LoadHistoryEntry(nsISHEntry * aEntry, PRUint32 aLoadType);
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NS_IMETHOD PersistLayoutHistoryState();
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NS_IMETHOD CloneAndReplace(nsISHEntry * srcEntry, PRUint32 aCloneID,
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nsISHEntry * areplaceEntry, nsISHEntry ** destEntry);
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// Global History
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NS_IMETHOD ShouldAddToGlobalHistory(nsIURI * aURI, PRBool * aShouldAdd);
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NS_IMETHOD AddToGlobalHistory(nsIURI * aURI);
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NS_IMETHOD UpdateCurrentGlobalHistory();
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// Helper Routines
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nsDocShellInitInfo * InitInfo();
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NS_IMETHOD GetPromptAndStringBundle(nsIPrompt ** aPrompt,
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nsIStringBundle ** aStringBundle);
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NS_IMETHOD GetChildOffset(nsIDOMNode * aChild, nsIDOMNode * aParent,
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PRInt32 * aOffset);
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NS_IMETHOD GetRootScrollableView(nsIScrollableView ** aOutScrollView);
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NS_IMETHOD EnsureContentListener();
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NS_IMETHOD EnsureScriptEnvironment();
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NS_IMETHOD EnsureFind();
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static inline PRUint32
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PRTimeToSeconds(PRTime t_usec)
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{
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PRTime usec_per_sec;
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PRUint32 t_sec;
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LL_I2L(usec_per_sec, PR_USEC_PER_SEC);
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LL_DIV(t_usec, t_usec, usec_per_sec);
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LL_L2I(t_sec, t_usec);
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return t_sec;
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}
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virtual nsresult FindTarget(const PRUnichar *aTargetName,
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PRBool *aIsNewWindow,
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nsIDocShell **aResult);
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PRBool IsFrame();
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// DocShell Focus helpers
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void ForceUpdate(nsIDocShell* aDocShell);
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nsresult FindNextChildDoc(nsIDocShellTreeNode* aNode, PRBool aForward, nsIDocShell** aDocShell);
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PRBool FocusNextChild(nsIBaseWindow * aCurrentFocus, PRBool aForward);
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void MakeSureOfSetFocus(nsIBaseWindow * aCurrentFocus, nsIDocShell* aDocShell = nsnull);
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//
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// Helper method that is called when a new document (including any
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// sub-documents - ie. frames) has been completely loaded.
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//
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virtual nsresult EndPageLoad(nsIWebProgress * aProgress,
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nsIChannel * aChannel,
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nsresult aResult);
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protected:
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nsString mName;
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nsString mTitle;
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nsVoidArray mChildren;
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nsCOMPtr<nsISupportsArray> mRefreshURIList;
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nsDSURIContentListener * mContentListener;
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nsDocShellInitInfo * mInitInfo;
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nsCOMPtr<nsIContentViewer> mContentViewer;
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nsCOMPtr<nsIDocumentCharsetInfo> mDocumentCharsetInfo;
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nsCOMPtr<nsIDeviceContext> mDeviceContext;
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nsCOMPtr<nsIDocumentLoader>mDocLoader;
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nsCOMPtr<nsIWidget> mParentWidget;
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nsCOMPtr<nsIPref> mPrefs;
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nsCOMPtr<nsIURI> mCurrentURI;
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nsCOMPtr<nsIURI> mReferrerURI;
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nsCOMPtr<nsIScriptGlobalObject> mScriptGlobal;
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nsCOMPtr<nsIScriptContext> mScriptContext;
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nsCOMPtr<nsISHistory> mSessionHistory;
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nsCOMPtr<nsIGlobalHistory> mGlobalHistory;
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nsCOMPtr<nsISupports> mLoadCookie; // the load cookie associated with the window context.
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nsCOMPtr<nsIURIFixup> mURIFixup;
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nsCOMPtr<nsIWebBrowserFind> mFind;
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PRInt32 mMarginWidth;
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PRInt32 mMarginHeight;
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PRInt32 mItemType;
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nsPoint mCurrentScrollbarPref; // this document only
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nsPoint mDefaultScrollbarPref; // persistent across doc loads
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PRUint32 mLoadType;
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PRBool mAllowSubframes;
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PRPackedBool mAllowPlugins;
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PRPackedBool mAllowJavascript;
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PRPackedBool mAllowMetaRedirects;
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PRPackedBool mAllowImages;
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PRPackedBool mFocusDocFirst;
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PRUint32 mAppType;
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PRInt32 mChildOffset; // Offset in the parent's child list.
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PRUint32 mBusyFlags;
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PRPackedBool mHasFocus;
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// Reference to the SHEntry for this docshell until the page is destroyed.
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// Somebody give me better name
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nsCOMPtr<nsISHEntry> mOSHE;
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// Reference to the SHEntry for this docshell until the page is loaded
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// Somebody give me better name
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nsCOMPtr<nsISHEntry> mLSHE;
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PRBool mFiredUnloadEvent;
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// this flag is for bug #21358. a docshell may load many urls
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// which don't result in new documents being created (i.e. a new content viewer)
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// we want to make sure we don't call a on load event more than once for a given
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// content viewer.
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PRBool mEODForCurrentDocument;
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PRBool mURIResultedInDocument;
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// used to keep track of whether user click links should be handle by us
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// or immediately kicked out to an external application. mscott: eventually
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// i'm going to try to fold this up into the uriloader where it belongs but i haven't
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// figured out how to do that yet.
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PRBool mUseExternalProtocolHandler;
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// Disallow popping up new windows with target=
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PRBool mDisallowPopupWindows;
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// Validate window targets to prevent frameset spoofing
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PRBool mValidateOrigin;
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PRBool mIsBeingDestroyed;
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// WEAK REFERENCES BELOW HERE.
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// Note these are intentionally not addrefd. Doing so will create a cycle.
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// For that reasons don't use nsCOMPtr.
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nsIDocShellTreeItem * mParent; // Weak Reference
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nsIDocShellTreeOwner * mTreeOwner; // Weak Reference
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nsIChromeEventHandler * mChromeEventHandler; //Weak Reference
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};
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#endif /* nsDocShell_h__ */
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