/* -*- 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): * Travis Bogard */ #ifndef nsDocShell_h__ #define nsDocShell_h__ #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 "nsIScriptContext.h" #include "nsCDocShell.h" #include "nsIDocShellTreeOwner.h" #include "nsIContentViewerContainer.h" #include "nsIDeviceContext.h" #include "nsIDocumentLoader.h" #include "nsIURILoader.h" #include "nsIEditorDocShell.h" #include "nsWeakReference.h" // Local Includes #include "nsDSURIContentListener.h" #include "nsDocShellEditorData.h" // Helper Classes #include "nsCOMPtr.h" #include "nsPoint.h" // mCurrent/mDefaultScrollbarPreferences #include "nsString.h" // Threshold value in ms for META refresh based redirects #define REFRESH_REDIRECT_TIMER 15000 // Interfaces Needed #include "nsIDocumentCharsetInfo.h" #include "nsIDocCharset.h" #include "nsIGlobalHistory.h" #include "nsIInterfaceRequestor.h" #include "nsIInterfaceRequestorUtils.h" #include "nsIPrompt.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 "nsIWebProgressListener.h" #include "nsISHContainer.h" #include "nsIDocShellLoadInfo.h" #include "nsIDocShellHistory.h" #include "nsIURIFixup.h" #include "nsIWebBrowserFind.h" #include "nsIHttpChannel.h" #define MAKE_LOAD_TYPE(type, flags) ((type) | ((flags) << 16)) /* load commands */ enum LoadCmd { LOAD_CMD_NORMAL = 0x1, // Normal load LOAD_CMD_RELOAD = 0x2, // Reload LOAD_CMD_HISTORY = 0x4 // Load from history }; /* load types are legal combinations of load commands and flags */ enum LoadType { LOAD_NORMAL = MAKE_LOAD_TYPE(LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_NONE), LOAD_NORMAL_REPLACE = MAKE_LOAD_TYPE(LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_REPLACE_HISTORY), LOAD_HISTORY = MAKE_LOAD_TYPE(LOAD_CMD_HISTORY, nsIWebNavigation::LOAD_FLAGS_NONE), LOAD_RELOAD_NORMAL = MAKE_LOAD_TYPE(LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_NONE), LOAD_RELOAD_BYPASS_CACHE = MAKE_LOAD_TYPE(LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE), LOAD_RELOAD_BYPASS_PROXY = MAKE_LOAD_TYPE(LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY), LOAD_RELOAD_BYPASS_PROXY_AND_CACHE = MAKE_LOAD_TYPE(LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE | nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY), LOAD_LINK = MAKE_LOAD_TYPE(LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_IS_LINK), LOAD_REFRESH = MAKE_LOAD_TYPE(LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_IS_REFRESH), LOAD_RELOAD_CHARSET_CHANGE = MAKE_LOAD_TYPE(LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_CHARSET_CHANGE), LOAD_BYPASS_HISTORY = MAKE_LOAD_TYPE(LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_BYPASS_HISTORY) }; /* internally used ViewMode types */ enum ViewMode { viewNormal = 0x0, viewSource = 0x1 }; //***************************************************************************** //*** nsRefreshTimer //***************************************************************************** class nsRefreshTimer : public nsITimerCallback { public: nsRefreshTimer(); NS_DECL_ISUPPORTS // nsITimerCallback interface NS_IMETHOD_(void) Notify(nsITimer * timer); PRInt32 GetDelay() { return mDelay ;} nsCOMPtr mDocShell; nsCOMPtr mURI; PRBool mRepeat; PRInt32 mDelay; PRBool mMetaRefresh; protected: virtual ~nsRefreshTimer(); }; //***************************************************************************** //*** nsDocShell //***************************************************************************** class nsDocShell : public nsIDocShell, public nsIDocShellTreeItem, public nsIDocShellTreeNode, public nsIDocShellHistory, public nsIWebNavigation, public nsIBaseWindow, public nsIScrollable, public nsITextScroll, public nsIDocCharset, public nsIContentViewerContainer, public nsIInterfaceRequestor, public nsIScriptGlobalObjectOwner, public nsIRefreshURI, public nsIWebProgressListener, public nsIEditorDocShell, public nsSupportsWeakReference { friend class nsDSURIContentListener; public: // Object Management nsDocShell(); NS_DECL_ISUPPORTS NS_DECL_NSIDOCSHELL NS_DECL_NSIDOCSHELLTREEITEM NS_DECL_NSIDOCSHELLTREENODE NS_DECL_NSIDOCSHELLHISTORY NS_DECL_NSIWEBNAVIGATION NS_DECL_NSIBASEWINDOW NS_DECL_NSISCROLLABLE NS_DECL_NSITEXTSCROLL NS_DECL_NSIDOCCHARSET NS_DECL_NSIINTERFACEREQUESTOR NS_DECL_NSISCRIPTGLOBALOBJECTOWNER NS_DECL_NSIWEBPROGRESSLISTENER NS_DECL_NSIREFRESHURI NS_DECL_NSICONTENTVIEWERCONTAINER NS_DECL_NSIEDITORDOCSHELL nsresult SetLoadCookie(nsISupports * aCookie); nsresult GetLoadCookie(nsISupports ** aResult); nsDocShellInfoLoadType ConvertLoadTypeToDocShellLoadInfo(PRUint32 aLoadType); PRUint32 ConvertDocShellLoadInfoToLoadType(nsDocShellInfoLoadType aDocShellLoadType); protected: // Object Management virtual ~nsDocShell(); NS_IMETHOD DestroyChildren(); // Content Viewer Management NS_IMETHOD EnsureContentViewer(); NS_IMETHOD EnsureDeviceContext(); NS_IMETHOD CreateAboutBlankContentViewer(); NS_IMETHOD CreateContentViewer(const char * aContentType, nsIRequest * request, nsIStreamListener ** aContentHandler); NS_IMETHOD NewContentViewerObj(const char * aContentType, nsIRequest * request, nsILoadGroup * aLoadGroup, nsIStreamListener ** aContentHandler, nsIContentViewer ** aViewer); NS_IMETHOD SetupNewViewer(nsIContentViewer * aNewViewer); NS_IMETHOD GetEldestPresContext(nsIPresContext** aPresContext); NS_IMETHOD CreateFixupURI(const PRUnichar * aStringURI, nsIURI ** aURI); NS_IMETHOD GetCurrentDocumentOwner(nsISupports ** aOwner); virtual nsresult DoURILoad(nsIURI * aURI, nsIURI * aReferrer, nsISupports * aOwner, nsIInputStream * aPostData, nsIInputStream * aHeadersData); NS_IMETHOD AddHeadersToChannel(nsIInputStream * aHeadersData, nsIChannel * aChannel); virtual nsresult DoChannelLoad(nsIChannel * aChannel, nsIURILoader * aURILoader); NS_IMETHOD ScrollIfAnchor(nsIURI * aURI, PRBool * aWasAnchor); NS_IMETHOD OnLoadingSite(nsIChannel * aChannel); NS_IMETHOD OnNewURI(nsIURI * aURI, nsIChannel * aChannel, PRUint32 aLoadType); virtual void SetReferrerURI(nsIURI * aURI); // Session History virtual PRBool ShouldAddToSessionHistory(nsIURI * aURI); virtual nsresult AddToSessionHistory(nsIURI * aURI, nsIChannel * aChannel, nsISHEntry ** aNewEntry); NS_IMETHOD LoadHistoryEntry(nsISHEntry * aEntry, PRUint32 aLoadType); NS_IMETHOD PersistLayoutHistoryState(); NS_IMETHOD CloneAndReplace(nsISHEntry * srcEntry, PRUint32 aCloneID, nsISHEntry * areplaceEntry, nsISHEntry ** destEntry); nsresult GetRootSessionHistory(nsISHistory ** aReturn); nsresult GetHttpChannel(nsIChannel * aChannel, nsIHttpChannel ** aReturn); // Global History NS_IMETHOD ShouldAddToGlobalHistory(nsIURI * aURI, PRBool * aShouldAdd); NS_IMETHOD AddToGlobalHistory(nsIURI * aURI); NS_IMETHOD UpdateCurrentGlobalHistory(); // Helper Routines NS_IMETHOD GetPromptAndStringBundle(nsIPrompt ** aPrompt, nsIStringBundle ** aStringBundle); NS_IMETHOD GetChildOffset(nsIDOMNode * aChild, nsIDOMNode * aParent, PRInt32 * aOffset); NS_IMETHOD GetRootScrollableView(nsIScrollableView ** aOutScrollView); NS_IMETHOD EnsureContentListener(); NS_IMETHOD EnsureScriptEnvironment(); NS_IMETHOD EnsureEditorData(); NS_IMETHOD EnsureFind(); NS_IMETHOD RefreshURIFromQueue(); static inline PRUint32 PRTimeToSeconds(PRTime t_usec) { PRTime usec_per_sec; PRUint32 t_sec; LL_I2L(usec_per_sec, PR_USEC_PER_SEC); LL_DIV(t_usec, t_usec, usec_per_sec); LL_L2I(t_sec, t_usec); return t_sec; } virtual nsresult FindTarget(const PRUnichar *aTargetName, PRBool *aIsNewWindow, nsIDocShell **aResult); PRBool IsFrame(); // // 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 * aChannel, nsresult aResult); protected: nsString mName; nsString mTitle; nsVoidArray mChildren; nsCOMPtr mRefreshURIList; nsDSURIContentListener * mContentListener; nsRect mBounds; // Dimensions of the docshell nsCOMPtr mContentViewer; nsCOMPtr mDocumentCharsetInfo; nsCOMPtr mDeviceContext; nsCOMPtrmDocLoader; nsCOMPtr mParentWidget; nsCOMPtr mPrefs; nsCOMPtr mCurrentURI; nsCOMPtr mReferrerURI; nsCOMPtr mScriptGlobal; nsCOMPtr mScriptContext; nsCOMPtr mSessionHistory; nsCOMPtr mGlobalHistory; nsCOMPtr mLoadCookie; // the load cookie associated with the window context. nsCOMPtr mURIFixup; nsCOMPtr mFind; PRInt32 mMarginWidth; PRInt32 mMarginHeight; PRInt32 mItemType; nsPoint mCurrentScrollbarPref; // this document only nsPoint mDefaultScrollbarPref; // persistent across doc loads PRUint32 mLoadType; PRBool mAllowSubframes; PRPackedBool mAllowPlugins; PRPackedBool mAllowJavascript; PRPackedBool mAllowMetaRedirects; PRPackedBool mAllowImages; PRPackedBool mFocusDocFirst; PRPackedBool mHasFocus; PRPackedBool mCreatingDocument; // (should be) debugging only PRUint32 mAppType; PRInt32 mChildOffset; // Offset in the parent's child list. PRUint32 mBusyFlags; // Reference to the SHEntry for this docshell until the page is destroyed. // Somebody give me better name nsCOMPtr mOSHE; // Reference to the SHEntry for this docshell until the page is loaded // Somebody give me better name nsCOMPtr mLSHE; PRBool mFiredUnloadEvent; // 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; PRBool mURIResultedInDocument; // used to keep track of whether user click links should be handle by us // or immediately kicked out to an external application. mscott: eventually // i'm going to try to fold this up into the uriloader where it belongs but i haven't // figured out how to do that yet. PRBool mUseExternalProtocolHandler; // Disallow popping up new windows with target= PRBool mDisallowPopupWindows; // Validate window targets to prevent frameset spoofing PRBool mValidateOrigin; PRBool mIsBeingDestroyed; // Editor stuff nsDocShellEditorData* mEditorData; // editor data, if any // 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 nsIChromeEventHandler * mChromeEventHandler; //Weak Reference public: class InterfaceRequestorProxy : public nsIInterfaceRequestor { public: InterfaceRequestorProxy(nsIInterfaceRequestor* p); virtual ~InterfaceRequestorProxy(); NS_DECL_ISUPPORTS NS_DECL_NSIINTERFACEREQUESTOR protected: InterfaceRequestorProxy() {} nsWeakPtr mWeakPtr; }; }; #endif /* nsDocShell_h__ */