/* -*- 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 nsIPref; 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; } /** * Initialization function for a WebShell instance. This method provides * information needed by the WebShell to embed itself inside of a native * window provided by the caller. It is assumed that this function will be * called only once. */ NS_IMETHOD Init(nsNativeWidget aNativeParent, PRInt32 x, PRInt32 y, PRInt32 w, PRInt32 h, nsScrollPreference aScrolling = nsScrollPreference_kAuto, PRBool aAllowPlugins = PR_TRUE, PRBool aIsSunkenBorder = PR_FALSE) = 0; NS_IMETHOD RemoveFocus() = 0; /** * 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, * and nsIBrowserWindow). */ NS_IMETHOD GetTopLevelWindow(nsIWebShellContainer** aTopLevelWindow) = 0; /** * Set the DocLoaderObserver which receives all notifications from URLs * loaded by the document. */ NS_IMETHOD SetDocLoaderObserver(nsIDocumentLoaderObserver* anObserver) = 0; /** * Return the current nsIDocLoadeObserver */ NS_IMETHOD GetDocLoaderObserver(nsIDocumentLoaderObserver** aResult) = 0; /** * Set the nsIPref used to get/set preference values... */ NS_IMETHOD SetPrefs(nsIPref* aPrefs) = 0; /** * Return the current nsIPref interface. */ NS_IMETHOD GetPrefs(nsIPref*& aPrefs) = 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; /** * Set the parent WebShell. */ NS_IMETHOD SetParent(nsIWebShell* aParent) = 0; /** * Return the parent WebShell. */ NS_IMETHOD GetParent(nsIWebShell*& aParent) = 0; /** * Get the referrer of the link using this WebShell. */ NS_IMETHOD GetReferrer(nsIURI **aReferrer) = 0; /** * Return the current number of WebShells which are immediate children * of the current WebShell. */ NS_IMETHOD GetChildCount(PRInt32& aResult) = 0; /** * Add a new child WebShell. */ NS_IMETHOD AddChild(nsIWebShell* aChild) = 0; /** * Remove a child WebShell. */ NS_IMETHOD RemoveChild(nsIWebShell* aChild) = 0; /** * Return the child WebShell at the requested index. */ NS_IMETHOD ChildAt(PRInt32 aIndex, nsIWebShell*& aResult) = 0; /** * Return the name of the current WebShell. */ NS_IMETHOD GetName(const PRUnichar** aName) = 0; /** * Set the name of the current WebShell. */ NS_IMETHOD SetName(const PRUnichar* aName) = 0; /** * Return the child WebShell with the specified name. */ NS_IMETHOD FindChildWithName(const PRUnichar* aName, nsIWebShell*& aResult) = 0; /* * Get Chrome Event Handler */ NS_IMETHOD SetChromeEventHandler(nsIChromeEventHandler* aChromeEventHandler) = 0; /** * Get the content viewer for this webshell. */ NS_IMETHOD GetContentViewer(nsIContentViewer** aResult) = 0; // // Document load api's // /** * Return the nsIDocumentLoader associated with the WebShell. */ NS_IMETHOD GetDocumentLoader(nsIDocumentLoader*& aResult) = 0; /** * Lets us know if the webshell document fired off a load */ NS_IMETHOD IsBusy(PRBool& 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; /** Set the document for this webshell. * This simulates a URI load, in that the same notifications are sent as * if the caller had called LoadURI. * @param aDOMDoc * @param aRootNode */ NS_IMETHOD SetDocument(nsIDOMDocument *aDOMDoc, nsIDOMElement *aRootNode) = 0; /** * Stop loading the current document. */ NS_IMETHOD Stop(void) = 0; // XXX Temp Hacks NS_IMETHOD StopBeforeRequestingURL() = 0; NS_IMETHOD StopAfterURLAvailable() = 0; /** * Reload the current document. */ NS_IMETHOD Reload(nsLoadFlags aType) = 0; // // History api's // /** * Load the previous document in the history list. */ NS_IMETHOD Back() = 0; NS_IMETHOD CanBack() = 0; NS_IMETHOD Forward() = 0; NS_IMETHOD CanForward() = 0; 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 NS_IMETHOD SetContentViewer(nsIContentViewer* aViewer) = 0; NS_IMETHOD SetScrolling(PRInt32 aScrolling, PRBool aSetCurrentAndInitial = PR_TRUE) = 0; NS_IMETHOD GetScrolling(PRInt32& aScrolling) = 0; // XXX these are here until there a better way to pass along info to a sub doc NS_IMETHOD GetMarginWidth (PRInt32* aWidth) = 0; NS_IMETHOD SetMarginWidth (PRInt32 aWidth) = 0; NS_IMETHOD GetMarginHeight(PRInt32* aWidth) = 0; NS_IMETHOD SetMarginHeight(PRInt32 aHeight) = 0; /** * Set/Get the document scale factor */ NS_IMETHOD SetZoom(float aZoom) = 0; NS_IMETHOD GetZoom(float *aZoom) = 0; /** * Finds text in content */ NS_IMETHOD FindNext(const PRUnichar * aSearchStr, PRBool aMatchCase, PRBool aSearchDown, PRBool &aIsFound) = 0; /** * Return the URL of the current WebShell. */ NS_IMETHOD GetURL(const PRUnichar** aURL) = 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 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___ */