pjs/docshell/base/nsWebShell.h

162 строки
5.3 KiB
C
Исходник Обычный вид История

#ifndef webshell____h
#define webshell____h
#include "nsIWebShellServices.h"
#include "nsIWebShell.h"
#include "nsILinkHandler.h"
#include "nsIDocumentLoaderObserver.h"
#include "nsIClipboardCommands.h"
#include "nsDocShell.h"
class nsIController;
typedef enum {
eCharsetReloadInit,
eCharsetReloadRequested,
eCharsetReloadStopOrigional
} eCharsetReloadState;
class nsWebShell : public nsDocShell,
public nsIWebShell,
public nsIWebShellContainer,
public nsIWebShellServices,
public nsILinkHandler,
public nsIDocumentLoaderObserver,
public nsIClipboardCommands
{
public:
nsWebShell();
virtual ~nsWebShell();
NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIINTERFACEREQUESTOR
NS_DECL_NSIDOCUMENTLOADEROBSERVER
NS_DECL_NSICLIPBOARDCOMMANDS
NS_DECL_NSIWEBSHELLSERVICES
NS_IMETHOD SetupNewViewer(nsIContentViewer* aViewer);
// nsIContentViewerContainer
NS_IMETHOD Embed(nsIContentViewer* aDocViewer,
const char* aCommand,
nsISupports* aExtraInfo);
// nsIWebShell
NS_IMETHOD SetContainer(nsIWebShellContainer* aContainer);
NS_IMETHOD GetContainer(nsIWebShellContainer*& aResult);
NS_IMETHOD GetTopLevelWindow(nsIWebShellContainer** aWebShellWindow);
NS_IMETHOD GetRootWebShell(nsIWebShell*& aResult);
/*NS_IMETHOD SetParent(nsIWebShell* aParent);
NS_IMETHOD GetParent(nsIWebShell*& aParent);*/
NS_IMETHOD GetReferrer(nsIURI **aReferrer);
// Document load api's
NS_IMETHOD GetDocumentLoader(nsIDocumentLoader*& aResult);
/* NS_IMETHOD LoadURL(const PRUnichar *aURLSpec,
const char* aCommand,
nsIInputStream* aPostDataStream=nsnull,
PRBool aModifyHistory=PR_TRUE,
nsLoadFlags aType = nsIChannel::LOAD_NORMAL,
nsISupports * aHistoryState=nsnull,
const PRUnichar* aReferrer=nsnull,
const char * aWindowTarget = nsnull);
NS_IMETHOD LoadURI(nsIURI * aUri,
const char * aCommand,
nsIInputStream* aPostDataStream=nsnull,
PRBool aModifyHistory=PR_TRUE,
nsLoadFlags aType = nsIChannel::LOAD_NORMAL,
nsISupports * aHistoryState=nsnull,
const PRUnichar* aReferrer=nsnull,
const char * aWindowTarget = nsnull);
*/
void SetReferrer(const PRUnichar* aReferrer);
// History api's
NS_IMETHOD GoTo(PRInt32 aHistoryIndex);
NS_IMETHOD GetHistoryLength(PRInt32& aResult);
NS_IMETHOD GetHistoryIndex(PRInt32& aResult);
NS_IMETHOD GetURL(PRInt32 aHistoryIndex, const PRUnichar** aURLResult);
// nsIWebShellContainer
NS_IMETHOD SetHistoryState(nsISupports* aLayoutHistoryState);
NS_IMETHOD FireUnloadEvent(void);
// nsILinkHandler
NS_IMETHOD OnLinkClick(nsIContent* aContent,
nsLinkVerb aVerb,
const PRUnichar* aURLSpec,
const PRUnichar* aTargetSpec,
nsIInputStream* aPostDataStream = 0,
nsIInputStream* aHeadersDataStream = 0);
NS_IMETHOD OnOverLink(nsIContent* aContent,
const PRUnichar* aURLSpec,
const PRUnichar* aTargetSpec);
NS_IMETHOD GetLinkState(const char* aLinkURI, nsLinkState& aState);
NS_IMETHOD FindNext(const PRUnichar * aSearchStr, PRBool aMatchCase, PRBool aSearchDown, PRBool &aIsFound);
// nsIBaseWindow
NS_IMETHOD SetPositionAndSize(PRInt32 x, PRInt32 y, PRInt32 cx,
PRInt32 cy, PRBool fRepaint);
NS_IMETHOD GetPositionAndSize(PRInt32* x, PRInt32* y,
PRInt32* cx, PRInt32* cy);
NS_IMETHOD Create();
NS_IMETHOD Destroy();
// nsWebShell
nsIEventQueue* GetEventQueue(void);
void HandleLinkClickEvent(nsIContent *aContent,
nsLinkVerb aVerb,
const PRUnichar* aURLSpec,
const PRUnichar* aTargetSpec,
nsIInputStream* aPostDataStream = 0,
nsIInputStream* aHeadersDataStream = 0);
static nsEventStatus PR_CALLBACK HandleEvent(nsGUIEvent *aEvent);
NS_IMETHOD SetURL(const PRUnichar* aURL);
protected:
void GetRootWebShellEvenIfChrome(nsIWebShell** aResult);
void InitFrameData();
// helpers for executing commands
virtual nsresult GetControllerForCommand ( const nsAReadableString & inCommand, nsIController** outController ) ;
virtual nsresult IsCommandEnabled ( const nsAReadableString & inCommand, PRBool* outEnabled ) ;
virtual nsresult DoCommand ( const nsAReadableString & inCommand ) ;
nsIEventQueue* mThreadEventQueue;
nsIWebShellContainer* mContainer;
nsIDocumentLoader* mDocLoader;
PRBool mFiredUnloadEvent;
nsRect mBounds;
eCharsetReloadState mCharsetReloadState;
nsISupports* mHistoryState; // Weak reference. Session history owns this.
nsresult FireUnloadForChildren();
nsresult CreateViewer(nsIChannel* aChannel,
const char* aContentType,
const char* aCommand,
nsIStreamListener** aResult);
#ifdef DEBUG
private:
// We're counting the number of |nsWebShells| to help find leaks
static unsigned long gNumberOfWebShells;
#endif /* DEBUG */
};
#endif /* webshell____h */