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 * The Initial Developer of the Original Code is
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 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Hubbie Shaw
 *   Doug Turner <dougt@netscape.com>
 *   Brian Ryner <bryner@brianryner.com>
 *   Kai Engert <kaie@netscape.com>
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#ifndef nsSecureBrowserUIImpl_h_
#define nsSecureBrowserUIImpl_h_

#include "nsCOMPtr.h"
#include "nsXPIDLString.h"
#include "nsString.h"
#include "nsIObserver.h"
#include "nsIDOMElement.h"
#include "nsIDOMWindow.h"
#include "nsIDOMHTMLFormElement.h"
#include "nsIStringBundle.h"
#include "nsISecureBrowserUI.h"
#include "nsIDocShell.h"
#include "nsIWebProgressListener.h"
#include "nsIFormSubmitObserver.h"
#include "nsIURI.h"
#include "nsISecurityEventSink.h"
#include "nsWeakReference.h"
#include "nsISSLStatusProvider.h"
#include "nsIAssociatedContentSecurity.h"
#include "pldhash.h"
#include "prmon.h"

class nsITransportSecurityInfo;
class nsISecurityWarningDialogs;
class nsIChannel;

#define NS_SECURE_BROWSER_UI_CID \
{ 0xcc75499a, 0x1dd1, 0x11b2, {0x8a, 0x82, 0xca, 0x41, 0x0a, 0xc9, 0x07, 0xb8}}


class nsSecureBrowserUIImpl : public nsISecureBrowserUI,
                              public nsIWebProgressListener,
                              public nsIFormSubmitObserver,
                              public nsIObserver,
                              public nsSupportsWeakReference,
                              public nsISSLStatusProvider
{
public:
  
  nsSecureBrowserUIImpl();
  virtual ~nsSecureBrowserUIImpl();
  
  NS_DECL_ISUPPORTS
  NS_DECL_NSIWEBPROGRESSLISTENER
  NS_DECL_NSISECUREBROWSERUI
  
  // nsIObserver
  NS_DECL_NSIOBSERVER
  NS_DECL_NSISSLSTATUSPROVIDER

  NS_IMETHOD Notify(nsIDOMHTMLFormElement* formNode, nsIDOMWindowInternal* window,
                    nsIURI *actionURL, PRBool* cancelSubmit);
  
protected:
  PRMonitor *mMonitor;
  PRInt32 mOnStateLocationChangeReentranceDetection;
  
  nsWeakPtr mWindow;
  nsCOMPtr<nsIStringBundle> mStringBundle;
  nsCOMPtr<nsIURI> mCurrentURI;
  nsCOMPtr<nsISecurityEventSink> mToplevelEventSink;
  
  enum lockIconState {
    lis_no_security,
    lis_broken_security,
    lis_mixed_security,
    lis_low_security,
    lis_high_security
  };

  lockIconState mNotifiedSecurityState;
  PRBool mNotifiedToplevelIsEV;

  void ResetStateTracking();
  PRUint32 mNewToplevelSecurityState;
  PRPackedBool mNewToplevelIsEV;
  PRPackedBool mNewToplevelSecurityStateKnown;
  PRPackedBool mIsViewSource;

  nsXPIDLString mInfoTooltip;
  PRInt32 mDocumentRequestsInProgress;
  PRInt32 mSubRequestsHighSecurity;
  PRInt32 mSubRequestsLowSecurity;
  PRInt32 mSubRequestsBrokenSecurity;
  PRInt32 mSubRequestsNoSecurity;

  static nsresult MapInternalToExternalState(PRUint32* aState, lockIconState lock, PRBool ev);
  nsresult UpdateSecurityState(nsIRequest* aRequest);
  void UpdateMyFlags(PRBool &showWarning, lockIconState &warnSecurityState);
  nsresult TellTheWorld(PRBool showWarning, 
                        lockIconState warnSecurityState, 
                        nsIRequest* aRequest);

  nsresult EvaluateAndUpdateSecurityState(nsIRequest* aRequest, nsISupports *info);
  void UpdateSubrequestMembers(nsISupports *securityInfo);

  void ObtainEventSink(nsIChannel *channel, 
                       nsCOMPtr<nsISecurityEventSink> &sink);

  nsCOMPtr<nsISupports> mSSLStatus;
  nsCOMPtr<nsISupports> mCurrentToplevelSecurityInfo;

  void GetBundleString(const PRUnichar* name, nsAString &outString);
  
  nsresult CheckPost(nsIURI *formURI, nsIURI *actionURL, PRBool *okayToPost);
  nsresult IsURLHTTPS(nsIURI* aURL, PRBool *value);
  nsresult IsURLJavaScript(nsIURI* aURL, PRBool *value);

  PRBool ConfirmEnteringSecure();
  PRBool ConfirmEnteringWeak();
  PRBool ConfirmLeavingSecure();
  PRBool ConfirmMixedMode();
  PRBool ConfirmPostToInsecure();
  PRBool ConfirmPostToInsecureFromSecure();

  // Support functions
  static nsresult GetNSSDialogs(nsISecurityWarningDialogs **);

  PLDHashTable mTransferringRequests;
};


#endif /* nsSecureBrowserUIImpl_h_ */