File:  [mozdev] / chimera / NSBrowserView.mm
Revision 1.35: download - view: text, annotated - select for diffs - revision graph
Sat Apr 20 00:44:56 2002 UTC (15 years, 6 months ago) by macserv
Branches: MAIN
CVS tags: HEAD
A bunch of tweaks here... no changes in functionality.  Updated trilicense header on all files that were missing it.  Fixed initialization code syntax errors all over the place.  Put back fade code, and switched fading off for now...

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * 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.org code.
 *
 * The Initial Developer of the Original Code is 
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or 
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the NPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#import "NSBrowserView.h"
#import "ProgressDlgController.h"
#import "FindDlgController.h"
#import "nsCocoaBrowserService.h"

// Embedding includes
#include "nsCWebBrowser.h"
#include "nsIInterfaceRequestor.h"
#include "nsIWebBrowserChrome.h"
#include "nsIEmbeddingSiteWindow.h"
#include "nsIWebProgressListener.h"
#include "nsIWebBrowser.h"
#include "nsIWebNavigation.h"
#include "nsIURI.h"
#include "nsIDOMWindow.h"
#include "nsWeakReference.h"

// XPCOM and String includes
#include "nsCRT.h"
#include "nsXPIDLString.h"
#include "nsCOMPtr.h"

// Printing
#include "nsIWebBrowserPrint.h"
#include "nsIPrintSettings.h"

// Saving of links/images/docs
#include "nsIWebBrowserFocus.h"
#include "nsIDOMHTMLDocument.h"
#include "nsIDOMNSDocument.h"
#include "nsIDOMLocation.h"
#include "nsIURL.h"
#include "nsIWebBrowserPersist.h"
#include "nsIProperties.h"
#include "nsIRequest.h"
#include "nsIChannel.h"
#include "nsIHttpChannel.h"
#include "nsIPref.h"
#include "nsIMIMEService.h"
#include "nsIMIMEInfo.h"
#include "nsISHistory.h"
#include "nsIHistoryEntry.h"
#include "nsISHEntry.h"
#include "nsNetUtil.h"
#include "nsIContextMenuListener.h"

// Cut/copy/paste
#include "nsIClipboardCommands.h"
#include "nsIInterfaceRequestorUtils.h"

const char* persistContractID = "@mozilla.org/embedding/browser/nsWebBrowserPersist;1";
const char* dirServiceContractID = "@mozilla.org/file/directory_service;1";

class nsCocoaBrowserListener : public nsSupportsWeakReference,
                               public nsIInterfaceRequestor,
			                         public nsIWebBrowserChrome,
                               public nsIWindowCreator,
			                         public nsIEmbeddingSiteWindow,
                               public nsIWebProgressListener,
                               public nsIContextMenuListener
{
public:
  nsCocoaBrowserListener(NSBrowserView* aView);
  virtual ~nsCocoaBrowserListener();

  NS_DECL_ISUPPORTS
  NS_DECL_NSIINTERFACEREQUESTOR
  NS_DECL_NSIWEBBROWSERCHROME
  NS_DECL_NSIWINDOWCREATOR
  NS_DECL_NSIEMBEDDINGSITEWINDOW
  NS_DECL_NSIWEBPROGRESSLISTENER
  NS_DECL_NSICONTEXTMENULISTENER
    
  void AddListener(id <NSBrowserListener> aListener);
  void RemoveListener(id <NSBrowserListener> aListener);
  void SetContainer(id <NSBrowserContainer> aContainer);

private:
  NSBrowserView* mView;     // WEAK - it owns us
  NSMutableArray* mListeners;
  id <NSBrowserContainer> mContainer;
  PRBool mIsModal;
  PRUint32 mChromeFlags;
};

nsCocoaBrowserListener::nsCocoaBrowserListener(NSBrowserView* aView)
  : mView(aView), mContainer(nsnull), mIsModal(PR_FALSE), mChromeFlags(0)
{
  NS_INIT_ISUPPORTS();
  mListeners = [[NSMutableArray alloc] init];
}

nsCocoaBrowserListener::~nsCocoaBrowserListener()
{
  [mListeners release];
  mView = nsnull;
  if (mContainer) {
    [mContainer release];
  }
}

NS_IMPL_ISUPPORTS7(nsCocoaBrowserListener,
		               nsIInterfaceRequestor,
		               nsIWebBrowserChrome,
                   nsIWindowCreator,
		               nsIEmbeddingSiteWindow,
		               nsIWebProgressListener,
                   nsISupportsWeakReference,
                   nsIContextMenuListener)

// Implementation of nsIInterfaceRequestor
NS_IMETHODIMP 
nsCocoaBrowserListener::GetInterface(const nsIID &aIID, void** aInstancePtr)
{
  if (aIID.Equals(NS_GET_IID(nsIDOMWindow))) {
    nsCOMPtr<nsIWebBrowser> browser = dont_AddRef([mView getWebBrowser]);
    if (browser)
      return browser->GetContentDOMWindow((nsIDOMWindow **) aInstancePtr);
  }
  
  return QueryInterface(aIID, aInstancePtr);
}

// Implementation of nsIWindowCreator.  The CocoaBrowserService forwards requests
// for a new window that have a parent to us, and we take over from there.  
/* nsIWebBrowserChrome createChromeWindow (in nsIWebBrowserChrome parent, in PRUint32 chromeFlags); */
NS_IMETHODIMP 
nsCocoaBrowserListener::CreateChromeWindow(nsIWebBrowserChrome *parent, 
                                           PRUint32 chromeFlags, 
                                           nsIWebBrowserChrome **_retval)
{
  if (parent != this) {
    printf("Mismatch in nsCocoaBrowserListener::CreateChromeWindow.  We should be the owning parent.\n");
    return NS_ERROR_FAILURE;
  }
  
  NSBrowserView* childView = [mContainer createBrowserWindow: chromeFlags];
  if (!childView) {
    printf("No NSBrowserView hooked up for a newly created window yet.\n");
    return NS_ERROR_FAILURE;
  }
  
  nsCocoaBrowserListener* listener = [childView getCocoaBrowserListener];
  if (!listener) {
    printf("Uh-oh! No listener yet for a newly created window (nsCocoaBrowserlistener)\n");
    return NS_ERROR_FAILURE;
  }
  
  printf("made a chrome window.\n");
  
  *_retval = listener;
  NS_IF_ADDREF(*_retval);
  return NS_OK;
}

// Implementation of nsIContextMenuListener
NS_IMETHODIMP
nsCocoaBrowserListener::OnShowContextMenu(PRUint32 aContextFlags, nsIDOMEvent* aEvent, nsIDOMNode* aNode)
{
  [mContainer onShowContextMenu: aContextFlags domEvent: aEvent domNode: aNode];
  return NS_OK;
}

// Implementation of nsIWebBrowserChrome
/* void setStatus (in unsigned long statusType, in wstring status); */
NS_IMETHODIMP 
nsCocoaBrowserListener::SetStatus(PRUint32 statusType, const PRUnichar *status)
{
  if (!mContainer) {
    return NS_ERROR_FAILURE;
  }

  NSString* str = nsnull;
  if (status && (*status != PRUnichar(0))) {
    str = [NSString stringWithCharacters:status length:nsCRT::strlen(status)];
  }

  [mContainer setStatus:str ofType:(NSStatusType)statusType];

  return NS_OK;
}

/* attribute nsIWebBrowser webBrowser; */
NS_IMETHODIMP 
nsCocoaBrowserListener::GetWebBrowser(nsIWebBrowser * *aWebBrowser)
{
  NS_ENSURE_ARG_POINTER(aWebBrowser);
  if (!mView) {
    return NS_ERROR_FAILURE;
  }
  *aWebBrowser = [mView getWebBrowser];

  return NS_OK;
}
NS_IMETHODIMP 
nsCocoaBrowserListener::SetWebBrowser(nsIWebBrowser * aWebBrowser)
{
  if (!mView) {
    return NS_ERROR_FAILURE;
  }

  [mView setWebBrowser:aWebBrowser];

  return NS_OK;
}

/* attribute unsigned long chromeFlags; */
NS_IMETHODIMP 
nsCocoaBrowserListener::GetChromeFlags(PRUint32 *aChromeFlags)
{
  NS_ENSURE_ARG_POINTER(aChromeFlags);
  *aChromeFlags = mChromeFlags;
  return NS_OK;
}
NS_IMETHODIMP 
nsCocoaBrowserListener::SetChromeFlags(PRUint32 aChromeFlags)
{
  // XXX Do nothing with them for now
  mChromeFlags = aChromeFlags;
  return NS_OK;
}

/* void destroyBrowserWindow (); */
NS_IMETHODIMP 
nsCocoaBrowserListener::DestroyBrowserWindow()
{
  // XXX Could send this up to the container, but for now,
  // we just destroy the enclosing window.
  NSWindow* window = [mView window];

  if (window) {
    [window close];
  }

  return NS_OK;
}

/* void sizeBrowserTo (in long aCX, in long aCY); */
NS_IMETHODIMP 
nsCocoaBrowserListener::SizeBrowserTo(PRInt32 aCX, PRInt32 aCY)
{
  if (mContainer) {
    NSSize size;
    
    size.width = (float)aCX;
    size.height = (float)aCY;

    [mContainer sizeBrowserTo:size];
  }
  
  return NS_OK;
}

/* void showAsModal (); */
NS_IMETHODIMP 
nsCocoaBrowserListener::ShowAsModal()
{
  if (!mView) {
    return NS_ERROR_FAILURE;
  }

  NSWindow* window = [mView window];

  if (!window) {
    return NS_ERROR_FAILURE;
  }

  mIsModal = PR_TRUE;
  //int result = [NSApp runModalForWindow:window];
  mIsModal = PR_FALSE;

  return NS_OK;
}

/* boolean isWindowModal (); */
NS_IMETHODIMP 
nsCocoaBrowserListener::IsWindowModal(PRBool *_retval)
{
  NS_ENSURE_ARG_POINTER(_retval);

  *_retval = mIsModal;

  return NS_OK;
}

/* void exitModalEventLoop (in nsresult aStatus); */
NS_IMETHODIMP 
nsCocoaBrowserListener::ExitModalEventLoop(nsresult aStatus)
{
//  [NSApp stopModalWithCode:(int)aStatus];

  return NS_OK;
}

// Implementation of nsIEmbeddingSiteWindow
/* void setDimensions (in unsigned long flags, in long x, in long y, in long cx, in long cy); */
NS_IMETHODIMP 
nsCocoaBrowserListener::SetDimensions(PRUint32 flags, 
				      PRInt32 x, 
				      PRInt32 y, 
				      PRInt32 cx, 
				      PRInt32 cy)
{
  if (!mView) {
    return NS_ERROR_FAILURE;
  }

  NSWindow* window = [mView window];
  if (!window) {
    return NS_ERROR_FAILURE;
  }

  if (flags & nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION) {
    NSPoint origin;
    origin.x = (float)x;
    origin.y = (float)y;
    [window setFrameOrigin:origin];
  }

  if (flags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER) {
    NSRect frame = [window frame];
    frame.size.width = (float)cx;
    frame.size.height = (float)cy;
    [window setFrame:frame display:YES];
  }
  else if (flags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_INNER) {
    NSSize size;
    size.width = (float)cx;
    size.height = (float)cy;
    [window setContentSize:size];
  }

  return NS_OK;
}

/* void getDimensions (in unsigned long flags, out long x, out long y, out long cx, out long cy); */
NS_IMETHODIMP 
nsCocoaBrowserListener::GetDimensions(PRUint32 flags, 
				      PRInt32 *x, 
				      PRInt32 *y, 
				      PRInt32 *cx, 
				      PRInt32 *cy)
{
  NS_ENSURE_ARG_POINTER(x);
  NS_ENSURE_ARG_POINTER(y);
  NS_ENSURE_ARG_POINTER(cx);
  NS_ENSURE_ARG_POINTER(cy);

  if (!mView) {
    return NS_ERROR_FAILURE;
  }

  NSWindow* window = [mView window];
  if (!window) {
    return NS_ERROR_FAILURE;
  }

  NSRect frame = [window frame];
  if (flags & nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION) {
    *x = (PRInt32)frame.origin.x;
    *y = (PRInt32)frame.origin.y;
  }
  if (flags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER) {
    *cx = (PRInt32)frame.size.width;
    *cy = (PRInt32)frame.size.height;
  }
  else if (flags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_INNER) {
    NSView* contentView = [window contentView];
    NSRect contentFrame = [contentView frame];
    *cx = (PRInt32)contentFrame.size.width;
    *cy = (PRInt32)contentFrame.size.height;    
  }

  return NS_OK;
}

/* void setFocus (); */
NS_IMETHODIMP 
nsCocoaBrowserListener::SetFocus()
{
  if (!mView) {
    return NS_ERROR_FAILURE;
  }

  NSWindow* window = [mView window];
  if (!window) {
    return NS_ERROR_FAILURE;
  }

  [window makeKeyAndOrderFront:window];

  return NS_OK;
}

/* attribute boolean visibility; */
NS_IMETHODIMP 
nsCocoaBrowserListener::GetVisibility(PRBool *aVisibility)
{
  NS_ENSURE_ARG_POINTER(aVisibility);

  if (!mView) {
    return NS_ERROR_FAILURE;
  }

  NSWindow* window = [mView window];
  if (!window) {
    return NS_ERROR_FAILURE;
  }

  *aVisibility = [window isMiniaturized];

  return NS_OK;
}
NS_IMETHODIMP 
nsCocoaBrowserListener::SetVisibility(PRBool aVisibility)
{
  if (!mView) {
    return NS_ERROR_FAILURE;
  }

  NSWindow* window = [mView window];
  if (!window) {
    return NS_ERROR_FAILURE;
  }

  if (aVisibility) {
    [window deminiaturize:window];
  }
  else {
    [window miniaturize:window];
  }

  return NS_OK;
}

/* attribute wstring title; */
NS_IMETHODIMP 
nsCocoaBrowserListener::GetTitle(PRUnichar * *aTitle)
{
  NS_ENSURE_ARG_POINTER(aTitle);

  if (!mContainer) {
    return NS_ERROR_FAILURE;
  }

  NSString* title = [mContainer title];
  unsigned int length = [title length];
  if (length) {
    *aTitle = (PRUnichar*)nsMemory::Alloc((length+1)*sizeof(PRUnichar));
    if (!*aTitle) {
      return NS_ERROR_OUT_OF_MEMORY;
    }
    [title getCharacters:*aTitle];
  }
  else {
    *aTitle = nsnull;
  }
  
  return NS_OK;
}
NS_IMETHODIMP 
nsCocoaBrowserListener::SetTitle(const PRUnichar * aTitle)
{
  NS_ENSURE_ARG(aTitle);

  if (!mContainer) {
    return NS_ERROR_FAILURE;
  }

  NSString* str = [NSString stringWithCharacters:aTitle length:nsCRT::strlen(aTitle)];
  [mContainer setTitle:str];

  return NS_OK;
}

/* [noscript] readonly attribute voidPtr siteWindow; */
NS_IMETHODIMP 
nsCocoaBrowserListener::GetSiteWindow(void * *aSiteWindow)
{
  NS_ENSURE_ARG_POINTER(aSiteWindow);

  if (!mView) {
    return NS_ERROR_FAILURE;
  }

  NSWindow* window = [mView window];
  if (!window) {
    return NS_ERROR_FAILURE;
  }

  *aSiteWindow = (void*)window;

  return NS_OK;
}

// Implementation of nsIWebProgressListener
/* void onStateChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aStateFlags, in unsigned long aStatus); */
NS_IMETHODIMP 
nsCocoaBrowserListener::OnStateChange(nsIWebProgress *aWebProgress, 
				      nsIRequest *aRequest, 
				      PRInt32 aStateFlags, 
				      PRUint32 aStatus)
{
  NSEnumerator* enumerator = [mListeners objectEnumerator];
  id obj;
  
  if (aStateFlags & nsIWebProgressListener::STATE_IS_NETWORK) {
    if (aStateFlags & nsIWebProgressListener::STATE_START) {
      while ((obj = [enumerator nextObject])) {
	[obj onLoadingStarted];
      }
    }
    else if (aStateFlags & nsIWebProgressListener::STATE_STOP) {
      while ((obj = [enumerator nextObject])) {
	[obj onLoadingCompleted:(NS_SUCCEEDED(aStatus))];
      }
    }
  }


  return NS_OK;
}

/* void onProgressChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aCurSelfProgress, in long aMaxSelfProgress, in long aCurTotalProgress, in long aMaxTotalProgress); */
NS_IMETHODIMP 
nsCocoaBrowserListener::OnProgressChange(nsIWebProgress *aWebProgress, 
					 nsIRequest *aRequest, 
					 PRInt32 aCurSelfProgress, 
					 PRInt32 aMaxSelfProgress, 
					 PRInt32 aCurTotalProgress, 
					 PRInt32 aMaxTotalProgress)
{
  NSEnumerator* enumerator = [mListeners objectEnumerator];
  id obj;
 
  while ((obj = [enumerator nextObject])) {
    [obj onProgressChange:aCurTotalProgress outOf:aMaxTotalProgress];
  }
  
  return NS_OK;
}

/* void onLocationChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsIURI location); */
NS_IMETHODIMP 
nsCocoaBrowserListener::OnLocationChange(nsIWebProgress *aWebProgress, 
					 nsIRequest *aRequest, 
					 nsIURI *location)
{
  if (!location)
    return NS_ERROR_FAILURE;
    
  nsCAutoString spec;
  location->GetSpec(spec);
  const char* cstr = spec.get();
  NSString* str = [NSString stringWithCString:cstr];
  NSURL* url = [NSURL URLWithString:str];

  NSEnumerator* enumerator = [mListeners objectEnumerator];
  id obj;
 
  while ((obj = [enumerator nextObject])) {
    [obj onLocationChange:url];
  }

  return NS_OK;
}

/* void onStatusChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsresult aStatus, in wstring aMessage); */
NS_IMETHODIMP 
nsCocoaBrowserListener::OnStatusChange(nsIWebProgress *aWebProgress, 
				       nsIRequest *aRequest, 
				       nsresult aStatus, 
				       const PRUnichar *aMessage)
{
  nsCAutoString msg; msg.AssignWithConversion(aMessage);
  
  NSString* str = [NSString stringWithCString:msg.get()];
  
  NSEnumerator* enumerator = [mListeners objectEnumerator];
  id obj;
 
  while ((obj = [enumerator nextObject])) {
    [obj onStatusChange: str];
  }

  return NS_OK;
}

/* void onSecurityChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long state); */
NS_IMETHODIMP 
nsCocoaBrowserListener::OnSecurityChange(nsIWebProgress *aWebProgress, 
					 nsIRequest *aRequest, 
					 PRInt32 state)
{
  return NS_OK;
}

void 
nsCocoaBrowserListener::AddListener(id <NSBrowserListener> aListener)
{
  [mListeners addObject:aListener];
}

void 
nsCocoaBrowserListener::RemoveListener(id <NSBrowserListener> aListener)
{
  [mListeners removeObject:aListener];
}

void 
nsCocoaBrowserListener::SetContainer(id <NSBrowserContainer> aContainer)
{
  [mContainer autorelease];

  mContainer = aContainer;

  [mContainer retain];
}

// Implementation of a header sniffer class that is used when saving Web pages and images.
class nsHeaderSniffer :  public nsIWebProgressListener
{
public:
    nsHeaderSniffer(nsIWebBrowserPersist* aPersist, nsIFile* aFile, nsIURI* aURL,
                    nsIDOMDocument* aDocument, nsIInputStream* aPostData,
                    const nsCString& aSuggestedFilename, PRBool aBypassCache,
                    NSView* aFilterView, NSPopUpButton* aFilterList)
    {
        NS_INIT_REFCNT();
        mPersist = aPersist;
        mTmpFile = aFile;
        mURL = aURL;
        mDocument = aDocument;
        mPostData = aPostData;
        mDefaultFilename = aSuggestedFilename;
        mBypassCache = aBypassCache;
        mFilterView = aFilterView;
        mFilterList = aFilterList;
    }
                  
    virtual ~nsHeaderSniffer() 
    {
    };

    NS_DECL_ISUPPORTS
    NS_DECL_NSIWEBPROGRESSLISTENER
  
protected:
    void PerformSave();
    
private:
    nsIWebBrowserPersist* mPersist; // Weak. It owns us as a listener.
    nsCOMPtr<nsIFile> mTmpFile;
    nsCOMPtr<nsIURI> mURL;
    nsCOMPtr<nsIDOMDocument> mDocument;
    nsCOMPtr<nsIInputStream> mPostData;
    nsCString mDefaultFilename;
    PRBool mBypassCache;
    nsCString mContentType;
    nsCString mContentDisposition;
    NSView* mFilterView;
    NSPopUpButton* mFilterList;
};

NS_IMPL_ISUPPORTS1(nsHeaderSniffer, nsIWebProgressListener)

// Implementation of nsIWebProgressListener
/* void onStateChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aStateFlags, in unsigned long aStatus); */
NS_IMETHODIMP 
nsHeaderSniffer::OnStateChange(nsIWebProgress *aWebProgress, 
				      nsIRequest *aRequest, 
				      PRInt32 aStateFlags, 
				      PRUint32 aStatus)
{
    if (aStateFlags & nsIWebProgressListener::STATE_START) {
        nsCOMPtr<nsIChannel> channel(do_QueryInterface(aRequest));
        channel->GetContentType(mContentType);
       
        // Get the content-disposition if we're an HTTP channel.
        nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
        if (httpChannel)
            httpChannel->GetResponseHeader(nsCAutoString("content-disposition"), mContentDisposition);
        
        mPersist->CancelSave();
        PRBool exists;
        mTmpFile->Exists(&exists);
        if (exists)
            mTmpFile->Remove(PR_FALSE);
        PerformSave();
    }
    return NS_OK;
}

void nsHeaderSniffer::PerformSave()
{
    // Are we an HTML document? If so, we will want to append an accessory view to
    // the save dialog to provide the user with the option of doing a complete
    // save vs. a single file save.
    PRBool isHTML = (mDocument && mContentType.Equals("text/html") ||
                     mContentType.Equals("text/xml") ||
                     mContentType.Equals("application/xhtml+xml"));
    
    // Next find out the directory that we should start in.
    nsCOMPtr<nsIPrefService> prefs(do_GetService("@mozilla.org/preferences-service;1"));
    if (!prefs)
        return;
    nsCOMPtr<nsIPrefBranch> dirBranch;
    prefs->GetBranch("browser.download.", getter_AddRefs(dirBranch));
    PRInt32 filterIndex = 0;
    if (dirBranch) {
        nsresult rv = dirBranch->GetIntPref("save_converter_index", &filterIndex);
        if (NS_FAILED(rv))
            filterIndex = 0;
    }
    if (mFilterList)
        [mFilterList selectItemAtIndex: filterIndex];
        
    // We need to figure out what file name to use.
    nsCAutoString defaultFileName;
    if (!mContentDisposition.IsEmpty()) {
        // (1) Use the HTTP header suggestion.
        PRInt32 index = mContentDisposition.Find("filename=");
        if (index >= 0) {
            // Take the substring following the prefix.
            index += 9;
            nsCAutoString filename;
            mContentDisposition.Right(filename, mContentDisposition.Length() - index);
            defaultFileName = filename;
        }
    }
    
    if (defaultFileName.IsEmpty()) {
        nsCOMPtr<nsIURL> url(do_QueryInterface(mURL));
        if (url)
            url->GetFileName(defaultFileName); // (2) For file URLs, use the file name.
    }
    
    if (defaultFileName.IsEmpty() && mDocument && isHTML) {
        nsCOMPtr<nsIDOMHTMLDocument> htmlDoc(do_QueryInterface(mDocument));
        nsAutoString title;
        if (htmlDoc)
            htmlDoc->GetTitle(title); // (3) Use the title of the document.
        defaultFileName.AssignWithConversion(title);
    }
    
    if (defaultFileName.IsEmpty()) {
        // (4) Use the caller provided name.
        defaultFileName = mDefaultFilename;
    }

    if (defaultFileName.IsEmpty())
        // (5) Use the host.
        mURL->GetHost(defaultFileName);
    
    // One last case to handle about:blank and other fruity untitled pages.
    if (defaultFileName.IsEmpty())
        defaultFileName = "untitled";
        
    // Validate the file name to ensure legality.
    for (PRUint32 i = 0; i < defaultFileName.Length(); i++)
        if (defaultFileName[i] == ':' || defaultFileName[i] == '/')
            defaultFileName.SetCharAt(i, ' ');
            
    // Make sure the appropriate extension is appended to the suggested file name.
    nsCOMPtr<nsIURI> fileURI(do_CreateInstance("@mozilla.org/network/standard-url;1"));
    nsCOMPtr<nsIURL> fileURL(do_QueryInterface(fileURI));
    if (!fileURL)
        return;
    fileURL->SetFilePath(defaultFileName);
    
    nsCAutoString fileExtension;
    fileURL->GetFileExtension(fileExtension);
    
    PRBool setExtension = PR_FALSE;
    if (mContentType.Equals("text/html")) {
        if (fileExtension.IsEmpty() || (!fileExtension.Equals("htm") && !fileExtension.Equals("html"))) {
            defaultFileName += ".html";
            setExtension = PR_TRUE;
        }
    }
    
    if (!setExtension && fileExtension.IsEmpty()) {
        nsCOMPtr<nsIMIMEService> mimeService(do_GetService("@mozilla.org/mime;1"));
        if (!mimeService)
            return;
        nsCOMPtr<nsIMIMEInfo> mimeInfo;
        mimeService->GetFromMIMEType(mContentType.get(), getter_AddRefs(mimeInfo));
        
        PRUint32 extCount;
        char** extList;
        mimeInfo->GetFileExtensions(&extCount, &extList);
        
        if (extCount > 0) {
            defaultFileName += ".";
            defaultFileName += extList[0];
        }
    }
    
    // Now it's time to pose the save dialog.
    NSSavePanel* savePanel = [NSSavePanel savePanel];
    NSString* file = nil;
    if (!defaultFileName.IsEmpty())
        file = [[NSString alloc] initWithCString: defaultFileName.get()];
        
    if (isHTML)
        [savePanel setAccessoryView: mFilterView];
        
    if ([savePanel runModalForDirectory: nil file: file] == NSFileHandlingPanelCancelButton)
        return;
       
    // Release the file string.
    [file release];
    
    // Update the filter index.
    if (isHTML && mFilterList) {
        filterIndex = [mFilterList indexOfSelectedItem];
        dirBranch->SetIntPref("save_converter_index", filterIndex);
    }
    
    // Convert the content type to text/plain if it was selected in the filter.
    if (isHTML && filterIndex == 2)
        mContentType = "text/plain";
    
    nsCOMPtr<nsISupports> sourceData;
    if (isHTML && filterIndex != 1)
        sourceData = do_QueryInterface(mDocument);
    else
        sourceData = do_QueryInterface(mURL);
        
    nsCOMPtr<nsIWebBrowserPersist> webPersist(do_CreateInstance(persistContractID));
    ProgressDlgController* progressDialog = [[ProgressDlgController alloc] initWithWindowNibName: @"ProgressDialog"];
    [progressDialog setWebPersist: webPersist 
                    source: sourceData.get()
                    destination: [savePanel filename]
                    contentType: mContentType.get()
                    postData: mPostData
                    bypassCache: mBypassCache];
                    
    [progressDialog showWindow: progressDialog];
}

/* void onProgressChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aCurSelfProgress, in long aMaxSelfProgress, in long aCurTotalProgress, in long aMaxTotalProgress); */
NS_IMETHODIMP 
nsHeaderSniffer::OnProgressChange(nsIWebProgress *aWebProgress, 
					 nsIRequest *aRequest, 
					 PRInt32 aCurSelfProgress, 
					 PRInt32 aMaxSelfProgress, 
					 PRInt32 aCurTotalProgress, 
					 PRInt32 aMaxTotalProgress)
{
  return NS_OK;
}

/* void onLocationChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsIURI location); */
NS_IMETHODIMP 
nsHeaderSniffer::OnLocationChange(nsIWebProgress *aWebProgress, 
					 nsIRequest *aRequest, 
					 nsIURI *location)
{
  return NS_OK;
}

/* void onStatusChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsresult aStatus, in wstring aMessage); */
NS_IMETHODIMP 
nsHeaderSniffer::OnStatusChange(nsIWebProgress *aWebProgress, 
				       nsIRequest *aRequest, 
				       nsresult aStatus, 
				       const PRUnichar *aMessage)
{
  return NS_OK;
}

/* void onSecurityChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long state); */
NS_IMETHODIMP 
nsHeaderSniffer::OnSecurityChange(nsIWebProgress *aWebProgress, 
					              nsIRequest *aRequest, 
                                  PRInt32 state)
{
  return NS_OK;
}


@implementation NSBrowserView

- (id)initWithFrame:(NSRect)frame andWindow:(NSWindow*)aWindow
{
  mWindow = aWindow;
  return [self initWithFrame:frame];
}

- (id)initWithFrame:(NSRect)frame
{
    if ( (self = [super initWithFrame:frame]) ) {

        nsresult rv = nsCocoaBrowserService::InitEmbedding();
        if (NS_FAILED(rv)) {
    // XXX need to throw
        }

        _listener = new nsCocoaBrowserListener(self);
        NS_ADDREF(_listener);
        
  // Create the web browser instance
        nsCOMPtr<nsIWebBrowser> browser = do_CreateInstance(NS_WEBBROWSER_CONTRACTID, &rv);
        if (NS_FAILED(rv)) {
    // XXX need to throw
        }

        _webBrowser = browser;
        NS_ADDREF(_webBrowser);
        
  // Set the container nsIWebBrowserChrome
        _webBrowser->SetContainerWindow(NS_STATIC_CAST(nsIWebBrowserChrome *,
                                                       _listener));
        
  // Register as a listener for web progress
        nsCOMPtr<nsIWeakReference> weak = do_GetWeakReference(NS_STATIC_CAST(nsIWebProgressListener*, _listener));
        _webBrowser->AddWebBrowserListener(weak, NS_GET_IID(nsIWebProgressListener));
        
  // Hook up the widget hierarchy with us as the parent
        nsCOMPtr<nsIBaseWindow> baseWin = do_QueryInterface(_webBrowser);
        baseWin->InitWindow((NSView*)self, nsnull, 0, 0,
                            frame.size.width, frame.size.height);
        baseWin->Create();
    }
  return self;
}

- (void)destroyWebBrowser
{
  nsCOMPtr<nsIBaseWindow> baseWin = do_QueryInterface(_webBrowser);
  baseWin->Destroy();
}

- (void)dealloc 
{
  [super dealloc];
  
  NS_RELEASE(_listener);
  NS_IF_RELEASE(_webBrowser);
  
  nsCocoaBrowserService::BrowserClosed();
  
  printf("NSBrowserView died.\n");
}

- (void)setFrame:(NSRect)frameRect 
{
  [super setFrame:frameRect];
  if (_webBrowser) {
    nsCOMPtr<nsIBaseWindow> window = do_QueryInterface(_webBrowser);
    window->SetSize((PRInt32)frameRect.size.width, 
		    (PRInt32)frameRect.size.height,
		    PR_TRUE);
  }
}

- (void)addListener:(id <NSBrowserListener>)listener
{
  _listener->AddListener(listener);
}

- (void)removeListener:(id <NSBrowserListener>)listener
{
  _listener->RemoveListener(listener);
}

- (void)setContainer:(id <NSBrowserContainer>)container
{
  _listener->SetContainer(container);
}

- (nsIDOMWindow*)getContentWindow
{
  nsIDOMWindow* window;

  _webBrowser->GetContentDOMWindow(&window);

  return window;
}

- (void)loadURI:(NSURL *)url flags:(unsigned int)flags
{
  nsCOMPtr<nsIWebNavigation> nav = do_QueryInterface(_webBrowser);
  
  NSString* spec = [url absoluteString];
  int length = [spec length];
  PRUnichar* specStr = nsMemory::Alloc((length+1) * sizeof(PRUnichar));
  [spec getCharacters:specStr];
  specStr[length] = PRUnichar(0);
  

  PRUint32 navFlags = nsIWebNavigation::LOAD_FLAGS_NONE;
  if (flags & NSLoadFlagsDontPutInHistory) {
    navFlags |= nsIWebNavigation::LOAD_FLAGS_BYPASS_HISTORY;
  }
  if (flags & NSLoadFlagsReplaceHistoryEntry) {
    navFlags |= nsIWebNavigation::LOAD_FLAGS_REPLACE_HISTORY;
  }
  if (flags & NSLoadFlagsBypassCacheAndProxy) {
    navFlags |= nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE | 
                nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY;
  }

  nsresult rv = nav->LoadURI(specStr, navFlags, nsnull, nsnull, nsnull);
  if (NS_FAILED(rv)) {
    // XXX need to throw
  }

  nsMemory::Free(specStr);
}

- (void)reload:(unsigned int)flags
{
  nsCOMPtr<nsIWebNavigation> nav = do_QueryInterface(_webBrowser);

  PRUint32 navFlags = nsIWebNavigation::LOAD_FLAGS_NONE;
  if (flags & NSLoadFlagsBypassCacheAndProxy) {
    navFlags |= nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE | 
                nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY;
  }

  nsresult rv = nav->Reload(navFlags);
  if (NS_FAILED(rv)) {
    // XXX need to throw
  }  
}

- (BOOL)canGoBack
{
  nsCOMPtr<nsIWebNavigation> nav = do_QueryInterface(_webBrowser);

  PRBool can;
  nav->GetCanGoBack(&can);

  return can ? YES : NO;
}

- (BOOL)canGoForward
{
  nsCOMPtr<nsIWebNavigation> nav = do_QueryInterface(_webBrowser);

  PRBool can;
  nav->GetCanGoForward(&can);

  return can ? YES : NO;
}

- (void)goBack
{
  nsCOMPtr<nsIWebNavigation> nav = do_QueryInterface(_webBrowser);

  nsresult rv = nav->GoBack();
  if (NS_FAILED(rv)) {
    // XXX need to throw
  }  
}

- (void)goForward
{
  nsCOMPtr<nsIWebNavigation> nav = do_QueryInterface(_webBrowser);

  nsresult rv = nav->GoForward();
  if (NS_FAILED(rv)) {
    // XXX need to throw
  }  
}

- (void)gotoIndex:(int)index
{
  nsCOMPtr<nsIWebNavigation> nav = do_QueryInterface(_webBrowser);

  nsresult rv = nav->GotoIndex(index);
  if (NS_FAILED(rv)) {
    // XXX need to throw
  }    
}

- (void)stop:(unsigned int)flags
{
  nsCOMPtr<nsIWebNavigation> nav = do_QueryInterface(_webBrowser);

  nsresult rv = nav->Stop(flags);
  if (NS_FAILED(rv)) {
    // XXX need to throw
  }    
}

- (NSURL*)getCurrentURI
{
  nsCOMPtr<nsIURI> uri;
  nsCOMPtr<nsIWebNavigation> nav = do_QueryInterface(_webBrowser);

  nav->GetCurrentURI(getter_AddRefs(uri));
  if (!uri) {
    return nsnull;
  }

  nsCAutoString spec;
  uri->GetSpec(spec);
  
  const char* cstr = spec.get();
  NSString* str = [NSString stringWithCString:cstr];
  NSURL* url = [NSURL URLWithString:str];
  
  return url;
}

- (nsCocoaBrowserListener*)getCocoaBrowserListener
{
  return _listener;
}

- (nsIWebBrowser*)getWebBrowser
{
  NS_IF_ADDREF(_webBrowser);
  return _webBrowser;
}

- (void)setWebBrowser:(nsIWebBrowser*)browser
{
  _webBrowser = browser;

  if (_webBrowser) {
    // Set the container nsIWebBrowserChrome
    _webBrowser->SetContainerWindow(NS_STATIC_CAST(nsIWebBrowserChrome *, 
						   _listener));

    NSRect frame = [self frame];
 
    // Hook up the widget hierarchy with us as the parent
    nsCOMPtr<nsIBaseWindow> baseWin = do_QueryInterface(_webBrowser);
    baseWin->InitWindow((NSView*)self, nsnull, 0, 0, 
			frame.size.width, frame.size.height);
    baseWin->Create();
  }

}

-(void) saveInternal: (nsIURI*)aURI
        withDocument: (nsIDOMDocument*)aDocument
        suggestedFilename: (const char*)aFilename
        bypassCache: (BOOL)aBypassCache
        filterView: (NSView*)aFilterView
        filterList: (NSPopUpButton*)aFilterList
{
    // Create our web browser persist object.  This is the object that knows
    // how to actually perform the saving of the page (and of the images
    // on the page).
    nsCOMPtr<nsIWebBrowserPersist> webPersist(do_CreateInstance(persistContractID));
    if (!webPersist)
        return;
    
    // Make a temporary file object that we can save to.
    nsCOMPtr<nsIProperties> dirService(do_GetService(dirServiceContractID));
    if (!dirService)
        return;
    nsCOMPtr<nsIFile> tmpFile;
    dirService->Get("TmpD", NS_GET_IID(nsIFile), getter_AddRefs(tmpFile));
    static short unsigned int tmpRandom = 0;
    nsCAutoString tmpNo; tmpNo.AppendInt(tmpRandom++);
    nsCAutoString saveFile("-sav");
    saveFile += tmpNo;
    saveFile += "tmp";
    tmpFile->Append(saveFile.get()); 
    
    // Get the post data if we're an HTML doc.
    nsCOMPtr<nsIInputStream> postData;
    if (aDocument) {
      nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(_webBrowser));
      nsCOMPtr<nsISHistory> sessionHistory;
      webNav->GetSessionHistory(getter_AddRefs(sessionHistory));
      nsCOMPtr<nsIHistoryEntry> entry;
      PRInt32 sindex;
      sessionHistory->GetIndex(&sindex);
      sessionHistory->GetEntryAtIndex(sindex, PR_FALSE, getter_AddRefs(entry));
      nsCOMPtr<nsISHEntry> shEntry(do_QueryInterface(entry));
      if (shEntry)
          shEntry->GetPostData(getter_AddRefs(postData));
    }

    nsCAutoString fileName(aFilename);
    nsHeaderSniffer* sniffer = new nsHeaderSniffer(webPersist, tmpFile, aURI, 
                                                   aDocument, postData, fileName, aBypassCache,
                                                   aFilterView, aFilterList);
    if (!sniffer)
        return;
    webPersist->SetProgressListener(sniffer);
    webPersist->SaveURI(aURI, nsnull, tmpFile);
}

-(void)printDocument
{
    nsCOMPtr<nsIDOMWindow> domWindow;
    _webBrowser->GetContentDOMWindow(getter_AddRefs(domWindow));
    nsCOMPtr<nsIInterfaceRequestor> ir(do_QueryInterface(domWindow));
    nsCOMPtr<nsIWebBrowserPrint> print;
    ir->GetInterface(NS_GET_IID(nsIWebBrowserPrint), getter_AddRefs(print));
    print->Print(nsnull, nsnull);
}

-(BOOL)findInPage:(NSString*)inText
{
    PRBool found =  PR_FALSE;
    
    nsCOMPtr<nsIWebBrowserFocus> wbf(do_QueryInterface(_webBrowser));
    nsCOMPtr<nsIDOMWindow> rootWindow;
    nsCOMPtr<nsIDOMWindow> focusedWindow;
    _webBrowser->GetContentDOMWindow(getter_AddRefs(rootWindow));
    wbf->GetFocusedWindow(getter_AddRefs(focusedWindow));
    if (!focusedWindow)
        focusedWindow = rootWindow;
    nsCOMPtr<nsIWebBrowserFind> webFind(do_GetInterface(_webBrowser));
    if ( webFind ) {
      nsCOMPtr<nsIWebBrowserFindInFrames> framesFind(do_QueryInterface(webFind));
      framesFind->SetRootSearchFrame(rootWindow);
      framesFind->SetCurrentSearchFrame(focusedWindow);
      
      PRUnichar* text = (PRUnichar*)nsMemory::Alloc(([inText length]+1)*sizeof(PRUnichar));
      if ( text ) {
        [inText getCharacters:text];
        text[[inText length]] = 0;
        webFind->SetSearchString(text);
        webFind->FindNext(&found);
        nsMemory::Free(text);
      }
    }
    return found;
}

- (void)saveURL: (NSView*)aFilterView filterList: (NSPopUpButton*)aFilterList
            url: (NSURL*)aURL suggestedFilename: (NSString*)aFilename
{
  nsCOMPtr<nsIURI> url;
  nsresult rv = NS_NewURI(getter_AddRefs(url), [[aURL absoluteString] cString]);
  if (NS_FAILED(rv))
    return;
  
  [self saveInternal: url.get()
        withDocument: nsnull
   suggestedFilename: [aFilename cString]
         bypassCache: YES
          filterView: aFilterView
          filterList: aFilterList];
}

- (void)saveDocument: (NSView*)aFilterView filterList: (NSPopUpButton*)aFilterList
{
    nsCOMPtr<nsIWebBrowserFocus> wbf(do_QueryInterface(_webBrowser));
    nsCOMPtr<nsIDOMWindow> domWindow;
    wbf->GetFocusedWindow(getter_AddRefs(domWindow));
    if (!domWindow)
        _webBrowser->GetContentDOMWindow(getter_AddRefs(domWindow));
    if (!domWindow)
        return;
    
    nsCOMPtr<nsIDOMDocument> domDocument;
    domWindow->GetDocument(getter_AddRefs(domDocument));
    if (!domDocument)
        return;
    nsCOMPtr<nsIDOMNSDocument> nsDoc(do_QueryInterface(domDocument));
    if (!nsDoc)
        return;
    nsCOMPtr<nsIDOMLocation> location;
    nsDoc->GetLocation(getter_AddRefs(location));
    if (!location)
        return;
    nsAutoString urlStr;
    location->GetHref(urlStr);
    nsCAutoString urlCStr; urlCStr.AssignWithConversion(urlStr);
    nsCOMPtr<nsIURI> url;
    nsresult rv = NS_NewURI(getter_AddRefs(url), urlCStr.get());
    if (NS_FAILED(rv))
        return;
    
    [self saveInternal: url.get()
          withDocument: domDocument
          suggestedFilename: ""
          bypassCache: NO
          filterView: aFilterView
          filterList: aFilterList];
}


-(IBAction)cut:(id)aSender
{
    nsCOMPtr<nsIClipboardCommands> clipboard(do_GetInterface(_webBrowser));
    clipboard->CutSelection();
}

-(IBAction)copy:(id)aSender
{
    nsCOMPtr<nsIClipboardCommands> clipboard(do_GetInterface(_webBrowser));
    clipboard->CopySelection();
}

-(IBAction)paste:(id)aSender
{
    nsCOMPtr<nsIClipboardCommands> clipboard(do_GetInterface(_webBrowser));
    clipboard->Paste();
}

-(IBAction)clear:(id)aSender
{
    nsCOMPtr<nsIClipboardCommands> clipboard(do_GetInterface(_webBrowser));
    clipboard->SelectNone();
}

-(IBAction)selectAll:(id)aSender
{
    nsCOMPtr<nsIClipboardCommands> clipboard(do_GetInterface(_webBrowser));
    clipboard->SelectAll();
}

-(IBAction)undo:(id)aSender
{
  NSLog(@"Undo not yet implemented");
}

-(NSString*)getCurrentURLSpec
{
    NSString* empty = @"";
    nsCOMPtr<nsIDOMWindow> domWindow;
    _webBrowser->GetContentDOMWindow(getter_AddRefs(domWindow));
    if (!domWindow)
        return empty;
    
    nsCOMPtr<nsIDOMDocument> domDocument;
    domWindow->GetDocument(getter_AddRefs(domDocument));
    if (!domDocument)
        return empty;
    nsCOMPtr<nsIDOMNSDocument> nsDoc(do_QueryInterface(domDocument));
    if (!nsDoc)
        return empty;
    nsCOMPtr<nsIDOMLocation> location;
    nsDoc->GetLocation(getter_AddRefs(location));
    if (!location)
        return empty;
    nsAutoString urlStr;
    location->GetHref(urlStr);
    nsCAutoString urlCStr; urlCStr.AssignWithConversion(urlStr);
    
    return [NSString stringWithCString: urlCStr.get()];
}

- (void)setActive: (BOOL)aIsActive
{
    nsCOMPtr<nsIWebBrowserFocus> wbf(do_QueryInterface(_webBrowser));
    if (aIsActive)
        wbf->Activate();
    else
        wbf->Deactivate();
}

-(NSMenu*)getContextMenu
{
  return [[self superview] getContextMenu];
}

-(NSWindow*)getNativeWindow
{
  NSWindow* result = [self window];
  if (result)
    return result; // We're visible.  Just hand the window back.
  else {
    // We're invisible.  It's likely that we're in a Cocoa tab view.
    // First see if we have a cached window.
    if (mWindow)
      return mWindow;
    
    // Finally, see if our parent responds to the getNativeWindow selector,
    // and if they do, let them handle it.
    return [[self superview] getNativeWindow];
  }
}

@end


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