/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * 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
 * Mozilla Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2007
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Shawn Wilsher <me@shawnwilsher.com> (Original Author)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of 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 MPL, 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 MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#if (MOZ_PLATFORM_MAEMO == 5) && defined (MOZ_ENABLE_GNOMEVFS)
#include <glib.h>
#include <hildon-uri.h>
#include <hildon-mime.h>
#include <libosso.h>
#endif

#include "nsMIMEInfoUnix.h"
#include "nsGNOMERegistry.h"
#include "nsIGIOService.h"
#include "nsIGnomeVFSService.h"
#include "nsAutoPtr.h"
#ifdef MOZ_ENABLE_DBUS
#include "nsDBusHandlerApp.h"
#endif

nsresult
nsMIMEInfoUnix::LoadUriInternal(nsIURI * aURI)
{
  nsresult rv = nsGNOMERegistry::LoadURL(aURI);
#if (MOZ_PLATFORM_MAEMO == 5) && defined (MOZ_ENABLE_GNOMEVFS)
  if (NS_FAILED(rv)){
    HildonURIAction *action = hildon_uri_get_default_action(mType.get(), nsnull);
    if (action) {
      nsCAutoString spec;
      aURI->GetAsciiSpec(spec);
      if (hildon_uri_open(spec.get(), action, nsnull))
        rv = NS_OK;
      hildon_uri_action_unref(action);
    }
  }
#endif
  return rv;
}

NS_IMETHODIMP
nsMIMEInfoUnix::GetHasDefaultHandler(PRBool *_retval)
{
  *_retval = PR_FALSE;
  nsRefPtr<nsMIMEInfoBase> mimeInfo = nsGNOMERegistry::GetFromType(mType);
  if (!mimeInfo) {
    nsCAutoString ext;
    nsresult rv = GetPrimaryExtension(ext);
    if (NS_SUCCEEDED(rv)) {
      mimeInfo = nsGNOMERegistry::GetFromExtension(ext);
    }
  }
  if (mimeInfo)
    *_retval = PR_TRUE;

  if (*_retval)
    return NS_OK;

#if (MOZ_PLATFORM_MAEMO == 5) && defined (MOZ_ENABLE_GNOMEVFS)
  HildonURIAction *action = hildon_uri_get_default_action(mType.get(), nsnull);
  if (action) {
    *_retval = PR_TRUE;
    hildon_uri_action_unref(action);
    return NS_OK;
  }
#endif

  // If we didn't find a VFS handler, fallback.
  return nsMIMEInfoImpl::GetHasDefaultHandler(_retval);
}

nsresult
nsMIMEInfoUnix::LaunchDefaultWithFile(nsIFile *aFile)
{
  nsCAutoString nativePath;
  aFile->GetNativePath(nativePath);

#if (MOZ_PLATFORM_MAEMO == 5) && defined (MOZ_ENABLE_GNOMEVFS)
  if(NS_SUCCEEDED(LaunchDefaultWithDBus(PromiseFlatCString(nativePath).get())))
    return NS_OK;
#endif

  nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
  nsCOMPtr<nsIGnomeVFSService> gnomevfs = do_GetService(NS_GNOMEVFSSERVICE_CONTRACTID);
  if (giovfs) {
    nsCOMPtr<nsIGIOMimeApp> app;
    if (NS_SUCCEEDED(giovfs->GetAppForMimeType(mType, getter_AddRefs(app))) && app)
      return app->Launch(nativePath);
  } else if (gnomevfs) {
    /* Fallback to GnomeVFS */
    nsCOMPtr<nsIGnomeVFSMimeApp> app;
    if (NS_SUCCEEDED(gnomevfs->GetAppForMimeType(mType, getter_AddRefs(app))) && app)
      return app->Launch(nativePath);
  }

  // If we haven't got an app we try to get a valid one by searching for the
  // extension mapped type
  nsRefPtr<nsMIMEInfoBase> mimeInfo = nsGNOMERegistry::GetFromExtension(nativePath);
  if (mimeInfo) {
    nsCAutoString type;
    mimeInfo->GetType(type);
    if (giovfs) {
      nsCOMPtr<nsIGIOMimeApp> app;
      if (NS_SUCCEEDED(giovfs->GetAppForMimeType(type, getter_AddRefs(app))) && app)
        return app->Launch(nativePath);
    } else if (gnomevfs) {
      nsCOMPtr<nsIGnomeVFSMimeApp> app;
      if (NS_SUCCEEDED(gnomevfs->GetAppForMimeType(type, getter_AddRefs(app))) && app)
        return app->Launch(nativePath);
    }
  }

  if (!mDefaultApplication)
    return NS_ERROR_FILE_NOT_FOUND;

  return LaunchWithIProcess(mDefaultApplication, nativePath);
}

#if (MOZ_PLATFORM_MAEMO == 5) && defined (MOZ_ENABLE_GNOMEVFS)

/* This method tries to launch the associated default handler for the given 
 * mime/file via hildon specific APIs (in this case hildon_mime_open_file* 
 * which are essetially wrappers to the DBUS mime_open method). 
 */

nsresult
nsMIMEInfoUnix::LaunchDefaultWithDBus(const char *aFilePath)
{
  const PRInt32 kHILDON_SUCCESS = 1;
  PRInt32 result = 0;
  DBusError err;
  dbus_error_init(&err);
  
  DBusConnection *connection = dbus_bus_get(DBUS_BUS_SESSION, &err);
  if (dbus_error_is_set(&err)) {
    dbus_error_free(&err);
    return NS_ERROR_FAILURE;
  }

  if (nsnull == connection)
    return NS_ERROR_FAILURE;

  result = hildon_mime_open_file_with_mime_type(connection,
                                                aFilePath,
                                                mType.get());
  if (result != kHILDON_SUCCESS)
    if (hildon_mime_open_file(connection, aFilePath) != kHILDON_SUCCESS)
      return NS_ERROR_FAILURE;

  return NS_OK;
}

/* static */ PRBool
nsMIMEInfoUnix::HandlerExists(const char *aProtocolScheme)
{
  PRBool isEnabled = PR_FALSE;
  HildonURIAction *action = hildon_uri_get_default_action(aProtocolScheme, nsnull);
  if (action) {
    isEnabled = PR_TRUE;
    hildon_uri_action_unref(action);
  }
  return isEnabled;
}

NS_IMETHODIMP
nsMIMEInfoUnix::GetPossibleApplicationHandlers(nsIMutableArray ** aPossibleAppHandlers)
{
  if (!mPossibleApplications) {
    mPossibleApplications = do_CreateInstance(NS_ARRAY_CONTRACTID);

    if (!mPossibleApplications)
      return NS_ERROR_OUT_OF_MEMORY;

    GSList *actions = hildon_uri_get_actions(mType.get(), nsnull);
    GSList *actionsPtr = actions;
    while (actionsPtr) {
      HildonURIAction *action = (HildonURIAction*)actionsPtr->data;
      actionsPtr = actionsPtr->next;
      nsDBusHandlerApp* app = new nsDBusHandlerApp();
      if (!app){
        hildon_uri_free_actions(actions);
        return NS_ERROR_OUT_OF_MEMORY;
      }
      nsDependentCString method(hildon_uri_action_get_method(action));
      nsDependentCString key(hildon_uri_action_get_service(action));
      nsCString service, objpath, interface;
      app->SetMethod(method);
      app->SetName(NS_ConvertUTF8toUTF16(key));

      if (key.FindChar('.', 0) > 0) {
        service.Assign(key);
        objpath.Assign(NS_LITERAL_CSTRING("/")+ key);
        objpath.ReplaceChar('.', '/');
        interface.Assign(key);
      } else {
        service.Assign(NS_LITERAL_CSTRING("com.nokia.")+ key);
        objpath.Assign(NS_LITERAL_CSTRING("/com/nokia/")+ key);
        interface.Assign(NS_LITERAL_CSTRING("com.nokia.")+ key);
      }

      app->SetService(service);
      app->SetObjectPath(objpath);
      app->SetDBusInterface(interface);

      mPossibleApplications->AppendElement(app, PR_FALSE);
    }
    hildon_uri_free_actions(actions);
  }

  *aPossibleAppHandlers = mPossibleApplications;
  NS_ADDREF(*aPossibleAppHandlers);
  return NS_OK;
}
#endif