extensions/cookie/nsCookiePromptService.cpp

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Original Code is cookie manager code.
  15  *
  16  * The Initial Developer of the Original Code is
  17  * Michiel van Leeuwen (mvl@exedo.nl).
  18  * Portions created by the Initial Developer are Copyright (C) 2003
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *
  23  * Alternatively, the contents of this file may be used under the terms of
  24  * either the GNU General Public License Version 2 or later (the "GPL"), or
  25  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  26  * in which case the provisions of the GPL or the LGPL are applicable instead
  27  * of those above. If you wish to allow use of your version of this file only
  28  * under the terms of either the GPL or the LGPL, and not to allow others to
  29  * use your version of this file under the terms of the MPL, indicate your
  30  * decision by deleting the provisions above and replace them with the notice
  31  * and other provisions required by the GPL or the LGPL. If you do not delete
  32  * the provisions above, a recipient may use your version of this file under
  33  * the terms of any one of the MPL, the GPL or the LGPL.
  34  *
  35  * ***** END LICENSE BLOCK ***** */
  36
  37
  38 #include "nsCookiePromptService.h"
  39 #include "nsICookie.h"
  40 #include "nsICookieAcceptDialog.h"
  41 #include "nsIDOMWindow.h"
  42 #include "nsPIDOMWindow.h"
  43 #include "nsIWindowWatcher.h"
  44 #include "nsIServiceManager.h"
  45 #include "nsString.h"
  46 #include "nsIDialogParamBlock.h"
  47 #include "nsIMutableArray.h"
  48
  49 /****************************************************************
  50  ************************ nsCookiePromptService *****************
  51  ****************************************************************/
  52
  53 NS_IMPL_ISUPPORTS1(nsCookiePromptService, nsICookiePromptService)
  54
  55 nsCookiePromptService::nsCookiePromptService() {
  56 }
  57
  58 nsCookiePromptService::~nsCookiePromptService() {
  59 }
  60
  61 NS_IMETHODIMP
  62 nsCookiePromptService::CookieDialog(nsIDOMWindow *aParent,
  63                                     nsICookie *aCookie,
  64                                     const nsACString &aHostname,
  65                                     PRInt32 aCookiesFromHost,
  66                                     PRBool aChangingCookie,
  67                                     PRBool *aRememberDecision,
  68                                     PRInt32 *aAccept)
  69 {
  70   nsresult rv;
  71
  72   nsCOMPtr<nsIDialogParamBlock> block = do_CreateInstance(NS_DIALOGPARAMBLOCK_CONTRACTID,&rv);
  73   if (NS_FAILED(rv)) return rv;
  74
  75   // since we're setting PRInt32's here, we have to sanitize the PRBool's first.
  76   // (myBool != PR_FALSE) is guaranteed to return either 1 or 0.
  77   block->SetInt(nsICookieAcceptDialog::ACCEPT_COOKIE, 1);
  78   block->SetString(nsICookieAcceptDialog::HOSTNAME, NS_ConvertUTF8toUTF16(aHostname).get());
  79   block->SetInt(nsICookieAcceptDialog::COOKIESFROMHOST, aCookiesFromHost);
  80   block->SetInt(nsICookieAcceptDialog::CHANGINGCOOKIE, aChangingCookie != PR_FALSE);
  81
  82   nsCOMPtr<nsIMutableArray> objects =
  83     do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
  84   if (NS_FAILED(rv)) return rv;
  85
  86   rv = objects->AppendElement(aCookie, PR_FALSE);
  87   if (NS_FAILED(rv)) return rv;
  88
  89   block->SetObjects(objects);
  90
  91   nsCOMPtr<nsIWindowWatcher> wwatcher = do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
  92   if (NS_FAILED(rv)) return rv;
  93
  94   nsCOMPtr<nsISupports> arguments = do_QueryInterface(block);
  95   nsCOMPtr<nsIDOMWindow> dialog;
  96
  97   nsCOMPtr<nsIDOMWindow> parent(aParent);
  98   if (!parent) // if no parent provided, consult the window watcher:
  99     wwatcher->GetActiveWindow(getter_AddRefs(parent));
 100
 101   if (parent) {
 102     nsCOMPtr<nsPIDOMWindow> privateParent(do_QueryInterface(parent));
 103     if (privateParent)
 104       privateParent = privateParent->GetPrivateRoot();
 105     parent = do_QueryInterface(privateParent);
 106   }
 107
 108   // The cookie dialog will be modal for the root chrome window rather than the
 109   // tab containing the permission-requesting page.  This removes confusion
 110   // about which monitor is displaying the dialog (see bug 470356), but also
 111   // avoids unwanted tab switches (see bug 405239).
 112   rv = wwatcher->OpenWindow(parent, "chrome://cookie/content/cookieAcceptDialog.xul", "_blank",
 113                             "centerscreen,chrome,modal,titlebar", arguments,
 114                             getter_AddRefs(dialog));
 115
 116   if (NS_FAILED(rv)) return rv;
 117
 118   // get back output parameters
 119   PRBool tempValue;
 120   block->GetInt(nsICookieAcceptDialog::ACCEPT_COOKIE, &tempValue);
 121   *aAccept = tempValue;
 122
 123   // GetInt returns a PRInt32; we need to sanitize it into PRBool
 124   block->GetInt(nsICookieAcceptDialog::REMEMBER_DECISION, &tempValue);
 125   *aRememberDecision = (tempValue == 1);
 126
 127   return rv;
 128 }
 129