Fix prompt service for xr 1.9 wrt. DOM notifications. Bug #504445.

svn path=/trunk/; revision=7967

1 files changed, 182 insertions, 0 deletions

diff --git a/embed/mozilla/AutoModalDialog.cpp b/embed/mozilla/AutoModalDialog.cpp
new file mode 100644
index 000000000..994cfe4fa
--- /dev/null
+++ b/embed/mozilla/AutoModalDialog.cpp
@@ -0,0 +1,182 @@
+/* 
+ *  Copyright © 2006, 2008 Christian Persch
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published by
+ *  the Free Software Foundation; either version 2.1, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *  Some code taken from mozilla/embedding/components/windowwatcher/src/nsPromptService.cpp
+ *  which was under MPL/LGPL/GPL tri-licence and is here being used under the licence above.
+ *  Original notice:
+ *
+ *   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) 2001
+ *   the Initial Developer. All Rights Reserved.
+ */
+
+#include <xpcom-config.h>
+#include <config.h>
+
+#ifdef HAVE_GECKO_1_9
+#include <nsIDOMDocumentEvent.h>
+#include <nsIDOMDocument.h>
+#include <nsIDOMEvent.h>
+#include <nsIDOMEventTarget.h>
+#include <nsIJSContextStack.h>
+#include <nsIPrivateDOMEvent.h>
+#include <nsPIDOMWindow.h>
+#include <nsServiceManagerUtils.h>
+#include <nsThreadUtils.h>
+#endif /* HAVE_GECKO_1_9 */
+
+#include <gtk/gtkdialog.h>
+
+#include "EphyUtils.h"
+
+#include "AutoModalDialog.h"
+
+AutoModalDialog::AutoModalDialog (nsIDOMWindow *aWindow,
+                                  PRBool aNotifyDOM)
+  : mWindow (aWindow),
+    mStack (),
+    mModalState (aWindow),
+#ifdef HAVE_GECKO_1_9
+    mDefaultEnabled (DispatchEvent ("DOMWillOpenModalDialog", aNotifyDOM)),
+#endif
+    mContextPushed (NS_SUCCEEDED (mStack.Init ()))
+{
+}
+
+AutoModalDialog::~AutoModalDialog ()
+{
+#ifdef HAVE_GECKO_1_9
+  if (mDefaultEnabled) {
+    DispatchEvent ("DOMModalDialogClosed", PR_TRUE);
+  }
+#endif /* HAVE_GECKO_1_9 */
+}
+
+GtkWindow *
+AutoModalDialog::GetParent ()
+{
+  return GTK_WINDOW (EphyUtils::FindGtkParent (mWindow));
+}
+
+int
+AutoModalDialog::Run (GtkDialog *aDialog)
+{
+  NS_ASSERTION (ShouldShow(), "Calling ::Run on a prevented dialogue!");
+
+  nsCOMPtr<nsPIDOMWindow> pWindow (do_QueryInterface (mWindow));
+
+  // Reset popup state while opening a modal dialog, and firing
+  // events about the dialog, to prevent the current state from
+  // being active the whole time a modal dialog is open.
+  nsAutoPopupStatePusher popupStatePusher (pWindow, openAbused);
+  
+#if 1
+  return gtk_dialog_run (aDialog);
+#else
+  /* Do NOT use gtk_dialog_run here, since it blocks the network thread!
+   * See https://bugzilla.mozilla.org/show_bug.cgi?id=338225
+   */
+  
+  g_object_ref_sink (aDialog);
+  mResponse = GTK_RESPONSE_DELETE_EVENT;
+
+  gulong responseHandler = g_signal_connect (aDialog, "response",
+                                             G_CALLBACK (ResponseCallback),
+                                             reinterpret_cast<void*>(this));
+  gulong deleteHandler = g_signal_connect (aDialog, "delete-event",
+                                           G_CALLBACK (DeleteCallback), NULL);
+
+  gtk_window_present (GTK_WINDOW (aDialog));
+
+  nsCOMPtr<nsIThread> thread (do_GetCurrentThread ());
+  NS_ASSERTION (thread, "No UI thread?");
+  
+  mContinueModalLoop = PR_TRUE;
+  while (mContinueModalLoop) {
+    if (!NS_ProcessNextEvent (thread))
+      break;
+  }
+
+  g_signal_handler_disconnect (aDialog, responseHandler);
+  g_signal_handler_disconnect (aDialog, deleteHandler);
+  g_object_unref (aDialog);
+
+  return mResponse;
+#endif
+}
+
+#ifdef HAVE_GECKO_1_9
+
+PRBool
+AutoModalDialog::DispatchEvent (const char *aEventName,
+                                PRBool aDoNotify)
+{
+  if (!mWindow || !aDoNotify) {
+    return PR_TRUE;
+  }
+
+  nsCOMPtr<nsIDOMDocument> domdoc;
+  mWindow->GetDocument (getter_AddRefs (domdoc));
+
+  nsCOMPtr<nsIDOMDocumentEvent> docevent (do_QueryInterface (domdoc));
+  nsCOMPtr<nsIDOMEvent> event;
+
+  PRBool defaultActionEnabled = PR_TRUE;
+
+  if (docevent) {
+    docevent->CreateEvent (NS_LITERAL_STRING ("Events"), getter_AddRefs (event));
+
+    nsCOMPtr<nsIPrivateDOMEvent> privateEvent (do_QueryInterface (event));
+    if (privateEvent) {
+      event->InitEvent (NS_ConvertASCIItoUTF16 (aEventName), PR_TRUE, PR_TRUE);
+
+      privateEvent->SetTrusted(PR_TRUE);
+
+      nsCOMPtr<nsIDOMEventTarget> target (do_QueryInterface (mWindow));
+
+      target->DispatchEvent (event, &defaultActionEnabled);
+    }
+  }
+
+  return defaultActionEnabled;
+}
+
+/* static */ void PR_CALLBACK
+AutoModalDialog::ResponseCallback (GtkWidget *aDialog,
+                                   int aResponse,
+                                   void *aData)
+{
+  AutoModalDialog *obj = reinterpret_cast<AutoModalDialog*>(aData);
+
+  gtk_widget_hide (aDialog);
+  obj->mResponse = aResponse;
+  obj->mContinueModalLoop = PR_FALSE;
+}
+
+/* static */ gboolean PR_CALLBACK
+AutoModalDialog::DeleteCallback (GtkWidget *aDialog,
+                                 void *aEvent,
+                                 void *aData)
+{
+  gtk_dialog_response (GTK_DIALOG (aDialog), GTK_RESPONSE_DELETE_EVENT);
+  return TRUE;
+}
+
+#endif /* HAVE_GECKO_1_9 */