toolkit/components/remote/nsGTKRemoteServer.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:expandtab:shiftwidth=2:tabstop=8:
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #include "nsGTKRemoteServer.h"
   9
  10 #include <gtk/gtk.h>
  11 #include <gdk/gdk.h>
  12 #include <gdk/gdkx.h>
  13
  14 #include "mozilla/ModuleUtils.h"
  15 #include "nsAppShellCID.h"
  16
  17 #include "nsCOMPtr.h"
  18
  19 #include "nsGTKToolkit.h"
  20
  21 #ifdef MOZ_WAYLAND
  22 #  include "mozilla/WidgetUtilsGtk.h"
  23 #endif
  24
  25 nsresult nsGTKRemoteServer::Startup(const char* aAppName,
  26                                     const char* aProfileName) {
  27   NS_ASSERTION(aAppName, "Don't pass a null appname!");
  28
  29   if (mServerWindow) {
  30     return NS_ERROR_ALREADY_INITIALIZED;
  31   }
  32
  33 #ifdef MOZ_WAYLAND
  34   if (mozilla::widget::GdkIsWaylandDisplay()) {
  35     return NS_ERROR_FAILURE;
  36   }
  37 #endif
  38
  39   XRemoteBaseStartup(aAppName, aProfileName);
  40
  41   mServerWindow = gtk_invisible_new();
  42   gtk_widget_realize(mServerWindow);
  43   HandleCommandsFor(mServerWindow);
  44
  45   return NS_OK;
  46 }
  47
  48 void nsGTKRemoteServer::Shutdown() {
  49   if (!mServerWindow) {
  50     return;
  51   }
  52
  53   gtk_widget_destroy(mServerWindow);
  54   mServerWindow = nullptr;
  55 }
  56
  57 void nsGTKRemoteServer::HandleCommandsFor(GtkWidget* widget) {
  58   g_signal_connect(G_OBJECT(widget), "property_notify_event",
  59                    G_CALLBACK(HandlePropertyChange), this);
  60
  61   gtk_widget_add_events(widget, GDK_PROPERTY_CHANGE_MASK);
  62
  63   Window window = gdk_x11_window_get_xid(gtk_widget_get_window(widget));
  64   nsXRemoteServer::HandleCommandsFor(window);
  65 }
  66
  67 gboolean nsGTKRemoteServer::HandlePropertyChange(GtkWidget* aWidget,
  68                                                  GdkEventProperty* pevent,
  69                                                  nsGTKRemoteServer* aThis) {
  70   if (pevent->state == GDK_PROPERTY_NEW_VALUE) {
  71     Atom changedAtom = gdk_x11_atom_to_xatom(pevent->atom);
  72
  73     XID window = gdk_x11_window_get_xid(gtk_widget_get_window(aWidget));
  74     return aThis->HandleNewProperty(
  75         window, GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), pevent->time,
  76         changedAtom);
  77   }
  78   return FALSE;
  79 }