michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:expandtab:shiftwidth=2:tabstop=8:
michael@0:  */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsGTKRemoteService.h"
michael@0: 
michael@0: #include <gtk/gtk.h>
michael@0: #include <gdk/gdk.h>
michael@0: #include <gdk/gdkx.h>
michael@0: 
michael@0: #include "nsIBaseWindow.h"
michael@0: #include "nsIDocShell.h"
michael@0: #include "nsPIDOMWindow.h"
michael@0: #include "mozilla/ModuleUtils.h"
michael@0: #include "nsIServiceManager.h"
michael@0: #include "nsIWeakReference.h"
michael@0: #include "nsIWidget.h"
michael@0: #include "nsIAppShellService.h"
michael@0: #include "nsAppShellCID.h"
michael@0: 
michael@0: #include "nsCOMPtr.h"
michael@0: 
michael@0: #include "nsGTKToolkit.h"
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsGTKRemoteService,
michael@0:                   nsIRemoteService,
michael@0:                   nsIObserver)
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGTKRemoteService::Startup(const char* aAppName, const char* aProfileName)
michael@0: {
michael@0:   NS_ASSERTION(aAppName, "Don't pass a null appname!");
michael@0:   sRemoteImplementation = this;
michael@0: 
michael@0:   if (mServerWindow) return NS_ERROR_ALREADY_INITIALIZED;
michael@0: 
michael@0:   XRemoteBaseStartup(aAppName, aProfileName);
michael@0: 
michael@0:   mServerWindow = gtk_invisible_new();
michael@0:   gtk_widget_realize(mServerWindow);
michael@0:   HandleCommandsFor(mServerWindow, nullptr);
michael@0: 
michael@0:   mWindows.EnumerateRead(StartupHandler, this);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: PLDHashOperator
michael@0: nsGTKRemoteService::StartupHandler(GtkWidget* aKey,
michael@0:                                    nsIWeakReference* aData,
michael@0:                                    void* aClosure)
michael@0: {
michael@0:   GtkWidget* widget = (GtkWidget*) aKey;
michael@0:   nsGTKRemoteService* aThis = (nsGTKRemoteService*) aClosure;
michael@0: 
michael@0:   aThis->HandleCommandsFor(widget, aData);
michael@0:   return PL_DHASH_NEXT;
michael@0: }
michael@0: 
michael@0: static nsIWidget* GetMainWidget(nsIDOMWindow* aWindow)
michael@0: {
michael@0:   // get the native window for this instance
michael@0:   nsCOMPtr<nsPIDOMWindow> window(do_QueryInterface(aWindow));
michael@0:   NS_ENSURE_TRUE(window, nullptr);
michael@0: 
michael@0:   nsCOMPtr<nsIBaseWindow> baseWindow
michael@0:     (do_QueryInterface(window->GetDocShell()));
michael@0:   NS_ENSURE_TRUE(baseWindow, nullptr);
michael@0: 
michael@0:   nsCOMPtr<nsIWidget> mainWidget;
michael@0:   baseWindow->GetMainWidget(getter_AddRefs(mainWidget));
michael@0:   return mainWidget;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGTKRemoteService::RegisterWindow(nsIDOMWindow* aWindow)
michael@0: {
michael@0:   nsIWidget* mainWidget = GetMainWidget(aWindow);
michael@0:   NS_ENSURE_TRUE(mainWidget, NS_ERROR_FAILURE);
michael@0: 
michael@0:   GtkWidget* widget =
michael@0:     (GtkWidget*) mainWidget->GetNativeData(NS_NATIVE_SHELLWIDGET);
michael@0:   NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE);
michael@0: 
michael@0:   nsCOMPtr<nsIWeakReference> weak = do_GetWeakReference(aWindow);
michael@0:   NS_ENSURE_TRUE(weak, NS_ERROR_FAILURE);
michael@0: 
michael@0:   mWindows.Put(widget, weak);
michael@0: 
michael@0:   // If Startup() has already been called, immediately register this window.
michael@0:   if (mServerWindow) {
michael@0:     HandleCommandsFor(widget, weak);
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGTKRemoteService::Shutdown()
michael@0: {
michael@0:   if (!mServerWindow)
michael@0:     return NS_ERROR_NOT_INITIALIZED;
michael@0: 
michael@0:   gtk_widget_destroy(mServerWindow);
michael@0:   mServerWindow = nullptr;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: // Set desktop startup ID to the passed ID, if there is one, so that any created
michael@0: // windows get created with the right window manager metadata, and any windows
michael@0: // that get new tabs and are activated also get the right WM metadata.
michael@0: // The timestamp will be used if there is no desktop startup ID, or if we're
michael@0: // raising an existing window rather than showing a new window for the first time.
michael@0: void
michael@0: nsGTKRemoteService::SetDesktopStartupIDOrTimestamp(const nsACString& aDesktopStartupID,
michael@0:                                                    uint32_t aTimestamp) {
michael@0:   nsGTKToolkit* toolkit = nsGTKToolkit::GetToolkit();
michael@0:   if (!toolkit)
michael@0:     return;
michael@0: 
michael@0:   if (!aDesktopStartupID.IsEmpty()) {
michael@0:     toolkit->SetDesktopStartupID(aDesktopStartupID);
michael@0:   }
michael@0: 
michael@0:   toolkit->SetFocusTimestamp(aTimestamp);
michael@0: }
michael@0: 
michael@0: 
michael@0: void
michael@0: nsGTKRemoteService::HandleCommandsFor(GtkWidget* widget,
michael@0:                                       nsIWeakReference* aWindow)
michael@0: {
michael@0:   g_signal_connect(G_OBJECT(widget), "property_notify_event",
michael@0:                    G_CALLBACK(HandlePropertyChange), aWindow);
michael@0: 
michael@0:   gtk_widget_add_events(widget, GDK_PROPERTY_CHANGE_MASK);
michael@0: 
michael@0: #if (MOZ_WIDGET_GTK == 2)
michael@0:   Window window = GDK_WINDOW_XWINDOW(widget->window);
michael@0: #else
michael@0:   Window window = gdk_x11_window_get_xid(gtk_widget_get_window(widget));
michael@0: #endif
michael@0:   nsXRemoteService::HandleCommandsFor(window);
michael@0: 
michael@0: }
michael@0: 
michael@0: gboolean
michael@0: nsGTKRemoteService::HandlePropertyChange(GtkWidget *aWidget,
michael@0:                                          GdkEventProperty *pevent,
michael@0:                                          nsIWeakReference *aThis)
michael@0: {
michael@0:   if (pevent->state == GDK_PROPERTY_NEW_VALUE) {
michael@0:     Atom changedAtom = gdk_x11_atom_to_xatom(pevent->atom);
michael@0: 
michael@0: #if (MOZ_WIDGET_GTK == 2)
michael@0:     XID window = GDK_WINDOW_XWINDOW(pevent->window);
michael@0: #else
michael@0:     XID window = gdk_x11_window_get_xid(gtk_widget_get_window(aWidget));
michael@0: #endif
michael@0:     return HandleNewProperty(window,
michael@0:                              GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
michael@0:                              pevent->time, changedAtom, aThis);
michael@0:   }
michael@0:   return FALSE;
michael@0: }
michael@0: 
michael@0: 
michael@0: // {C0773E90-5799-4eff-AD03-3EBCD85624AC}
michael@0: #define NS_REMOTESERVICE_CID \
michael@0:   { 0xc0773e90, 0x5799, 0x4eff, { 0xad, 0x3, 0x3e, 0xbc, 0xd8, 0x56, 0x24, 0xac } }
michael@0: 
michael@0: NS_GENERIC_FACTORY_CONSTRUCTOR(nsGTKRemoteService)
michael@0: NS_DEFINE_NAMED_CID(NS_REMOTESERVICE_CID);
michael@0: 
michael@0: static const mozilla::Module::CIDEntry kRemoteCIDs[] = {
michael@0:   { &kNS_REMOTESERVICE_CID, false, nullptr, nsGTKRemoteServiceConstructor },
michael@0:   { nullptr }
michael@0: };
michael@0: 
michael@0: static const mozilla::Module::ContractIDEntry kRemoteContracts[] = {
michael@0:   { "@mozilla.org/toolkit/remote-service;1", &kNS_REMOTESERVICE_CID },
michael@0:   { nullptr }
michael@0: };
michael@0: 
michael@0: static const mozilla::Module kRemoteModule = {
michael@0:   mozilla::Module::kVersion,
michael@0:   kRemoteCIDs,
michael@0:   kRemoteContracts
michael@0: };
michael@0: 
michael@0: NSMODULE_DEFN(RemoteServiceModule) = &kRemoteModule;