gecko/toolkit/components/remote/nsGTKRemoteService.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=2:tabstop=8:
*/
/* ***** 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 mozilla.org code.
*
* The Initial Developer of the Original Code is
* Christopher Blizzard.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Christopher Blizzard <blizzard@mozilla.org>
* Benjamin Smedberg <benjamin@smedbergs.us>
* Miika Jarvinen <mjarvin@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 ***** */
#include "nsGTKRemoteService.h"
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include "nsIBaseWindow.h"
#include "nsIDocShell.h"
#include "nsPIDOMWindow.h"
#include "mozilla/ModuleUtils.h"
#include "nsIServiceManager.h"
#include "nsIWeakReference.h"
#include "nsIWidget.h"
#include "nsIAppShellService.h"
#include "nsAppShellCID.h"
#include "nsCOMPtr.h"
#include "nsGTKToolkit.h"
NS_IMPL_ISUPPORTS2(nsGTKRemoteService,
nsIRemoteService,
nsIObserver)
NS_IMETHODIMP
nsGTKRemoteService::Startup(const char* aAppName, const char* aProfileName)
{
NS_ASSERTION(aAppName, "Don't pass a null appname!");
sRemoteImplementation = this;
if (mServerWindow) return NS_ERROR_ALREADY_INITIALIZED;
XRemoteBaseStartup(aAppName, aProfileName);
mServerWindow = gtk_invisible_new();
gtk_widget_realize(mServerWindow);
HandleCommandsFor(mServerWindow, nsnull);
if (!mWindows.IsInitialized())
mWindows.Init();
mWindows.EnumerateRead(StartupHandler, this);
return NS_OK;
}
PLDHashOperator
nsGTKRemoteService::StartupHandler(const void* aKey,
nsIWeakReference* aData,
void* aClosure)
{
GtkWidget* widget = (GtkWidget*) aKey;
nsGTKRemoteService* aThis = (nsGTKRemoteService*) aClosure;
aThis->HandleCommandsFor(widget, aData);
return PL_DHASH_NEXT;
}
static nsIWidget* GetMainWidget(nsIDOMWindow* aWindow)
{
// get the native window for this instance
nsCOMPtr<nsPIDOMWindow> window(do_QueryInterface(aWindow));
NS_ENSURE_TRUE(window, nsnull);
nsCOMPtr<nsIBaseWindow> baseWindow
(do_QueryInterface(window->GetDocShell()));
NS_ENSURE_TRUE(baseWindow, nsnull);
nsCOMPtr<nsIWidget> mainWidget;
baseWindow->GetMainWidget(getter_AddRefs(mainWidget));
return mainWidget;
}
static nsGTKToolkit* GetGTKToolkit()
{
nsCOMPtr<nsIAppShellService> svc = do_GetService(NS_APPSHELLSERVICE_CONTRACTID);
if (!svc)
return nsnull;
nsCOMPtr<nsIDOMWindow> window;
svc->GetHiddenDOMWindow(getter_AddRefs(window));
if (!window)
return nsnull;
nsIWidget* widget = GetMainWidget(window);
if (!widget)
return nsnull;
nsIToolkit* toolkit = widget->GetToolkit();
if (!toolkit)
return nsnull;
return static_cast<nsGTKToolkit*>(toolkit);
}
NS_IMETHODIMP
nsGTKRemoteService::RegisterWindow(nsIDOMWindow* aWindow)
{
nsIWidget* mainWidget = GetMainWidget(aWindow);
NS_ENSURE_TRUE(mainWidget, NS_ERROR_FAILURE);
// walk up the widget tree and find the toplevel window in the
// hierarchy
nsIWidget* tempWidget = mainWidget->GetParent();
while (tempWidget) {
tempWidget = tempWidget->GetParent();
if (tempWidget)
mainWidget = tempWidget;
}
GtkWidget* widget =
(GtkWidget*) mainWidget->GetNativeData(NS_NATIVE_SHELLWIDGET);
NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE);
nsCOMPtr<nsIWeakReference> weak = do_GetWeakReference(aWindow);
NS_ENSURE_TRUE(weak, NS_ERROR_FAILURE);
if (!mWindows.IsInitialized())
mWindows.Init();
mWindows.Put(widget, weak);
// If Startup() has already been called, immediately register this window.
if (mServerWindow) {
HandleCommandsFor(widget, weak);
}
return NS_OK;
}
NS_IMETHODIMP
nsGTKRemoteService::Shutdown()
{
if (!mServerWindow)
return NS_ERROR_NOT_INITIALIZED;
gtk_widget_destroy(mServerWindow);
mServerWindow = nsnull;
return NS_OK;
}
// Set desktop startup ID to the passed ID, if there is one, so that any created
// windows get created with the right window manager metadata, and any windows
// that get new tabs and are activated also get the right WM metadata.
// If there is no desktop startup ID, then use the X event's timestamp
// for _NET_ACTIVE_WINDOW when the window gets focused or shown.
void
nsGTKRemoteService::SetDesktopStartupIDOrTimestamp(const nsACString& aDesktopStartupID,
PRUint32 aTimestamp) {
nsGTKToolkit* toolkit = GetGTKToolkit();
if (!toolkit)
return;
if (!aDesktopStartupID.IsEmpty()) {
toolkit->SetDesktopStartupID(aDesktopStartupID);
} else {
toolkit->SetFocusTimestamp(aTimestamp);
}
}
void
nsGTKRemoteService::HandleCommandsFor(GtkWidget* widget,
nsIWeakReference* aWindow)
{
g_signal_connect(G_OBJECT(widget), "property_notify_event",
G_CALLBACK(HandlePropertyChange), aWindow);
gtk_widget_add_events(widget, GDK_PROPERTY_CHANGE_MASK);
Window window = GDK_WINDOW_XWINDOW(widget->window);
nsXRemoteService::HandleCommandsFor(window);
}
gboolean
nsGTKRemoteService::HandlePropertyChange(GtkWidget *aWidget,
GdkEventProperty *pevent,
nsIWeakReference *aThis)
{
if (pevent->state == GDK_PROPERTY_NEW_VALUE) {
Atom changedAtom = gdk_x11_atom_to_xatom(pevent->atom);
return HandleNewProperty(GDK_WINDOW_XWINDOW(pevent->window),
GDK_DISPLAY(),
pevent->time, changedAtom, aThis);
}
return FALSE;
}
// {C0773E90-5799-4eff-AD03-3EBCD85624AC}
#define NS_REMOTESERVICE_CID \
{ 0xc0773e90, 0x5799, 0x4eff, { 0xad, 0x3, 0x3e, 0xbc, 0xd8, 0x56, 0x24, 0xac } }
NS_GENERIC_FACTORY_CONSTRUCTOR(nsGTKRemoteService)
NS_DEFINE_NAMED_CID(NS_REMOTESERVICE_CID);
static const mozilla::Module::CIDEntry kRemoteCIDs[] = {
{ &kNS_REMOTESERVICE_CID, false, NULL, nsGTKRemoteServiceConstructor },
{ NULL }
};
static const mozilla::Module::ContractIDEntry kRemoteContracts[] = {
{ "@mozilla.org/toolkit/remote-service;1", &kNS_REMOTESERVICE_CID },
{ NULL }
};
static const mozilla::Module kRemoteModule = {
mozilla::Module::kVersion,
kRemoteCIDs,
kRemoteContracts
};
NSMODULE_DEFN(RemoteServiceModule) = &kRemoteModule;