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/***************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (directui@nokia.com)
**
** This file is part of libmeegotouch.
**
** If you have questions regarding the use of this file, please contact
** Nokia at directui@nokia.com.
**
** This library is free software; you can redistribute it and/or
** modify it under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation
** and appearing in the file LICENSE.LGPL included in the packaging
** of this file.
**
****************************************************************************/
#include "mstatusbarview.h"
#include <mstatusbar.h>
#include <mapplication.h>
#include <mscenemanager.h>
#include <mdebug.h>
#include <QFile>
#include <QDataStream>
#include <QDir>
#include <QGraphicsSceneMouseEvent>
#ifdef HAVE_DBUS
#include <QDBusInterface>
#include <QDBusServiceWatcher>
#include <QDBusConnectionInterface>
#endif // HAVE_DBUS
#ifdef HAVE_XDAMAGE
#include <X11/extensions/Xdamage.h>
#endif //HAVE_XDAMAGE
#ifdef HAVE_DBUS
namespace{
const QString PIXMAP_PROVIDER_DBUS_SERVICE = "com.meego.core.MStatusBar";
const QString PIXMAP_PROVIDER_DBUS_PATH = "/statusbar";
const QString PIXMAP_PROVIDER_DBUS_INTERFACE = "com.meego.core.MStatusBar";
const QString PIXMAP_PROVIDER_DBUS_SHAREDPIXMAP_CALL = "sharedPixmapHandle";
}
#endif // HAVE_DBUS
const QString MStatusBarView::STATUS_INDICATOR_MENU_DBUS_SERVICE = "com.meego.core.MStatusIndicatorMenu";
const QString MStatusBarView::STATUS_INDICATOR_MENU_DBUS_PATH = "/statusindicatormenu";
const QString MStatusBarView::STATUS_INDICATOR_MENU_DBUS_INTERFACE = "com.meego.core.MStatusIndicatorMenu";
MStatusBarView::MStatusBarView(MStatusBar *controller) :
MSceneWindowView(controller),
controller(controller),
updatesEnabled(false)
{
#ifdef Q_WS_X11
pixmapDamage = 0;
MApplication *mApplication = static_cast<MApplication *>(QCoreApplication::instance());
connect(mApplication, SIGNAL(damageEvent(Qt::HANDLE&, short&, short&, unsigned short&, unsigned short&)),
SLOT(handlePixmapDamageEvent(Qt::HANDLE&, short&, short&, unsigned short&, unsigned short&)));
connect(controller, SIGNAL(displayExited()),
this, SLOT(disablePixmapUpdates()));
connect(controller, SIGNAL(displayEntered()),
this, SLOT(enablePixmapUpdates()));
#ifdef HAVE_DBUS
if (QDBusConnection::sessionBus().interface()->isServiceRegistered(PIXMAP_PROVIDER_DBUS_SERVICE))
isPixmapProviderOnline = true;
else
isPixmapProviderOnline = false;
dbusWatcher = new QDBusServiceWatcher( PIXMAP_PROVIDER_DBUS_SERVICE , QDBusConnection::sessionBus(),
QDBusServiceWatcher::WatchForRegistration|QDBusServiceWatcher::WatchForUnregistration,
this );
connect(dbusWatcher, SIGNAL(serviceRegistered(QString)),
this, SLOT(handlePixmapProviderOnline()));
connect(dbusWatcher, SIGNAL(serviceUnregistered(QString)),
this, SLOT(handlePixmapProviderOffline()));
querySharedPixmapFromProvider();
#endif // HAVE_DBUS
#endif // Q_WS_X11
}
MStatusBarView::~MStatusBarView()
{
#ifdef Q_WS_X11
destroyXDamageForSharedPixmap();
#endif // Q_WS_X11
}
void MStatusBarView::drawContents(QPainter *painter, const QStyleOptionGraphicsItem *option) const
{
Q_UNUSED(option);
#ifdef Q_WS_X11
if (sharedPixmap.isNull()) {
MStatusBarView *view = const_cast<MStatusBarView *>(this);
view->querySharedPixmapFromProvider();
}
if (sharedPixmap.isNull() || (controller->sceneManager() == 0))
return;
QRectF sourceRect;
if (controller->sceneManager()->orientation() == M::Landscape) {
sourceRect.setX(0);
sourceRect.setY(0);
sourceRect.setWidth(size().width());
sourceRect.setHeight(size().height());
} else {
sourceRect.setX(0);
sourceRect.setY(size().height());
sourceRect.setWidth(size().width());
sourceRect.setHeight(size().height());
}
painter->drawPixmap(QPointF(0.0, 0.0), sharedPixmap, sourceRect);
#else
Q_UNUSED(painter);
#endif // Q_WS_X11
}
void MStatusBarView::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
firstPos = event->pos();
playHapticsFeedback();
}
void MStatusBarView::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if(firstPos.y()+ style()->swipeThreshold() < event->pos().y()) {
showStatusIndicatorMenu();
}
}
#ifdef Q_WS_X11
void MStatusBarView::updateSharedPixmap()
{
destroyXDamageForSharedPixmap();
#ifdef HAVE_DBUS
if ((!updatesEnabled)||(!isPixmapProviderOnline)) {
return;
}
#else
if (!updatesEnabled) {
return;
}
#endif // HAVE_DBUS
if (!sharedPixmap.isNull()) {
setupXDamageForSharedPixmap();
}
}
void MStatusBarView::setupXDamageForSharedPixmap()
{
Q_ASSERT(!sharedPixmap.isNull());
#ifdef HAVE_XDAMAGE
pixmapDamage = XDamageCreate(QX11Info::display(), sharedPixmap.handle(), XDamageReportNonEmpty);
#endif //HAVE_XDAMAGE
}
void MStatusBarView::destroyXDamageForSharedPixmap()
{
#ifdef HAVE_XDAMAGE
if (pixmapDamage) {
XDamageDestroy(QX11Info::display(), pixmapDamage);
pixmapDamage = 0;
}
#endif //HAVE_XDAMAGE
}
void MStatusBarView::handlePixmapDamageEvent(Qt::HANDLE &damage, short &x, short &y,
unsigned short &width, unsigned short &height)
{
if (damage == pixmapDamage) {
controller->update(x, y, width, height);
}
}
void MStatusBarView::enablePixmapUpdates()
{
updatesEnabled = true;
querySharedPixmapFromProvider();
}
void MStatusBarView::disablePixmapUpdates()
{
updatesEnabled = false;
destroyXDamageForSharedPixmap();
}
#ifdef HAVE_DBUS
void MStatusBarView::querySharedPixmapFromProvider()
{
if ((!updatesEnabled)||(!isPixmapProviderOnline))
return;
QDBusInterface interface(PIXMAP_PROVIDER_DBUS_SERVICE, PIXMAP_PROVIDER_DBUS_PATH, PIXMAP_PROVIDER_DBUS_INTERFACE,
QDBusConnection::sessionBus());
QDBusPendingCall asyncCall = interface.asyncCall(PIXMAP_PROVIDER_DBUS_SHAREDPIXMAP_CALL);
QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(asyncCall, this);
connect(watcher, SIGNAL(finished(QDBusPendingCallWatcher*)),
this, SLOT(sharedPixmapHandleReceived(QDBusPendingCallWatcher*)));
}
void MStatusBarView::sharedPixmapHandleReceived(QDBusPendingCallWatcher * call)
{
QDBusPendingReply<quint32> reply = *call;
if (reply.isError()) {
mWarning("MStatusBarView")<< reply.error().message();
return;
}
quint32 tmp = reply;
sharedPixmap = QPixmap::fromX11Pixmap(tmp, QPixmap::ExplicitlyShared);
updateSharedPixmap();
call->deleteLater();
}
void MStatusBarView::handlePixmapProviderOnline()
{
isPixmapProviderOnline = true;
querySharedPixmapFromProvider();
}
void MStatusBarView::handlePixmapProviderOffline()
{
isPixmapProviderOnline = false;
destroyXDamageForSharedPixmap();
}
#endif // HAVE_DBUS
#endif // Q_WS_X11
void MStatusBarView::showStatusIndicatorMenu()
{
#ifdef HAVE_DBUS
QDBusInterface interface(STATUS_INDICATOR_MENU_DBUS_SERVICE, STATUS_INDICATOR_MENU_DBUS_PATH, STATUS_INDICATOR_MENU_DBUS_INTERFACE, QDBusConnection::sessionBus());
interface.call(QDBus::NoBlock, "open");
#endif // HAVE_DBUS
}
void MStatusBarView::playHapticsFeedback()
{
style()->pressFeedback().play();
}
M_REGISTER_VIEW_NEW(MStatusBarView, MStatusBar)
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