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/*
* Copyright (C) 2014-2016 Canonical, Ltd.
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License version 3, as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
* SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>.
*/
#include "surfaceobserver.h"
#include <QHash>
#include <QMutexLocker>
#include <QMutex>
#include <miral/window_specification.h>
#include <mir/geometry/size.h>
namespace {
QRect calculateBoundingRect(const std::vector<mir::geometry::Rectangle> &rectVector)
{
QRect boundingRect;
for (auto mirRect : rectVector) {
boundingRect |= QRect(mirRect.top_left.x.as_int(),
mirRect.top_left.y.as_int(),
mirRect.size.width.as_int(),
mirRect.size.height.as_int());
}
return boundingRect;
}
QHash<const mir::scene::Surface*, SurfaceObserver*> surfaceToObserverMap;
QMutex mutex;
} // anonymous namespace
SurfaceObserver::~SurfaceObserver()
{
QMutexLocker locker(&mutex);
QMutableHashIterator<const mir::scene::Surface*, SurfaceObserver*> i(surfaceToObserverMap);
while (i.hasNext()) {
i.next();
if (i.value() == this) {
i.remove();
return;
}
}
}
void SurfaceObserver::notifySurfaceModifications(const miral::WindowSpecification &modifications)
{
if (modifications.min_width().is_set()) {
Q_EMIT minimumWidthChanged(modifications.min_width().value().as_int());
}
if (modifications.min_height().is_set()) {
Q_EMIT minimumHeightChanged(modifications.min_height().value().as_int());
}
if (modifications.max_width().is_set()) {
Q_EMIT maximumWidthChanged(modifications.max_width().value().as_int());
}
if (modifications.max_height().is_set()) {
Q_EMIT maximumHeightChanged(modifications.max_height().value().as_int());
}
if (modifications.width_inc().is_set()) {
Q_EMIT widthIncrementChanged(modifications.width_inc().value().as_int());
}
if (modifications.height_inc().is_set()) {
Q_EMIT heightIncrementChanged(modifications.height_inc().value().as_int());
}
if (modifications.shell_chrome().is_set()) {
Q_EMIT shellChromeChanged(modifications.shell_chrome().value());
}
if (modifications.input_shape().is_set()) {
QRect qRect = calculateBoundingRect(modifications.input_shape().value());
Q_EMIT inputBoundsChanged(qRect);
}
if (modifications.confine_pointer().is_set()) {
Q_EMIT confinesMousePointerChanged(modifications.confine_pointer().value() == mir_pointer_confined_to_window);
}
if (modifications.name().is_set()) {
Q_EMIT nameChanged(QString::fromStdString(modifications.name().value()));
}
}
SurfaceObserver *SurfaceObserver::observerForSurface(const mir::scene::Surface *surface)
{
if (surfaceToObserverMap.contains(surface)) {
return surfaceToObserverMap.value(surface);
} else {
return nullptr;
}
}
void SurfaceObserver::registerObserverForSurface(SurfaceObserver *observer, const mir::scene::Surface *surface)
{
QMutexLocker locker(&mutex);
surfaceToObserverMap[surface] = observer;
}
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