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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2012 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Andrea Azzarone <andrea.azzarone@canonical.com>
*/
#include "XdndManagerImp.h"
#include <algorithm>
#include "unity-shared/UScreen.h"
namespace unity {
namespace
{
const std::string URI_TYPE = "text/uri-list";
}
XdndManagerImp::XdndManagerImp(XdndStartStopNotifier::Ptr const& xdnd_start_stop_notifier,
XdndCollectionWindow::Ptr const& xdnd_collection_window)
: xdnd_start_stop_notifier_(xdnd_start_stop_notifier)
, xdnd_collection_window_(xdnd_collection_window)
, last_monitor_(-1)
{
xdnd_start_stop_notifier_->started.connect(sigc::mem_fun(this, &XdndManagerImp::OnDndStarted));
xdnd_start_stop_notifier_->finished.connect(sigc::mem_fun(this, &XdndManagerImp::OnDndFinished));
xdnd_collection_window_->collected.connect(sigc::mem_fun(this, &XdndManagerImp::OnDndDataCollected));
}
int XdndManagerImp::Monitor() const
{
return last_monitor_;
}
void XdndManagerImp::OnDndStarted()
{
xdnd_collection_window_->Collect();
}
void XdndManagerImp::OnDndFinished()
{
xdnd_collection_window_->Deactivate();
mouse_poller_timeout_.reset();
if (!dnd_data_.empty())
{
dnd_data_.clear();
dnd_finished.emit();
}
}
void XdndManagerImp::OnDndDataCollected(std::vector<std::string> const& mimes)
{
if (!IsAValidDnd(mimes))
return;
dnd_data_ = xdnd_collection_window_->GetData(URI_TYPE);
if (dnd_data_.empty())
return;
auto uscreen = UScreen::GetDefault();
last_monitor_ = uscreen->GetMonitorWithMouse();
mouse_poller_timeout_.reset(new glib::Timeout(20, sigc::mem_fun(this, &XdndManagerImp::CheckMousePosition)));
dnd_started.emit(dnd_data_, last_monitor_);
}
bool XdndManagerImp::IsAValidDnd(std::vector<std::string> const& mimes)
{
auto end = std::end(mimes);
auto it = std::find(std::begin(mimes), end, URI_TYPE);
return it != end;
}
bool XdndManagerImp::CheckMousePosition()
{
auto uscreen = UScreen::GetDefault();
auto monitor = uscreen->GetMonitorWithMouse();
if (!dnd_data_.empty() && monitor != last_monitor_)
{
int old_monitor = last_monitor_;
last_monitor_ = monitor;
monitor_changed.emit(dnd_data_, old_monitor, last_monitor_);
}
return true;
}
}
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