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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef BACKENDS_NETWORKING_CURL_CLOUDICON_H
#define BACKENDS_NETWORKING_CURL_CLOUDICON_H
#include "graphics/transparent_surface.h"
namespace Networking {
class CloudIcon {
static const float ALPHA_STEP, ALPHA_MAX, ALPHA_MIN;
bool _wasVisible, _iconsInited;
Graphics::TransparentSurface _icon, _alphaIcon;
float _currentAlpha;
bool _alphaRising;
void initIcons();
void makeAlphaIcon(float alpha);
public:
CloudIcon();
~CloudIcon();
/**
* This method is called from ConnectionManager every time
* its own timer calls the handle() method. The primary
* responsibility of this draw() method is to draw cloud icon
* on ScummVM's OSD when current cloud Storage is working.
*
* As we don't want ConnectionManager to work when no
* Requests are running, we'd like to stop the timer. But then
* this icon wouldn't have time to disappear smoothly. So,
* in order to do that, ConnectionManager stop its timer
* only when this draw() method returns true, indicating that
* the CloudIcon has disappeared and the timer could be stopped.
*
* @return true if ConnMan's timer could be stopped.
*/
bool draw();
};
} // End of namespace Networking
#endif
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