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Diffstat (limited to 'backends/networking/curl/cloudicon.h')
-rw-r--r-- | backends/networking/curl/cloudicon.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/backends/networking/curl/cloudicon.h b/backends/networking/curl/cloudicon.h new file mode 100644 index 0000000000..7e4d7387a3 --- /dev/null +++ b/backends/networking/curl/cloudicon.h @@ -0,0 +1,70 @@ +/* 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, _showingDisabled; + Graphics::TransparentSurface _icon, _disabledIcon, _alphaIcon; + float _currentAlpha; + bool _alphaRising; + int _disabledFrames; + + void initIcons(); + void loadIcon(Graphics::TransparentSurface &icon, byte *data, uint32 size); + void makeAlphaIcon(Graphics::TransparentSurface &icon, 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(); + + /** Draw a "cloud disabled" icon instead of "cloud syncing" one. */ + void showDisabled(); +}; + +} // End of namespace Networking + +#endif |