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90 lines
2.3 KiB
C++
90 lines
2.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef BACKENDS_NETWORKING_CURL_CLOUDICON_H
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#define BACKENDS_NETWORKING_CURL_CLOUDICON_H
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#include "graphics/surface.h"
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namespace Cloud {
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class CloudIcon {
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public:
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CloudIcon();
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~CloudIcon();
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/**
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* The type of cloud icon to show
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*/
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enum Type {
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kNone, /** Hide the currently shown icon if any */
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kSyncing, /** Cloud syncing icon */
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kDisabled /** Cloud syncing not available icon */
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};
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/**
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* Select the icon to show on the OSD
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*
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* @param icon Icon type to show. Use kNone to hide the current icon if any.
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* @param duration Duration in milliseconds the icon stays visible on screen. 0 means the icon stays indefinitely.
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*/
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void show(Type icon, int duration = 0);
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/** The currently visible icon. kNone means no icon is shown. */
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Type getShownType() const;
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/** Returns true if the icon state needs to be checked for changes */
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bool needsUpdate() const;
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/** Update the icon visible on the OSD */
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void update();
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private:
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static const float ALPHA_SPEED, ALPHA_MAX, ALPHA_MIN;
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static const int UPDATE_DELAY_MIN_MILLIS = 10;
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enum State {
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kHidden,
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kShown,
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kGoingToHide
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};
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State _state;
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Type _type;
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Graphics::Surface _icon, _disabledIcon, _alphaIcon;
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float _currentAlpha;
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bool _alphaRising;
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uint32 _hideTime;
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uint32 _lastUpdateTime;
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void initIcons();
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void loadIcon(Graphics::Surface &icon, byte *data, uint32 size);
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void makeAlphaIcon(const Graphics::Surface &icon, float alpha);
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void hide();
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};
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} // End of namespace Cloud
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#endif
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