mirror of
https://github.com/telegramdesktop/tdesktop
synced 2025-02-20 23:27:23 +00:00
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop 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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It 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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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#include "stdafx.h"
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#include "media/view/media_clip_playback.h"
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#include "styles/style_mediaview.h"
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#include "media/media_audio.h"
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namespace Media {
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namespace Clip {
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Playback::Playback(Ui::ContinuousSlider *slider) : _slider(slider) {
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}
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void Playback::updateState(const AudioPlaybackState &playbackState) {
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qint64 position = 0, duration = playbackState.duration;
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auto wasDisabled = _slider->isDisabled();
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if (wasDisabled) setDisabled(false);
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_playing = !(playbackState.state & AudioPlayerStoppedMask);
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if (_playing || playbackState.state == AudioPlayerStopped) {
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position = playbackState.position;
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} else if (playbackState.state == AudioPlayerStoppedAtEnd) {
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position = playbackState.duration;
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} else {
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position = 0;
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}
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float64 progress = 0.;
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if (position > duration) {
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progress = 1.;
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} else if (duration) {
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progress = duration ? snap(float64(position) / duration, 0., 1.) : 0.;
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}
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if (duration != _duration || position != _position || wasDisabled) {
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auto animated = (duration && _duration && progress > _slider->value());
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_slider->setValue(progress, animated);
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_position = position;
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_duration = duration;
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}
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_slider->update();
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}
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void Playback::updateLoadingState(float64 progress) {
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setDisabled(true);
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auto animated = progress > _slider->value();
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_slider->setValue(progress, animated);
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}
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} // namespace Clip
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} // namespace Media
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