140 lines
4.4 KiB
C++
140 lines
4.4 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(QWidget *parent) : TWidget(parent)
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, _a_progress(animation(this, &Playback::step_progress)) {
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setCursor(style::cur_pointer);
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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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if (!(playbackState.state & AudioPlayerStoppedMask) && playbackState.state != AudioPlayerFinishing) {
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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) {
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if (duration && _duration) {
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a_progress.start(progress);
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_a_progress.start();
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} else {
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a_progress = anim::fvalue(progress, progress);
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_a_progress.stop();
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}
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_position = position;
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_duration = duration;
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}
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}
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void Playback::setFadeOpacity(float64 opacity) {
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_fadeOpacity = opacity;
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update();
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}
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void Playback::step_progress(float64 ms, bool timer) {
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float64 dt = ms / (2 * AudioVoiceMsgUpdateView);
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if (_duration && dt >= 1) {
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_a_progress.stop();
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a_progress.finish();
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} else {
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a_progress.update(qMin(dt, 1.), anim::linear);
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}
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if (timer) update();
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}
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void Playback::paintEvent(QPaintEvent *e) {
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Painter p(this);
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int radius = st::mediaviewPlaybackWidth / 2;
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p.setOpacity(_fadeOpacity);
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p.setPen(Qt::NoPen);
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p.setRenderHint(QPainter::HighQualityAntialiasing);
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auto over = _a_over.current(getms(), _over ? 1. : 0.);
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int skip = (st::mediaviewSeekSize.width() / 2);
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int length = (width() - st::mediaviewSeekSize.width());
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float64 prg = _mouseDown ? _downProgress : a_progress.current();
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int32 from = skip, mid = qRound(from + prg * length), end = from + length;
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if (mid > from) {
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p.setClipRect(0, 0, mid, height());
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p.setOpacity(_fadeOpacity * (over * st::mediaviewActiveOpacity + (1. - over) * st::mediaviewInactiveOpacity));
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p.setBrush(st::mediaviewPlaybackActive);
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p.drawRoundedRect(0, (height() - st::mediaviewPlaybackWidth) / 2, mid + radius, st::mediaviewPlaybackWidth, radius, radius);
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}
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if (end > mid) {
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p.setClipRect(mid, 0, width() - mid, height());
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p.setOpacity(_fadeOpacity);
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p.setBrush(st::mediaviewPlaybackInactive);
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p.drawRoundedRect(mid - radius, (height() - st::mediaviewPlaybackWidth) / 2, width() - (mid - radius), st::mediaviewPlaybackWidth, radius, radius);
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}
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int x = mid - skip;
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p.setClipRect(rect());
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p.setOpacity(_fadeOpacity * (over * st::mediaviewActiveOpacity + (1. - over) * st::mediaviewInactiveOpacity));
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p.setBrush(st::mediaviewPlaybackActive);
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p.drawRoundedRect(x, (height() - st::mediaviewSeekSize.height()) / 2, st::mediaviewSeekSize.width(), st::mediaviewSeekSize.height(), st::mediaviewSeekSize.width() / 2, st::mediaviewSeekSize.width() / 2);
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}
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void Playback::mouseMoveEvent(QMouseEvent *e) {
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}
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void Playback::mousePressEvent(QMouseEvent *e) {
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}
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void Playback::mouseReleaseEvent(QMouseEvent *e) {
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}
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void Playback::enterEvent(QEvent *e) {
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setOver(true);
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}
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void Playback::leaveEvent(QEvent *e) {
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setOver(false);
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}
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void Playback::setOver(bool over) {
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if (_over == over) return;
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_over = over;
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auto from = _over ? 0. : 1., to = _over ? 1. : 0.;
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START_ANIMATION(_a_over, func(this, &Playback::updateCallback), from, to, st::mediaviewOverDuration, anim::linear);
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}
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} // namespace Clip
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} // namespace Media
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