91 lines
2.7 KiB
C++
91 lines
2.7 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/player/media_player_volume_controller.h"
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#include "media/media_audio.h"
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#include "ui/buttons/icon_button.h"
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#include "ui/widgets/media_slider.h"
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#include "styles/style_media_player.h"
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#include "styles/style_widgets.h"
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namespace Media {
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namespace Player {
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VolumeController::VolumeController(QWidget *parent) : TWidget(parent)
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, _toggle(this, st::mediaPlayerVolumeToggle)
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, _slider(this, st::mediaPlayerPlayback) {
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_toggle->setClickedCallback([this]() {
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setVolume(_slider->value() ? 0. : _rememberedVolume);
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});
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_slider->setChangeProgressCallback([this](float64 volume) {
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applyVolumeChange(volume);
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});
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_slider->setChangeFinishedCallback([this](float64 volume) {
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if (volume > 0) {
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_rememberedVolume = volume;
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}
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applyVolumeChange(volume);
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});
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auto animated = false;
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setVolume(Global::SongVolume(), animated);
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resize(st::mediaPlayerVolumeWidth, 2 * st::mediaPlayerPlaybackPadding + st::mediaPlayerPlayback.width);
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}
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void VolumeController::resizeEvent(QResizeEvent *e) {
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_slider->resize(st::mediaPlayerVolumeLength, height());
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_slider->moveToRight(0, 0);
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_toggle->moveToLeft(0, (height() - _toggle->height()) / 2);
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}
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void VolumeController::setVolume(float64 volume, bool animated) {
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_slider->setValue(volume, animated);
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if (volume > 0) {
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_rememberedVolume = volume;
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}
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applyVolumeChange(volume);
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}
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void VolumeController::applyVolumeChange(float64 volume) {
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if (volume > 0) {
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if (volume < 1 / 3.) {
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_toggle->setIcon(&st::mediaPlayerVolumeIcon1);
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} else if (volume < 2 / 3.) {
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_toggle->setIcon(&st::mediaPlayerVolumeIcon2);
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} else {
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_toggle->setIcon(&st::mediaPlayerVolumeIcon3);
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}
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} else {
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_toggle->setIcon(nullptr);
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}
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if (volume != Global::SongVolume()) {
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Global::SetSongVolume(volume);
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if (auto player = audioPlayer()) {
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emit player->songVolumeChanged();
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}
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}
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}
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} // namespace Player
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} // namespace Media
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