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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/system/audio/unified_volume_slider_controller.h"
#include "ash/constants/quick_settings_catalogs.h"
#include "ash/system/audio/unified_volume_view.h"
#include "base/metrics/histogram_functions.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "chromeos/ash/components/audio/cras_audio_handler.h"
namespace ash {
namespace {
UnifiedVolumeSliderController::MapDeviceSliderCallback*
g_map_slider_device_callback = nullptr;
} // namespace
UnifiedVolumeSliderController::Delegate::Delegate() = default;
UnifiedVolumeSliderController::Delegate::~Delegate() = default;
UnifiedVolumeSliderController::UnifiedVolumeSliderController(
UnifiedVolumeSliderController::Delegate* delegate)
: delegate_(delegate),
output_volume_metric_delay_timer_(
FROM_HERE,
CrasAudioHandler::kMetricsDelayTimerInterval,
/*receiver=*/this,
&UnifiedVolumeSliderController::RecordVolumeSourceMetric) {
CHECK(delegate);
}
UnifiedVolumeSliderController::UnifiedVolumeSliderController()
: delegate_(nullptr),
output_volume_metric_delay_timer_(
FROM_HERE,
CrasAudioHandler::kMetricsDelayTimerInterval,
/*receiver=*/this,
&UnifiedVolumeSliderController::RecordVolumeSourceMetric) {}
UnifiedVolumeSliderController::~UnifiedVolumeSliderController() = default;
std::unique_ptr<UnifiedVolumeView>
UnifiedVolumeSliderController::CreateVolumeSlider(
uint64_t device_id,
const gfx::Insets& inside_padding) {
auto slider = std::make_unique<UnifiedVolumeView>(
this, device_id, /*is_active_output_node=*/false,
/*inside_padding=*/inside_padding);
if (g_map_slider_device_callback) {
g_map_slider_device_callback->Run(device_id, slider.get());
}
return slider;
}
// static
void UnifiedVolumeSliderController::SetMapDeviceSliderCallbackForTest(
MapDeviceSliderCallback* map_slider_device_callback) {
g_map_slider_device_callback = map_slider_device_callback;
}
std::unique_ptr<UnifiedSliderView> UnifiedVolumeSliderController::CreateView() {
#if DCHECK_IS_ON()
DCHECK(!created_view_);
created_view_ = true;
#endif
return std::make_unique<UnifiedVolumeView>(this, delegate_,
/*is_active_output_node=*/true);
}
QsSliderCatalogName UnifiedVolumeSliderController::GetCatalogName() {
return QsSliderCatalogName::kVolume;
}
void UnifiedVolumeSliderController::SliderValueChanged(
views::Slider* sender,
float value,
float old_value,
views::SliderChangeReason reason) {
if (reason != views::SliderChangeReason::kByUser) {
return;
}
const int level = value * 100;
auto* const audio_handler = CrasAudioHandler::Get();
// If the `level` doesn't change, don't do anything.
if (level == audio_handler->GetOutputVolumePercent()) {
return;
}
TrackValueChangeUMA(/*going_up=*/level >
audio_handler->GetOutputVolumePercent());
audio_handler->SetOutputVolumePercent(level);
// Manually sets the mute state since we don't distinguish muted and level is
// 0 state.
if (level == 0) {
audio_handler->SetOutputMute(/*mute_on=*/true);
}
// If the volume is above certain level and it's muted, it should be unmuted.
if (audio_handler->IsOutputMuted() &&
level > audio_handler->GetOutputDefaultVolumeMuteThreshold()) {
audio_handler->SetOutputMute(/*mute_on=*/false);
}
output_volume_metric_delay_timer_.Reset();
}
void UnifiedVolumeSliderController::SliderButtonPressed() {
auto* const audio_handler = CrasAudioHandler::Get();
const bool mute = !audio_handler->IsOutputMuted();
// If the level is 0, the slider is still muted, and nothing needs to be done.
if (audio_handler->GetOutputVolumePercent() == 0) {
return;
}
TrackToggleUMA(/*target_toggle_state=*/mute);
audio_handler->SetOutputMute(
mute, CrasAudioHandler::AudioSettingsChangeSource::kSystemTray);
}
void UnifiedVolumeSliderController::RecordVolumeSourceMetric() {
base::UmaHistogramEnumeration(
CrasAudioHandler::kOutputVolumeChangedSourceHistogramName,
CrasAudioHandler::AudioSettingsChangeSource::kSystemTray);
}
} // namespace ash
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