298 lines
10 KiB
C++
298 lines
10 KiB
C++
#pragma once
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#include "adapters/alsa.hpp"
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#include "config.hpp"
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#include "drawtypes/label.hpp"
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#include "drawtypes/progressbar.hpp"
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#include "drawtypes/ramp.hpp"
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#include "modules/meta.hpp"
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LEMONBUDDY_NS
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namespace modules {
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class volume_module : public event_module<volume_module> {
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public:
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using event_module::event_module;
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void setup() {
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// Load configuration values {{{
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auto master_mixer = m_conf.get<string>(name(), "master_mixer", "Master");
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auto speaker_mixer = m_conf.get<string>(name(), "speaker_mixer", "");
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auto headphone_mixer = m_conf.get<string>(name(), "headphone_mixer", "");
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m_headphone_ctrl_numid = m_conf.get<int>(name(), "headphone_control_numid", -1);
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if (!headphone_mixer.empty() && m_headphone_ctrl_numid == -1)
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throw module_error(
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"volume_module: Missing required property value for \"headphone_control_numid\"...");
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else if (headphone_mixer.empty() && m_headphone_ctrl_numid != -1)
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throw module_error(
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"volume_module: Missing required property value for \"headphone_mixer\"...");
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if (string_util::lower(speaker_mixer) == "master")
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throw module_error(
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"volume_module: The \"Master\" mixer is already processed internally. Specify another "
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"mixer or comment out the \"speaker_mixer\" parameter...");
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if (string_util::lower(headphone_mixer) == "master")
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throw module_error(
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"volume_module: The \"Master\" mixer is already processed internally. Specify another "
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"mixer or comment out the \"headphone_mixer\" parameter...");
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// }}}
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// Setup mixers {{{
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auto create_mixer = [](const logger& log, string mixer_name) {
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unique_ptr<alsa_mixer> mixer;
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try {
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mixer = make_unique<alsa_mixer>(mixer_name);
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} catch (const alsa_mixer_error& e) {
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log.err("volume_module: Failed to open '%s' mixer => %s", mixer_name, e.what());
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mixer.reset();
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}
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return mixer;
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};
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m_master_mixer = create_mixer(m_log, master_mixer);
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if (!speaker_mixer.empty())
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m_speaker_mixer = create_mixer(m_log, speaker_mixer);
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if (!headphone_mixer.empty())
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m_headphone_mixer = create_mixer(m_log, headphone_mixer);
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if (!m_master_mixer && !m_speaker_mixer && !m_headphone_mixer) {
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stop();
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return;
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}
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if (m_headphone_mixer && m_headphone_ctrl_numid > -1) {
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try {
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m_headphone_ctrl = make_unique<alsa_ctl_interface>(m_headphone_ctrl_numid);
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} catch (const alsa_ctl_interface_error& e) {
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m_log.err("%s: Failed to open headphone control interface => %s", name(), e.what());
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m_headphone_ctrl.reset();
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}
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}
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// }}}
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// Add formats and elements {{{
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m_formatter->add(
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FORMAT_VOLUME, TAG_LABEL_VOLUME, {TAG_RAMP_VOLUME, TAG_LABEL_VOLUME, TAG_BAR_VOLUME});
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m_formatter->add(
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FORMAT_MUTED, TAG_LABEL_MUTED, {TAG_RAMP_VOLUME, TAG_LABEL_MUTED, TAG_BAR_VOLUME});
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if (m_formatter->has(TAG_BAR_VOLUME)) {
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m_bar_volume = get_config_bar(m_bar, m_conf, name(), TAG_BAR_VOLUME);
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}
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if (m_formatter->has(TAG_RAMP_VOLUME)) {
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m_ramp_volume = get_config_ramp(m_conf, name(), TAG_RAMP_VOLUME);
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m_ramp_headphones = get_config_ramp(m_conf, name(), TAG_RAMP_HEADPHONES, false);
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}
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if (m_formatter->has(TAG_LABEL_VOLUME, FORMAT_VOLUME)) {
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m_label_volume =
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get_optional_config_label(m_conf, name(), TAG_LABEL_VOLUME, "%percentage%");
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m_label_volume_tokenized = m_label_volume->clone();
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}
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if (m_formatter->has(TAG_LABEL_MUTED, FORMAT_MUTED)) {
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m_label_muted = get_optional_config_label(m_conf, name(), TAG_LABEL_MUTED, "%percentage%");
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m_label_muted_tokenized = m_label_muted->clone();
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}
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// }}}
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}
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void stop() {
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std::lock_guard<threading_util::spin_lock> lck(this->update_lock);
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m_master_mixer.reset();
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m_speaker_mixer.reset();
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m_headphone_mixer.reset();
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m_headphone_ctrl.reset();
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event_module::stop();
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}
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bool has_event() {
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if (m_updated)
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return true;
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try {
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bool has_event = false;
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if (m_master_mixer)
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has_event |= m_master_mixer->wait(25);
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if (m_speaker_mixer)
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has_event |= m_speaker_mixer->wait(25);
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if (m_headphone_mixer)
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has_event |= m_headphone_mixer->wait(25);
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if (m_headphone_ctrl)
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has_event |= m_headphone_ctrl->wait(25);
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return has_event;
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} catch (const alsa_exception& e) {
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m_log.err("%s: %s", name(), e.what());
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return false;
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}
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}
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bool update() {
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m_updated = false;
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// Consume any other pending events
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if (m_master_mixer)
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m_master_mixer->process_events();
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if (m_speaker_mixer)
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m_speaker_mixer->process_events();
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if (m_headphone_mixer)
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m_headphone_mixer->process_events();
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if (m_headphone_ctrl)
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m_headphone_ctrl->wait(0);
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int volume = 100;
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bool muted = false;
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if (m_master_mixer) {
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volume *= m_master_mixer->get_volume() / 100.0f;
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muted |= m_master_mixer->is_muted();
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}
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if (m_headphone_mixer && m_headphone_ctrl && m_headphone_ctrl->test_device_plugged()) {
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m_headphones = true;
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volume *= m_headphone_mixer->get_volume() / 100.0f;
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muted |= m_headphone_mixer->is_muted();
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} else if (m_speaker_mixer) {
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m_headphones = false;
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volume *= m_speaker_mixer->get_volume() / 100.0f;
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muted |= m_speaker_mixer->is_muted();
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}
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m_volume = volume;
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m_muted = muted;
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if (m_label_volume_tokenized) {
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m_label_volume_tokenized->m_text = m_label_volume->m_text;
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m_label_volume_tokenized->replace_token("%percentage%", to_string(m_volume) + "%");
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}
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if (m_label_muted_tokenized) {
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m_label_muted_tokenized->m_text = m_label_muted->m_text;
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m_label_muted_tokenized->replace_token("%percentage%", to_string(m_volume) + "%");
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}
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return true;
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}
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string get_format() {
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return m_muted == true ? FORMAT_MUTED : FORMAT_VOLUME;
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}
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string get_output() {
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m_builder->cmd(mousebtn::LEFT, EVENT_TOGGLE_MUTE);
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if (!m_muted && m_volume < 100)
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m_builder->cmd(mousebtn::SCROLL_UP, EVENT_VOLUME_UP);
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else
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m_log.trace("%s: Not adding scroll up handler (muted or volume = 100)", name());
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if (!m_muted && m_volume > 0)
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m_builder->cmd(mousebtn::SCROLL_DOWN, EVENT_VOLUME_DOWN);
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else
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m_log.trace("%s: Not adding scroll down handler (muted or volume = 0)", name());
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m_builder->node(module::get_output());
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return m_builder->flush();
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}
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bool build(builder* builder, string tag) {
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if (tag == TAG_BAR_VOLUME)
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builder->node(m_bar_volume->output(m_volume));
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else if (tag == TAG_RAMP_VOLUME && (!m_headphones || !*m_ramp_headphones))
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builder->node(m_ramp_volume->get_by_percentage(m_volume));
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else if (tag == TAG_RAMP_VOLUME && m_headphones && *m_ramp_headphones)
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builder->node(m_ramp_headphones->get_by_percentage(m_volume));
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else if (tag == TAG_LABEL_VOLUME)
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builder->node(m_label_volume_tokenized);
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else if (tag == TAG_LABEL_MUTED)
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builder->node(m_label_muted_tokenized);
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else
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return false;
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return true;
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}
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bool handle_event(string cmd) {
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if (cmd.compare(0, 3, EVENT_PREFIX) != 0)
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return false;
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if (!m_master_mixer)
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return false;
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alsa_mixer* master_mixer = m_master_mixer.get();
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alsa_mixer* other_mixer = nullptr;
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if (m_headphone_mixer && m_headphone_ctrl && m_headphone_ctrl->test_device_plugged())
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other_mixer = m_headphone_mixer.get();
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else if (m_speaker_mixer)
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other_mixer = m_speaker_mixer.get();
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if (cmd.compare(0, strlen(EVENT_TOGGLE_MUTE), EVENT_TOGGLE_MUTE) == 0) {
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master_mixer->set_mute(m_muted);
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if (other_mixer != nullptr)
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other_mixer->set_mute(m_muted);
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} else if (cmd.compare(0, strlen(EVENT_VOLUME_UP), EVENT_VOLUME_UP) == 0) {
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master_mixer->set_volume(math_util::cap<float>(master_mixer->get_volume() + 5, 0, 100));
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if (other_mixer != nullptr)
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other_mixer->set_volume(math_util::cap<float>(other_mixer->get_volume() + 5, 0, 100));
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} else if (cmd.compare(0, strlen(EVENT_VOLUME_DOWN), EVENT_VOLUME_DOWN) == 0) {
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master_mixer->set_volume(math_util::cap<float>(master_mixer->get_volume() - 5, 0, 100));
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if (other_mixer != nullptr)
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other_mixer->set_volume(math_util::cap<float>(other_mixer->get_volume() - 5, 0, 100));
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} else {
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return false;
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}
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m_updated = true;
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return true;
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}
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bool receive_events() const {
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return true;
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}
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private:
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static constexpr auto FORMAT_VOLUME = "format-volume";
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static constexpr auto FORMAT_MUTED = "format-muted";
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static constexpr auto TAG_RAMP_VOLUME = "<ramp-volume>";
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static constexpr auto TAG_RAMP_HEADPHONES = "<ramp-headphones>";
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static constexpr auto TAG_BAR_VOLUME = "<bar-volume>";
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static constexpr auto TAG_LABEL_VOLUME = "<label-volume>";
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static constexpr auto TAG_LABEL_MUTED = "<label-muted>";
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static constexpr auto EVENT_PREFIX = "vol";
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static constexpr auto EVENT_VOLUME_UP = "volup";
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static constexpr auto EVENT_VOLUME_DOWN = "voldown";
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static constexpr auto EVENT_TOGGLE_MUTE = "volmute";
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progressbar_t m_bar_volume;
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ramp_t m_ramp_volume;
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ramp_t m_ramp_headphones;
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label_t m_label_volume;
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label_t m_label_volume_tokenized;
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label_t m_label_muted;
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label_t m_label_muted_tokenized;
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unique_ptr<alsa_mixer> m_master_mixer;
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unique_ptr<alsa_mixer> m_speaker_mixer;
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unique_ptr<alsa_mixer> m_headphone_mixer;
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unique_ptr<alsa_ctl_interface> m_headphone_ctrl;
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int m_headphone_ctrl_numid = -1;
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int m_volume = 0;
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bool m_muted = false;
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bool m_updated = false;
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bool m_headphones = false;
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};
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}
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LEMONBUDDY_NS_END
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