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2af0d0845d
Use dash instead of underscore as parameter name separator Will break alot of configs but people like to work!
242 lines
8.1 KiB
C++
242 lines
8.1 KiB
C++
#pragma once
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#include "config.hpp"
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#include "drawtypes/animation.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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#include "utils/file.hpp"
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#include "utils/inotify.hpp"
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#include "utils/string.hpp"
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LEMONBUDDY_NS
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namespace modules {
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class battery_module : public inotify_module<battery_module> {
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public:
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using inotify_module::inotify_module;
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void setup() {
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// Load configuration values {{{
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m_battery = m_conf.get<string>(name(), "battery", "BAT0");
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m_adapter = m_conf.get<string>(name(), "adapter", "ADP1");
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m_fullat = m_conf.get<int>(name(), "full-at", 100);
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m_path_capacity = string_util::replace(PATH_BATTERY_CAPACITY, "%battery%", m_battery);
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m_path_adapter = string_util::replace(PATH_ADAPTER_STATUS, "%adapter%", m_adapter);
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m_state = STATE_UNKNOWN;
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m_percentage = 0;
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// }}}
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// Validate paths {{{
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if (!file_util::exists(m_path_capacity))
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throw module_error("battery_module: The file '" + m_path_capacity + "' does not exist");
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if (!file_util::exists(m_path_adapter))
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throw module_error("battery_module: The file '" + m_path_adapter + "' does not exist");
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// }}}
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// Add formats and elements {{{
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m_formatter->add(FORMAT_CHARGING, TAG_LABEL_CHARGING,
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{TAG_BAR_CAPACITY, TAG_RAMP_CAPACITY, TAG_ANIMATION_CHARGING, TAG_LABEL_CHARGING});
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m_formatter->add(FORMAT_DISCHARGING, TAG_LABEL_DISCHARGING,
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{TAG_BAR_CAPACITY, TAG_RAMP_CAPACITY, TAG_LABEL_DISCHARGING});
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m_formatter->add(
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FORMAT_FULL, TAG_LABEL_FULL, {TAG_BAR_CAPACITY, TAG_RAMP_CAPACITY, TAG_LABEL_FULL});
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if (m_formatter->has(TAG_ANIMATION_CHARGING, FORMAT_CHARGING))
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m_animation_charging = get_config_animation(m_conf, name(), TAG_ANIMATION_CHARGING);
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if (m_formatter->has(TAG_BAR_CAPACITY))
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m_bar_capacity = get_config_bar(m_bar, m_conf, name(), TAG_BAR_CAPACITY);
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if (m_formatter->has(TAG_RAMP_CAPACITY))
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m_ramp_capacity = get_config_ramp(m_conf, name(), TAG_RAMP_CAPACITY);
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if (m_formatter->has(TAG_LABEL_CHARGING, FORMAT_CHARGING)) {
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m_label_charging =
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get_optional_config_label(m_conf, name(), TAG_LABEL_CHARGING, "%percentage%");
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m_label_charging_tokenized = m_label_charging->clone();
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}
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if (m_formatter->has(TAG_LABEL_DISCHARGING, FORMAT_DISCHARGING)) {
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m_label_discharging =
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get_optional_config_label(m_conf, name(), TAG_LABEL_DISCHARGING, "%percentage%");
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m_label_discharging_tokenized = m_label_discharging->clone();
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}
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if (m_formatter->has(TAG_LABEL_FULL, FORMAT_FULL)) {
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m_label_full = get_optional_config_label(m_conf, name(), TAG_LABEL_FULL, "%percentage%");
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m_label_full_tokenized = m_label_full->clone();
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}
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// }}}
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// Create inotify watches {{{
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watch(m_path_capacity, IN_ACCESS);
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watch(m_path_adapter, IN_ACCESS);
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// }}}
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}
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void start() {
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m_threads.emplace_back(thread(&battery_module::subthread_routine, this));
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inotify_module::start();
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}
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bool on_event(inotify_event* event) {
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if (event != nullptr)
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m_log.trace("%s: %s", name(), event->filename);
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auto status = file_util::get_contents(m_path_adapter);
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if (status.empty()) {
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m_log.err("%s: Failed to read '%s'", name(), m_path_adapter);
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return false;
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}
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auto capacity = file_util::get_contents(m_path_capacity);
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if (capacity.empty()) {
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m_log.err("%s: Failed to read '%s'", name(), m_path_capacity);
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return false;
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}
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int percentage = math_util::cap<float>(std::atof(capacity.c_str()), 0, 100) + 0.5;
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int state = STATE_UNKNOWN;
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switch (status[0]) {
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case '0':
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state = STATE_DISCHARGING;
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break;
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case '1':
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state = STATE_CHARGING;
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break;
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}
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if (state == STATE_CHARGING) {
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if (percentage >= m_fullat)
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percentage = 100;
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if (percentage == 100)
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state = STATE_FULL;
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}
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// check for nullptr since we don't want to ignore the update for the warmup run
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if (event != nullptr && m_state == state && m_percentage == percentage) {
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m_log.trace("%s: Ignore update since values are unchanged", name());
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return false;
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}
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if (m_label_charging_tokenized) {
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m_label_charging_tokenized->m_text = m_label_charging->m_text;
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m_label_charging_tokenized->replace_token("%percentage%", to_string(percentage) + "%");
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}
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if (m_label_discharging_tokenized) {
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m_label_discharging_tokenized->m_text = m_label_discharging->m_text;
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m_label_discharging_tokenized->replace_token("%percentage%", to_string(percentage) + "%");
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}
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if (m_label_full_tokenized) {
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m_label_full_tokenized->m_text = m_label_full->m_text;
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m_label_full_tokenized->replace_token("%percentage%", to_string(percentage) + "%");
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}
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m_state = state;
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m_percentage = percentage;
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return true;
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}
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string get_format() {
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if (m_state == STATE_FULL)
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return FORMAT_FULL;
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else if (m_state == STATE_CHARGING)
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return FORMAT_CHARGING;
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else
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return FORMAT_DISCHARGING;
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}
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bool build(builder* builder, string tag) {
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if (tag == TAG_ANIMATION_CHARGING)
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builder->node(m_animation_charging->get());
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else if (tag == TAG_BAR_CAPACITY) {
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builder->node(m_bar_capacity->output(m_percentage));
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} else if (tag == TAG_RAMP_CAPACITY)
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builder->node(m_ramp_capacity->get_by_percentage(m_percentage));
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else if (tag == TAG_LABEL_CHARGING)
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builder->node(m_label_charging_tokenized);
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else if (tag == TAG_LABEL_DISCHARGING)
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builder->node(m_label_discharging_tokenized);
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else if (tag == TAG_LABEL_FULL)
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builder->node(m_label_full_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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protected:
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void subthread_routine() {
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this_thread::yield();
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chrono::duration<double> dur = 1s;
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if (m_animation_charging)
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dur = chrono::duration<double>(float(m_animation_charging->framerate()) / 1000.0f);
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int i = 0;
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const int poll_seconds = m_conf.get<float>(name(), "poll-interval", 3.0f) / dur.count();
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while (enabled()) {
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// TODO(jaagr): Keep track of when the values were last read to determine
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// if we need to trigger the event manually or not.
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if (poll_seconds > 0 && (++i % poll_seconds) == 0) {
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// Trigger an inotify event in case the underlying filesystem doesn't
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m_log.trace("%s: Poll battery capacity", name());
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file_util::get_contents(m_path_capacity);
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i = 0;
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}
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if (m_state == STATE_CHARGING)
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broadcast();
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sleep(dur);
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}
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m_log.trace("%s: Reached end of battery subthread", name());
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}
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private:
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static const int STATE_UNKNOWN = 1;
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static const int STATE_CHARGING = 2;
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static const int STATE_DISCHARGING = 3;
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static const int STATE_FULL = 4;
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static constexpr auto FORMAT_CHARGING = "format-charging";
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static constexpr auto FORMAT_DISCHARGING = "format-discharging";
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static constexpr auto FORMAT_FULL = "format-full";
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static constexpr auto TAG_ANIMATION_CHARGING = "<animation-charging>";
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static constexpr auto TAG_BAR_CAPACITY = "<bar-capacity>";
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static constexpr auto TAG_RAMP_CAPACITY = "<ramp-capacity>";
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static constexpr auto TAG_LABEL_CHARGING = "<label-charging>";
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static constexpr auto TAG_LABEL_DISCHARGING = "<label-discharging>";
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static constexpr auto TAG_LABEL_FULL = "<label-full>";
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animation_t m_animation_charging;
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ramp_t m_ramp_capacity;
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progressbar_t m_bar_capacity;
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label_t m_label_charging;
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label_t m_label_charging_tokenized;
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label_t m_label_discharging;
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label_t m_label_discharging_tokenized;
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label_t m_label_full;
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label_t m_label_full_tokenized;
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string m_battery;
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string m_adapter;
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string m_path_capacity;
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string m_path_adapter;
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int m_state;
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int m_percentage;
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int m_fullat;
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};
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}
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LEMONBUDDY_NS_END
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