Add macro action "media"

src/headers/macro-action-media.hpp

@@ -0,0 +1,62 @@
+#pragma once
+#include <QSpinBox>
+#include "macro-action-edit.hpp"
+
+enum class MediaAction {
+	PLAY,
+	PAUSE,
+	STOP,
+	RESTART,
+	NEXT,
+	PREVIOUS,
+};
+
+class MacroActionMedia : public MacroAction {
+public:
+	bool PerformAction();
+	void LogAction();
+	bool Save(obs_data_t *obj);
+	bool Load(obs_data_t *obj);
+	std::string GetId() { return id; };
+	static std::shared_ptr<MacroAction> Create()
+	{
+		return std::make_shared<MacroActionMedia>();
+	}
+
+	OBSWeakSource _mediaSource;
+	MediaAction _action = MediaAction::PLAY;
+
+private:
+	static bool _registered;
+	static const std::string id;
+};
+
+class MacroActionMediaEdit : public QWidget {
+	Q_OBJECT
+
+public:
+	MacroActionMediaEdit(
+		QWidget *parent,
+		std::shared_ptr<MacroActionMedia> entryData = nullptr);
+	void UpdateEntryData();
+	static QWidget *Create(QWidget *parent,
+			       std::shared_ptr<MacroAction> action)
+	{
+		return new MacroActionMediaEdit(
+			parent,
+			std::dynamic_pointer_cast<MacroActionMedia>(action));
+	}
+
+private slots:
+	void SourceChanged(const QString &text);
+	void ActionChanged(int value);
+
+protected:
+	QComboBox *_mediaSources;
+	QComboBox *_actions;
+	std::shared_ptr<MacroActionMedia> _entryData;
+
+private:
+	QHBoxLayout *_mainLayout;
+	bool _loading = true;
+};

src/macro-action-media.cpp

@@ -0,0 +1,153 @@
+#include "headers/macro-action-media.hpp"
+#include "headers/advanced-scene-switcher.hpp"
+#include "headers/utility.hpp"
+
+const std::string MacroActionMedia::id = "media";
+
+bool MacroActionMedia::_registered = MacroActionFactory::Register(
+	MacroActionMedia::id,
+	{MacroActionMedia::Create, MacroActionMediaEdit::Create,
+	 "AdvSceneSwitcher.action.media"});
+
+const static std::map<MediaAction, std::string> actionTypes = {
+	{MediaAction::PLAY, "AdvSceneSwitcher.action.media.type.play"},
+	{MediaAction::PAUSE, "AdvSceneSwitcher.action.media.type.pause"},
+	{MediaAction::STOP, "AdvSceneSwitcher.action.media.type.stop"},
+	{MediaAction::RESTART, "AdvSceneSwitcher.action.media.type.restart"},
+	{MediaAction::NEXT, "AdvSceneSwitcher.action.media.type.next"},
+	{MediaAction::PREVIOUS, "AdvSceneSwitcher.action.media.type.previous"},
+};
+
+bool MacroActionMedia::PerformAction()
+{
+	auto source = obs_weak_source_get_source(_mediaSource);
+	obs_media_state state = obs_source_media_get_state(source);
+	switch (_action) {
+	case MediaAction::PLAY:
+		if (state == OBS_MEDIA_STATE_STOPPED ||
+		    state == OBS_MEDIA_STATE_ENDED) {
+			obs_source_media_restart(source);
+		} else {
+			obs_source_media_play_pause(source, false);
+		}
+		break;
+	case MediaAction::PAUSE:
+		obs_source_media_play_pause(source, true);
+		break;
+	case MediaAction::STOP:
+		obs_source_media_stop(source);
+		break;
+	case MediaAction::RESTART:
+		obs_source_media_restart(source);
+		break;
+	case MediaAction::NEXT:
+		obs_source_media_next(source);
+		break;
+	case MediaAction::PREVIOUS:
+		obs_source_media_previous(source);
+		break;
+	default:
+		break;
+	}
+	obs_source_release(source);
+	return true;
+}
+
+void MacroActionMedia::LogAction()
+{
+	auto it = actionTypes.find(_action);
+	if (it != actionTypes.end()) {
+		vblog(LOG_INFO, "performed action \"%s\" for source \"%s\"",
+		      it->second.c_str(),
+		      GetWeakSourceName(_mediaSource).c_str());
+	} else {
+		blog(LOG_WARNING, "ignored unknown media action %d",
+		     static_cast<int>(_action));
+	}
+}
+
+bool MacroActionMedia::Save(obs_data_t *obj)
+{
+	MacroAction::Save(obj);
+	obs_data_set_string(obj, "mediaSource",
+			    GetWeakSourceName(_mediaSource).c_str());
+	obs_data_set_int(obj, "action", static_cast<int>(_action));
+	return true;
+}
+
+bool MacroActionMedia::Load(obs_data_t *obj)
+{
+	MacroAction::Load(obj);
+	const char *MediaSourceName = obs_data_get_string(obj, "mediaSource");
+	_mediaSource = GetWeakSourceByName(MediaSourceName);
+	_action = static_cast<MediaAction>(obs_data_get_int(obj, "action"));
+	return true;
+}
+
+static inline void populateActionSelection(QComboBox *list)
+{
+	for (auto entry : actionTypes) {
+		list->addItem(obs_module_text(entry.second.c_str()));
+	}
+}
+
+MacroActionMediaEdit::MacroActionMediaEdit(
+	QWidget *parent, std::shared_ptr<MacroActionMedia> entryData)
+	: QWidget(parent)
+{
+	_mediaSources = new QComboBox();
+	_actions = new QComboBox();
+
+	populateActionSelection(_actions);
+	AdvSceneSwitcher::populateMediaSelection(_mediaSources);
+
+	QWidget::connect(_actions, SIGNAL(currentIndexChanged(int)), this,
+			 SLOT(ActionChanged(int)));
+	QWidget::connect(_mediaSources,
+			 SIGNAL(currentTextChanged(const QString &)), this,
+			 SLOT(SourceChanged(const QString &)));
+
+	QHBoxLayout *mainLayout = new QHBoxLayout;
+	std::unordered_map<std::string, QWidget *> widgetPlaceholders = {
+		{"{{mediaSources}}", _mediaSources},
+		{"{{actions}}", _actions},
+	};
+	placeWidgets(obs_module_text("AdvSceneSwitcher.action.media.entry"),
+		     mainLayout, widgetPlaceholders);
+	setLayout(mainLayout);
+
+	_entryData = entryData;
+	UpdateEntryData();
+	_loading = false;
+}
+
+void MacroActionMediaEdit::UpdateEntryData()
+{
+	if (!_entryData) {
+		return;
+	}
+
+	_mediaSources->setCurrentText(
+		GetWeakSourceName(_entryData->_mediaSource).c_str());
+	_actions->setCurrentIndex(static_cast<int>(_entryData->_action));
+}
+
+void MacroActionMediaEdit::SourceChanged(const QString &text)
+{
+	if (_loading || !_entryData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	_entryData->_mediaSource = GetWeakSourceByQString(text);
+}
+
+void MacroActionMediaEdit::ActionChanged(int value)
+{
+	if (_loading || !_entryData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	_entryData->_action = static_cast<MediaAction>(value);
+}