Merge pull request #172 from hex007/feature-powersaver

Implement Power Savings feature

es-app/src/components/TextListComponent.h

@@ -86,7 +86,7 @@ protected:
 	virtual void onCursorChanged(const CursorState& state);
 
 private:
-	static const int MARQUEE_DELAY = 2000;
+	static const int MARQUEE_DELAY = 1000;
 	static const int MARQUEE_SPEED = 8;
 	static const int MARQUEE_RATE = 1;
 

es-app/src/guis/GuiGameScraper.cpp

@@ -6,6 +6,7 @@
 #include "scrapers/Scraper.h"
 #include "Renderer.h"
 #include "Log.h"
+#include "PowerSaver.h"
 #include "Settings.h"
 
 GuiGameScraper::GuiGameScraper(Window* window, ScraperSearchParams params, std::function<void(const ScraperSearchResult&)> doneFunc) : GuiComponent(window), 
@@ -14,6 +15,7 @@ GuiGameScraper::GuiGameScraper(Window* window, ScraperSearchParams params, std::
 	mSearchParams(params),
 	mClose(false)
 {
+	PowerSaver::setState(false);
 	addChild(&mBox);
 	addChild(&mGrid);
 
@@ -96,6 +98,7 @@ bool GuiGameScraper::input(InputConfig* config, Input input)
 {
 	if(config->isMappedTo("b", input) && input.value)
 	{
+		PowerSaver::setState(true);
 		delete this;
 		return true;
 	}

es-app/src/guis/GuiMenu.cpp

@@ -4,6 +4,7 @@
 #include "Sound.h"
 #include "Log.h"
 #include "Settings.h"
+#include "PowerSaver.h"
 #include "guis/GuiMsgBox.h"
 #include "guis/GuiSettings.h"
 #include "guis/GuiScreensaverOptions.h"
@@ -175,7 +176,16 @@ GuiMenu::GuiMenu(Window* window) : GuiComponent(window), mMenu(window, "MAIN MEN
 			auto move_carousel = std::make_shared<SwitchComponent>(mWindow);
 			move_carousel->setState(Settings::getInstance()->getBool("MoveCarousel"));
 			s->addWithLabel("CAROUSEL TRANSITIONS", move_carousel);
-			s->addSaveFunc([move_carousel] { Settings::getInstance()->setBool("MoveCarousel", move_carousel->getState()); });
+			s->addSaveFunc([move_carousel] {
+				if (move_carousel->getState()
+					&& !Settings::getInstance()->getBool("MoveCarousel")
+					&& PowerSaver::ps_instant == PowerSaver::getTimeout())
+				{
+					Settings::getInstance()->setString("PowerSaverMode", "default");
+					PowerSaver::init();
+				}
+				Settings::getInstance()->setBool("MoveCarousel", move_carousel->getState());
+			});
 
 			// transition style
 			auto transition_style = std::make_shared< OptionListComponent<std::string> >(mWindow, "TRANSITION STYLE", false);
@@ -186,7 +196,16 @@ GuiMenu::GuiMenu(Window* window) : GuiComponent(window), mMenu(window, "MAIN MEN
 			for(auto it = transitions.begin(); it != transitions.end(); it++)
 				transition_style->add(*it, *it, Settings::getInstance()->getString("TransitionStyle") == *it);
 			s->addWithLabel("TRANSITION STYLE", transition_style);
-			s->addSaveFunc([transition_style] { Settings::getInstance()->setString("TransitionStyle", transition_style->getSelected()); });
+			s->addSaveFunc([transition_style] {
+				if (Settings::getInstance()->getString("TransitionStyle") == "instant"
+					&& transition_style->getSelected() != "instant"
+					&& PowerSaver::ps_instant == PowerSaver::getTimeout())
+				{
+					Settings::getInstance()->setString("PowerSaverMode", "default");
+					PowerSaver::init();
+				}
+				Settings::getInstance()->setString("TransitionStyle", transition_style->getSelected());
+			});
 
 			// theme set
 			auto themeSets = ThemeData::getThemeSets();
@@ -247,6 +266,7 @@ GuiMenu::GuiMenu(Window* window) : GuiComponent(window), mMenu(window, "MAIN MEN
 	addEntry("GAME COLLECTION SETTINGS", 0x777777FF, true,
 		[this] { openCollectionSystemSettings();
 		});
+		
 	addEntry("OTHER SETTINGS", 0x777777FF, true,
 		[this] {
 			auto s = new GuiSettings(mWindow, "OTHER SETTINGS");
@@ -257,6 +277,32 @@ GuiMenu::GuiMenu(Window* window) : GuiComponent(window), mMenu(window, "MAIN MEN
 			s->addWithLabel("VRAM LIMIT", max_vram);
 			s->addSaveFunc([max_vram] { Settings::getInstance()->setInt("MaxVRAM", (int)round(max_vram->getValue())); });
 
+			// power saver
+			auto power_saver = std::make_shared< OptionListComponent<std::string> >(mWindow, "POWER SAVER MODES", false);
+			std::vector<std::string> modes;
+			modes.push_back("disabled");
+			modes.push_back("default");
+			modes.push_back("enhanced");
+			modes.push_back("instant");
+			for (auto it = modes.begin(); it != modes.end(); it++)
+				power_saver->add(*it, *it, Settings::getInstance()->getString("PowerSaverMode") == *it);
+			s->addWithLabel("POWER SAVER MODES", power_saver);
+			s->addSaveFunc([this, power_saver] {
+				if (Settings::getInstance()->getString("PowerSaverMode") != "instant" && power_saver->getSelected() == "instant"){
+					mWindow->pushGui(new GuiMsgBox(mWindow, "Setting Power Saver to Instant Mode disables Carousel transition and sets Transition Style to Instant. Would you like to continue?"
+						, "YES", [] {
+							Settings::getInstance()->setString("TransitionStyle", "instant");
+							Settings::getInstance()->setString("PowerSaverMode", "instant");
+							Settings::getInstance()->setBool("MoveCarousel", false);
+							PowerSaver::init();
+						}, "NO", nullptr)
+					);
+				} else {
+					Settings::getInstance()->setString("PowerSaverMode", power_saver->getSelected());
+					PowerSaver::init();
+				}
+			});
+			
 			// gamelists
 			auto save_gamelists = std::make_shared<SwitchComponent>(mWindow);
 			save_gamelists->setState(Settings::getInstance()->getBool("SaveGamelistsOnExit"));
@@ -366,7 +412,7 @@ GuiMenu::GuiMenu(Window* window) : GuiComponent(window), mMenu(window, "MAIN MEN
 	});
 
 	mVersion.setFont(Font::get(FONT_SIZE_SMALL));
-	mVersion.setColor(0xC6C6C6FF);
+	mVersion.setColor(0x5E5E5EFF);
 	mVersion.setText("EMULATIONSTATION V" + strToUpper(PROGRAM_VERSION_STRING));
 	mVersion.setAlignment(ALIGN_CENTER);
 

es-app/src/guis/GuiScraperMulti.cpp

@@ -3,6 +3,7 @@
 #include "Log.h"
 #include "views/ViewController.h"
 #include "Gamelist.h"
+#include "PowerSaver.h"
 
 #include "components/TextComponent.h"
 #include "components/ButtonComponent.h"
@@ -18,6 +19,7 @@ GuiScraperMulti::GuiScraperMulti(Window* window, const std::queue<ScraperSearchP
 {
 	assert(mSearchQueue.size());
 
+	PowerSaver::setState(false);
 	addChild(&mBackground);
 	addChild(&mGrid);
 
@@ -93,6 +95,7 @@ void GuiScraperMulti::doNextSearch()
 {
 	if(mSearchQueue.empty())
 	{
+		PowerSaver::setState(true);
 		finish();
 		return;
 	}

es-app/src/main.cpp

@@ -16,6 +16,7 @@
 #include "Window.h"
 #include "SystemScreenSaver.h"
 #include "EmulationStation.h"
+#include "PowerSaver.h"
 #include "Settings.h"
 #include "ScraperCmdLine.h"
 #include <sstream>
@@ -224,6 +225,7 @@ int main(int argc, char* argv[])
 
 	Window window;
 	SystemScreenSaver screensaver(&window);
+	PowerSaver::init();
 	ViewController::init(&window);
 	CollectionSystemManager::init(&window);
 	window.pushGui(ViewController::get());
@@ -293,31 +295,50 @@ int main(int argc, char* argv[])
 	SDL_JoystickEventState(SDL_ENABLE);
 
 	int lastTime = SDL_GetTicks();
+	int ps_time = SDL_GetTicks();
+	
 	bool running = true;
+	bool ps_standby = false;
+
+	// assuming screensaver timeout is not updated regularly.
+	int timeout = (unsigned int) Settings::getInstance()->getInt("ScreenSaverTime");
 
 	while(running)
 	{
 		SDL_Event event;
-		while(SDL_PollEvent(&event))
+		bool ps_standby = PowerSaver::getState() && SDL_GetTicks() - ps_time > PowerSaver::getTimeout();
+		
+		if(ps_standby ? SDL_WaitEventTimeout(&event, timeout - 100) : SDL_PollEvent(&event))
 		{
-			switch(event.type)
+			do
 			{
-				case SDL_JOYHATMOTION:
-				case SDL_JOYBUTTONDOWN:
-				case SDL_JOYBUTTONUP:
-				case SDL_KEYDOWN:
-				case SDL_KEYUP:
-				case SDL_JOYAXISMOTION:
-				case SDL_TEXTINPUT:
-				case SDL_TEXTEDITING:
-				case SDL_JOYDEVICEADDED:
-				case SDL_JOYDEVICEREMOVED:
-					InputManager::getInstance()->parseEvent(event, &window);
-					break;
-				case SDL_QUIT:
-					running = false;
-					break;
-			}
+				switch(event.type)
+				{
+					case SDL_JOYHATMOTION:
+					case SDL_JOYBUTTONDOWN:
+					case SDL_JOYBUTTONUP:
+					case SDL_KEYDOWN:
+					case SDL_KEYUP:
+					case SDL_JOYAXISMOTION:
+					case SDL_TEXTINPUT:
+					case SDL_TEXTEDITING:
+					case SDL_JOYDEVICEADDED:
+					case SDL_JOYDEVICEREMOVED:
+						InputManager::getInstance()->parseEvent(event, &window);
+						break;
+					case SDL_QUIT:
+						running = false;
+						break;
+				}
+			} while(SDL_PollEvent(&event));
+			
+			// triggered if exiting from SDL_WaitEvent
+			if (ps_standby)
+				// show as if continuing from last event
+				lastTime = SDL_GetTicks();
+			
+			// reset counter
+			ps_time = SDL_GetTicks();
 		}
 
 		if(window.isSleeping())
@@ -331,8 +352,8 @@ int main(int argc, char* argv[])
 		int deltaTime = curTime - lastTime;
 		lastTime = curTime;
 
-		// cap deltaTime at 1000
-		if(deltaTime > 1000 || deltaTime < 0)
+		// cap deltaTime
+		if(deltaTime > timeout || deltaTime < 0)
 			deltaTime = 1000;
 
 		window.update(deltaTime);

es-app/src/views/SystemView.cpp

@@ -5,6 +5,7 @@
 #include "Window.h"
 #include "views/ViewController.h"
 #include "animations/LambdaAnimation.h"
+#include "PowerSaver.h"
 #include "SystemData.h"
 #include "Settings.h"
 #include "Util.h"
@@ -213,13 +214,15 @@ void SystemView::onCursorChanged(const CursorState& state)
 	cancelAnimation(1);
 	cancelAnimation(2);
 
+	std::string transition_style = Settings::getInstance()->getString("TransitionStyle");
+	bool goFast = transition_style == "instant";
 	const float infoStartOpacity = mSystemInfo.getOpacity() / 255.f;
 
 	Animation* infoFadeOut = new LambdaAnimation(
 		[infoStartOpacity, this] (float t)
 	{
 		mSystemInfo.setOpacity((unsigned char)(lerp<float>(infoStartOpacity, 0.f, t) * 255));
-	}, (int)(infoStartOpacity * 150));
+	}, (int)(infoStartOpacity * (goFast ? 10 : 150)));
 
 	unsigned int gameCount = getSelected()->getDisplayedGameCount();
 
@@ -229,25 +232,20 @@ void SystemView::onCursorChanged(const CursorState& state)
 
 		if (!getSelected()->isGameSystem())
 			ss << "CONFIGURATION";
-		// only display a game count if there are at least 2 games
-		else if(gameCount > 1)
+		else
 			ss << gameCount << " GAMES AVAILABLE";
 
 		mSystemInfo.setText(ss.str());
 	}, false, 1);
 
-	// only display a game count if there are at least 2 games
-	if(gameCount > 1)
+	Animation* infoFadeIn = new LambdaAnimation(
+		[this](float t)
 	{
-		Animation* infoFadeIn = new LambdaAnimation(
-			[this](float t)
-		{
-			mSystemInfo.setOpacity((unsigned char)(lerp<float>(0.f, 1.f, t) * 255));
-		}, 300);
+		mSystemInfo.setOpacity((unsigned char)(lerp<float>(0.f, 1.f, t) * 255));
+	}, goFast ? 10 : 300);
 
-		// wait 600ms to fade in
-		setAnimation(infoFadeIn, 2000, nullptr, false, 2);
-	}
+	// wait 600ms to fade in
+	setAnimation(infoFadeIn, goFast ? 0 : 2000, nullptr, false, 2);
 
 	// no need to animate transition, we're not going anywhere (probably mEntries.size() == 1)
 	if(endPos == mCamOffset && endPos == mExtrasCamOffset)
@@ -255,7 +253,6 @@ void SystemView::onCursorChanged(const CursorState& state)
 
 	Animation* anim;
 	bool move_carousel = Settings::getInstance()->getBool("MoveCarousel");
-	std::string transition_style = Settings::getInstance()->getString("TransitionStyle");
 	if(transition_style == "fade")
 	{
 		float startExtrasFade = mExtrasFadeOpacity;

es-app/src/views/ViewController.cpp

@@ -2,6 +2,7 @@
 #include "Log.h"
 #include "SystemData.h"
 #include "Settings.h"
+#include "PowerSaver.h"
 
 #include "views/gamelist/BasicGameListView.h"
 #include "views/gamelist/DetailedGameListView.h"
@@ -71,6 +72,7 @@ void ViewController::goToSystemView(SystemData* system)
 
 	systemList->goToSystem(system, false);
 	mCurrentView = systemList;
+	PowerSaver::setState(true);
 
 	playViewTransition();
 }

es-core/CMakeLists.txt

@@ -11,6 +11,7 @@ set(CORE_HEADERS
 	${CMAKE_CURRENT_SOURCE_DIR}/src/InputManager.h
 	${CMAKE_CURRENT_SOURCE_DIR}/src/Log.h
 	${CMAKE_CURRENT_SOURCE_DIR}/src/platform.h
+	${CMAKE_CURRENT_SOURCE_DIR}/src/PowerSaver.h
 	${CMAKE_CURRENT_SOURCE_DIR}/src/Renderer.h
 	${CMAKE_CURRENT_SOURCE_DIR}/src/Settings.h
 	${CMAKE_CURRENT_SOURCE_DIR}/src/Sound.h
@@ -73,6 +74,7 @@ set(CORE_SOURCES
 	${CMAKE_CURRENT_SOURCE_DIR}/src/InputManager.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/src/Log.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/src/platform.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/src/PowerSaver.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/src/Renderer_draw_gl.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/src/Renderer_init_sdlgl.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/src/Settings.cpp

es-core/src/PowerSaver.cpp

@@ -0,0 +1,44 @@
+#include "PowerSaver.h"
+#include "Settings.h"
+#include <string.h>
+
+bool PowerSaver::mState = true;
+int PowerSaver::mTimeout = PowerSaver::ps_default;
+
+void PowerSaver::init(bool state)
+{
+	setState(true);
+	updateTimeout();
+}
+
+int PowerSaver::getTimeout()
+{
+	return mTimeout;
+}
+
+void PowerSaver::updateTimeout()
+{
+	std::string mode = Settings::getInstance()->getString("PowerSaverMode");
+	
+	if (mode == "disabled") {
+		mTimeout = ps_disabled;
+	} else if (mode == "instant") {
+		mTimeout = ps_instant;
+	} else if (mode == "enhanced") {
+		mTimeout = ps_enhanced;
+	} else { // default
+		mTimeout = ps_default;
+	}
+}
+
+bool PowerSaver::getState()
+{
+	return mState;
+}
+
+void PowerSaver::setState(bool state)
+{
+	bool ps_enabled = Settings::getInstance()->getString("PowerSaverMode") != "disabled";
+	mState = ps_enabled && state;
+}
+

es-core/src/PowerSaver.h

@@ -0,0 +1,17 @@
+class PowerSaver
+{
+public:
+	enum ps_state : int { ps_disabled = -1, ps_instant = 200, ps_enhanced = 3000, ps_default = 10000 };
+	
+	static void init(bool state = true);
+	
+	static int getTimeout();
+	static void updateTimeout();
+
+	static bool getState();
+	static void setState(bool state);
+	
+private:
+	static bool mState;
+	static int mTimeout;
+};

es-core/src/Settings.cpp

@@ -81,6 +81,7 @@ void Settings::setDefaults()
 	mBoolMap["ScreenSaverControls"] = true;
 	mStringMap["ScreenSaverGameInfo"] = "never";
 	mBoolMap["StretchVideoOnScreenSaver"] = false;
+	mStringMap["PowerSaverMode"] = "default";
 
 	// This setting only applies to raspberry pi but set it for all platforms so
 	// we don't get a warning if we encounter it on a different platform

es-core/src/components/ScrollableContainer.cpp

@@ -2,8 +2,8 @@
 #include "Renderer.h"
 #include "Log.h"
 
-#define AUTO_SCROLL_RESET_DELAY 10000 // ms to reset to top after we reach the bottom
-#define AUTO_SCROLL_DELAY 8000 // ms to wait before we start to scroll
+#define AUTO_SCROLL_RESET_DELAY 3000 // ms to reset to top after we reach the bottom
+#define AUTO_SCROLL_DELAY 1000 // ms to wait before we start to scroll
 #define AUTO_SCROLL_SPEED 50 // ms between scrolls
 
 ScrollableContainer::ScrollableContainer(Window* window) : GuiComponent(window), 

es-core/src/components/VideoVlcComponent.cpp

@@ -3,11 +3,13 @@
 #include "ThemeData.h"
 #include "Util.h"
 #include "Settings.h"
+#include "PowerSaver.h"
+
 #ifdef WIN32
 #include <codecvt>
 #endif
 
-libvlc_instance_t*		VideoVlcComponent::mVLC = NULL;
+libvlc_instance_t* VideoVlcComponent::mVLC = NULL;
 
 // VLC prepares to render a video frame.
 static void *lock(void *data, void **p_pixels) {
@@ -289,7 +291,7 @@ void VideoVlcComponent::startVideo()
 			mMedia = libvlc_media_new_path(mVLC, path.c_str());
 			if (mMedia)
 			{
-				unsigned 	track_count;
+				unsigned track_count;
 				// Get the media metadata so we can find the aspect ratio
 				libvlc_media_parse(mMedia);
 				libvlc_media_track_t** tracks;
@@ -328,6 +330,7 @@ void VideoVlcComponent::startVideo()
 						}
 					}
 #endif
+					PowerSaver::setState(false);
 					setupContext();
 
 					// Setup the media player
@@ -358,6 +361,7 @@ void VideoVlcComponent::stopVideo()
 	// Release the media player so it stops calling back to us
 	if (mMediaPlayer)
 	{
+		PowerSaver::setState(true);
 		libvlc_media_player_stop(mMediaPlayer);
 		libvlc_media_player_release(mMediaPlayer);
 		libvlc_media_release(mMedia);