mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2023-10-10 13:36:59 +02:00
Fix for Philips Hue flickering when switchOffOnBlack is set true (#668)
* Improved switch off on black feature. * Changed "isnan" to "std::isnan" Former-commit-id: 5db2b97674661e4e19f796a91dd443a501268e27
This commit is contained in:
ntim
brindosch
parent
6f43fe1196
commit
03cee33784
@ -1,342 +1,342 @@
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// Local-Hyperion includes
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#include "LedDevicePhilipsHue.h"
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// jsoncpp includes
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#include <json/json.h>
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// qt includes
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#include <QtCore/qmath.h>
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#include <QEventLoop>
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#include <QNetworkReply>
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#include <stdexcept>
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#include <set>
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bool operator ==(CiColor p1, CiColor p2) {
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return (p1.x == p2.x) && (p1.y == p2.y) && (p1.bri == p2.bri);
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}
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bool operator !=(CiColor p1, CiColor p2) {
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return !(p1 == p2);
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}
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PhilipsHueLight::PhilipsHueLight(unsigned int id, QString originalState, QString modelId) :
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id(id), originalState(originalState) {
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// Hue system model ids (http://www.developers.meethue.com/documentation/supported-lights).
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// Light strips, color iris, ...
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const std::set<QString> GAMUT_A_MODEL_IDS = { "LLC001", "LLC005", "LLC006", "LLC007", "LLC010", "LLC011", "LLC012",
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"LLC013", "LLC014", "LST001" };
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// Hue bulbs, spots, ...
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const std::set<QString> GAMUT_B_MODEL_IDS = { "LCT001", "LCT002", "LCT003", "LCT007", "LLM001" };
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// Hue Lightstrip plus, go ...
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const std::set<QString> GAMUT_C_MODEL_IDS = { "LLC020", "LST002" };
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// Find id in the sets and set the appropiate color space.
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if (GAMUT_A_MODEL_IDS.find(modelId) != GAMUT_A_MODEL_IDS.end()) {
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colorSpace.red = {0.703f, 0.296f};
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colorSpace.green = {0.2151f, 0.7106f};
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colorSpace.blue = {0.138f, 0.08f};
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} else if (GAMUT_B_MODEL_IDS.find(modelId) != GAMUT_B_MODEL_IDS.end()) {
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colorSpace.red = {0.675f, 0.322f};
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colorSpace.green = {0.4091f, 0.518f};
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colorSpace.blue = {0.167f, 0.04f};
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} else if (GAMUT_C_MODEL_IDS.find(modelId) != GAMUT_B_MODEL_IDS.end()) {
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colorSpace.red = {0.675f, 0.322f};
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colorSpace.green = {0.2151f, 0.7106f};
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colorSpace.blue = {0.167f, 0.04f};
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} else {
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colorSpace.red = {1.0f, 0.0f};
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colorSpace.green = {0.0f, 1.0f};
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colorSpace.blue = {0.0f, 0.0f};
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}
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// Initialize black color.
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black = rgbToCiColor(0.0f, 0.0f, 0.0f);
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// Initialize color with black
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color = {black.x, black.y, black.bri};
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}
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float PhilipsHueLight::crossProduct(CiColor p1, CiColor p2) {
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return p1.x * p2.y - p1.y * p2.x;
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}
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bool PhilipsHueLight::isPointInLampsReach(CiColor p) {
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CiColor v1 = { colorSpace.green.x - colorSpace.red.x, colorSpace.green.y - colorSpace.red.y };
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CiColor v2 = { colorSpace.blue.x - colorSpace.red.x, colorSpace.blue.y - colorSpace.red.y };
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CiColor q = { p.x - colorSpace.red.x, p.y - colorSpace.red.y };
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float s = crossProduct(q, v2) / crossProduct(v1, v2);
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float t = crossProduct(v1, q) / crossProduct(v1, v2);
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if ((s >= 0.0f) && (t >= 0.0f) && (s + t <= 1.0f)) {
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return true;
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}
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return false;
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}
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CiColor PhilipsHueLight::getClosestPointToPoint(CiColor a, CiColor b, CiColor p) {
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CiColor AP = { p.x - a.x, p.y - a.y };
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CiColor AB = { b.x - a.x, b.y - a.y };
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float ab2 = AB.x * AB.x + AB.y * AB.y;
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float ap_ab = AP.x * AB.x + AP.y * AB.y;
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float t = ap_ab / ab2;
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if (t < 0.0f) {
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t = 0.0f;
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} else if (t > 1.0f) {
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t = 1.0f;
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}
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return {a.x + AB.x * t, a.y + AB.y * t};
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}
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float PhilipsHueLight::getDistanceBetweenTwoPoints(CiColor p1, CiColor p2) {
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// Horizontal difference.
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float dx = p1.x - p2.x;
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// Vertical difference.
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float dy = p1.y - p2.y;
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// Absolute value.
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return sqrt(dx * dx + dy * dy);
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}
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CiColor PhilipsHueLight::rgbToCiColor(float red, float green, float blue) {
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// Apply gamma correction.
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float r = (red > 0.04045f) ? powf((red + 0.055f) / (1.0f + 0.055f), 2.4f) : (red / 12.92f);
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float g = (green > 0.04045f) ? powf((green + 0.055f) / (1.0f + 0.055f), 2.4f) : (green / 12.92f);
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float b = (blue > 0.04045f) ? powf((blue + 0.055f) / (1.0f + 0.055f), 2.4f) : (blue / 12.92f);
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// Convert to XYZ space.
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float X = r * 0.649926f + g * 0.103455f + b * 0.197109f;
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float Y = r * 0.234327f + g * 0.743075f + b * 0.022598f;
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float Z = r * 0.0000000f + g * 0.053077f + b * 1.035763f;
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// Convert to x,y space.
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float cx = X / (X + Y + Z);
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float cy = Y / (X + Y + Z);
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if (std::isnan(cx)) {
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cx = 0.0f;
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}
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if (std::isnan(cy)) {
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cy = 0.0f;
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}
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// Brightness is simply Y in the XYZ space.
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CiColor xy = { cx, cy, Y };
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// Check if the given XY value is within the color reach of our lamps.
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if (!isPointInLampsReach(xy)) {
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// It seems the color is out of reach let's find the closes color we can produce with our lamp and send this XY value out.
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CiColor pAB = getClosestPointToPoint(colorSpace.red, colorSpace.green, xy);
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CiColor pAC = getClosestPointToPoint(colorSpace.blue, colorSpace.red, xy);
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CiColor pBC = getClosestPointToPoint(colorSpace.green, colorSpace.blue, xy);
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// Get the distances per point and see which point is closer to our Point.
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float dAB = getDistanceBetweenTwoPoints(xy, pAB);
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float dAC = getDistanceBetweenTwoPoints(xy, pAC);
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float dBC = getDistanceBetweenTwoPoints(xy, pBC);
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float lowest = dAB;
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CiColor closestPoint = pAB;
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if (dAC < lowest) {
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lowest = dAC;
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closestPoint = pAC;
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}
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if (dBC < lowest) {
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lowest = dBC;
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closestPoint = pBC;
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}
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// Change the xy value to a value which is within the reach of the lamp.
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xy.x = closestPoint.x;
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xy.y = closestPoint.y;
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}
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return xy;
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}
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LedDevicePhilipsHue::LedDevicePhilipsHue(const std::string& output, const std::string& username, bool switchOffOnBlack,
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int transitiontime, std::vector<unsigned int> lightIds) :
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host(output.c_str()), username(username.c_str()), switchOffOnBlack(switchOffOnBlack), transitiontime(
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transitiontime), lightIds(lightIds) {
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manager = new QNetworkAccessManager();
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timer.setInterval(3000);
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timer.setSingleShot(true);
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connect(&timer, SIGNAL(timeout()), this, SLOT(restoreStates()));
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}
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LedDevicePhilipsHue::~LedDevicePhilipsHue() {
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delete manager;
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}
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int LedDevicePhilipsHue::write(const std::vector<ColorRgb> & ledValues) {
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// Save light states if not done before.
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if (!areStatesSaved()) {
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saveStates((unsigned int) ledValues.size());
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switchOn((unsigned int) ledValues.size());
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}
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// If there are less states saved than colors given, then maybe something went wrong before.
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if (lights.size() != ledValues.size()) {
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restoreStates();
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return 0;
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}
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// Iterate through colors and set light states.
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unsigned int idx = 0;
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for (const ColorRgb& color : ledValues) {
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// Get lamp.
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PhilipsHueLight& lamp = lights.at(idx);
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// Scale colors from [0, 255] to [0, 1] and convert to xy space.
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CiColor xy = lamp.rgbToCiColor(color.red / 255.0f, color.green / 255.0f, color.blue / 255.0f);
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// Write color if color has been changed.
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if (xy != lamp.color) {
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// Switch on if the lamp has been previously switched off.
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if (switchOffOnBlack && lamp.color == lamp.black) {
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put(getStateRoute(lamp.id), QString("{\"on\": true}"));
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}
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// Send adjust color and brightness command in JSON format.
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// We have to set the transition time each time.
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put(getStateRoute(lamp.id),
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QString("{\"xy\": [%1, %2], \"bri\": %3, \"transitiontime\": %4}").arg(xy.x).arg(xy.y).arg(
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qRound(xy.bri * 255.0f)).arg(transitiontime));
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}
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// Switch lamp off if switchOffOnBlack is enabled and the lamp is currently on.
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if (switchOffOnBlack) {
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// From black to a color.
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if (lamp.color == lamp.black && xy != lamp.black) {
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put(getStateRoute(lamp.id), QString("{\"on\": true}"));
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}
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// From a color to black.
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else if (lamp.color != lamp.black && xy == lamp.black) {
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put(getStateRoute(lamp.id), QString("{\"on\": false}"));
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}
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}
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// Remember last color.
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lamp.color = xy;
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// Next light id.
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idx++;
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}
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timer.start();
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return 0;
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}
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int LedDevicePhilipsHue::switchOff() {
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timer.stop();
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// If light states have been saved before, ...
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if (areStatesSaved()) {
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// ... restore them.
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restoreStates();
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}
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return 0;
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}
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void LedDevicePhilipsHue::put(QString route, QString content) {
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QString url = getUrl(route);
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// Perfrom request
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QNetworkRequest request(url);
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QNetworkReply* reply = manager->put(request, content.toLatin1());
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// Connect finished signal to quit slot of the loop.
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QEventLoop loop;
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loop.connect(reply, SIGNAL(finished()), SLOT(quit()));
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// Go into the loop until the request is finished.
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loop.exec();
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// Free space.
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reply->deleteLater();
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}
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QByteArray LedDevicePhilipsHue::get(QString route) {
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QString url = getUrl(route);
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// Perfrom request
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QNetworkRequest request(url);
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QNetworkReply* reply = manager->get(request);
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// Connect requestFinished signal to quit slot of the loop.
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QEventLoop loop;
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loop.connect(reply, SIGNAL(finished()), SLOT(quit()));
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// Go into the loop until the request is finished.
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loop.exec();
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// Read all data of the response.
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QByteArray response = reply->readAll();
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// Free space.
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reply->deleteLater();
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// Return response
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return response;
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}
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QString LedDevicePhilipsHue::getStateRoute(unsigned int lightId) {
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return QString("lights/%1/state").arg(lightId);
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}
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QString LedDevicePhilipsHue::getRoute(unsigned int lightId) {
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return QString("lights/%1").arg(lightId);
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}
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QString LedDevicePhilipsHue::getUrl(QString route) {
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return QString("http://%1/api/%2/%3").arg(host).arg(username).arg(route);
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}
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void LedDevicePhilipsHue::saveStates(unsigned int nLights) {
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// Clear saved lamps.
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lights.clear();
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// Use json parser to parse reponse.
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Json::Reader reader;
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Json::FastWriter writer;
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// Read light ids if none have been supplied by the user.
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if (lightIds.size() != nLights) {
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lightIds.clear();
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//
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QByteArray response = get("lights");
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Json::Value json;
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if (!reader.parse(QString(response).toStdString(), json)) {
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throw std::runtime_error(("No lights found at " + getUrl("lights")).toStdString());
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}
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// Loop over all children.
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for (Json::ValueIterator it = json.begin(); it != json.end() && lightIds.size() < nLights; it++) {
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int lightId = atoi(it.key().asCString());
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lightIds.push_back(lightId);
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std::cout << "LedDevicePhilipsHue::saveStates(nLights=" << nLights << "): found light with id " << lightId
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<< "." << std::endl;
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}
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// Check if we found enough lights.
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if (lightIds.size() != nLights) {
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throw std::runtime_error(("Not enough lights found at " + getUrl("lights")).toStdString());
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}
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}
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// Iterate lights.
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for (unsigned int i = 0; i < nLights; i++) {
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// Read the response.
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QByteArray response = get(getRoute(lightIds.at(i)));
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// Parse JSON.
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Json::Value json;
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if (!reader.parse(QString(response).toStdString(), json)) {
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// Error occured, break loop.
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std::cerr << "LedDevicePhilipsHue::saveStates(nLights=" << nLights << "): got invalid response from light "
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<< getUrl(getRoute(lightIds.at(i))).toStdString() << "." << std::endl;
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break;
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}
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// Get state object values which are subject to change.
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Json::Value state(Json::objectValue);
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if (!json.isMember("state")) {
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std::cerr << "LedDevicePhilipsHue::saveStates(nLights=" << nLights << "): got no state for light from "
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<< getUrl(getRoute(lightIds.at(i))).toStdString() << std::endl;
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break;
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}
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if (!json["state"].isMember("on")) {
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std::cerr << "LedDevicePhilipsHue::saveStates(nLights=" << nLights << "): got no valid state from light "
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<< getUrl(getRoute(lightIds.at(i))).toStdString() << std::endl;
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break;
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}
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state["on"] = json["state"]["on"];
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if (json["state"]["on"] == true) {
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state["xy"] = json["state"]["xy"];
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state["bri"] = json["state"]["bri"];
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}
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// Determine the model id.
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QString modelId = QString(writer.write(json["modelid"]).c_str()).trimmed().replace("\"", "");
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QString originalState = QString(writer.write(state).c_str()).trimmed();
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// Save state object.
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lights.push_back(PhilipsHueLight(lightIds.at(i), originalState, modelId));
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}
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}
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void LedDevicePhilipsHue::switchOn(unsigned int nLights) {
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for (PhilipsHueLight light : lights) {
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put(getStateRoute(light.id), "{\"on\": true}");
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}
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}
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void LedDevicePhilipsHue::restoreStates() {
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for (PhilipsHueLight light : lights) {
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put(getStateRoute(light.id), light.originalState);
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}
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// Clear saved light states.
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lights.clear();
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}
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bool LedDevicePhilipsHue::areStatesSaved() {
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return !lights.empty();
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}
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// Local-Hyperion includes
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#include "LedDevicePhilipsHue.h"
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// jsoncpp includes
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#include <json/json.h>
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// qt includes
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#include <QtCore/qmath.h>
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#include <QEventLoop>
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#include <QNetworkReply>
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#include <stdexcept>
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#include <set>
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bool operator ==(CiColor p1, CiColor p2) {
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return (p1.x == p2.x) && (p1.y == p2.y) && (p1.bri == p2.bri);
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}
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bool operator !=(CiColor p1, CiColor p2) {
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return !(p1 == p2);
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}
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PhilipsHueLight::PhilipsHueLight(unsigned int id, QString originalState, QString modelId) :
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id(id), originalState(originalState) {
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// Hue system model ids (http://www.developers.meethue.com/documentation/supported-lights).
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// Light strips, color iris, ...
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const std::set<QString> GAMUT_A_MODEL_IDS = { "LLC001", "LLC005", "LLC006", "LLC007", "LLC010", "LLC011", "LLC012",
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"LLC013", "LLC014", "LST001" };
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// Hue bulbs, spots, ...
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const std::set<QString> GAMUT_B_MODEL_IDS = { "LCT001", "LCT002", "LCT003", "LCT007", "LLM001" };
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// Hue Lightstrip plus, go ...
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const std::set<QString> GAMUT_C_MODEL_IDS = { "LLC020", "LST002" };
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// Find id in the sets and set the appropiate color space.
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if (GAMUT_A_MODEL_IDS.find(modelId) != GAMUT_A_MODEL_IDS.end()) {
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colorSpace.red = {0.703f, 0.296f};
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colorSpace.green = {0.2151f, 0.7106f};
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colorSpace.blue = {0.138f, 0.08f};
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} else if (GAMUT_B_MODEL_IDS.find(modelId) != GAMUT_B_MODEL_IDS.end()) {
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colorSpace.red = {0.675f, 0.322f};
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colorSpace.green = {0.4091f, 0.518f};
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colorSpace.blue = {0.167f, 0.04f};
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} else if (GAMUT_C_MODEL_IDS.find(modelId) != GAMUT_B_MODEL_IDS.end()) {
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colorSpace.red = {0.675f, 0.322f};
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colorSpace.green = {0.2151f, 0.7106f};
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colorSpace.blue = {0.167f, 0.04f};
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} else {
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colorSpace.red = {1.0f, 0.0f};
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colorSpace.green = {0.0f, 1.0f};
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colorSpace.blue = {0.0f, 0.0f};
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}
|
||||
// Initialize black color.
|
||||
black = rgbToCiColor(0.0f, 0.0f, 0.0f);
|
||||
// Initialize color with black
|
||||
color = {black.x, black.y, black.bri};
|
||||
}
|
||||
|
||||
float PhilipsHueLight::crossProduct(CiColor p1, CiColor p2) {
|
||||
return p1.x * p2.y - p1.y * p2.x;
|
||||
}
|
||||
|
||||
bool PhilipsHueLight::isPointInLampsReach(CiColor p) {
|
||||
CiColor v1 = { colorSpace.green.x - colorSpace.red.x, colorSpace.green.y - colorSpace.red.y };
|
||||
CiColor v2 = { colorSpace.blue.x - colorSpace.red.x, colorSpace.blue.y - colorSpace.red.y };
|
||||
CiColor q = { p.x - colorSpace.red.x, p.y - colorSpace.red.y };
|
||||
float s = crossProduct(q, v2) / crossProduct(v1, v2);
|
||||
float t = crossProduct(v1, q) / crossProduct(v1, v2);
|
||||
if ((s >= 0.0f) && (t >= 0.0f) && (s + t <= 1.0f)) {
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
CiColor PhilipsHueLight::getClosestPointToPoint(CiColor a, CiColor b, CiColor p) {
|
||||
CiColor AP = { p.x - a.x, p.y - a.y };
|
||||
CiColor AB = { b.x - a.x, b.y - a.y };
|
||||
float ab2 = AB.x * AB.x + AB.y * AB.y;
|
||||
float ap_ab = AP.x * AB.x + AP.y * AB.y;
|
||||
float t = ap_ab / ab2;
|
||||
if (t < 0.0f) {
|
||||
t = 0.0f;
|
||||
} else if (t > 1.0f) {
|
||||
t = 1.0f;
|
||||
}
|
||||
return {a.x + AB.x * t, a.y + AB.y * t};
|
||||
}
|
||||
|
||||
float PhilipsHueLight::getDistanceBetweenTwoPoints(CiColor p1, CiColor p2) {
|
||||
// Horizontal difference.
|
||||
float dx = p1.x - p2.x;
|
||||
// Vertical difference.
|
||||
float dy = p1.y - p2.y;
|
||||
// Absolute value.
|
||||
return sqrt(dx * dx + dy * dy);
|
||||
}
|
||||
|
||||
CiColor PhilipsHueLight::rgbToCiColor(float red, float green, float blue) {
|
||||
// Apply gamma correction.
|
||||
float r = (red > 0.04045f) ? powf((red + 0.055f) / (1.0f + 0.055f), 2.4f) : (red / 12.92f);
|
||||
float g = (green > 0.04045f) ? powf((green + 0.055f) / (1.0f + 0.055f), 2.4f) : (green / 12.92f);
|
||||
float b = (blue > 0.04045f) ? powf((blue + 0.055f) / (1.0f + 0.055f), 2.4f) : (blue / 12.92f);
|
||||
// Convert to XYZ space.
|
||||
float X = r * 0.649926f + g * 0.103455f + b * 0.197109f;
|
||||
float Y = r * 0.234327f + g * 0.743075f + b * 0.022598f;
|
||||
float Z = r * 0.0000000f + g * 0.053077f + b * 1.035763f;
|
||||
// Convert to x,y space.
|
||||
float cx = X / (X + Y + Z);
|
||||
float cy = Y / (X + Y + Z);
|
||||
if (std::isnan(cx)) {
|
||||
cx = 0.0f;
|
||||
}
|
||||
if (std::isnan(cy)) {
|
||||
cy = 0.0f;
|
||||
}
|
||||
// Brightness is simply Y in the XYZ space.
|
||||
CiColor xy = { cx, cy, Y };
|
||||
// Check if the given XY value is within the color reach of our lamps.
|
||||
if (!isPointInLampsReach(xy)) {
|
||||
// It seems the color is out of reach let's find the closes color we can produce with our lamp and send this XY value out.
|
||||
CiColor pAB = getClosestPointToPoint(colorSpace.red, colorSpace.green, xy);
|
||||
CiColor pAC = getClosestPointToPoint(colorSpace.blue, colorSpace.red, xy);
|
||||
CiColor pBC = getClosestPointToPoint(colorSpace.green, colorSpace.blue, xy);
|
||||
// Get the distances per point and see which point is closer to our Point.
|
||||
float dAB = getDistanceBetweenTwoPoints(xy, pAB);
|
||||
float dAC = getDistanceBetweenTwoPoints(xy, pAC);
|
||||
float dBC = getDistanceBetweenTwoPoints(xy, pBC);
|
||||
float lowest = dAB;
|
||||
CiColor closestPoint = pAB;
|
||||
if (dAC < lowest) {
|
||||
lowest = dAC;
|
||||
closestPoint = pAC;
|
||||
}
|
||||
if (dBC < lowest) {
|
||||
lowest = dBC;
|
||||
closestPoint = pBC;
|
||||
}
|
||||
// Change the xy value to a value which is within the reach of the lamp.
|
||||
xy.x = closestPoint.x;
|
||||
xy.y = closestPoint.y;
|
||||
}
|
||||
return xy;
|
||||
}
|
||||
|
||||
LedDevicePhilipsHue::LedDevicePhilipsHue(const std::string& output, const std::string& username, bool switchOffOnBlack,
|
||||
int transitiontime, std::vector<unsigned int> lightIds) :
|
||||
host(output.c_str()), username(username.c_str()), switchOffOnBlack(switchOffOnBlack), transitiontime(
|
||||
transitiontime), lightIds(lightIds) {
|
||||
manager = new QNetworkAccessManager();
|
||||
timer.setInterval(3000);
|
||||
timer.setSingleShot(true);
|
||||
connect(&timer, SIGNAL(timeout()), this, SLOT(restoreStates()));
|
||||
}
|
||||
|
||||
LedDevicePhilipsHue::~LedDevicePhilipsHue() {
|
||||
delete manager;
|
||||
}
|
||||
|
||||
int LedDevicePhilipsHue::write(const std::vector<ColorRgb> & ledValues) {
|
||||
// Save light states if not done before.
|
||||
if (!areStatesSaved()) {
|
||||
saveStates((unsigned int) ledValues.size());
|
||||
switchOn((unsigned int) ledValues.size());
|
||||
}
|
||||
// If there are less states saved than colors given, then maybe something went wrong before.
|
||||
if (lights.size() != ledValues.size()) {
|
||||
restoreStates();
|
||||
return 0;
|
||||
}
|
||||
// Iterate through colors and set light states.
|
||||
unsigned int idx = 0;
|
||||
for (const ColorRgb& color : ledValues) {
|
||||
// Get lamp.
|
||||
PhilipsHueLight& lamp = lights.at(idx);
|
||||
// Scale colors from [0, 255] to [0, 1] and convert to xy space.
|
||||
CiColor xy = lamp.rgbToCiColor(color.red / 255.0f, color.green / 255.0f, color.blue / 255.0f);
|
||||
// Write color if color has been changed.
|
||||
if (xy != lamp.color) {
|
||||
// From a color to black.
|
||||
if (switchOffOnBlack && lamp.color != lamp.black && xy == lamp.black) {
|
||||
put(getStateRoute(lamp.id), QString("{\"on\": false}"));
|
||||
}
|
||||
// From black to a color
|
||||
else if (switchOffOnBlack && lamp.color == lamp.black && xy != lamp.black) {
|
||||
// Send adjust color and brightness command in JSON format.
|
||||
// We have to set the transition time each time.
|
||||
// Send also command to switch the lamp on.
|
||||
put(getStateRoute(lamp.id),
|
||||
QString("{\"on\": true, \"xy\": [%1, %2], \"bri\": %3, \"transitiontime\": %4}").arg(xy.x).arg(
|
||||
xy.y).arg(qRound(xy.bri * 255.0f)).arg(transitiontime));
|
||||
}
|
||||
// Normal color change.
|
||||
else {
|
||||
// Send adjust color and brightness command in JSON format.
|
||||
// We have to set the transition time each time.
|
||||
put(getStateRoute(lamp.id),
|
||||
QString("{\"xy\": [%1, %2], \"bri\": %3, \"transitiontime\": %4}").arg(xy.x).arg(xy.y).arg(
|
||||
qRound(xy.bri * 255.0f)).arg(transitiontime));
|
||||
}
|
||||
}
|
||||
// Remember last color.
|
||||
lamp.color = xy;
|
||||
// Next light id.
|
||||
idx++;
|
||||
}
|
||||
timer.start();
|
||||
return 0;
|
||||
}
|
||||
|
||||
int LedDevicePhilipsHue::switchOff() {
|
||||
timer.stop();
|
||||
// If light states have been saved before, ...
|
||||
if (areStatesSaved()) {
|
||||
// ... restore them.
|
||||
restoreStates();
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
void LedDevicePhilipsHue::put(QString route, QString content) {
|
||||
QString url = getUrl(route);
|
||||
// Perfrom request
|
||||
QNetworkRequest request(url);
|
||||
QNetworkReply* reply = manager->put(request, content.toLatin1());
|
||||
// Connect finished signal to quit slot of the loop.
|
||||
QEventLoop loop;
|
||||
loop.connect(reply, SIGNAL(finished()), SLOT(quit()));
|
||||
// Go into the loop until the request is finished.
|
||||
loop.exec();
|
||||
// Free space.
|
||||
reply->deleteLater();
|
||||
}
|
||||
|
||||
QByteArray LedDevicePhilipsHue::get(QString route) {
|
||||
QString url = getUrl(route);
|
||||
// Perfrom request
|
||||
QNetworkRequest request(url);
|
||||
QNetworkReply* reply = manager->get(request);
|
||||
// Connect requestFinished signal to quit slot of the loop.
|
||||
QEventLoop loop;
|
||||
loop.connect(reply, SIGNAL(finished()), SLOT(quit()));
|
||||
// Go into the loop until the request is finished.
|
||||
loop.exec();
|
||||
// Read all data of the response.
|
||||
QByteArray response = reply->readAll();
|
||||
// Free space.
|
||||
reply->deleteLater();
|
||||
// Return response
|
||||
return response;
|
||||
}
|
||||
|
||||
QString LedDevicePhilipsHue::getStateRoute(unsigned int lightId) {
|
||||
return QString("lights/%1/state").arg(lightId);
|
||||
}
|
||||
|
||||
QString LedDevicePhilipsHue::getRoute(unsigned int lightId) {
|
||||
return QString("lights/%1").arg(lightId);
|
||||
}
|
||||
|
||||
QString LedDevicePhilipsHue::getUrl(QString route) {
|
||||
return QString("http://%1/api/%2/%3").arg(host).arg(username).arg(route);
|
||||
}
|
||||
|
||||
void LedDevicePhilipsHue::saveStates(unsigned int nLights) {
|
||||
// Clear saved lamps.
|
||||
lights.clear();
|
||||
// Use json parser to parse reponse.
|
||||
Json::Reader reader;
|
||||
Json::FastWriter writer;
|
||||
// Read light ids if none have been supplied by the user.
|
||||
if (lightIds.size() != nLights) {
|
||||
lightIds.clear();
|
||||
//
|
||||
QByteArray response = get("lights");
|
||||
Json::Value json;
|
||||
if (!reader.parse(QString(response).toStdString(), json)) {
|
||||
throw std::runtime_error(("No lights found at " + getUrl("lights")).toStdString());
|
||||
}
|
||||
// Loop over all children.
|
||||
for (Json::ValueIterator it = json.begin(); it != json.end() && lightIds.size() < nLights; it++) {
|
||||
int lightId = atoi(it.key().asCString());
|
||||
lightIds.push_back(lightId);
|
||||
std::cout << "LedDevicePhilipsHue::saveStates(nLights=" << nLights << "): found light with id " << lightId
|
||||
<< "." << std::endl;
|
||||
}
|
||||
// Check if we found enough lights.
|
||||
if (lightIds.size() != nLights) {
|
||||
throw std::runtime_error(("Not enough lights found at " + getUrl("lights")).toStdString());
|
||||
}
|
||||
}
|
||||
// Iterate lights.
|
||||
for (unsigned int i = 0; i < nLights; i++) {
|
||||
// Read the response.
|
||||
QByteArray response = get(getRoute(lightIds.at(i)));
|
||||
// Parse JSON.
|
||||
Json::Value json;
|
||||
if (!reader.parse(QString(response).toStdString(), json)) {
|
||||
// Error occured, break loop.
|
||||
std::cerr << "LedDevicePhilipsHue::saveStates(nLights=" << nLights << "): got invalid response from light "
|
||||
<< getUrl(getRoute(lightIds.at(i))).toStdString() << "." << std::endl;
|
||||
break;
|
||||
}
|
||||
// Get state object values which are subject to change.
|
||||
Json::Value state(Json::objectValue);
|
||||
if (!json.isMember("state")) {
|
||||
std::cerr << "LedDevicePhilipsHue::saveStates(nLights=" << nLights << "): got no state for light from "
|
||||
<< getUrl(getRoute(lightIds.at(i))).toStdString() << std::endl;
|
||||
break;
|
||||
}
|
||||
if (!json["state"].isMember("on")) {
|
||||
std::cerr << "LedDevicePhilipsHue::saveStates(nLights=" << nLights << "): got no valid state from light "
|
||||
<< getUrl(getRoute(lightIds.at(i))).toStdString() << std::endl;
|
||||
break;
|
||||
}
|
||||
state["on"] = json["state"]["on"];
|
||||
if (json["state"]["on"] == true) {
|
||||
state["xy"] = json["state"]["xy"];
|
||||
state["bri"] = json["state"]["bri"];
|
||||
}
|
||||
// Determine the model id.
|
||||
QString modelId = QString(writer.write(json["modelid"]).c_str()).trimmed().replace("\"", "");
|
||||
QString originalState = QString(writer.write(state).c_str()).trimmed();
|
||||
// Save state object.
|
||||
lights.push_back(PhilipsHueLight(lightIds.at(i), originalState, modelId));
|
||||
}
|
||||
}
|
||||
|
||||
void LedDevicePhilipsHue::switchOn(unsigned int nLights) {
|
||||
for (PhilipsHueLight light : lights) {
|
||||
put(getStateRoute(light.id), "{\"on\": true}");
|
||||
}
|
||||
}
|
||||
|
||||
void LedDevicePhilipsHue::restoreStates() {
|
||||
for (PhilipsHueLight light : lights) {
|
||||
put(getStateRoute(light.id), light.originalState);
|
||||
}
|
||||
// Clear saved light states.
|
||||
lights.clear();
|
||||
}
|
||||
|
||||
bool LedDevicePhilipsHue::areStatesSaved() {
|
||||
return !lights.empty();
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user