Allow to switch animations via HTTP

include/Animation/AnimationController.h

@@ -7,9 +7,18 @@
 class AnimationController
 {
     public:
+        enum DefaultAnimation {
+            FIRE_HOT = 0,
+            FIRE_COLD = 1,
+
+            NUM_DEFAULT_ANIMATIONS
+        };
+
         AnimationController(Fader *fader);
 
         void changeAnimation(std::unique_ptr<Animation> anim, bool transition = true);
+        void changeAnimation(DefaultAnimation animation_id, bool transition = true);
+
         void loop(void);
 
         void restart(void);

include/WebServer.h

@@ -7,6 +7,7 @@
 #include "ChallengeResponse.h"
 
 class Fader;
+class AnimationController;
 
 class WebServer
 {
@@ -14,6 +15,7 @@ class WebServer
         bool start(void);
 
         void setFader(Fader *fader) { m_fader = fader;}
+        void setAnimationController(AnimationController *controller) { m_animController = controller;}
 
         static WebServer &instance(void)
         {
@@ -26,18 +28,20 @@ class WebServer
         ChallengeResponse m_cr;
 
         Fader *m_fader;
+        AnimationController *m_animController;
 
         WebServer(void);
 
         static void serverTask(void *arg);
 
-        static void serveFile(String filename, httpsserver::HTTPResponse *res);
+        static bool serveFile(String filename, httpsserver::HTTPResponse *res);
 
         // handlers
         static void handleRoot(httpsserver::HTTPRequest *req, httpsserver::HTTPResponse *res);
         static void handleColor(httpsserver::HTTPRequest *req, httpsserver::HTTPResponse *res);
+        static void handleSetAnim(httpsserver::HTTPRequest *req, httpsserver::HTTPResponse *res);
         static void handleChallenge(httpsserver::HTTPRequest *req, httpsserver::HTTPResponse *res);
         static void handleAuthTest(httpsserver::HTTPRequest *req, httpsserver::HTTPResponse *res);
         static void handleUpdate(httpsserver::HTTPRequest *req, httpsserver::HTTPResponse *res);
-        static void handle404(httpsserver::HTTPRequest *req, httpsserver::HTTPResponse *res);
-};
+        static void handleStatic(httpsserver::HTTPRequest *req, httpsserver::HTTPResponse *res);
+};

src/Animation/AnimationController.cpp

@@ -1,5 +1,7 @@
 #include "Animation/AnimationController.h"
 
+#include "Animation/AllAnimations.h"
+
 AnimationController::AnimationController(Fader *fader)
     : m_fader(fader), m_animation(nullptr), m_frame(0)
 {}
@@ -17,6 +19,24 @@ void AnimationController::changeAnimation(std::unique_ptr<Animation> anim, bool
     }
 }
 
+void AnimationController::changeAnimation(AnimationController::DefaultAnimation animation_id, bool transition)
+{
+    std::unique_ptr<Animation> anim(nullptr);
+
+    switch(animation_id) {
+        case FIRE_HOT:
+            changeAnimation(std::unique_ptr<Animation>(new FireAnimation(m_fader, false)), transition);
+            break;
+
+        case FIRE_COLD:
+            changeAnimation(std::unique_ptr<Animation>(new FireAnimation(m_fader, true)), transition);
+            break;
+
+        default:
+            return; // unknown id, do nothing
+    }
+}
+
 void AnimationController::loop(void)
 {
     if(m_animation && !m_animation->finished()) {

src/WebServer.cpp

@@ -8,6 +8,7 @@
 #include "Config.h"
 
 #include "Fader.h"
+#include "Animation/AnimationController.h"
 
 WebServer::WebServer(void)
     : m_cr(Config::instance().getCRPassword()), m_fader(NULL)
@@ -108,6 +109,37 @@ void WebServer::handleColor(httpsserver::HTTPRequest *req, httpsserver::HTTPResp
     WebServer::instance().m_fader->fade_color({r,g,b,w});
 }
 
+void WebServer::handleSetAnim(httpsserver::HTTPRequest *req, httpsserver::HTTPResponse *res)
+{
+    res->setHeader("Content-Type", "text/plain");
+
+    httpsserver::ResourceParameters * params = req->getParams();
+
+    if(!params->isRequestParameterSet("anim")) {
+        error400(res, "Parameter 'anim' not set.");
+        return;
+    }
+
+    std::istringstream animstr(params->getRequestParameter("anim"));
+
+    uint32_t anim_id;
+    animstr >> anim_id;
+
+    if(animstr.bad() || animstr.fail()) {
+        error400(res, "Parameter 'anim' could not be parsed as number.");
+        return;
+    }
+
+    if(anim_id >= AnimationController::NUM_DEFAULT_ANIMATIONS) {
+        error400(res, "Animation ID out of range.");
+        return;
+    }
+
+    WebServer::instance().m_animController->changeAnimation(
+        static_cast<AnimationController::DefaultAnimation>(anim_id),
+        true);
+}
+
 void WebServer::handleUpdate(httpsserver::HTTPRequest *req, httpsserver::HTTPResponse *res)
 {
     res->setHeader("Content-Type", "text/plain");
@@ -202,6 +234,8 @@ void WebServer::serverTask(void *arg)
                                                                         WebServer::handleRoot);
     httpsserver::ResourceNode *nodeColor = new httpsserver::ResourceNode("/color", "GET",
                                                                         WebServer::handleColor);
+    httpsserver::ResourceNode *nodeSetAnim = new httpsserver::ResourceNode("/setanim", "GET",
+                                                                        WebServer::handleSetAnim);
     httpsserver::ResourceNode *nodeUpdate = new httpsserver::ResourceNode("/update", "POST",
                                                                         WebServer::handleUpdate);
     httpsserver::ResourceNode *nodeChallenge = new httpsserver::ResourceNode("/challenge", "GET",
@@ -217,6 +251,7 @@ void WebServer::serverTask(void *arg)
 
     server.m_server->registerNode(nodeRoot);
     server.m_server->registerNode(nodeColor);
+    server.m_server->registerNode(nodeSetAnim);
     server.m_server->registerNode(nodeUpdate);
     server.m_server->registerNode(nodeChallenge);
     server.m_server->registerNode(nodeAuthTest);

src/main.cpp

@@ -244,6 +244,7 @@ void setup()
 
   // start the web server
   WebServer::instance().setFader(&ledFader);
+  WebServer::instance().setAnimationController(&animController);
   WebServer::instance().start();
 
   // start the update server