Updated to use the new plugin APIs

Signed-off-by: Gergely Nagy <algernon@keyboard.io>

README.md

@@ -18,11 +18,14 @@ To use the plugin, include the header, and tell `Kaleidoscope` to use the plugin
 
 ```c++
 #include <Kaleidoscope.h>
+#include <Kaleidoscope-LEDControl.h>
 #include <Kaleidoscope-LEDEffect-BootGreeting.h>
 
-void setup() {
+KALEIDOSCOPE_INIT_PLUGINS(LEDControl,
-  Kaleidoscope.use(&BootGreetingEffect, &LEDOff);
+                          BootGreetingEffect
+                          LEDOff);
 
+void setup() {
   Kaleidoscope.setup();
 }
 ```
@@ -32,55 +35,69 @@ You may also set optional parameters.
 ### Specify by search key
 ```c++
 #include <Kaleidoscope.h>
+#include <Kaleidoscope-LEDControl.h>
 #include <Kaleidoscope-LEDEffect-BootGreeting.h>
 
+KALEIDOSCOPE_INIT_PLUGINS(LEDControl,
+                          BootGreetingEffect
+                          LEDOff);
+
 void setup() {
-  Kaleidoscope.use(&BootGreetingEffect, &LEDOff);
+  Kaleidoscope.setup();
 
   BootGreetingEffect.search_key = Key_M;
-
-  Kaleidoscope.setup();
 }
 ```
 
 ### Specify by position
 ```c++
 #include <Kaleidoscope.h>
+#include <Kaleidoscope-LEDControl.h>
 #include <Kaleidoscope-LEDEffect-BootGreeting.h>
 
+KALEIDOSCOPE_INIT_PLUGINS(LEDControl,
+                          BootGreetingEffect
+                          LEDOff);
+
 void setup() {
-  Kaleidoscope.use(&BootGreetingEffect, &LEDOff);
+  Kaleidoscope.setup();
 
   //Butterfly key
   BootGreetingEffect.key_col = 7;
   BootGreetingEffect.key_row = 3;
-
-  Kaleidoscope.setup();
 }
 ```
 
 ### Specify longer timeout
 ```c++
 #include <Kaleidoscope.h>
+#include <Kaleidoscope-LEDControl.h>
 #include <Kaleidoscope-LEDEffect-BootGreeting.h>
 
+KALEIDOSCOPE_INIT_PLUGINS(LEDControl,
+                          BootGreetingEffect
+                          LEDOff);
+
 void setup() {
-  Kaleidoscope.use(&BootGreetingEffect, &LEDOff);
+  Kaleidoscope.setup();
 
   //Butterfly key
   BootGreetingEffect.timeout = 15000;
-
-  Kaleidoscope.setup();
 }
 ```
 
 ### Specify different color
 ```c++
 #include <Kaleidoscope.h>
+#include <Kaleidoscope-LEDControl.h>
 #include <Kaleidoscope-LEDEffect-BootGreeting.h>
 
+KALEIDOSCOPE_INIT_PLUGINS(LEDControl,
+                          BootGreetingEffect
+                          LEDOff);
+
 void setup() {
-  Kaleidoscope.use(&BootGreetingEffect, &LEDOff);
+  Kaleidoscope.setup();
 
   //Butterfly key
   BootGreetingEffect.hue = 90;

src/Kaleidoscope-LEDEffect-BootGreeting.cpp

@@ -1,6 +1,6 @@
 /* -*- mode: c++ -*-
  * Kaleidoscope-LEDEffect-BootGreeting -- Small greeting at boot time
- * Copyright (C) 2017  Gergely Nagy
+ * Copyright (C) 2017, 2018  Gergely Nagy
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -36,11 +36,6 @@ BootGreetingEffect::BootGreetingEffect(byte pos_row, byte pos_col) {
   key_col = pos_col;
 }
 
-void BootGreetingEffect::begin(void) {
-  //Use the loop hook
-  Kaleidoscope.useLoopHook(loopHook);
-}
-
 void BootGreetingEffect::findLed(void) {
   // Find the LED key.
   for (uint8_t r = 0; r < ROWS; r++) {
@@ -63,10 +58,10 @@ void BootGreetingEffect::findLed(void) {
   done_ = true;
 }
 
-void BootGreetingEffect::loopHook(const bool post_clear) {
+EventHandlerResult BootGreetingEffect::afterEachCycle() {
   //If already done or we're not in a ready state, bail
-  if (!post_clear || done_) {
+  if (done_) {
-    return;
+    return EventHandlerResult::OK;
   }
 
   //If the start time isn't set, set the start time and
@@ -75,19 +70,35 @@ void BootGreetingEffect::loopHook(const bool post_clear) {
     start_time = millis();
     findLed();
     //the first time, don't do anything.
-    return;
+    return EventHandlerResult::OK;
   }
 
   //Only run for 'timeout' milliseconds
   if ((millis() - start_time) > timeout) {
     done_ = true;
     ::LEDControl.refreshAt(row_, col_);
-    return;
+    return EventHandlerResult::OK;
   }
 
   cRGB color = breath_compute(hue);
   ::LEDControl.setCrgbAt(row_, col_, color);
+
+  return EventHandlerResult::OK;
 }
+
+// Legacy V1 API
+#if KALEIDOSCOPE_ENABLE_V1_PLUGIN_API
+void BootGreetingEffect::begin() {
+  Kaleidoscope.useLoopHook(legacyLoopHook);
+}
+
+void BootGreetingEffect::legacyLoopHook(bool is_post_clear) {
+  if (!is_post_clear)
+    return;
+  ::BootGreetingEffect.afterEachCycle();
+}
+#endif
+
 }
 
 kaleidoscope::BootGreetingEffect BootGreetingEffect;

src/Kaleidoscope-LEDEffect-BootGreeting.h

@@ -1,6 +1,6 @@
 /* -*- mode: c++ -*-
  * Kaleidoscope-LEDEffect-BootGreeting -- Small greeting at boot time
- * Copyright (C) 2017  Gergely Nagy
+ * Copyright (C) 2017, 2018  Gergely Nagy
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -21,20 +21,26 @@
 #include "Kaleidoscope-LEDControl.h"
 
 namespace kaleidoscope {
-class BootGreetingEffect : public KaleidoscopePlugin {
+class BootGreetingEffect : public kaleidoscope::Plugin {
  public:
   BootGreetingEffect(void) {}
   BootGreetingEffect(byte, byte);
 
-  void begin(void) final;
   static byte key_row;
   static byte key_col;
   static Key search_key;
   static uint8_t hue;
   static uint16_t timeout;
 
+  EventHandlerResult afterEachCycle();
+
+#if KALEIDOSCOPE_ENABLE_V1_PLUGIN_API
+ protected:
+  void begin();
+  static void legacyLoopHook(bool is_post_clear);
+#endif
+
  private:
-  static void loopHook(const bool post_clear);
   static void findLed(void);
   static bool done_;
   static byte row_;