Updates from Tue Mar 10

- [ReactNative] Make tests run on TravisCI | Alex Kotliarskyi
- [Relay] Update Relay + ES6 class containers | Christoph Pojer
- [React Native] Add RCTAdSupport.xcodeproj | Alexsander Akers
- [ReactNative][Android] Fix after a new React version was downstreamed | Philipp von Weitershausen
- [React Native] Add preliminary animation API | Alex Akers
- [ReactKit] Create test for OSS ReactKit | Alex Kotliarskyi
- [React Native][Device ID][wip] implement most basic js access | Alex Akers
- [ReactNative] OSS Picker | Spencer Ahrens
- [ReactNative] Fix typo in RCTUIManager | Tadeu Zagallo
- [ReactNative] Fix GeoLocation files letter case | Tadeu Zagallo
- Unified the method signature for addUIBlock: to further simplify porting ViewManagers | Nick Lockwood
- [ReactNative] Oss GeoMap | Tadeu Zagallo
- [ReactNative] OSS CameraRoll | Tadeu Zagallo
- [ReactNative] allowLossyConversion on NSString->NSData conversion | Andrew Rasmussen
- [React Native][RFC] Print __DEV__ value on app start | Alex Kotliarskyi

Libraries/Animation/Animation.js

@@ -0,0 +1,34 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ *
+ * @providesModule Animation
+ * @flow
+ */
+'use strict';
+
+var { RCTAnimationManager } = require('NativeModules');
+var AnimationUtils = require('AnimationUtils');
+
+type EasingFunction = (t: number) => number;
+
+var Animation = {
+  Mixin: require('AnimationMixin'),
+
+  startAnimation: function(
+    node: any,
+    duration: number,
+    delay: number,
+    easing: (string | EasingFunction),
+    properties: {[key: string]: any}
+  ): number {
+    var nodeHandle = +node.getNodeHandle();
+    var easingSample = AnimationUtils.evaluateEasingFunction(duration, easing);
+    RCTAnimationManager.startAnimation(nodeHandle, AnimationUtils.allocateTag(), duration, delay, easingSample, properties);
+  },
+
+  stopAnimation: function(tag) {
+    RCTAnimationManager.stopAnimation(tag);
+  },
+};
+
+module.exports = Animation;

Libraries/Animation/AnimationMixin.js

@@ -0,0 +1,45 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ *
+ * @providesModule AnimationMixin
+ * @flow
+ */
+'use strict';
+
+var AnimationUtils = require('AnimationUtils');
+var { RCTAnimationManager } = require('NativeModules');
+
+var invariant = require('invariant');
+
+type EasingFunction = (t: number) => number;
+
+var AnimationMixin = {
+  getInitialState: function(): Object {
+    return {};
+  },
+
+  startAnimation: function(
+    refKey: string,
+    duration: number,
+    delay: number,
+    easing: (string | EasingFunction),
+    properties: {[key: string]: any}
+  ): number {
+    var ref = this.refs[refKey];
+    invariant(
+      ref,
+      'Invalid refKey ' + refKey + '; ' +
+      'valid refs: ' + JSON.stringify(Object.keys(this.refs))
+    );
+
+    var nodeHandle = +ref.getNodeHandle();
+    var easingSample = AnimationUtils.evaluateEasingFunction(duration, easing);
+    RCTAnimationManager.startAnimation(nodeHandle, AnimationUtils.allocateTag(), duration, delay, easingSample, properties);
+  },
+
+  stopAnimation: function(tag: number) {
+    RCTAnimationManager.stopAnimation(tag);
+  },
+};
+
+module.exports = AnimationMixin;

Libraries/Animation/AnimationUtils.js

@@ -0,0 +1,226 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ *
+ * @providesModule AnimationUtils
+ * @flow
+ */
+'use strict';
+
+type EasingFunction = (t: number) => number;
+
+var b = 0,
+  c = 1,
+  d = 1;
+var defaults = {
+  easeInQuad: function(t) {
+    return c * (t /= 1) * t + b;
+  },
+  easeOutQuad: function(t) {
+    return -c * (t /= d) * (t - 2) + b;
+  },
+  easeInOutQuad: function(t) {
+    if ((t /= d / 2) < 1) {
+      return c / 2 * t * t + b;
+    }
+    return -c / 2 * ((--t) * (t - 2) - 1) + b;
+  },
+  easeInCubic: function(t) {
+    return c * (t /= d) * t * t + b;
+  },
+  easeOutCubic: function(t) {
+    return c * ((t = t / d - 1) * t * t + 1) + b;
+  },
+  easeInOutCubic: function(t) {
+    if ((t /= d / 2) < 1) {
+      return c / 2 * t * t * t + b;
+    }
+    return c / 2 * ((t -= 2) * t * t + 2) + b;
+  },
+  easeInQuart: function(t) {
+    return c * (t /= d) * t * t * t + b;
+  },
+  easeOutQuart: function(t) {
+    return -c * ((t = t / d - 1) * t * t * t - 1) + b;
+  },
+  easeInOutQuart: function(t) {
+    if ((t /= d / 2) < 1) {
+      return c / 2 * t * t * t * t + b;
+    }
+    return -c / 2 * ((t -= 2) * t * t * t - 2) + b;
+  },
+  easeInQuint: function(t) {
+    return c * (t /= d) * t * t * t * t + b;
+  },
+  easeOutQuint: function(t) {
+    return c * ((t = t / d - 1) * t * t * t * t + 1) + b;
+  },
+  easeInOutQuint: function(t) {
+    if ((t /= d / 2) < 1) {
+      return c / 2 * t * t * t * t * t + b;
+    }
+    return c / 2 * ((t -= 2) * t * t * t * t + 2) + b;
+  },
+  easeInSine: function(t) {
+    return -c * Math.cos(t / d * (Math.PI / 2)) + c + b;
+  },
+  easeOutSine: function(t) {
+    return c * Math.sin(t / d * (Math.PI / 2)) + b;
+  },
+  easeInOutSine: function(t) {
+    return -c / 2 * (Math.cos(Math.PI * t / d) - 1) + b;
+  },
+  easeInExpo: function(t) {
+    return (t === 0) ? b : c * Math.pow(2, 10 * (t / d - 1)) + b;
+  },
+  easeOutExpo: function(t) {
+    return (t === d) ? b + c : c * (-Math.pow(2, -10 * t / d) + 1) + b;
+  },
+  easeInOutExpo: function(t) {
+    if (t === 0) {
+      return b;
+    }
+    if (t === d) {
+      return b + c;
+    }
+    if ((t /= d / 2) < 1) {
+      return c / 2 * Math.pow(2, 10 * (t - 1)) + b;
+    }
+    return c / 2 * (-Math.pow(2, -10 * --t) + 2) + b;
+  },
+  easeInCirc: function(t) {
+    return -c * (Math.sqrt(1 - (t /= d) * t) - 1) + b;
+  },
+  easeOutCirc: function(t) {
+    return c * Math.sqrt(1 - (t = t / d - 1) * t) + b;
+  },
+  easeInOutCirc: function(t) {
+    if ((t /= d / 2) < 1) {
+      return -c / 2 * (Math.sqrt(1 - t * t) - 1) + b;
+    }
+    return c / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1) + b;
+  },
+  easeInElastic: function(t) {
+    var s = 1.70158;
+    var p = 0;
+    var a = c;
+    if (t === 0) {
+      return b;
+    }
+    if ((t /= d) === 1) {
+      return b + c;
+    }
+    if (!p) {
+      p = d * 0.3;
+    }
+    if (a < Math.abs(c)) {
+      a = c;
+      var s = p / 4;
+    } else {
+      var s = p / (2 * Math.PI) * Math.asin(c / a);
+    }
+    return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
+  },
+  easeOutElastic: function(t) {
+    var s = 1.70158;
+    var p = 0;
+    var a = c;
+    if (t === 0) {
+      return b;
+    }
+    if ((t /= d) === 1) {
+      return b + c;
+    }
+    if (!p) {
+      p = d * 0.3;
+    }
+    if (a < Math.abs(c)) {
+      a = c;
+      var s = p / 4;
+    } else {
+      var s = p / (2 * Math.PI) * Math.asin(c / a);
+    }
+    return a * Math.pow(2, -10 * t) * Math.sin((t * d - s) * (2 * Math.PI) / p) + c + b;
+  },
+  easeInOutElastic: function(t) {
+    var s = 1.70158;
+    var p = 0;
+    var a = c;
+    if (t === 0) {
+      return b;
+    }
+    if ((t /= d / 2) === 2) {
+      return b + c;
+    }
+    if (!p) {
+      p = d * (0.3 * 1.5);
+    }
+    if (a < Math.abs(c)) {
+      a = c;
+      var s = p / 4;
+    } else {
+      var s = p / (2 * Math.PI) * Math.asin(c / a);
+    }
+    if (t < 1) {
+      return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
+    }
+    return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p) * 0.5 + c + b;
+  },
+  easeInBack: function(t) {
+    var s = 1.70158;
+    return c * (t /= d) * t * ((s + 1) * t - s) + b;
+  },
+  easeOutBack: function(t) {
+    var s = 1.70158;
+    return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b;
+  },
+  easeInOutBack: function(t) {
+    var s = 1.70158;
+    if ((t /= d / 2) < 1) {
+      return c / 2 * (t * t * (((s *= (1.525)) + 1) * t - s)) + b;
+    }
+    return c / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2) + b;
+  },
+  easeInBounce: function(t) {
+    return c - this.easeOutBounce(d - t) + b;
+  },
+  easeOutBounce: function(t) {
+    if ((t /= d) < (1 / 2.75)) {
+      return c * (7.5625 * t * t) + b;
+    } else if (t < (2 / 2.75)) {
+      return c * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75) + b;
+    } else if (t < (2.5 / 2.75)) {
+      return c * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375) + b;
+    } else {
+      return c * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375) + b;
+    }
+  },
+  easeInOutBounce: function(t) {
+    if (t < d / 2) {
+      return this.easeInBounce(t * 2) * 0.5 + b;
+    }
+    return this.easeOutBounce(t * 2 - d) * 0.5 + c * 0.5 + b;
+  },
+};
+
+var ticksPerSecond = 60;
+var lastUsedTag = 0;
+
+module.exports = {
+  allocateTag: function(): number {
+    return ++lastUsedTag;
+  },
+
+  evaluateEasingFunction: function(duration: number, easing: string | EasingFunction): Array<number> {
+    if (typeof easing === 'string') {
+      easing = defaults[easing] || defaults.easeOutQuad;
+    }
+
+    var tickCount = Math.round(duration * ticksPerSecond / 1000);
+    var sample = [];
+    for (var i = 0; i <= tickCount; i++) {
+      sample.push(easing(i / tickCount));
+    }
+
+    return sample;
+  },
+};