1 files changed, 135 insertions, 0 deletions
diff --git a/third_party/webkit/PerformanceTests/MotionMark/tests/master/resources/leaves.js b/third_party/webkit/PerformanceTests/MotionMark/tests/master/resources/leaves.js
new file mode 100644
index 0000000000..7a049836ff
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/MotionMark/tests/master/resources/leaves.js
@@ -0,0 +1,135 @@
+Leaf = Utilities.createSubclass(Particle,
+    function(stage)
+    {
+        this.element = document.createElement("img");
+        this.element.setAttribute("src", Stage.randomElementInArray(stage.images).src);
+        var sizeString = this.sizeMinimum + "px";
+        this.element.style.width = sizeString;
+        this.element.style.height = sizeString;
+        stage.element.appendChild(this.element);
+
+        Particle.call(this, stage);
+    }, {
+
+    sizeMinimum: 25,
+    sizeRange: 0,
+
+    reset: function()
+    {
+        Particle.prototype.reset.call(this);
+        this._life = Stage.randomInt(20, 100);
+        this._position = new Point(Stage.random(0, this.maxPosition.x), Stage.random(-this.size.height, this.maxPosition.y));
+        this._velocity = new Point(Stage.random(-6, -2), .1 * this.size.y + Stage.random(-1, 1));
+    },
+
+    animate: function(timeDelta)
+    {
+        this.rotater.next(timeDelta);
+
+        this._position.x += this._velocity.x + 8 * this.stage.focusX;
+        this._position.y += this._velocity.y;
+
+        this._life--;
+        if (!this._life || this._position.y > this.stage.size.height)
+            this.reset();
+
+        if (this._position.x < -this.size.width || this._position.x > this.stage.size.width)
+            this._position.x = this._position.x - Math.sign(this._position.x) * (this.size.width + this.stage.size.width);
+        this.move();
+    },
+
+    move: function()
+    {
+        this.element.style.transform = "translate(" + this._position.x + "px, " + this._position.y + "px)" + this.rotater.rotateZ();
+    }
+});
+
+Utilities.extendObject(ParticlesStage.prototype, {
+
+    imageSrcs: [
+        "compass",
+        "console",
+        "contribute",
+        "debugger",
+        "inspector",
+        "layout",
+        "performance",
+        "script",
+        "shortcuts",
+        "standards",
+        "storage",
+        "styles",
+        "timeline"
+    ],
+    images: [],
+
+    initialize: function(benchmark)
+    {
+        Stage.prototype.initialize.call(this, benchmark);
+
+        var lastPromise;
+        var images = this.images;
+        this.imageSrcs.forEach(function(imageSrc) {
+            var promise = this._loadImage("../master/resources/" + imageSrc + "100.png");
+            if (!lastPromise)
+                lastPromise = promise;
+            else {
+                lastPromise = lastPromise.then(function(img) {
+                    images.push(img);
+                    return promise;
+                });
+            }
+        }, this);
+
+        lastPromise.then(function(img) {
+            images.push(img);
+            benchmark.readyPromise.resolve();
+        });
+    },
+
+    _loadImage: function(src) {
+        var img = new Image;
+        var promise = new SimplePromise;
+
+        img.onload = function(e) {
+            promise.resolve(e.target);
+        };
+
+        img.src = src;
+        return promise;
+    },
+
+    animate: function(timeDelta)
+    {
+        this.focusX = 0.5 + 0.5 * Math.sin(Stage.dateFractionalValue(10000) * Math.PI * 2);
+        timeDelta /= 4;
+        this.particles.forEach(function(particle) {
+            particle.animate(timeDelta);
+        });
+    },
+
+    createParticle: function()
+    {
+        return new Leaf(this);
+    },
+
+    willRemoveParticle: function(particle)
+    {
+        particle.element.remove();
+    }
+});
+
+LeavesBenchmark = Utilities.createSubclass(Benchmark,
+    function(options)
+    {
+        Benchmark.call(this, new ParticlesStage(), options);
+    }, {
+
+    waitUntilReady: function() {
+        this.readyPromise = new SimplePromise;
+        return this.readyPromise;
+    }
+
+});
+
+window.benchmarkClass = LeavesBenchmark;