1 files changed, 242 insertions, 0 deletions
diff --git a/Source/WebInspectorUI/UserInterface/Views/SpringEditor.js b/Source/WebInspectorUI/UserInterface/Views/SpringEditor.js
new file mode 100644
index 000000000..e03449360
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Views/SpringEditor.js
@@ -0,0 +1,242 @@
+/*
+ * Copyright (C) 2016 Devin Rousso <dcrousso+webkit@gmail.com>. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+WebInspector.SpringEditor = class SpringEditor extends WebInspector.Object
+{
+    constructor()
+    {
+        super();
+
+        this._element = document.createElement("div");
+        this._element.classList.add("spring-editor");
+
+        this._previewContainer = this._element.createChild("div", "spring-preview");
+        this._previewContainer.title = WebInspector.UIString("Restart animation");
+        this._previewContainer.addEventListener("mousedown", this._resetPreviewAnimation.bind(this));
+
+        this._previewElement = this._previewContainer.createChild("div");
+        this._previewElement.addEventListener("transitionend", this.debounce(500)._resetPreviewAnimation);
+
+        this._timingContainer = this._element.createChild("div", "spring-timing");
+
+        this._timingElement = this._timingContainer.createChild("div");
+
+        this._numberInputContainer = this._element.createChild("div", "number-input-container");
+
+        function createInputsForParameter(id, title)
+        {
+            let row = this._numberInputContainer.createChild("div", `number-input-row ${id}`);
+
+            row.createChild("div", "number-input-row-title").textContent = title;
+
+            let sliderKey = `_${id}Slider`;
+            this[sliderKey] = row.createChild("input");
+            this[sliderKey].type = "range";
+            this[sliderKey].addEventListener("input", this._handleNumberSliderInput.bind(this));
+            this[sliderKey].addEventListener("mousedown", this._handleNumberSliderMousedown.bind(this));
+            this[sliderKey].addEventListener("mouseup", this._handleNumberSliderMouseup.bind(this));
+
+            let inputKey = `_${id}Input`;
+            this[inputKey] = row.createChild("input");
+            this[inputKey].type = "number";
+            this[inputKey].addEventListener("input", this._handleNumberInputInput.bind(this));
+            this[inputKey].addEventListener("keydown", this._handleNumberInputKeydown.bind(this));
+        }
+
+        createInputsForParameter.call(this, "mass", WebInspector.UIString("Mass"));
+        this._massInput.min = this._massSlider.min = 1;
+
+        createInputsForParameter.call(this, "stiffness", WebInspector.UIString("Stiffness"));
+        this._stiffnessInput.min = this._stiffnessSlider.min = 1;
+
+        createInputsForParameter.call(this, "damping", WebInspector.UIString("Damping"));
+        this._dampingInput.min = this._dampingSlider.min = 0;
+
+        createInputsForParameter.call(this, "initialVelocity", WebInspector.UIString("Initial Velocity"));
+
+        this._spring = new WebInspector.Spring(1, 100, 10, 0);
+    }
+
+    // Public
+
+    get element()
+    {
+        return this._element;
+    }
+
+    get spring()
+    {
+        return this._spring;
+    }
+
+    set spring(spring)
+    {
+        if (!spring)
+            return;
+
+        let isSpring = spring instanceof WebInspector.Spring;
+        console.assert(isSpring);
+        if (!isSpring)
+            return;
+
+        this._spring = spring;
+        this._massInput.value = this._massSlider.value = this._spring.mass;
+        this._stiffnessInput.value = this._stiffnessSlider.value = this._spring.stiffness;
+        this._dampingInput.value = this._dampingSlider.value = this._spring.damping;
+        this._initialVelocityInput.value = this._initialVelocitySlider.value = this._spring.initialVelocity;
+        this._resetPreviewAnimation();
+    }
+
+    // Private
+
+    _handleNumberInputInput(event)
+    {
+        this._changeSpringForInput(event.target, event.target.value);
+    }
+
+    _handleNumberInputKeydown(event)
+    {
+        let shift = 0;
+        if (event.keyIdentifier === "Up")
+            shift = 1;
+         else if (event.keyIdentifier === "Down")
+            shift = -1;
+
+        if (!shift)
+            return;
+
+        if (event.shiftKey)
+            shift *= 10;
+        else if (event.altKey)
+            shift /= 10;
+
+        let value = parseFloat(event.target.value) || 0;
+        this._changeSpringForInput(event.target, value + shift);
+
+        event.preventDefault();
+    }
+
+    _handleNumberSliderInput(event)
+    {
+        this._changeSpringForInput(event.target, event.target.value);
+    }
+
+    _handleNumberSliderMousedown(event)
+    {
+        this._changeSpringForInput(event.target, event.target.value);
+    }
+
+    _handleNumberSliderMouseup(event)
+    {
+        this._changeSpringForInput(event.target, event.target.value);
+    }
+
+    _changeSpringForInput(target, value)
+    {
+        value = parseFloat(value) || 0;
+
+        switch (target) {
+        case this._massInput:
+        case this._massSlider:
+            if (this._spring.mass === value)
+                return;
+
+            this._spring.mass = Math.max(1, value);
+            this._massInput.value = this._massSlider.value = this._spring.mass.maxDecimals(3);
+            break;
+        case this._stiffnessInput:
+        case this._stiffnessSlider:
+            if (this._spring.stiffness === value)
+                return;
+
+            this._spring.stiffness = Math.max(1, value);
+            this._stiffnessInput.value = this._stiffnessSlider.value = this._spring.stiffness.maxDecimals(3);
+            break;
+        case this._dampingInput:
+        case this._dampingSlider:
+            if (this._spring.damping === value)
+                return;
+
+            this._spring.damping = Math.max(0, value);
+            this._dampingInput.value = this._dampingSlider.value = this._spring.damping.maxDecimals(3);
+            break;
+        case this._initialVelocityInput:
+        case this._initialVelocitySlider:
+            if (this._spring.initialVelocity === value)
+                return;
+
+            this._spring.initialVelocity = value;
+            this._initialVelocityInput.value = this._initialVelocitySlider.value = this._spring.initialVelocity.maxDecimals(3);
+            break;
+        default:
+            WebInspector.reportInternalError("Input event fired for unrecognized element");
+            return;
+        }
+
+        this.dispatchEventToListeners(WebInspector.SpringEditor.Event.SpringChanged, {spring: this._spring});
+
+        this._resetPreviewAnimation();
+    }
+
+    _resetPreviewAnimation(event)
+    {
+        this._previewContainer.classList.remove("animate");
+        this._previewElement.style.transitionTimingFunction = null;
+        this._previewElement.style.transform = null;
+
+        this._timingContainer.classList.remove("animate");
+        this._timingElement.style.transform = null;
+
+        // Only reset the duration text when a spring parameter is changed.
+        if (!event)
+            this._timingContainer.dataset.duration = "0";
+
+        this.debounce(500)._updatePreviewAnimation(event);
+    }
+
+    _updatePreviewAnimation(event)
+    {
+        this._previewContainer.classList.add("animate");
+        this._previewElement.style.transform = "translateX(85px)";
+        this._previewElement.style.transitionTimingFunction = this._spring.toString();
+
+        this._timingContainer.classList.add("animate");
+        this._timingElement.style.transform = "translateX(170px)";
+
+        // Only calculate the duration when a spring parameter is changed.
+        if (!event) {
+            let duration = this._spring.calculateDuration();
+
+            this._timingContainer.dataset.duration = duration.toFixed(2);
+            this._timingElement.style.transitionDuration = `${duration}s`;
+
+            this._previewElement.style.transitionDuration = `${duration}s`;
+        }
+    }
+};
+
+WebInspector.SpringEditor.Event = {
+    SpringChanged: "spring-editor-spring-changed"
+};