webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 275 insertions, 0 deletions

diff --git a/Source/WebInspectorUI/UserInterface/Views/HoverMenu.js b/Source/WebInspectorUI/UserInterface/Views/HoverMenu.js
new file mode 100644
index 000000000..09a6c9b0c
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Views/HoverMenu.js
@@ -0,0 +1,275 @@
+/*
+ * Copyright (C) 2013, 2015 Apple Inc. 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.HoverMenu = class HoverMenu extends WebInspector.Object
+{
+    constructor(delegate)
+    {
+        super();
+
+        this.delegate = delegate;
+
+        this._element = document.createElement("div");
+        this._element.className = "hover-menu";
+        this._element.addEventListener("transitionend", this, true);
+
+        this._outlineElement = this._element.appendChild(document.createElementNS("http://www.w3.org/2000/svg", "svg"));
+
+        this._button = this._element.appendChild(document.createElement("img"));
+        this._button.addEventListener("click", this);
+    }
+
+    // Public
+
+    get element()
+    {
+        return this._element;
+    }
+
+    present(rects)
+    {
+        this._outlineElement.textContent = "";
+
+        document.body.appendChild(this._element);
+        this._drawOutline(rects);
+        this._element.classList.add(WebInspector.HoverMenu.VisibleClassName);
+
+        window.addEventListener("scroll", this, true);
+    }
+
+    dismiss(discrete)
+    {
+        if (this._element.parentNode !== document.body)
+            return;
+
+        if (discrete)
+            this._element.remove();
+
+        this._element.classList.remove(WebInspector.HoverMenu.VisibleClassName);
+
+        window.removeEventListener("scroll", this, true);
+    }
+
+    // Protected
+
+    handleEvent(event)
+    {
+        switch (event.type) {
+        case "scroll":
+            if (!this._element.contains(event.target))
+                this.dismiss(true);
+            break;
+        case "click":
+            this._handleClickEvent(event);
+            break;
+        case "transitionend":
+            if (!this._element.classList.contains(WebInspector.HoverMenu.VisibleClassName))
+                this._element.remove();
+            break;
+        }
+    }
+
+    // Private
+
+    _handleClickEvent(event)
+    {
+        if (this.delegate && typeof this.delegate.hoverMenuButtonWasPressed === "function")
+            this.delegate.hoverMenuButtonWasPressed(this);
+    }
+
+    _drawOutline(rects)
+    {
+        var buttonWidth = this._button.width;
+        var buttonHeight = this._button.height;
+
+        // Add room for the button on the last line.
+        var lastRect = rects.pop();
+        lastRect.size.width += buttonWidth;
+        rects.push(lastRect);
+
+        if (rects.length === 1)
+            this._drawSingleLine(rects[0]);
+        else if (rects.length === 2 && rects[0].minX() >= rects[1].maxX())
+            this._drawTwoNonOverlappingLines(rects);
+        else
+            this._drawOverlappingLines(rects);
+
+        var bounds = WebInspector.Rect.unionOfRects(rects).pad(3); // padding + 1/2 stroke-width
+
+        var style = this._element.style;
+        style.left = bounds.minX() + "px";
+        style.top = bounds.minY() + "px";
+        style.width = bounds.size.width + "px";
+        style.height = bounds.size.height + "px";
+
+        this._outlineElement.style.width = bounds.size.width + "px";
+        this._outlineElement.style.height = bounds.size.height + "px";
+
+        this._button.style.left = (lastRect.maxX() - bounds.minX() - buttonWidth) + "px";
+        this._button.style.top = (lastRect.maxY() - bounds.minY() - buttonHeight) + "px";
+    }
+
+    _addRect(rect)
+    {
+        var r = 4;
+
+        var svgRect = document.createElementNS("http://www.w3.org/2000/svg", "rect");
+        svgRect.setAttribute("x", 1);
+        svgRect.setAttribute("y", 1);
+        svgRect.setAttribute("width", rect.size.width);
+        svgRect.setAttribute("height", rect.size.height);
+        svgRect.setAttribute("rx", r);
+        svgRect.setAttribute("ry", r);
+        return this._outlineElement.appendChild(svgRect);
+    }
+
+    _addPath(commands, tx, ty)
+    {
+        var path = document.createElementNS("http://www.w3.org/2000/svg", "path");
+        path.setAttribute("d", commands.join(" "));
+        path.setAttribute("transform", "translate(" + (tx + 1) + "," + (ty + 1) + ")");
+        return this._outlineElement.appendChild(path);
+    }
+
+    _drawSingleLine(rect)
+    {
+        this._addRect(rect.pad(2));
+    }
+
+    _drawTwoNonOverlappingLines(rects)
+    {
+        var r = 4;
+
+        var firstRect = rects[0].pad(2);
+        var secondRect = rects[1].pad(2);
+
+        var tx = -secondRect.minX();
+        var ty = -firstRect.minY();
+
+        var rect = firstRect;
+        this._addPath([
+            "M", rect.maxX(), rect.minY(),
+            "H", rect.minX() + r,
+            "q", -r, 0, -r, r,
+            "V", rect.maxY() - r,
+            "q", 0, r, r, r,
+            "H", rect.maxX()
+        ], tx, ty);
+
+        rect = secondRect;
+        this._addPath([
+            "M", rect.minX(), rect.minY(),
+            "H", rect.maxX() - r,
+            "q", r, 0, r, r,
+            "V", rect.maxY() - r,
+            "q", 0, r, -r, r,
+            "H", rect.minX()
+        ], tx, ty);
+    }
+
+    _drawOverlappingLines(rects)
+    {
+        var PADDING = 2;
+        var r = 4;
+
+        var minX = Number.MAX_VALUE;
+        var maxX = -Number.MAX_VALUE;
+        for (var rect of rects) {
+            var minX = Math.min(rect.minX(), minX);
+            var maxX = Math.max(rect.maxX(), maxX);
+        }
+
+        minX -= PADDING;
+        maxX += PADDING;
+
+        var minY = rects[0].minY() - PADDING;
+        var maxY = rects.lastValue.maxY() + PADDING;
+        var firstLineMinX = rects[0].minX() - PADDING;
+        var lastLineMaxX = rects.lastValue.maxX() + PADDING;
+
+        if (firstLineMinX === minX && lastLineMaxX === maxX)
+            return this._addRect(new WebInspector.Rect(minX, minY, maxX - minX, maxY - minY));
+
+        var lastLineMinY = rects.lastValue.minY() + PADDING;
+        if (rects[0].minX() === minX + PADDING) {
+            return this._addPath([
+                "M", minX + r, minY,
+                "H", maxX - r,
+                "q", r, 0, r, r,
+                "V", lastLineMinY - r,
+                "q", 0, r, -r, r,
+                "H", lastLineMaxX + r,
+                "q", -r, 0, -r, r,
+                "V", maxY - r,
+                "q", 0, r, -r, r,
+                "H", minX + r,
+                "q", -r, 0, -r, -r,
+                "V", minY + r,
+                "q", 0, -r, r, -r
+            ], -minX, -minY);
+        }
+
+        var firstLineMaxY = rects[0].maxY() - PADDING;
+        if (rects.lastValue.maxX() === maxX - PADDING) {
+            return this._addPath([
+                "M", firstLineMinX + r, minY,
+                "H", maxX - r,
+                "q", r, 0, r, r,
+                "V", maxY - r,
+                "q", 0, r, -r, r,
+                "H", minX + r,
+                "q", -r, 0, -r, -r,
+                "V", firstLineMaxY + r,
+                "q", 0, -r, r, -r,
+                "H", firstLineMinX - r,
+                "q", r, 0, r, -r,
+                "V", minY + r,
+                "q", 0, -r, r, -r
+            ], -minX, -minY);
+        }
+
+        return this._addPath([
+            "M", firstLineMinX + r, minY,
+            "H", maxX - r,
+            "q", r, 0, r, r,
+            "V", lastLineMinY - r,
+            "q", 0, r, -r, r,
+            "H", lastLineMaxX + r,
+            "q", -r, 0, -r, r,
+            "V", maxY - r,
+            "q", 0, r, -r, r,
+            "H", minX + r,
+            "q", -r, 0, -r, -r,
+            "V", firstLineMaxY + r,
+            "q", 0, -r, r, -r,
+            "H", firstLineMinX - r,
+            "q", r, 0, r, -r,
+            "V", minY + r,
+            "q", 0, -r, r, -r
+        ], -minX, -minY);
+    }
+};
+
+WebInspector.HoverMenu.VisibleClassName = "visible";