webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 226 insertions, 0 deletions

diff --git a/Source/WebInspectorUI/UserInterface/Views/CompletionSuggestionsView.js b/Source/WebInspectorUI/UserInterface/Views/CompletionSuggestionsView.js
new file mode 100644
index 000000000..7732dbaff
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Views/CompletionSuggestionsView.js
@@ -0,0 +1,226 @@
+/*
+ * 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.CompletionSuggestionsView = class CompletionSuggestionsView extends WebInspector.Object
+{
+    constructor(delegate)
+    {
+        super();
+
+        this._delegate = delegate || null;
+
+        this._selectedIndex = NaN;
+
+        this._element = document.createElement("div");
+        this._element.classList.add("completion-suggestions", WebInspector.Popover.IgnoreAutoDismissClassName);
+
+        this._containerElement = document.createElement("div");
+        this._containerElement.classList.add("completion-suggestions-container");
+        this._containerElement.addEventListener("mousedown", this._mouseDown.bind(this));
+        this._containerElement.addEventListener("mouseup", this._mouseUp.bind(this));
+        this._containerElement.addEventListener("click", this._itemClicked.bind(this));
+        this._element.appendChild(this._containerElement);
+    }
+
+    // Public
+
+    get delegate()
+    {
+        return this._delegate;
+    }
+
+    get visible()
+    {
+        return !!this._element.parentNode;
+    }
+
+    get selectedIndex()
+    {
+        return this._selectedIndex;
+    }
+
+    set selectedIndex(index)
+    {
+        var selectedItemElement = this._selectedItemElement;
+        if (selectedItemElement)
+            selectedItemElement.classList.remove(WebInspector.CompletionSuggestionsView.SelectedItemStyleClassName);
+
+        this._selectedIndex = index;
+
+        selectedItemElement = this._selectedItemElement;
+        if (!selectedItemElement)
+            return;
+
+        selectedItemElement.classList.add(WebInspector.CompletionSuggestionsView.SelectedItemStyleClassName);
+        selectedItemElement.scrollIntoViewIfNeeded(false);
+    }
+
+    selectNext()
+    {
+        var count = this._containerElement.children.length;
+
+        if (isNaN(this._selectedIndex) || this._selectedIndex === count - 1)
+            this.selectedIndex = 0;
+        else
+            ++this.selectedIndex;
+
+        var selectedItemElement = this._selectedItemElement;
+        if (selectedItemElement && this._delegate && typeof this._delegate.completionSuggestionsSelectedCompletion === "function")
+            this._delegate.completionSuggestionsSelectedCompletion(this, selectedItemElement.textContent);
+    }
+
+    selectPrevious()
+    {
+        if (isNaN(this._selectedIndex) || this._selectedIndex === 0)
+            this.selectedIndex = this._containerElement.children.length - 1;
+        else
+            --this.selectedIndex;
+
+        var selectedItemElement = this._selectedItemElement;
+        if (selectedItemElement && this._delegate && typeof this._delegate.completionSuggestionsSelectedCompletion === "function")
+            this._delegate.completionSuggestionsSelectedCompletion(this, selectedItemElement.textContent);
+    }
+
+    isHandlingClickEvent()
+    {
+        return this._mouseIsDown;
+    }
+
+    show(anchorBounds)
+    {
+        // Measure the container so we can know the intrinsic size of the items.
+        this._containerElement.style.position = "absolute";
+        document.body.appendChild(this._containerElement);
+
+        var containerWidth = this._containerElement.offsetWidth;
+        var containerHeight = this._containerElement.offsetHeight;
+
+        this._containerElement.removeAttribute("style");
+        this._element.appendChild(this._containerElement);
+
+        // Lay out the suggest-box relative to the anchorBounds.
+        var margin = 10;
+        var horizontalPadding = 22;
+        var absoluteMaximumHeight = 160;
+
+        var x = anchorBounds.origin.x;
+        var y = anchorBounds.origin.y + anchorBounds.size.height;
+
+        var maximumWidth = window.innerWidth - anchorBounds.origin.x - margin;
+        var width = Math.min(containerWidth, maximumWidth - horizontalPadding) + horizontalPadding;
+        var paddedWidth = containerWidth + horizontalPadding;
+
+        if (width < paddedWidth) {
+            // Shift the suggest box to the left to accommodate the content without trimming to the BODY edge.
+            maximumWidth = window.innerWidth - margin;
+            width = Math.min(containerWidth, maximumWidth - horizontalPadding) + horizontalPadding;
+            x = document.body.offsetWidth - width;
+        }
+
+        var aboveHeight = anchorBounds.origin.y;
+        var underHeight = window.innerHeight - anchorBounds.origin.y - anchorBounds.size.height;
+        var maximumHeight = Math.min(absoluteMaximumHeight, Math.max(underHeight, aboveHeight) - margin);
+        var height = Math.min(containerHeight, maximumHeight);
+
+        // Position the suggestions below the anchor. If there is no room, position the suggestions above.
+        if (underHeight - height < 0)
+            y = aboveHeight - height;
+
+        this._element.style.left = x + "px";
+        this._element.style.top = y + "px";
+        this._element.style.width = width + "px";
+        this._element.style.height = height + "px";
+
+        document.body.appendChild(this._element);
+    }
+
+    hide()
+    {
+        this._element.remove();
+    }
+
+    update(completions, selectedIndex)
+    {
+        this._containerElement.removeChildren();
+
+        if (typeof selectedIndex === "number")
+            this._selectedIndex = selectedIndex;
+
+        for (var i = 0; i < completions.length; ++i) {
+            var itemElement = document.createElement("div");
+            itemElement.className = WebInspector.CompletionSuggestionsView.ItemElementStyleClassName;
+            itemElement.textContent = completions[i];
+            if (i === this._selectedIndex)
+                itemElement.classList.add(WebInspector.CompletionSuggestionsView.SelectedItemStyleClassName);
+            this._containerElement.appendChild(itemElement);
+
+            if (this._delegate && typeof this._delegate.completionSuggestionsViewCustomizeCompletionElement === "function")
+                this._delegate.completionSuggestionsViewCustomizeCompletionElement(this, itemElement, completions[i]);
+        }
+    }
+
+    // Private
+
+    get _selectedItemElement()
+    {
+        if (isNaN(this._selectedIndex))
+            return null;
+
+        var element = this._containerElement.children[this._selectedIndex] || null;
+        console.assert(element);
+        return element;
+    }
+
+    _mouseDown(event)
+    {
+        if (event.button !== 0)
+            return;
+        this._mouseIsDown = true;
+    }
+
+    _mouseUp(event)
+    {
+        if (event.button !== 0)
+            return;
+        this._mouseIsDown = false;
+    }
+
+    _itemClicked(event)
+    {
+        if (event.button !== 0)
+            return;
+
+        var itemElement = event.target.enclosingNodeOrSelfWithClass(WebInspector.CompletionSuggestionsView.ItemElementStyleClassName);
+        console.assert(itemElement);
+        if (!itemElement)
+            return;
+
+        if (this._delegate && typeof this._delegate.completionSuggestionsClickedCompletion === "function")
+            this._delegate.completionSuggestionsClickedCompletion(this, itemElement.textContent);
+    }
+};
+
+WebInspector.CompletionSuggestionsView.ItemElementStyleClassName = "item";
+WebInspector.CompletionSuggestionsView.SelectedItemStyleClassName = "selected";