1 files changed, 120 insertions, 0 deletions
diff --git a/Source/WebInspectorUI/UserInterface/Views/TimelineTreeElement.js b/Source/WebInspectorUI/UserInterface/Views/TimelineTreeElement.js
new file mode 100644
index 000000000..c02b77ee8
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Views/TimelineTreeElement.js
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2016 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.TimelineTreeElement = class TimelineTreeElement extends WebInspector.GeneralTreeElement
+{
+    constructor(timeline, placeholder)
+    {
+        let displayName = WebInspector.TimelineTabContentView.displayNameForTimelineType(timeline.type);
+        let iconClassName = WebInspector.TimelineTabContentView.iconClassNameForTimelineType(timeline.type);
+        let genericClassName = WebInspector.TimelineTabContentView.genericClassNameForTimelineType(timeline.type);
+
+        super([iconClassName, genericClassName], displayName, "", timeline);
+
+        this._placeholder = placeholder || false;
+        this.editing = this._placeholder;
+    }
+
+    // Public
+
+    get placeholder()
+    {
+        return this._placeholder;
+    }
+
+    get editing()
+    {
+        return this._editing;
+    }
+
+    set editing(x)
+    {
+        if (this._editing === x)
+            return;
+
+        this._editing = x;
+        this.selectable = !this._editing;
+
+        this._updateStatusButton();
+    }
+
+    // Protected
+
+    onattach()
+    {
+        super.onattach();
+
+        this.listItemElement.addEventListener("click", this._clickHandler.bind(this));
+    }
+
+    // Private
+
+    _showCloseButton()
+    {
+        let tooltip = WebInspector.UIString("Close %s timeline view").format(this.mainTitle);
+        let button = new WebInspector.TreeElementStatusButton(useSVGSymbol("Images/CloseLarge.svg", "close-button", tooltip));
+        button.addEventListener(WebInspector.TreeElementStatusButton.Event.Clicked, () => { this.deselect(); });
+
+        this.status = button.element;
+    }
+
+    _showCheckbox()
+    {
+        let checkboxElement = document.createElement("input");
+        checkboxElement.type = "checkbox";
+        checkboxElement.checked = !this._placeholder;
+
+        let button = new WebInspector.TreeElementStatusButton(checkboxElement);
+        checkboxElement.addEventListener("change", () => { this._dispatchEnabledDidChangeEvent(); });
+
+        this.status = checkboxElement;
+    }
+
+    _updateStatusButton()
+    {
+        if (this._editing)
+            this._showCheckbox();
+        else
+            this._showCloseButton();
+    }
+
+    _clickHandler()
+    {
+        if (!this._editing)
+            return;
+
+        this.status.checked = !this.status.checked;
+        this._dispatchEnabledDidChangeEvent();
+    }
+
+    _dispatchEnabledDidChangeEvent()
+    {
+        this.dispatchEventToListeners(WebInspector.TimelineTreeElement.Event.EnabledDidChange);
+    }
+};
+
+WebInspector.TimelineTreeElement.Event = {
+    EnabledDidChange: "timeline-tree-element-enabled-did-change"
+};