1 files changed, 73 insertions, 0 deletions
diff --git a/Source/WebCore/Modules/modern-media-controls/controls/seek-button.js b/Source/WebCore/Modules/modern-media-controls/controls/seek-button.js
new file mode 100644
index 000000000..c72c1f165
--- /dev/null
+++ b/Source/WebCore/Modules/modern-media-controls/controls/seek-button.js
@@ -0,0 +1,73 @@
+/*
+ * 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. ``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
+ * 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.
+ */
+
+class SeekButton extends IconButton
+{
+
+    constructor(options)
+    {
+        super(options);
+
+        this.element.addEventListener("mousedown", this);
+    }
+
+    // Protected
+
+    handleEvent(event)
+    {
+        if (event.type === "mousedown" && event.currentTarget === this.element)
+            this._didStartPressing();
+        else if (event.type === "mouseup")
+            this._didStopPressing();
+        else
+            super.handleEvent(event);
+    }
+
+    // Private
+
+    _didStartPressing()
+    {
+        const mediaControls = this.parentOfType(MediaControls);
+        if (!mediaControls)
+            return;
+
+        this._mouseupTarget = mediaControls.element;
+        this._mouseupTarget.addEventListener("mouseup", this, true);
+        this._notifyDelegateOfPressingState(true);
+    }
+
+    _didStopPressing()
+    {
+        this._mouseupTarget.removeEventListener("mouseup", this, true);
+        this._notifyDelegateOfPressingState(false);
+    }
+
+    _notifyDelegateOfPressingState(isPressed)
+    {
+        if (this._enabled && this.uiDelegate && typeof this.uiDelegate.buttonPressedStateDidChange === "function")
+            this.uiDelegate.buttonPressedStateDidChange(this, isPressed);
+    }
+
+}