Update script to fetch new WebCore IDL

third_party/WebCore/Modules/webaudio/AudioParam.idl

+/*
+ * Copyright (C) 2010 Google 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.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE 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 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.
+ */
+
+module webaudio {
+    interface [
+        Conditional=WEB_AUDIO
+    ] AudioParam {
+        attribute float value;
+        readonly attribute float minValue;
+        readonly attribute float maxValue;
+        readonly attribute float defaultValue;
+
+        readonly attribute DOMString name;
+
+        // FIXME: Could define units constants here (seconds, decibels, cents, etc.)...
+        readonly attribute unsigned short units;
+
+        // Parameter automation.
+        void setValueAtTime(in float value, in float time);
+        void linearRampToValueAtTime(in float value, in float time);
+        void exponentialRampToValueAtTime(in float value, in float time);
+
+        // Exponentially approach the target value with a rate having the given time constant.
+        void setTargetValueAtTime(in float targetValue, in float time, in float timeConstant);
+
+        // Sets an array of arbitrary parameter values starting at time for the given duration.
+        // The number of values will be scaled to fit into the desired duration.
+        void setValueCurveAtTime(in Float32Array values, in float time, in float duration);
+
+        // Cancels all scheduled parameter changes with times greater than or equal to startTime.
+        void cancelScheduledValues(in float startTime);
+    };
+}