Initial WebAudio API stubs

1 files changed, 66 insertions, 0 deletions

diff --git a/components/script/dom/audioparam.rs b/components/script/dom/audioparam.rs
new file mode 100644
index 00000000000..1b42af0a4e5
--- /dev/null
+++ b/components/script/dom/audioparam.rs
@@ -0,0 +1,66 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::codegen::Bindings::AudioParamBinding;
+use dom::bindings::codegen::Bindings::AudioParamBinding::AudioParamMethods;
+use dom::bindings::num::Finite;
+use dom::bindings::reflector::{Reflector, reflect_dom_object};
+use dom::bindings::root::DomRoot;
+use dom::globalscope::GlobalScope;
+use dom_struct::dom_struct;
+use std::cell::Cell;
+
+#[dom_struct]
+pub struct AudioParam {
+    reflector_: Reflector,
+    value: Cell<f32>,
+    default_value: f32,
+    min_value: f32,
+    max_value: f32,
+}
+
+impl AudioParam {
+    pub fn new_inherited(default_value: f32,
+                         min_value: f32,
+                         max_value: f32) -> AudioParam {
+        AudioParam {
+            reflector_: Reflector::new(),
+            value: Cell::new(default_value),
+            default_value,
+            min_value,
+            max_value,
+        }
+    }
+
+    #[allow(unrooted_must_root)]
+    pub fn new(global: &GlobalScope,
+               default_value: f32,
+               min_value: f32,
+               max_value: f32) -> DomRoot<AudioParam> {
+        let audio_param = AudioParam::new_inherited(default_value, min_value, max_value);
+        reflect_dom_object(Box::new(audio_param), global, AudioParamBinding::Wrap)
+    }
+}
+
+impl AudioParamMethods for AudioParam {
+    fn Value(&self) -> Finite<f32> {
+        Finite::wrap(self.value.get())
+    }
+
+    fn SetValue(&self, value: Finite<f32>) {
+        self.value.set(*value);
+    }
+
+    fn DefaultValue(&self) -> Finite<f32> {
+        Finite::wrap(self.default_value)
+    }
+
+    fn MinValue(&self) -> Finite<f32> {
+        Finite::wrap(self.min_value)
+    }
+
+    fn MaxValue(&self) -> Finite<f32> {
+        Finite::wrap(self.max_value)
+    }
+}