Add bindings for TouchEvent DOM interfaces

components/script/dom/touch.rs

@@ -0,0 +1,80 @@
+/* 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::TouchBinding;
+use dom::bindings::codegen::Bindings::TouchBinding::TouchMethods;
+use dom::bindings::global::GlobalRef;
+use dom::bindings::js::{JS, MutHeap, Root};
+use dom::bindings::num::Finite;
+use dom::bindings::utils::{Reflector, reflect_dom_object};
+use dom::eventtarget::EventTarget;
+use dom::window::Window;
+
+#[dom_struct]
+pub struct Touch {
+    reflector_: Reflector,
+    identifier: i32,
+    target: MutHeap<JS<EventTarget>>,
+    screen_x: f64,
+    screen_y: f64,
+    client_x: f64,
+    client_y: f64,
+}
+
+impl Touch {
+    fn new_inherited(identifier: i32, target: &EventTarget,
+                     screen_x: Finite<f64>, screen_y: Finite<f64>,
+                     client_x: Finite<f64>, client_y: Finite<f64>) -> Touch {
+        Touch {
+            reflector_: Reflector::new(),
+            identifier: identifier,
+            target: MutHeap::new(target),
+            screen_x: *screen_x,
+            screen_y: *screen_y,
+            client_x: *client_x,
+            client_y: *client_y,
+        }
+    }
+
+    pub fn new(window: &Window, identifier: i32, target: &EventTarget,
+              screen_x: Finite<f64>, screen_y: Finite<f64>,
+              client_x: Finite<f64>, client_y: Finite<f64>) -> Root<Touch> {
+        reflect_dom_object(box Touch::new_inherited(identifier, target,
+                                                    screen_x, screen_y,
+                                                    client_x, client_y),
+                           GlobalRef::Window(window), TouchBinding::Wrap)
+    }
+}
+
+impl TouchMethods for Touch {
+    /// https://w3c.github.io/touch-events/#widl-Touch-identifier
+    fn Identifier(&self) -> i32 {
+        self.identifier
+    }
+
+    /// https://w3c.github.io/touch-events/#widl-Touch-target
+    fn Target(&self) -> Root<EventTarget> {
+        self.target.get()
+    }
+
+    /// https://w3c.github.io/touch-events/#widl-Touch-screenX
+    fn ScreenX(&self) -> Finite<f64> {
+        Finite::wrap(self.screen_x)
+    }
+
+    /// https://w3c.github.io/touch-events/#widl-Touch-screenY
+    fn ScreenY(&self) -> Finite<f64> {
+        Finite::wrap(self.screen_y)
+    }
+
+    /// https://w3c.github.io/touch-events/#widl-Touch-clientX
+    fn ClientX(&self) -> Finite<f64> {
+        Finite::wrap(self.client_x)
+    }
+
+    /// https://w3c.github.io/touch-events/#widl-Touch-clientY
+    fn ClientY(&self) -> Finite<f64> {
+        Finite::wrap(self.client_y)
+    }
+}