Extract OpaqueNodeMethods to own file

8 files changed, 76 insertions, 62 deletions

diff --git a/components/layout/construct.rs b/components/layout/construct.rs
index b2ea8090ea6..5b691cef5cc 100644
--- a/components/layout/construct.rs
+++ b/components/layout/construct.rs
@@ -41,7 +41,8 @@ use table_rowgroup::TableRowGroupFlow;
 use table_row::TableRowFlow;
 use table_cell::TableCellFlow;
 use text::TextRunScanner;
-use util::{HAS_NEWLY_CONSTRUCTED_FLOW, LayoutDataAccess, OpaqueNodeMethods, LayoutDataWrapper};
+use util::{HAS_NEWLY_CONSTRUCTED_FLOW, LayoutDataAccess, LayoutDataWrapper};
+use opaque_node::OpaqueNodeMethods;
 use wrapper::{PostorderNodeMutTraversal, PseudoElementType, TLayoutNode, ThreadSafeLayoutNode};
 
 use gfx::display_list::OpaqueNode;
diff --git a/components/layout/display_list_builder.rs b/components/layout/display_list_builder.rs
index 039dbc9c376..7c56c574581 100644
--- a/components/layout/display_list_builder.rs
+++ b/components/layout/display_list_builder.rs
@@ -19,7 +19,8 @@ use fragment::{ScannedTextFragmentInfo, SpecificFragmentInfo};
 use inline::InlineFlow;
 use list_item::ListItemFlow;
 use model;
-use util::{OpaqueNodeMethods, ToGfxColor};
+use util::ToGfxColor;
+use opaque_node::OpaqueNodeMethods;
 
 use geom::{Point2D, Rect, Size2D, SideOffsets2D};
 use gfx::color;
diff --git a/components/layout/fragment.rs b/components/layout/fragment.rs
index 26a91139b31..ed6e3920f88 100644
--- a/components/layout/fragment.rs
+++ b/components/layout/fragment.rs
@@ -20,7 +20,7 @@ use layout_debug;
 use model::{IntrinsicISizes, IntrinsicISizesContribution, MaybeAuto, specified};
 use model;
 use text;
-use util::OpaqueNodeMethods;
+use opaque_node::OpaqueNodeMethods;
 use wrapper::{TLayoutNode, ThreadSafeLayoutNode};
 
 use geom::num::Zero;
diff --git a/components/layout/layout_task.rs b/components/layout/layout_task.rs
index ca321f23526..6e7886cbecb 100644
--- a/components/layout/layout_task.rs
+++ b/components/layout/layout_task.rs
@@ -17,7 +17,8 @@ use incremental::{LayoutDamageComputation, REFLOW, REFLOW_ENTIRE_DOCUMENT, REPAI
 use layout_debug;
 use parallel::{self, UnsafeFlow};
 use sequential;
-use util::{LayoutDataAccess, LayoutDataWrapper, OpaqueNodeMethods, ToGfxColor};
+use util::{LayoutDataAccess, LayoutDataWrapper, ToGfxColor};
+use opaque_node::OpaqueNodeMethods;
 use wrapper::{LayoutNode, TLayoutNode, ThreadSafeLayoutNode};
 
 use encoding::EncodingRef;
diff --git a/components/layout/lib.rs b/components/layout/lib.rs
index 837945eff81..e34704b5039 100644
--- a/components/layout/lib.rs
+++ b/components/layout/lib.rs
@@ -70,6 +70,7 @@ pub mod layout_task;
 pub mod inline;
 pub mod list_item;
 pub mod model;
+pub mod opaque_node;
 pub mod parallel;
 pub mod sequential;
 pub mod table_wrapper;
diff --git a/components/layout/opaque_node.rs b/components/layout/opaque_node.rs
new file mode 100644
index 00000000000..e40538251de
--- /dev/null
+++ b/components/layout/opaque_node.rs
@@ -0,0 +1,63 @@
+/* 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/. */
+
+#![allow(unsafe_blocks)]
+
+use gfx::display_list::OpaqueNode;
+use libc::{c_void, uintptr_t};
+use script::dom::bindings::js::LayoutJS;
+use script::dom::node::Node;
+use script::layout_interface::{TrustedNodeAddress};
+use script_traits::UntrustedNodeAddress;
+use wrapper::{LayoutNode, TLayoutNode, ThreadSafeLayoutNode};
+
+pub trait OpaqueNodeMethods {
+    /// Converts a DOM node (layout view) to an `OpaqueNode`.
+    fn from_layout_node(node: &LayoutNode) -> Self;
+
+    /// Converts a thread-safe DOM node (layout view) to an `OpaqueNode`.
+    fn from_thread_safe_layout_node(node: &ThreadSafeLayoutNode) -> Self;
+
+    /// Converts a DOM node (script view) to an `OpaqueNode`.
+    fn from_script_node(node: TrustedNodeAddress) -> Self;
+
+    /// Converts a DOM node to an `OpaqueNode'.
+    fn from_jsmanaged(node: &LayoutJS<Node>) -> Self;
+
+    /// Converts this node to an `UntrustedNodeAddress`. An `UntrustedNodeAddress` is just the type
+    /// of node that script expects to receive in a hit test.
+    fn to_untrusted_node_address(&self) -> UntrustedNodeAddress;
+}
+
+impl OpaqueNodeMethods for OpaqueNode {
+    fn from_layout_node(node: &LayoutNode) -> OpaqueNode {
+        unsafe {
+            OpaqueNodeMethods::from_jsmanaged(node.get_jsmanaged())
+        }
+    }
+
+    fn from_thread_safe_layout_node(node: &ThreadSafeLayoutNode) -> OpaqueNode {
+        unsafe {
+            OpaqueNodeMethods::from_jsmanaged(node.get_jsmanaged())
+        }
+    }
+
+    fn from_script_node(node: TrustedNodeAddress) -> OpaqueNode {
+        unsafe {
+            OpaqueNodeMethods::from_jsmanaged(&LayoutJS::from_trusted_node_address(node))
+        }
+    }
+
+    fn from_jsmanaged(node: &LayoutJS<Node>) -> OpaqueNode {
+        unsafe {
+            let ptr: uintptr_t = node.get_jsobject() as uintptr_t;
+            OpaqueNode(ptr)
+        }
+    }
+
+    fn to_untrusted_node_address(&self) -> UntrustedNodeAddress {
+        let OpaqueNode(addr) = *self;
+        UntrustedNodeAddress(addr as *const c_void)
+    }
+}
diff --git a/components/layout/util.rs b/components/layout/util.rs
index 8d4d72e7466..85c0e1a60d9 100644
--- a/components/layout/util.rs
+++ b/components/layout/util.rs
@@ -7,16 +7,12 @@
 use construct::ConstructionResult;
 use incremental::RestyleDamage;
 use parallel::DomParallelInfo;
-use wrapper::{LayoutNode, TLayoutNode, ThreadSafeLayoutNode};
+use wrapper::{LayoutNode, TLayoutNode};
 
 use azure::azure_hl::Color;
-use gfx::display_list::OpaqueNode;
 use gfx;
-use libc::{c_void, uintptr_t};
-use script::dom::bindings::js::LayoutJS;
-use script::dom::node::{Node, SharedLayoutData};
-use script::layout_interface::{LayoutChan, TrustedNodeAddress};
-use script_traits::UntrustedNodeAddress;
+use script::dom::node::SharedLayoutData;
+use script::layout_interface::LayoutChan;
 use std::mem;
 use std::cell::{Ref, RefMut};
 use style::properties::ComputedValues;
@@ -123,56 +119,6 @@ impl<'ln> LayoutDataAccess for LayoutNode<'ln> {
     }
 }
 
-pub trait OpaqueNodeMethods {
-    /// Converts a DOM node (layout view) to an `OpaqueNode`.
-    fn from_layout_node(node: &LayoutNode) -> Self;
-
-    /// Converts a thread-safe DOM node (layout view) to an `OpaqueNode`.
-    fn from_thread_safe_layout_node(node: &ThreadSafeLayoutNode) -> Self;
-
-    /// Converts a DOM node (script view) to an `OpaqueNode`.
-    fn from_script_node(node: TrustedNodeAddress) -> Self;
-
-    /// Converts a DOM node to an `OpaqueNode'.
-    fn from_jsmanaged(node: &LayoutJS<Node>) -> Self;
-
-    /// Converts this node to an `UntrustedNodeAddress`. An `UntrustedNodeAddress` is just the type
-    /// of node that script expects to receive in a hit test.
-    fn to_untrusted_node_address(&self) -> UntrustedNodeAddress;
-}
-
-impl OpaqueNodeMethods for OpaqueNode {
-    fn from_layout_node(node: &LayoutNode) -> OpaqueNode {
-        unsafe {
-            OpaqueNodeMethods::from_jsmanaged(node.get_jsmanaged())
-        }
-    }
-
-    fn from_thread_safe_layout_node(node: &ThreadSafeLayoutNode) -> OpaqueNode {
-        unsafe {
-            OpaqueNodeMethods::from_jsmanaged(node.get_jsmanaged())
-        }
-    }
-
-    fn from_script_node(node: TrustedNodeAddress) -> OpaqueNode {
-        unsafe {
-            OpaqueNodeMethods::from_jsmanaged(&LayoutJS::from_trusted_node_address(node))
-        }
-    }
-
-    fn from_jsmanaged(node: &LayoutJS<Node>) -> OpaqueNode {
-        unsafe {
-            let ptr: uintptr_t = node.get_jsobject() as uintptr_t;
-            OpaqueNode(ptr)
-        }
-    }
-
-    fn to_untrusted_node_address(&self) -> UntrustedNodeAddress {
-        let OpaqueNode(addr) = *self;
-        UntrustedNodeAddress(addr as *const c_void)
-    }
-}
-
 /// Allows a CSS color to be converted into a graphics color.
 pub trait ToGfxColor {
     /// Converts a CSS color to a graphics color.
diff --git a/components/layout/wrapper.rs b/components/layout/wrapper.rs
index 54f341d1d09..87216585d04 100644
--- a/components/layout/wrapper.rs
+++ b/components/layout/wrapper.rs
@@ -36,8 +36,9 @@ use canvas::canvas_paint_task::CanvasMsg;
 use context::SharedLayoutContext;
 use css::node_style::StyledNode;
 use incremental::RestyleDamage;
-use util::{LayoutDataAccess, LayoutDataFlags, LayoutDataWrapper, OpaqueNodeMethods};
+use util::{LayoutDataAccess, LayoutDataFlags, LayoutDataWrapper};
 use util::{PrivateLayoutData};
+use opaque_node::OpaqueNodeMethods;
 
 use cssparser::RGBA;
 use gfx::display_list::OpaqueNode;