Remove usage of the deprecated std::num::Zero trait.

components/compositing/compositor.rs

@@ -14,7 +14,6 @@ use windowing::{MouseWindowEvent, WindowEvent, WindowMethods, WindowNavigateMsg}
 use azure::azure_hl;
 use std::cmp;
 use std::mem;
-use std::num::Zero;
 use geom::point::{Point2D, TypedPoint2D};
 use geom::rect::{Rect, TypedRect};
 use geom::size::TypedSize2D;
@@ -176,7 +175,7 @@ impl<Window: WindowMethods> IOCompositor<Window> {
             context: None,
             root_pipeline: None,
             scene: Scene::new(Rect {
-                origin: Zero::zero(),
+                origin: Point2D::zero(),
                 size: window_size.as_f32(),
             }),
             window_size: window_size,
@@ -1027,7 +1026,7 @@ impl<Window: WindowMethods> IOCompositor<Window> {
             debug!("compositor: compositing");
             // Adjust the layer dimensions as necessary to correspond to the size of the window.
             self.scene.viewport = Rect {
-                origin: Zero::zero(),
+                origin: Point2D::zero(),
                 size: self.window_size.as_f32(),
             };
             // paint the scene.
@@ -1121,7 +1120,7 @@ impl<Window: WindowMethods> IOCompositor<Window> {
         };
 
         let clip_rect_for_children = if masks_to_bounds {
-            Rect(Zero::zero(), clipped_layer_bounds.size)
+            Rect(Point2D::zero(), clipped_layer_bounds.size)
         } else {
             clipped_layer_bounds.translate(&clip_rect.origin)
         };

components/gfx/paint_context.rs

@@ -29,7 +29,7 @@ use servo_util::geometry::{Au, MAX_RECT};
 use servo_util::opts;
 use servo_util::range::Range;
 use std::default::Default;
-use std::num::{Float, FloatMath, Zero};
+use std::num::{Float, FloatMath};
 use std::ptr;
 use style::computed_values::border_style;
 use sync::Arc;
@@ -666,7 +666,7 @@ impl<'a> PaintContext<'a> {
                 self.draw_target.set_transform(&current_transform.mul(&Matrix2D::new(0., -1.,
                                                                                      1., 0.,
                                                                                      x, y)));
-                Zero::zero()
+                Point2D::zero()
             }
             SidewaysRight => {
                 let x = text.baseline_origin.x.to_subpx() as AzFloat;
@@ -674,7 +674,7 @@ impl<'a> PaintContext<'a> {
                 self.draw_target.set_transform(&current_transform.mul(&Matrix2D::new(0., 1.,
                                                                                      -1., 0.,
                                                                                      x, y)));
-                Zero::zero()
+                Point2D::zero()
             }
         };
 
@@ -988,7 +988,7 @@ impl ScaledFontExtensionMethods for ScaledFont {
         for slice in run.natural_word_slices_in_range(range) {
             for (_i, glyph) in slice.glyphs.iter_glyphs_for_char_range(&slice.range) {
                 let glyph_advance = glyph.advance();
-                let glyph_offset = glyph.offset().unwrap_or(Zero::zero());
+                let glyph_offset = glyph.offset().unwrap_or(Point2D::zero());
                 let azglyph = struct__AzGlyph {
                     mIndex: glyph.id() as uint32_t,
                     mPosition: struct__AzPoint {

components/gfx/text/glyph.rs

@@ -11,7 +11,7 @@ use servo_util::range::{Range, RangeIndex, IntRangeIndex, EachIndex};
 use servo_util::geometry::Au;
 
 use std::cmp::PartialOrd;
-use std::num::{NumCast, Zero};
+use std::num::NumCast;
 use std::mem;
 use std::u16;
 use std::vec::Vec;
@@ -434,7 +434,7 @@ impl GlyphData {
         GlyphData {
             id: id,
             advance: advance,
-            offset: offset.unwrap_or(Zero::zero()),
+            offset: offset.unwrap_or(Point2D::zero()),
             is_missing: is_missing,
             cluster_start: cluster_start,
             ligature_start: ligature_start,
@@ -549,7 +549,7 @@ impl<'a> GlyphStore {
         fn glyph_is_compressible(data: &GlyphData) -> bool {
             is_simple_glyph_id(data.id)
                 && is_simple_advance(data.advance)
-                && data.offset.is_zero()
+                && data.offset == Point2D::zero()
                 && data.cluster_start  // others are stored in detail buffer
         }
 

components/layout/flow.rs

@@ -53,7 +53,6 @@ use servo_util::geometry::Au;
 use servo_util::logical_geometry::WritingMode;
 use servo_util::logical_geometry::{LogicalRect, LogicalSize};
 use std::mem;
-use std::num::Zero;
 use std::fmt;
 use std::iter::Zip;
 use std::raw;
@@ -686,7 +685,7 @@ impl AbsolutePositionInfo {
         // of the root layer.
         AbsolutePositionInfo {
             relative_containing_block_size: LogicalSize::zero(writing_mode),
-            stacking_relative_position_of_absolute_containing_block: Zero::zero(),
+            stacking_relative_position_of_absolute_containing_block: Point2D::zero(),
             layers_needed_for_positioned_flows: false,
         }
     }
@@ -902,7 +901,7 @@ impl BaseFlow {
             parallel: FlowParallelInfo::new(),
             floats: Floats::new(writing_mode),
             collapsible_margins: CollapsibleMargins::new(),
-            stacking_relative_position: Zero::zero(),
+            stacking_relative_position: Point2D::zero(),
             abs_descendants: Descendants::new(),
             absolute_static_i_offset: Au(0),
             fixed_static_i_offset: Au(0),
@@ -911,7 +910,7 @@ impl BaseFlow {
             absolute_cb: ContainingBlockLink::new(),
             display_list_building_result: DisplayListBuildingResult::None,
             absolute_position_info: AbsolutePositionInfo::new(writing_mode),
-            clip_rect: Rect(Zero::zero(), Size2D(Au(0), Au(0))),
+            clip_rect: Rect(Point2D::zero(), Size2D::zero()),
             flags: flags,
             writing_mode: writing_mode,
         }

components/layout/inline.rs

@@ -33,7 +33,6 @@ use servo_util::arc_ptr_eq;
 use std::cmp::max;
 use std::fmt;
 use std::mem;
-use std::num;
 use std::u16;
 use style::computed_values::{text_align, vertical_align, white_space};
 use style::ComputedValues;
@@ -211,7 +210,7 @@ impl LineBreaker {
 
     /// Reinitializes the pending line to blank data.
     fn reset_line(&mut self) {
-        self.pending_line.range.reset(num::zero(), num::zero());
+        self.pending_line.range.reset(FragmentIndex(0), FragmentIndex(0));
         self.pending_line.bounds = LogicalRect::new(self.floats.writing_mode,
                                                     Au(0),
                                                     self.cur_b,
@@ -632,7 +631,7 @@ impl LineBreaker {
         if self.pending_line_is_empty() {
             assert!(self.new_fragments.len() <= (u16::MAX as uint));
             self.pending_line.range.reset(FragmentIndex(self.new_fragments.len() as int),
-                                          num::zero());
+                                          FragmentIndex(0));
         }
 
         self.pending_line.range.extend_by(FragmentIndex(1));
@@ -655,7 +654,7 @@ impl LineBreaker {
 
     /// Returns true if the pending line is empty and false otherwise.
     fn pending_line_is_empty(&self) -> bool {
-        self.pending_line.range.length() == num::zero()
+        self.pending_line.range.length() == FragmentIndex(0)
     }
 }
 

components/servo/Cargo.lock

@@ -247,7 +247,7 @@ source = "git+https://github.com/alexcrichton/gcc-rs#903e8f8a2e3766ad3d514404d45
 [[package]]
 name = "geom"
 version = "0.1.0"
-source = "git+https://github.com/servo/rust-geom#95e746133b4a35b53eb259304668b63ee8de42b8"
+source = "git+https://github.com/servo/rust-geom#5e52790076fc238a395d1777c4280fa46a1555fa"
 
 [[package]]
 name = "gfx"
@@ -425,7 +425,7 @@ source = "git+https://github.com/bjz/gl-rs.git#c76c23fc9a0dae824b45550d4b823cdb7
 [[package]]
 name = "layers"
 version = "0.1.0"
-source = "git+https://github.com/servo/rust-layers#5fbdc521b82296e325d2df13fce8026c727c01d2"
+source = "git+https://github.com/servo/rust-layers#21798aac4de6bfd800836f419dd5b6a308edcaa4"
 dependencies = [
  "cgl 0.0.1 (git+https://github.com/servo/rust-cgl)",
  "core_foundation 0.1.0 (git+https://github.com/servo/rust-core-foundation)",

components/util/geometry.rs

@@ -6,11 +6,12 @@ use geom::length::Length;
 use geom::point::Point2D;
 use geom::rect::Rect;
 use geom::size::Size2D;
+use geom::num::Zero;
 
 use serialize::{Encodable, Encoder};
 use std::default::Default;
 use std::i32;
-use std::num::{Float, NumCast, Zero};
+use std::num::{Float, NumCast};
 use std::fmt;
 
 // Units for use with geom::length and geom::scale_factor.
@@ -64,7 +65,7 @@ pub enum PagePx {}
 // See https://bugzilla.mozilla.org/show_bug.cgi?id=177805 for more info.
 //
 // FIXME: Implement Au using Length and ScaleFactor instead of a custom type.
-#[deriving(Clone, Hash, PartialEq, PartialOrd, Eq, Ord, Zero)]
+#[deriving(Clone, Hash, PartialEq, PartialOrd, Eq, Ord)]
 pub struct Au(pub i32);
 
 impl Default for Au {
@@ -74,6 +75,13 @@ impl Default for Au {
     }
 }
 
+impl Zero for Au {
+    #[inline]
+    fn zero() -> Au {
+        Au(0)
+    }
+}
+
 pub static ZERO_POINT: Point2D<Au> = Point2D {
     x: Au(0),
     y: Au(0),

components/util/logical_geometry.rs

@@ -5,9 +5,9 @@
 //! Geometry in flow-relative space.
 
 use geom::{Size2D, Point2D, SideOffsets2D, Rect};
+use geom::num::Zero;
 use std::cmp::{min, max};
 use std::fmt::{Show, Formatter, FormatError};
-use std::num::Zero;
 
 bitflags!(
     #[deriving(Encodable)]
@@ -158,11 +158,6 @@ impl<T: Zero> LogicalSize<T> {
             debug_writing_mode: DebugWritingMode::new(mode),
         }
     }
-
-    #[inline]
-    pub fn is_zero(&self) -> bool {
-        self.inline.is_zero() && self.block.is_zero()
-    }
 }
 
 impl<T: Copy> LogicalSize<T> {
@@ -295,11 +290,6 @@ impl<T: Zero> LogicalPoint<T> {
             debug_writing_mode: DebugWritingMode::new(mode),
         }
     }
-
-    #[inline]
-    pub fn is_zero(&self) -> bool {
-        self.i.is_zero() && self.b.is_zero()
-    }
 }
 
 impl<T: Copy> LogicalPoint<T> {
@@ -476,14 +466,6 @@ impl<T: Zero> LogicalMargin<T> {
             debug_writing_mode: DebugWritingMode::new(mode),
         }
     }
-
-    #[inline]
-    pub fn is_zero(&self) -> bool {
-        self.block_start.is_zero() &&
-        self.inline_end.is_zero() &&
-        self.block_end.is_zero() &&
-        self.inline_start.is_zero()
-    }
 }
 
 impl<T: Copy> LogicalMargin<T> {
@@ -666,6 +648,14 @@ impl<T: Copy> LogicalMargin<T> {
     }
 }
 
+impl<T: PartialEq + Zero> LogicalMargin<T> {
+    #[inline]
+    pub fn is_zero(&self) -> bool {
+        self.block_start == Zero::zero() && self.inline_end == Zero::zero() &&
+        self.block_end == Zero::zero() && self.inline_start == Zero::zero()
+    }
+}
+
 impl<T: Add<T, T>> LogicalMargin<T> {
     #[inline]
     pub fn inline_start_end(&self) -> T {
@@ -756,11 +746,6 @@ impl<T: Zero> LogicalRect<T> {
             debug_writing_mode: DebugWritingMode::new(mode),
         }
     }
-
-    #[inline]
-    pub fn is_zero(&self) -> bool {
-        self.start.is_zero() && self.size.is_zero()
-    }
 }
 
 impl<T: Copy> LogicalRect<T> {

ports/cef/Cargo.lock

@@ -243,7 +243,7 @@ source = "git+https://github.com/alexcrichton/gcc-rs#903e8f8a2e3766ad3d514404d45
 [[package]]
 name = "geom"
 version = "0.1.0"
-source = "git+https://github.com/servo/rust-geom#95e746133b4a35b53eb259304668b63ee8de42b8"
+source = "git+https://github.com/servo/rust-geom#5e52790076fc238a395d1777c4280fa46a1555fa"
 
 [[package]]
 name = "gfx"
@@ -393,7 +393,7 @@ source = "git+https://github.com/bjz/gl-rs.git#c76c23fc9a0dae824b45550d4b823cdb7
 [[package]]
 name = "layers"
 version = "0.1.0"
-source = "git+https://github.com/servo/rust-layers#5fbdc521b82296e325d2df13fce8026c727c01d2"
+source = "git+https://github.com/servo/rust-layers#21798aac4de6bfd800836f419dd5b6a308edcaa4"
 dependencies = [
  "cgl 0.0.1 (git+https://github.com/servo/rust-cgl)",
  "core_foundation 0.1.0 (git+https://github.com/servo/rust-core-foundation)",

ports/gonk/Cargo.lock

@@ -207,7 +207,7 @@ source = "git+https://github.com/alexcrichton/gcc-rs#d35c34c871dd75f97fadf04cb0e
 [[package]]
 name = "geom"
 version = "0.1.0"
-source = "git+https://github.com/servo/rust-geom#e5e74911ac6d3201009879b72499d6c681302611"
+source = "git+https://github.com/servo/rust-geom#5e52790076fc238a395d1777c4280fa46a1555fa"
 
 [[package]]
 name = "gfx"
@@ -329,7 +329,7 @@ source = "git+https://github.com/bjz/gl-rs.git#79cd3b3f9f19aa0e39f6af572fc8673a6
 [[package]]
 name = "layers"
 version = "0.1.0"
-source = "git+https://github.com/servo/rust-layers#b068d2a96d54bf173b548aece36f5ea4ef9353cf"
+source = "git+https://github.com/servo/rust-layers#21798aac4de6bfd800836f419dd5b6a308edcaa4"
 dependencies = [
  "cgl 0.0.1 (git+https://github.com/servo/rust-cgl)",
  "core_foundation 0.1.0 (git+https://github.com/servo/rust-core-foundation)",
@@ -410,6 +410,7 @@ dependencies = [
  "hyper 0.0.1 (git+https://github.com/servo/hyper?ref=servo)",
  "io_surface 0.1.0 (git+https://github.com/servo/rust-io-surface)",
  "layers 0.1.0 (git+https://github.com/servo/rust-layers)",
+ "style 0.0.1",
  "url 0.1.0 (git+https://github.com/servo/rust-url)",
  "util 0.0.1",
 ]