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Pass all the data layout needs from canvas elements at once.

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This commit is contained in:
Ms2ger 2015-10-26 11:43:23 +01:00
parent a5a4ef7d70
commit b1f4bf617d
4 changed files with 40 additions and 68 deletions
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3
components/layout/construct.rs
View file

@ -327,7 +327,8 @@ impl<'a> FlowConstructor<'a> {
}
Some(NodeTypeId::Element(ElementTypeId::HTMLElement(
HTMLElementTypeId::HTMLCanvasElement))) => {
SpecificFragmentInfo::Canvas(box CanvasFragmentInfo::new(node))
let data = node.canvas_data().unwrap();
SpecificFragmentInfo::Canvas(box CanvasFragmentInfo::new(node, data))
}
_ => {
// This includes pseudo-elements.

11
components/layout/fragment.rs
View file

@ -28,6 +28,7 @@ use msg::constellation_msg::PipelineId;
use net_traits::image::base::Image;
use net_traits::image_cache_task::UsePlaceholder;
use rustc_serialize::{Encodable, Encoder};
use script::dom::htmlcanvaselement::HTMLCanvasData;
use std::borrow::ToOwned;
use std::cmp::{max, min};
use std::collections::LinkedList;
@ -308,13 +309,13 @@ pub struct CanvasFragmentInfo {
}
impl CanvasFragmentInfo {
pub fn new(node: &ThreadSafeLayoutNode) -> CanvasFragmentInfo {
pub fn new(node: &ThreadSafeLayoutNode, data: HTMLCanvasData) -> CanvasFragmentInfo {
CanvasFragmentInfo {
replaced_image_fragment_info: ReplacedImageFragmentInfo::new(node,
Some(Au::from_px(node.canvas_width() as i32)),
Some(Au::from_px(node.canvas_height() as i32))),
renderer_id: node.canvas_renderer_id(),
ipc_renderer: node.canvas_ipc_renderer()
Some(Au::from_px(data.width as i32)),
Some(Au::from_px(data.height as i32))),
renderer_id: data.renderer_id,
ipc_renderer: data.ipc_renderer
.map(|renderer| Arc::new(Mutex::new(renderer))),
}
}

29
components/layout/wrapper.rs
View file

@ -30,13 +30,11 @@
#![allow(unsafe_code)]
use canvas_traits::CanvasMsg;
use context::SharedLayoutContext;
use data::{LayoutDataFlags, LayoutDataWrapper, PrivateLayoutData};
use gfx::display_list::OpaqueNode;
use gfx::text::glyph::CharIndex;
use incremental::RestyleDamage;
use ipc_channel::ipc::IpcSender;
use msg::constellation_msg::PipelineId;
use opaque_node::OpaqueNodeMethods;
use script::dom::attr::AttrValue;
@ -47,7 +45,7 @@ use script::dom::bindings::js::LayoutJS;
use script::dom::characterdata::LayoutCharacterDataHelpers;
use script::dom::element;
use script::dom::element::{Element, LayoutElementHelpers, RawLayoutElementHelpers};
use script::dom::htmlcanvaselement::LayoutHTMLCanvasElementHelpers;
use script::dom::htmlcanvaselement::{LayoutHTMLCanvasElementHelpers, HTMLCanvasData};
use script::dom::htmliframeelement::HTMLIFrameElement;
use script::dom::htmlimageelement::LayoutHTMLImageElementHelpers;
use script::dom::htmlinputelement::{HTMLInputElement, LayoutHTMLInputElementHelpers};
@ -945,31 +943,10 @@ impl<'ln> ThreadSafeLayoutNode<'ln> {
}
}
pub fn canvas_renderer_id(&self) -> Option<usize> {
pub fn canvas_data(&self) -> Option<HTMLCanvasData> {
unsafe {
let canvas_element = self.get_jsmanaged().downcast();
canvas_element.and_then(|elem| elem.get_renderer_id())
}
}
pub fn canvas_ipc_renderer(&self) -> Option<IpcSender<CanvasMsg>> {
unsafe {
let canvas_element = self.get_jsmanaged().downcast();
canvas_element.and_then(|elem| elem.get_ipc_renderer())
}
}
pub fn canvas_width(&self) -> u32 {
unsafe {
let canvas_element = self.get_jsmanaged().downcast();
canvas_element.unwrap().get_canvas_width()
}
}
pub fn canvas_height(&self) -> u32 {
unsafe {
let canvas_element = self.get_jsmanaged().downcast();
canvas_element.unwrap().get_canvas_height()
canvas_element.map(|canvas| canvas.data())
}
}