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This is implement Hover Event. If over element, currently full reflow. after PR, will make partial reflow.

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This commit is contained in:
HyunJune Kim 2014-02-05 18:01:13 +09:00
parent d2f8b593a9
commit c8d503898a
14 changed files with 171 additions and 20 deletions
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77
src/components/script/script_task.rs
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@ -9,7 +9,7 @@ use dom::bindings::codegen::RegisterBindings;
use dom::bindings::utils::{Reflectable, GlobalStaticData};
use dom::document::AbstractDocument;
use dom::element::Element;
use dom::event::{Event_, ResizeEvent, ReflowEvent, ClickEvent, MouseDownEvent, MouseUpEvent, MouseMoveEvent};
use dom::event::{Event_, ResizeEvent, ReflowEvent, ClickEvent, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
use dom::event::Event;
use dom::eventtarget::AbstractEventTarget;
use dom::htmldocument::HTMLDocument;
@ -20,7 +20,7 @@ use html::hubbub_html_parser::{HtmlDiscoveredStyle, HtmlDiscoveredIFrame, HtmlDi
use html::hubbub_html_parser;
use layout_interface::{AddStylesheetMsg, DocumentDamage};
use layout_interface::{ContentBoxQuery, ContentBoxResponse};
use layout_interface::{DocumentDamageLevel, HitTestQuery, HitTestResponse, LayoutQuery};
use layout_interface::{DocumentDamageLevel, HitTestQuery, HitTestResponse, LayoutQuery, MouseOverQuery, MouseOverResponse};
use layout_interface::{LayoutChan, MatchSelectorsDocumentDamage, QueryMsg};
use layout_interface::{Reflow, ReflowDocumentDamage, ReflowForDisplay, ReflowGoal, ReflowMsg};
use layout_interface::ContentChangedDocumentDamage;
@ -405,6 +405,8 @@ pub struct ScriptTask {
/// The JavaScript runtime.
js_runtime: js::rust::rt,
mouse_over_targets:Option<~[AbstractNode]>
}
/// Returns the relevant page from the associated JS Context.
@ -440,6 +442,7 @@ impl ScriptTask {
compositor: compositor,
js_runtime: js_runtime,
mouse_over_targets:None
};
script_task
@ -882,7 +885,75 @@ impl ScriptTask {
}
MouseDownEvent(..) => {}
MouseUpEvent(..) => {}
MouseMoveEvent(point) => {}
MouseMoveEvent(point) => {
let document = page.frame.expect("root frame is None").document;
let root = document.document().GetDocumentElement();
if root.is_none() {
return;
}
let (port, chan) = Chan::new();
match page.query_layout(MouseOverQuery(root.unwrap(), point, chan), port) {
Ok(MouseOverResponse(node_address)) => {
let mut target_list:~[AbstractNode] = ~[];
let mut target_compare = false;
match self.mouse_over_targets {
Some(ref mut mouse_over_targets) => {
for node in mouse_over_targets.iter() {
node.set_hover_state(false);
}
}
None => {}
}
for node_address in node_address.iter() {
let mut node = AbstractNode::from_untrusted_node_address(self.js_runtime
.ptr,
*node_address);
// Traverse node generations until a node that is an element is
// found.
while !node.is_element() {
match node.parent_node() {
Some(parent) => node = parent,
None => break,
}
}
if node.is_element() {
node.set_hover_state(true);
match self.mouse_over_targets {
Some(ref mouse_over_targets) => {
if !target_compare {
target_compare = !mouse_over_targets.contains(&node);
}
}
None => {}
}
target_list.push(node);
}
}
match self.mouse_over_targets {
Some(ref mouse_over_targets) => {
if mouse_over_targets.len() != target_list.len() {
target_compare = true;
}
}
None => { target_compare = true; }
}
if target_compare {
if self.mouse_over_targets.is_some() {
page.damage(MatchSelectorsDocumentDamage);
page.reflow(ReflowForDisplay, self.chan.clone(), self.compositor);
}
self.mouse_over_targets = Some(target_list);
}
},
Err(()) => {},
}
}
}
}