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compositing: Don't translate points to layer space when using WebRender.

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This makes mouse events take the same code path, regardless of whether
WebRender is in use or not. This approach enables accurate
display-list-based hit testing when WebRender is in use.

Closes #11108.
This commit is contained in:
Patrick Walton 2016-05-31 23:23:47 -07:00
parent e8cf789fc5
commit 9a9762fc95
1 changed files with 21 additions and 27 deletions
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48
components/compositing/compositor.rs
View file

@ -1387,31 +1387,27 @@ impl<Window: WindowMethods> IOCompositor<Window> {
MouseWindowEvent::MouseUp(_, p) => p,
};
if let Some(ref webrender_api) = self.webrender_api {
if self.webrender_api.is_some() {
let root_pipeline_id = match self.get_root_pipeline_id() {
Some(root_pipeline_id) => root_pipeline_id,
None => return,
};
if self.pipeline(root_pipeline_id).is_none() {
return;
}
let (translated_point, translated_pipeline_id) =
webrender_api.translate_point_to_layer_space(&point.to_untyped());
let event_to_send = match mouse_window_event {
MouseWindowEvent::Click(button, _) => {
MouseButtonEvent(MouseEventType::Click, button, translated_point)
}
MouseWindowEvent::MouseDown(button, _) => {
MouseButtonEvent(MouseEventType::MouseDown, button, translated_point)
}
MouseWindowEvent::MouseUp(button, _) => {
MouseButtonEvent(MouseEventType::MouseUp, button, translated_point)
}
};
let translated_pipeline_id = translated_pipeline_id.from_webrender();
let msg = ConstellationControlMsg::SendEvent(translated_pipeline_id, event_to_send);
if let Some(pipeline) = self.pipeline(translated_pipeline_id) {
if let Some(pipeline) = self.pipeline(root_pipeline_id) {
let dppx = self.page_zoom * self.device_pixels_per_screen_px();
let translated_point = (point / dppx).to_untyped();
let event_to_send = match mouse_window_event {
MouseWindowEvent::Click(button, _) => {
MouseButtonEvent(MouseEventType::Click, button, translated_point)
}
MouseWindowEvent::MouseDown(button, _) => {
MouseButtonEvent(MouseEventType::MouseDown, button, translated_point)
}
MouseWindowEvent::MouseUp(button, _) => {
MouseButtonEvent(MouseEventType::MouseUp, button, translated_point)
}
};
let msg = ConstellationControlMsg::SendEvent(root_pipeline_id, event_to_send);
if let Err(e) = pipeline.script_chan.send(msg) {
warn!("Sending control event to script failed ({}).", e);
}
@ -1431,7 +1427,7 @@ impl<Window: WindowMethods> IOCompositor<Window> {
return
}
if let Some(ref webrender_api) = self.webrender_api {
if self.webrender_api.is_some() {
let root_pipeline_id = match self.get_root_pipeline_id() {
Some(root_pipeline_id) => root_pipeline_id,
None => return,
@ -1440,12 +1436,10 @@ impl<Window: WindowMethods> IOCompositor<Window> {
return;
}
let (translated_point, translated_pipeline_id) =
webrender_api.translate_point_to_layer_space(&cursor.to_untyped());
let translated_pipeline_id = translated_pipeline_id.from_webrender();
let event_to_send = MouseMoveEvent(Some(translated_point));
let msg = ConstellationControlMsg::SendEvent(translated_pipeline_id, event_to_send);
if let Some(pipeline) = self.pipeline(translated_pipeline_id) {
let dppx = self.page_zoom * self.device_pixels_per_screen_px();
let event_to_send = MouseMoveEvent(Some((cursor / dppx).to_untyped()));
let msg = ConstellationControlMsg::SendEvent(root_pipeline_id, event_to_send);
if let Some(pipeline) = self.pipeline(root_pipeline_id) {
if let Err(e) = pipeline.script_chan.send(msg) {
warn!("Sending mouse control event to script failed ({}).", e);
}