compositor: Make input event handling per-WebView (#35716)

This is another step in the move to having a per-WebView renderer. In
this step event handling is made per-WebView. Most events sent to Servo
are sent via the WebView API already, so this just moves more event
handling code to the per-WebView render portion of the compositor.

- ServoRenderer is given shared ownership and interior mutability as
  it is now shared among all WebView(Renderers).
- Some messages coming from other parts of Servo must now carry a
  WebViewId as well so that they can be associated with a particular
  WebView.
- There needs to be some reorganization of `ServoRenderer` in order to
  avoid issues with double borrow of `RefCells`.

Signed-off-by: Delan Azabani <dazabani@igalia.com>
Co-authored-by: Martin Robinson <mrobinson@igalia.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/components/webdriver_server/actions.rs b/components/webdriver_server/actions.rs
index 8e3f6751101..0c5f24cac85 100644
--- a/components/webdriver_server/actions.rs
+++ b/components/webdriver_server/actions.rs
@@ -279,6 +279,7 @@ impl Handler {
 
         let button = (action.button as u16).into();
         let cmd_msg = WebDriverCommandMsg::MouseButtonAction(
+            session.top_level_browsing_context_id,
             MouseButtonAction::Down,
             button,
             pointer_input_state.x as f32,
@@ -325,6 +326,7 @@ impl Handler {
 
         let button = (action.button as u16).into();
         let cmd_msg = WebDriverCommandMsg::MouseButtonAction(
+            session.top_level_browsing_context_id,
             MouseButtonAction::Up,
             button,
             pointer_input_state.x as f32,
@@ -469,7 +471,11 @@ impl Handler {
             // Step 7
             if x != current_x || y != current_y {
                 // Step 7.2
-                let cmd_msg = WebDriverCommandMsg::MouseMoveAction(x as f32, y as f32);
+                let cmd_msg = WebDriverCommandMsg::MouseMoveAction(
+                    session.top_level_browsing_context_id,
+                    x as f32,
+                    y as f32,
+                );
                 self.constellation_chan
                     .send(ConstellationMsg::WebDriverCommand(cmd_msg))
                     .unwrap();