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54b5c7b632
This is a step toward the renderer-per-WebView goal. It moves various details out of `IOCompositor`. - Image output: This is moved to servoshell as now applications can access the image contents of a `WebView` via `RenderingContext::read_to_image`. Most options for this are moved to `ServoShellPreferences` apart from `wait_for_stable_image` as this requires a specific kind of coordination in the `ScriptThread` that is also very expensive. Instead, paint is now simply delayed until a stable image is reached and `WebView::paint()` returns a boolean. Maybe this can be revisited in the future. - Shutdown: Shutdown is now managed by libservo itself. Shutdown state is shared between the compositor and `Servo` instance. In the future, this sharing might be unecessary. - `CompositeTarget` has been removed entirely. This no longer needs to be passed when creating a Servo instance. Signed-off-by: Martin Robinson <mrobinson@igalia.com> Co-authored-by: Ngo Iok Ui (Wu Yu Wei) <yuweiwu@pm.me>
50 lines
2.2 KiB
Rust
50 lines
2.2 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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/// Log an event from constellation at trace level.
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/// - To disable tracing: RUST_LOG='compositor<constellation@=off'
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/// - To enable tracing: RUST_LOG='compositor<constellation@'
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macro_rules! trace_msg_from_constellation {
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// This macro only exists to put the docs in the same file as the target prefix,
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// so the macro definition is always the same.
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($event:expr, $($rest:tt)+) => {
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::log::trace!(target: $crate::tracing::LogTarget::log_target(&$event), $($rest)+)
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};
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}
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/// Get the log target for an event, as a static string.
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pub(crate) trait LogTarget {
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fn log_target(&self) -> &'static str;
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}
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mod from_constellation {
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use super::LogTarget;
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macro_rules! target {
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($($name:literal)+) => {
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concat!("compositor<constellation@", $($name),+)
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};
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}
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impl LogTarget for compositing_traits::CompositorMsg {
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fn log_target(&self) -> &'static str {
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match self {
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Self::ChangeRunningAnimationsState(..) => target!("ChangeRunningAnimationsState"),
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Self::CreateOrUpdateWebView(..) => target!("CreateOrUpdateWebView"),
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Self::RemoveWebView(..) => target!("RemoveWebView"),
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Self::TouchEventProcessed(..) => target!("TouchEventProcessed"),
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Self::CreatePng(..) => target!("CreatePng"),
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Self::IsReadyToSaveImageReply(..) => target!("IsReadyToSaveImageReply"),
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Self::SetThrottled(..) => target!("SetThrottled"),
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Self::NewWebRenderFrameReady(..) => target!("NewWebRenderFrameReady"),
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Self::PipelineExited(..) => target!("PipelineExited"),
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Self::PendingPaintMetric(..) => target!("PendingPaintMetric"),
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Self::LoadComplete(..) => target!("LoadComplete"),
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Self::WebDriverMouseButtonEvent(..) => target!("WebDriverMouseButtonEvent"),
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Self::WebDriverMouseMoveEvent(..) => target!("WebDriverMouseMoveEvent"),
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Self::CrossProcess(_) => target!("CrossProcess"),
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}
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}
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}
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}
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