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Stop animations when window is hidden (API + UWP)
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11 changed files with 77 additions and 0 deletions
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@ -110,6 +110,8 @@ pub enum ConstellationMsg {
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ExitFullScreen(TopLevelBrowsingContextId),
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/// Media session action.
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MediaSessionAction(MediaSessionActionType),
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/// Toggle browser visibility.
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ChangeBrowserVisibility(TopLevelBrowsingContextId, bool),
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}
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impl fmt::Debug for ConstellationMsg {
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@ -141,6 +143,7 @@ impl fmt::Debug for ConstellationMsg {
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DisableProfiler => "DisableProfiler",
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ExitFullScreen(..) => "ExitFullScreen",
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MediaSessionAction(..) => "MediaSessionAction",
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ChangeBrowserVisibility(..) => "ChangeBrowserVisibility",
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};
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write!(formatter, "ConstellationMsg::{}", variant)
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}
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@ -105,6 +105,8 @@ pub enum WindowEvent {
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/// Sent when the user triggers a media action through the UA exposed media UI
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/// (play, pause, seek, etc.).
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MediaSessionAction(MediaSessionActionType),
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/// Set browser visibility. A hidden browser will not tick the animations.
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ChangeBrowserVisibility(TopLevelBrowsingContextId, bool),
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}
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impl Debug for WindowEvent {
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@ -136,6 +138,7 @@ impl Debug for WindowEvent {
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WindowEvent::ToggleSamplingProfiler(..) => write!(f, "ToggleSamplingProfiler"),
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WindowEvent::ExitFullScreen(..) => write!(f, "ExitFullScreen"),
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WindowEvent::MediaSessionAction(..) => write!(f, "MediaSessionAction"),
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WindowEvent::ChangeBrowserVisibility(..) => write!(f, "ChangeBrowserVisibility"),
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}
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}
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}
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@ -1681,6 +1681,9 @@ where
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FromCompositorMsg::MediaSessionAction(action) => {
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self.handle_media_session_action_msg(action);
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},
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FromCompositorMsg::ChangeBrowserVisibility(top_level_browsing_context_id, visible) => {
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self.handle_change_browser_visibility(top_level_browsing_context_id, visible);
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},
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}
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}
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@ -4276,6 +4279,32 @@ where
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}
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}
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fn handle_change_browser_visibility(
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&mut self,
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top_level_browsing_context_id: TopLevelBrowsingContextId,
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visible: bool,
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) {
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let browsing_context_id = BrowsingContextId::from(top_level_browsing_context_id);
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let pipeline_id = match self.browsing_contexts.get(&browsing_context_id) {
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Some(browsing_context) => browsing_context.pipeline_id,
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None => {
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return warn!(
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"Browsing context {} got visibility change event after closure.",
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browsing_context_id
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);
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},
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};
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match self.pipelines.get(&pipeline_id) {
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None => {
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return warn!(
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"Pipeline {} got visibility change event after closure.",
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pipeline_id
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)
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},
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Some(pipeline) => pipeline.notify_visibility(visible),
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};
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}
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fn notify_history_changed(&self, top_level_browsing_context_id: TopLevelBrowsingContextId) {
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// Send a flat projection of the history to embedder.
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// The final vector is a concatenation of the LoadData of the past
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@ -735,6 +735,19 @@ where
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);
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}
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},
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WindowEvent::ChangeBrowserVisibility(top_level_browsing_context_id, visible) => {
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let msg = ConstellationMsg::ChangeBrowserVisibility(
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top_level_browsing_context_id,
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visible,
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);
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if let Err(e) = self.constellation_chan.send(msg) {
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warn!(
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"Sending ChangeBrowserVisibility to constellation failed ({:?}).",
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e
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);
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}
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},
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}
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}
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