Enum EmbedderToConstellationMessage

pub enum EmbedderToConstellationMessage {
    Exit,
    IsReadyToSaveImage(HashMap<PipelineId, Epoch>),
    AllowNavigationResponse(PipelineId, bool),
    LoadUrl(WebViewId, ServoUrl),
    ClearCache,
    TraverseHistory(WebViewId, TraversalDirection, TraversalId),
    ChangeViewportDetails(WebViewId, ViewportDetails, WindowSizeType),
    ThemeChange(WebViewId, Theme),
    TickAnimation(Vec<WebViewId>),
    NoLongerWaitingOnAsynchronousImageUpdates(Vec<PipelineId>),
    WebDriverCommand(WebDriverCommandMsg),
    Reload(WebViewId),
    LogEntry(Option<WebViewId>, Option<String>, LogEntry),
    NewWebView(ServoUrl, WebViewId, ViewportDetails),
    CloseWebView(WebViewId),
    SendError(Option<WebViewId>, String),
    FocusWebView(WebViewId, FocusId),
    BlurWebView,
    ForwardInputEvent(WebViewId, InputEvent, Option<CompositorHitTestResult>),
    RefreshCursor(PipelineId),
    ToggleProfiler(Duration, Duration),
    ExitFullScreen(WebViewId),
    MediaSessionAction(MediaSessionActionType),
    SetWebViewThrottled(WebViewId, bool),
    SetScrollStates(PipelineId, HashMap<ExternalScrollId, LayoutVector2D>),
    PaintMetric(PipelineId, PaintMetricEvent),
    EvaluateJavaScript(WebViewId, JavaScriptEvaluationId, String),
    CreateMemoryReport(IpcSender<MemoryReportResult>),
    SendImageKeysForPipeline(PipelineId, Vec<ImageKey>),
    SetWebDriverResponseSender(IpcSender<WebDriverCommandResponse>),
    PreferencesUpdated(Vec<(&'static str, PrefValue)>),
}

Messages to the Constellation from the embedding layer, whether from ServoRenderer or from libservo itself.

Variants

Exit

Exit the constellation.

IsReadyToSaveImage(HashMap<PipelineId, Epoch>)

Query the constellation to see if the current compositor output is stable

AllowNavigationResponse(PipelineId, bool)

Whether to allow script to navigate.

LoadUrl(WebViewId, ServoUrl)

Request to load a page.

ClearCache

Clear the network cache.

TraverseHistory(WebViewId, TraversalDirection, TraversalId)

Request to traverse the joint session history of the provided browsing context.

ChangeViewportDetails(WebViewId, ViewportDetails, WindowSizeType)

Inform the Constellation that a WebView’s ViewportDetails have changed.

ThemeChange(WebViewId, Theme)

Inform the constellation of a theme change.

TickAnimation(Vec<WebViewId>)

Requests that the constellation instruct script/layout to try to layout again and tick animations.

NoLongerWaitingOnAsynchronousImageUpdates(Vec<PipelineId>)

Notify the ScriptThread that the Servo renderer is no longer waiting on asynchronous image uploads for the given Pipeline. These are mainly used by canvas to perform uploads while the display list is being built.

WebDriverCommand(WebDriverCommandMsg)

Dispatch a webdriver command

Reload(WebViewId)

Reload a top-level browsing context.

LogEntry(Option<WebViewId>, Option<String>, LogEntry)

A log entry, with the top-level browsing context id and thread name

NewWebView(ServoUrl, WebViewId, ViewportDetails)

Create a new top level browsing context.

CloseWebView(WebViewId)

Close a top level browsing context.

SendError(Option<WebViewId>, String)

Panic a top level browsing context.

FocusWebView(WebViewId, FocusId)

Make a webview focused. [EmbedderMsg::WebViewFocused] will be sent with the result of this operation.

BlurWebView

Make none of the webviews focused.

ForwardInputEvent(WebViewId, InputEvent, Option<CompositorHitTestResult>)

Forward an input event to an appropriate ScriptTask.

RefreshCursor(PipelineId)

Request that the given pipeline refresh the cursor by doing a hit test at the most recently hovered cursor position and resetting the cursor. This happens after a display list update is rendered.

ToggleProfiler(Duration, Duration)

Enable the sampling profiler, with a given sampling rate and max total sampling duration.

ExitFullScreen(WebViewId)

Request to exit from fullscreen mode

MediaSessionAction(MediaSessionActionType)

Media session action.

SetWebViewThrottled(WebViewId, bool)

Set whether to use less resources, by stopping animations and running timers at a heavily limited rate.

SetScrollStates(PipelineId, HashMap<ExternalScrollId, LayoutVector2D>)

The Servo renderer scrolled and is updating the scroll states of the nodes in the given pipeline via the constellation.

PaintMetric(PipelineId, PaintMetricEvent)

Notify the constellation that a particular paint metric event has happened for the given pipeline.

EvaluateJavaScript(WebViewId, JavaScriptEvaluationId, String)

Evaluate a JavaScript string in the context of a WebView. When execution is complete or an error is encountered, a correpsonding message will be sent to the embedding layer.

CreateMemoryReport(IpcSender<MemoryReportResult>)

Create a memory report and return it via the ipc sender

SendImageKeysForPipeline(PipelineId, Vec<ImageKey>)

Sends the generated image key to the image cache associated with this pipeline.

SetWebDriverResponseSender(IpcSender<WebDriverCommandResponse>)

Set WebDriver input event handled sender.

PreferencesUpdated(Vec<(&'static str, PrefValue)>)

A set of preferences were updated with the given new values.

Trait Implementations

impl Debug for EmbedderToConstellationMessage

fn fmt(&self, formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'_derivative_strum> From<&'_derivative_strum EmbedderToConstellationMessage> for &'static str

fn from(x: &'_derivative_strum EmbedderToConstellationMessage) -> &'static str

Converts to this type from the input type.

impl From<EmbedderToConstellationMessage> for &'static str

fn from(x: EmbedderToConstellationMessage) -> &'static str

Converts to this type from the input type.