Enum OffscreenError 

pub enum OffscreenError {
    UnsupportedPlatform,
    NoDisplays,
    InvalidSize,
    NotMainThread,
    NullWindow,
    AlreadyActive,
    NoActiveSession,
    ConstrainOverrideUnavailable,
    OcclusionSpiNotCompiled,
    OcclusionSpiUnavailable,
    ActivityUnavailable,
    ThrottlingOptOutFailed(u32),
    PlacementNotApplied {
        requested: Rect,
        actual: Rect,
    },
    RestoreFailed {
        requested: Rect,
        actual: Rect,
    },
    WindowHidden,
    WindowMiniaturized,
    WindowOnDisplay {
        frame: Rect,
    },
    InvalidBackingScale,
    WindowGone,
    Native(String),
    Launch(String),
    ReportTimeout,
    ChildExited(String),
    AppReportedError(String),
    BadReport(String),
    IdentityMismatch {
        child_pid: u32,
        reported_pid: u32,
    },
    WindowNotFound {
        pid: u32,
        window_id: u64,
    },
}

Variants

UnsupportedPlatform

NoDisplays

InvalidSize

NotMainThread

NullWindow

AlreadyActive

NoActiveSession

ConstrainOverrideUnavailable

constrainFrameRect:toScreen: could not be overridden on the window class.

OcclusionSpiNotCompiled

Cargo feature offscreen-private-spi is off: the occlusion SPI was not compiled in.

OcclusionSpiUnavailable

The WKWebView does not respond to _setWindowOcclusionDetectionEnabled:.

ActivityUnavailable

NSProcessInfo activity could not be started.

ThrottlingOptOutFailed(u32)

Windows: EcoQoS opt-out failed (Win32 error code).

PlacementNotApplied

Fields

requested: Rect

actual: Rect

RestoreFailed

Fields

requested: Rect

actual: Rect

WindowHidden

WindowMiniaturized

WindowOnDisplay

Fields

frame: Rect

InvalidBackingScale

WindowGone

Native(String)

Window reads/writes failed with a platform message.

Launch(String)

ReportTimeout

ChildExited(String)

AppReportedError(String)

BadReport(String)

IdentityMismatch

Fields

child_pid: u32

reported_pid: u32

WindowNotFound

Fields

pid: u32

window_id: u64

Trait Implementations

impl Clone for OffscreenError

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for OffscreenError

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

Formats the value using the given formatter.

impl Display for OffscreenError

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

Formats the value using the given formatter.

impl Error for OffscreenError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl PartialEq for OffscreenError

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for OffscreenError