Trait CompositionVisualSurfaceHooks 

pub trait CompositionVisualSurfaceHooks: ICompositionObjectHost {
    // Provided methods
    fn initialize_defaults_extra(&self) { ... }
    fn validate_source_visual_change(
        &self,
        _old_value: &Option<Rc<dyn ICompositionObject>>,
        _new_value: &Option<Rc<dyn ICompositionObject>>,
    ) { ... }
    fn on_source_visual_changed(&self) { ... }
    fn on_source_visual_changing(&self) { ... }
    fn validate_source_offset_change(
        &self,
        _old_value: Vector,
        _new_value: Vector,
    ) { ... }
    fn on_source_offset_changed(&self) { ... }
    fn on_source_offset_changing(&self) { ... }
    fn validate_source_size_change(
        &self,
        _old_value: Vector,
        _new_value: Vector,
    ) { ... }
    fn on_source_size_changed(&self) { ... }
    fn on_source_size_changing(&self) { ... }
}

The partial methods of CompositionVisualSurface: implemented by the class that embeds CompositionVisualSurfaceProps. Every hook defaults to doing nothing.

Provided Methods

fn initialize_defaults_extra(&self)

fn validate_source_visual_change( &self, _old_value: &Option<Rc<dyn ICompositionObject>>, _new_value: &Option<Rc<dyn ICompositionObject>>, )

fn on_source_visual_changed(&self)

fn on_source_visual_changing(&self)

fn validate_source_offset_change(&self, _old_value: Vector, _new_value: Vector)

fn on_source_offset_changed(&self)

fn on_source_offset_changing(&self)

fn validate_source_size_change(&self, _old_value: Vector, _new_value: Vector)

fn on_source_size_changed(&self)

fn on_source_size_changing(&self)

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl CompositionVisualSurfaceHooks for CompositionVisualSurface

InitializeDefaultsExtra activates the server object: done when the server object is created.