InjectCssCallback

This callback is invoked when the document element has been created and a custom style sheet can be injected into the document.

Return the inject response to inject a custom stylesheet into the document.

Return the proceed response to continue loading without injecting a custom style sheet into the document.

If the callback throws an exception, the InjectCssResponseCallback.proceed() method will be invoked.

This callback may be invoked several times for the same frame.

Important: the engine will be blocked until you return control from the callback.

Types

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interface Params
The parameters of the InjectCssCallback.
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interface Response
A response of the InjectCssCallback.

Functions

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abstract fun on(params: P): R
Invoked when the callback needs a response of type R that may be determined based on the provided callback parameters.