gnezim
31 lines
971 B
TypeScript
Executable File
31 lines
971 B
TypeScript
Executable File
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
/**
|
|
* A FocusTrap managed by FocusTrapManager.
|
|
* Implemented by ConfigurableFocusTrap to avoid circular dependency.
|
|
*/
|
|
export interface ManagedFocusTrap {
|
|
_enable(): void;
|
|
_disable(): void;
|
|
focusInitialElementWhenReady(): Promise<boolean>;
|
|
}
|
|
/** Injectable that ensures only the most recently enabled FocusTrap is active. */
|
|
export declare class FocusTrapManager {
|
|
private _focusTrapStack;
|
|
/**
|
|
* Disables the FocusTrap at the top of the stack, and then pushes
|
|
* the new FocusTrap onto the stack.
|
|
*/
|
|
register(focusTrap: ManagedFocusTrap): void;
|
|
/**
|
|
* Removes the FocusTrap from the stack, and activates the
|
|
* FocusTrap that is the new top of the stack.
|
|
*/
|
|
deregister(focusTrap: ManagedFocusTrap): void;
|
|
}
|