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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
type AutomationNode = chrome.automation.AutomationNode;
export interface EditableNodeData {
node: AutomationNode;
value: string;
selStart: number;
selEnd: number;
}
/**
* InputController handles interaction with input fields for Accessibility
* features.
*/
export abstract class InputController {
constructor() {}
/** Whether this is an active InputController with a focused input */
abstract isActive(): boolean;
/**
* Commits the given text to the active IME context.
*/
abstract commitText(text: string): void;
/**
* Deletes the sentence to the left of the text caret. If the caret is in the
* middle of a sentence, it will delete a portion of the sentence it
* intersects.
*/
abstract deletePrevSentence(): void;
/**
* Deletes a phrase to the left of the text caret. If multiple instances of
* `phrase` are present, it deletes the one closest to the text caret.
* @param phrase The phrase to be deleted.
*/
abstract deletePhrase(phrase: string): void;
/**
* Replaces a phrase to the left of the text caret with another phrase. If
* multiple instances of `deletePhrase` are present, this function will
* replace the one closest to the text caret.
* @param deletePhrase The phrase to be deleted.
* @param insertPhrase The phrase to be inserted.
*/
abstract replacePhrase(deletePhrase: string, insertPhrase: string):
Promise<void>;
/**
* Inserts `insertPhrase` directly before `beforePhrase` (and separates them
* with a space). This function operates on the text to the left of the caret.
* If multiple instances of `beforePhrase` are present, this function will
* use the one closest to the text caret.
*/
abstract insertBefore(insertPhrase: string, beforePhrase: string):
Promise<void>;
/**
* Sets selection starting at `startPhrase` and ending at `endPhrase`
* (inclusive). The function operates on the text to the left of the text
* caret. If multiple instances of `startPhrase` or `endPhrase` are present,
* the function will use the ones closest to the text caret.
*/
abstract selectBetween(startPhrase: string, endPhrase: string): void;
/** Moves the text caret to the next sentence. */
abstract navNextSent(): Promise<void>;
/** Moves the text caret to the previous sentence. */
abstract navPrevSent(): Promise<void>;
/**
* Returns the editable node, its value, the selection start, and the
* selection end.
* TODO(crbug.com/1353871): Only return text that is visible on-screen.
*/
abstract getEditableNodeData(): EditableNodeData|null;
}
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