| // Copyright 2021 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This file was generated by: |
| // tools/json_schema_compiler/compiler.py. |
| // NOTE: The format of types has changed. 'FooType' is now |
| // 'chrome.brailleDisplayPrivate.FooType'. |
| // Please run the closure compiler before committing changes. |
| // See https://chromium.googlesource.com/chromium/src/+/master/docs/closure_compilation.md |
| |
| /** @fileoverview Externs generated from namespace: brailleDisplayPrivate */ |
| |
| /** @const */ |
| chrome.brailleDisplayPrivate = {}; |
| |
| /** |
| * @enum {string} |
| */ |
| chrome.brailleDisplayPrivate.KeyCommand = { |
| LINE_UP: 'line_up', |
| LINE_DOWN: 'line_down', |
| PAN_LEFT: 'pan_left', |
| PAN_RIGHT: 'pan_right', |
| TOP: 'top', |
| BOTTOM: 'bottom', |
| ROUTING: 'routing', |
| SECONDARY_ROUTING: 'secondary_routing', |
| DOTS: 'dots', |
| CHORD: 'chord', |
| STANDARD_KEY: 'standard_key', |
| }; |
| |
| /** |
| * @typedef {{ |
| * command: !chrome.brailleDisplayPrivate.KeyCommand, |
| * displayPosition: (number|undefined), |
| * brailleDots: (number|undefined), |
| * standardKeyCode: (string|undefined), |
| * standardKeyChar: (string|undefined), |
| * spaceKey: (boolean|undefined), |
| * altKey: (boolean|undefined), |
| * shiftKey: (boolean|undefined), |
| * ctrlKey: (boolean|undefined) |
| * }} |
| */ |
| chrome.brailleDisplayPrivate.KeyEvent; |
| |
| /** |
| * @typedef {{ |
| * available: boolean, |
| * textRowCount: (number|undefined), |
| * textColumnCount: (number|undefined), |
| * cellSize: (number|undefined) |
| * }} |
| */ |
| chrome.brailleDisplayPrivate.DisplayState; |
| |
| /** |
| * Gets the current display state. |
| * @param {function(!chrome.brailleDisplayPrivate.DisplayState): void} callback |
| */ |
| chrome.brailleDisplayPrivate.getDisplayState = function(callback) {}; |
| |
| /** |
| * Write the given dot patterns to the display. The buffer contains one byte |
| * for each braille cell on the display, starting from the leftmost cell. Each |
| * byte contains a bit pattern indicating which dots should be raised in the |
| * corresponding cell with the low-order bit representing dot 1 and so on until |
| * bit 7 which corresponds to dot 8. If the number of bytes in the buffer is |
| * not equal to the display size, the buffer will either be clipped or padded |
| * with blank cells on the right. The buffer is a 2D array compressed into 1D. |
| * The |columns| and |rows| parameters give the original 2D dimensions of the |
| * buffer. To access an element cells[r][c], simply access cells[r * columns + |
| * c]. |
| * @param {ArrayBuffer} cells |
| * @param {number} columns |
| * @param {number} rows |
| */ |
| chrome.brailleDisplayPrivate.writeDots = function(cells, columns, rows) {}; |
| |
| /** |
| * Updates the single user-preferred braille device with the given bluetooth |
| * device address and starts or restarts the Brltty daemon. |
| * @param {string} address |
| */ |
| chrome.brailleDisplayPrivate.updateBluetoothBrailleDisplayAddress = function(address) {}; |
| |
| /** |
| * Fired when a braille display is connected or disconnected. |
| * @type {!ChromeEvent} |
| */ |
| chrome.brailleDisplayPrivate.onDisplayStateChanged; |
| |
| /** |
| * Fired when an input event is received from the display. |
| * @type {!ChromeEvent} |
| */ |
| chrome.brailleDisplayPrivate.onKeyEvent; |