mirror of
https://github.com/kremalicious/metamask-extension.git
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14d85b1332
A few inconsistencies in JSDoc formatting have been fixed throughout the project. Many issues remain; these were just the few things that were easy to fix with a regular expression. The changes include: * Using lower-case for primitive types, but capitalizing non-primitive types * Separating the parameter identifier and the description with a dash * Omitting a dash between the return type and the return description * Ensuring the parameter type is first and the identifier is second (in a few places it was backwards) * Using square brackets to denote when a parameter is optional, rather than putting "(optional)" in the parameter description * Including a type and identifier with every parameter * Fixing inconsistent spacing, except where it's used for alignment * Remove incorrectly formatted `@deprecated` tags that reference non- existent properties * Remove lone comment block without accompanying function Additionally, one parameter was renamed for clarity.
94 lines
2.8 KiB
JavaScript
94 lines
2.8 KiB
JavaScript
import ExtensionPlatform from '../platforms/extension'
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const NOTIFICATION_HEIGHT = 620
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const NOTIFICATION_WIDTH = 360
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export default class NotificationManager {
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/**
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* A collection of methods for controlling the showing and hiding of the notification popup.
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*
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* @typedef {Object} NotificationManager
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*
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*/
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constructor() {
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this.platform = new ExtensionPlatform()
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}
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/**
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* Either brings an existing MetaMask notification window into focus, or creates a new notification window. New
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* notification windows are given a 'popup' type.
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*
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*/
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async showPopup() {
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const popup = await this._getPopup()
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// Bring focus to chrome popup
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if (popup) {
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// bring focus to existing chrome popup
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await this.platform.focusWindow(popup.id)
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} else {
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let left = 0
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let top = 0
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try {
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const lastFocused = await this.platform.getLastFocusedWindow()
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// Position window in top right corner of lastFocused window.
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top = lastFocused.top
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left = lastFocused.left + (lastFocused.width - NOTIFICATION_WIDTH)
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} catch (_) {
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// The following properties are more than likely 0, due to being
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// opened from the background chrome process for the extension that
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// has no physical dimensions
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const { screenX, screenY, outerWidth } = window
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top = Math.max(screenY, 0)
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left = Math.max(screenX + (outerWidth - NOTIFICATION_WIDTH), 0)
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}
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// create new notification popup
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const popupWindow = await this.platform.openWindow({
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url: 'notification.html',
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type: 'popup',
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width: NOTIFICATION_WIDTH,
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height: NOTIFICATION_HEIGHT,
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left,
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top,
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})
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// Firefox currently ignores left/top for create, but it works for update
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if (popupWindow.left !== left && popupWindow.state !== 'fullscreen') {
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await this.platform.updateWindowPosition(popupWindow.id, left, top)
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}
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this._popupId = popupWindow.id
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}
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}
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/**
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* Checks all open MetaMask windows, and returns the first one it finds that is a notification window (i.e. has the
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* type 'popup')
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*
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* @private
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* @param {Function} cb - A node style callback that to which the found notification window will be passed.
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*
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*/
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async _getPopup() {
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const windows = await this.platform.getAllWindows()
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return this._getPopupIn(windows)
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}
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/**
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* Given an array of windows, returns the 'popup' that has been opened by MetaMask, or null if no such window exists.
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*
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* @private
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* @param {Array} windows - An array of objects containing data about the open MetaMask extension windows.
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*
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*/
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_getPopupIn(windows) {
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return windows
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? windows.find((win) => {
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// Returns notification popup
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return win && win.type === 'popup' && win.id === this._popupId
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})
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: null
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}
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}
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