electron/lib/renderer/inspector.js

115 строки
2.7 KiB
JavaScript

window.onload = function () {
// Use menu API to show context menu.
window.InspectorFrontendHost.showContextMenuAtPoint = createMenu
// Use dialog API to override file chooser dialog.
window.WebInspector.createFileSelectorElement = createFileSelectorElement
}
const convertToMenuTemplate = function (items) {
return items.map(function (item) {
const transformed = item.type === 'subMenu' ? {
type: 'submenu',
label: item.label,
enabled: item.enabled,
submenu: convertToMenuTemplate(item.subItems)
} : item.type === 'separator' ? {
type: 'separator'
} : item.type === 'checkbox' ? {
type: 'checkbox',
label: item.label,
enabled: item.enabled,
checked: item.checked
} : {
type: 'normal',
label: item.label,
enabled: item.enabled
}
if (item.id != null) {
transformed.click = function () {
window.DevToolsAPI.contextMenuItemSelected(item.id)
return window.DevToolsAPI.contextMenuCleared()
}
}
return transformed
})
}
const createMenu = function (x, y, items) {
const {remote} = require('electron')
const {Menu} = remote
let template = convertToMenuTemplate(items)
if (useEditMenuItems(x, y, template)) {
template = getEditMenuItems()
}
const menu = Menu.buildFromTemplate(template)
// The menu is expected to show asynchronously.
setTimeout(function () {
menu.popup(remote.getCurrentWindow())
})
}
const useEditMenuItems = function (x, y, items) {
return items.length === 0 && document.elementsFromPoint(x, y).some(function (element) {
return element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA' || element.isContentEditable
})
}
const getEditMenuItems = function () {
return [
{
role: 'undo'
},
{
role: 'redo'
},
{
type: 'separator'
},
{
role: 'cut'
},
{
role: 'copy'
},
{
role: 'paste'
},
{
role: 'pasteandmatchstyle'
},
{
role: 'delete'
},
{
role: 'selectall'
}
]
}
const showFileChooserDialog = function (callback) {
const {dialog} = require('electron').remote
const files = dialog.showOpenDialog({})
if (files != null) {
callback(pathToHtml5FileObject(files[0]))
}
}
const pathToHtml5FileObject = function (path) {
const fs = require('fs')
const blob = new Blob([fs.readFileSync(path)])
blob.name = path
return blob
}
const createFileSelectorElement = function (callback) {
const fileSelectorElement = document.createElement('span')
fileSelectorElement.style.display = 'none'
fileSelectorElement.click = showFileChooserDialog.bind(this, callback)
return fileSelectorElement
}