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Simplify the desktopCapturer code

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This commit is contained in:
Cheng Zhao 2015-12-08 13:49:26 +08:00
parent f6c9000f5f
commit 836a8b1794
7 changed files with 38 additions and 66 deletions
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19
atom/renderer/api/lib/desktop-capturer.coffee
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@ -1,11 +1,20 @@
{ipcRenderer, NativeImage} = require 'electron'
{ipcRenderer, nativeImage} = require 'electron'
nextId = 0
getNextId = -> ++nextId
# |options.type| can not be empty and has to include 'window' or 'screen'.
isValid = (options) ->
return options?.types? and Array.isArray options.types
exports.getSources = (options, callback) ->
return callback new Error('Invalid options') unless isValid options
captureWindow = 'window' in options.types
captureScreen = 'screen' in options.types
options.thumbnailSize ?= width: 150, height: 150
id = getNextId()
ipcRenderer.send 'ATOM_BROWSER_DESKTOP_CAPTURER_GET_SOURCES', options, id
ipcRenderer.once "ATOM_RENDERER_DESKTOP_CAPTURER_RESULT_#{id}", (error_message, sources) ->
error = if error_message then Error error_message else null
callback error, ({id: source.id, name: source.name, thumbnail: NativeImage.createFromDataUrl source.thumbnail} for source in sources)
ipcRenderer.send 'ATOM_BROWSER_DESKTOP_CAPTURER_GET_SOURCES', captureWindow, captureScreen, options.thumbnailSize, id
ipcRenderer.once "ATOM_RENDERER_DESKTOP_CAPTURER_RESULT_#{id}", (event, sources) ->
callback null, ({id: source.id, name: source.name, thumbnail: nativeImage.createFromDataURL source.thumbnail} for source in sources)