38 lines
1.4 KiB
CoffeeScript
38 lines
1.4 KiB
CoffeeScript
ipc = require 'ipc'
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BrowserWindow = require 'browser-window'
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# The browser module manages all desktop-capturer moduels in renderer process.
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desktopCapturer = process.atomBinding('desktop_capturer').desktopCapturer
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getWebContentsFromId = (id) ->
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windows = BrowserWindow.getAllWindows()
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return window.webContents for window in windows when window.webContents?.getId() == id
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# The set for tracking id of webContents.
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webContentsIds = new Set
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stopDesktopCapture = (id) ->
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webContentsIds.delete id
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# Stop updating if no renderer process listens the desktop capturer.
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if webContentsIds.size is 0
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desktopCapturer.stopUpdating()
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# Handle `desktopCapturer.startUpdating` API.
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ipc.on 'ATOM_BROWSER_DESKTOP_CAPTURER_START_UPDATING', (event, args) ->
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id = event.sender.getId()
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if not webContentsIds.has id
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# Stop sending desktop capturer events to the destroyed webContents.
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event.sender.on 'destroyed', ()->
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stopDesktopCapture id
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# Start updating the desktopCapturer if it doesn't.
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if webContentsIds.size is 0
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desktopCapturer.startUpdating args
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webContentsIds.add id
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# Handle `desktopCapturer.stopUpdating` API.
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ipc.on 'ATOM_BROWSER_DESKTOP_CAPTURER_STOP_UPDATING', (event) ->
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stopDesktopCapture event.sender.getId()
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desktopCapturer.emit = (event_name, event, desktopId, name, thumbnail) ->
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webContentsIds.forEach (id) ->
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getWebContentsFromId(id).send 'ATOM_RENDERER_DESKTOP_CAPTURER', event_name, desktopId, name, thumbnail?.toDataUrl()
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