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annotate libervia/pages/_browser/bridge.py @ 1346:cda5537c71d6

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browser (photos/album): videos integrations: videos can now be added to an album, the alternative media player is then used to display them. Slides options are used to remove pagination and slidebar from slideshow (they don't play well with media player), and video are reset when its slide is exited.
author Goffi <goffi@goffi.org>
date Tue, 25 Aug 2020 08:31:56 +0200
parents 8998f01088ac
children b28025a7cc28
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999dccf0093e browser: new bridge module to access restricted bridge from browser
Goffi <goffi@goffi.org>
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1 from browser import window
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2 import javascript
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3
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4
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5 class Bridge:
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6
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7 def __getattr__(self, attr):
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8 return lambda *args, **kwargs: self.call(attr, *args, **kwargs)
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9
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10 def on_load(self, xhr, ev, callback, errback):
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11 if xhr.status == 200:
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12 ret = javascript.JSON.parse(xhr.response)
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8998f01088ac browser (bridge): handle case where `callback` or `errback` is None
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13 if callback is not None:
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14 if ret is None:
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15 callback()
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16 else:
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17 callback(ret)
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18 elif xhr.status == 502:
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19 # PROXY_ERROR is used for bridge error
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20 ret = javascript.JSON.parse(xhr.response)
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21 if errback is not None:
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22 errback(ret)
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23 else:
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24 print(f"bridge called failed: code: {xhr.response}, text: {xhr.statusText}")
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25 if errback is not None:
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26 errback({"fullname": "InternalError", "message": xhr.statusText})
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27
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28 def call(self, method_name, *args, callback, errback, **kwargs):
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29 xhr = window.XMLHttpRequest.new()
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30 xhr.bind('load', lambda ev: self.on_load(xhr, ev, callback, errback))
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31 xhr.bind('error', lambda ev: errback(
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32 {"fullname": "ConnectionError", "message": xhr.statusText}))
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33 xhr.open("POST", f"/_bridge/{method_name}", True)
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34 data = javascript.JSON.stringify({
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35 "args": args,
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36 "kwargs": kwargs,
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37 })
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38 xhr.setRequestHeader('X-Csrf-Token', window.csrf_token)
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39 xhr.send(data)