60 lignes
1,6 Kio
JavaScript
60 lignes
1,6 Kio
JavaScript
// Handle messages coming from [Matrix] client if embedded as a [Widget] in some room.
|
|
// [Matrix]: https://matrix.org/
|
|
// [Widget]: https://docs.google.com/document/d/1uPF7XWY_dXTKVKV7jZQ2KmsI19wn9-kFRgQ1tFQP7wQ/edit
|
|
|
|
class MatrixWidget {
|
|
constructor () {
|
|
this.widgetId = null
|
|
window.addEventListener('message', this.onMessage.bind(this))
|
|
}
|
|
|
|
onMessage (event) {
|
|
this.widgetId = this.widgetId || event.data.widgetId
|
|
|
|
switch (event.data.api) {
|
|
case 'fromWidget':
|
|
break
|
|
case 'toWidget':
|
|
switch (event.data.action) {
|
|
case 'capabilities':
|
|
this.sendResponse(event, {
|
|
capabilities: ['m.always_on_screen']
|
|
})
|
|
break
|
|
}
|
|
break
|
|
default:
|
|
break
|
|
}
|
|
}
|
|
|
|
sendContentLoaded () {
|
|
this.sendMessage({
|
|
action: 'content_loaded'
|
|
})
|
|
}
|
|
|
|
setAlwaysOnScreen (value) {
|
|
// Extension of main spec, see https://github.com/matrix-org/matrix-doc/issues/1354
|
|
this.sendMessage({
|
|
action: 'set_always_on_screen',
|
|
value: value, // once for spec compliance
|
|
data: { value: value } // and once for Riot
|
|
})
|
|
}
|
|
|
|
sendMessage (message) {
|
|
if (!this.widgetId) return
|
|
message.api = message.api || 'fromWidget'
|
|
message.widgetId = message.widgetId || this.widgetId
|
|
message.requestId = message.requestId || Math.random().toString(36)
|
|
window.parent.postMessage(message, '*')
|
|
}
|
|
|
|
sendResponse (event, response) {
|
|
event.data.response = response
|
|
event.source.postMessage(event.data, event.origin)
|
|
}
|
|
}
|
|
|
|
window.matrixWidget = new MatrixWidget()
|