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<!--
- @copyright Copyright (c) 2019, Daniel Calviño Sánchez <danxuliu@gmail.com>
-
- @license GNU AGPL version 3 or any later version
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU Affero General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-->
<template>
<CallView v-show="isInCall" :token="token" />
</template>
<script>
import { PARTICIPANT } from './constants'
import CallView from './components/CallView/CallView'
export default {
name: 'FilesSidebarCallViewApp',
components: {
CallView,
},
data() {
return {
// Needed for reactivity.
Talk: OCA.Talk,
}
},
computed: {
fileInfo() {
// When changing files OCA.Talk.fileInfo is cleared as soon as the
// new file starts to be loaded; "setFileInfo()" is called once the
// new file has loaded, so fileInfo is got from OCA.Talk to hide the
// call view at the same time as the rest of the sidebar UI.
return this.Talk.fileInfo || {}
},
fileId() {
return this.fileInfo.id
},
token() {
return this.$store.getters.getToken()
},
fileIdForToken() {
return this.$store.getters.getFileIdForToken()
},
isInCall() {
// FIXME Remove participants as soon as the file changes so this
// condition is not needed.
if (this.fileId !== this.fileIdForToken) {
return false
}
const participantIndex = this.$store.getters.getParticipantIndex(this.token, this.$store.getters.getParticipantIdentifier())
if (participantIndex === -1) {
return false
}
const participant = this.$store.getters.getParticipant(this.token, participantIndex)
return participant.inCall !== PARTICIPANT.CALL_FLAG.DISCONNECTED
},
},
watch: {
isInCall: function(isInCall) {
if (isInCall) {
this.replaceSidebarHeaderContentsWithCallView()
} else {
this.restoreSidebarHeaderContents()
}
},
},
methods: {
setFileInfo(fileInfo) {
},
/**
* Adds a special style sheet to hide the sidebar header contents during
* a call.
*
* The style sheet contains a rule to hide ".hidden-by-call" elements,
* which is the CSS class set in the sidebar header contents during a
* call.
*/
addCallInFilesSidebarStyleSheet() {
for (let i = 0; i < document.styleSheets.length; i++) {
const sheet = document.styleSheets[i]
// None of the default properties of a style sheet can be used
// as an ID. Adding a "data-id" attribute would work in Firefox,
// but not in Chromium, as it does not provide a "dataset"
// property in styleSheet objects. Therefore it is necessary to
// check the rules themselves, but as the order is undefined a
// matching rule needs to be looked for in all of them.
if (sheet.cssRules.length !== 2) {
continue
}
for (const cssRule of sheet.cssRules) {
if (cssRule.cssText === '.app-sidebar-header .hidden-by-call { display: none !important; }') {
return
}
}
}
const style = document.createElement('style')
document.head.appendChild(style)
// "insertRule" calls below need to be kept in sync with the
// condition above.
// Shadow is added to forced white icons to ensure that they are
// visible even against a bright video background.
// White color of forced white icons needs to be set in "icons.scss"
// file to be able to use the SCSS functions.
style.sheet.insertRule('.app-sidebar-header .forced-white { filter: drop-shadow(1px 1px 4px var(--color-box-shadow)); }', 0)
style.sheet.insertRule('.app-sidebar-header .hidden-by-call { display: none !important; }', 0)
},
/**
* Hides the sidebar header contents (except the close button) and shows
* the call view instead.
*/
replaceSidebarHeaderContentsWithCallView() {
this.addCallInFilesSidebarStyleSheet()
const header = document.querySelector('.app-sidebar-header')
if (!header) {
return
}
for (let i = 0; i < header.children.length; i++) {
const headerChild = header.children[i]
if (headerChild.classList.contains('app-sidebar__close')) {
headerChild.classList.add('forced-white')
} else {
headerChild.classList.add('hidden-by-call')
}
}
header.append(this.$el)
},
/**
* Shows the sidebar header contents and moves the call view back to the
* actions.
*/
restoreSidebarHeaderContents() {
const header = document.querySelector('.app-sidebar-header')
if (!header) {
return
}
for (let i = 0; i < header.children.length; i++) {
const headerChild = header.children[i]
if (headerChild.classList.contains('app-sidebar__close')) {
headerChild.classList.remove('forced-white')
} else {
headerChild.classList.remove('hidden-by-call')
}
}
const headerAction = document.querySelector('.app-sidebar-header__action')
if (headerAction) {
headerAction.append(this.$el)
}
},
},
}
</script>
<style lang="scss" scoped>
#call-container {
position: relative;
/* Prevent shadows of videos from leaking on other elements. */
overflow: hidden;
/* Show the call container in a 16/9 proportion based on the sidebar
* width. */
padding-bottom: 56.25%;
max-height: 56.25%;
}
</style>
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