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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>
<div class="chatView"
@dragover.prevent="handleDragOver"
@dragleave.prevent="isDraggingOver = false"
@drop.prevent="handleDropFiles">
<transition name="slide" mode="out-in">
<div v-show="isDraggingOver"
class="dragover">
<div class="drop-hint">
<div class="drop-hint__icon"
:class="{
'icon-upload' : !isGuest && !isReadOnly,
'icon-user' : isGuest,
'icon-error' : isReadOnly}" />
<h2 class="drop-hint__text">
{{ dropHintText }}
</h2>
</div>
</div>
</transition>
<MessagesList role="region"
:aria-label="t('spreed', 'Conversation messages')"
:is-chat-scrolled-to-bottom="isChatScrolledToBottom"
:token="token"
:is-visible="isVisible"
@set-chat-scrolled-to-bottom="setScrollStatus" />
<NewMessageForm role="region"
:is-chat-scrolled-to-bottom="isChatScrolledToBottom"
:aria-label="t('spreed', 'Post message')" />
</div>
</template>
<script>
import MessagesList from './MessagesList/MessagesList'
import NewMessageForm from './NewMessageForm/NewMessageForm'
import { CONVERSATION } from '../constants'
export default {
name: 'ChatView',
components: {
MessagesList,
NewMessageForm,
},
props: {
isVisible: {
type: Boolean,
default: true,
},
},
data() {
return {
isDraggingOver: false,
/**
* Initialised as true as when we open a new conversation we're scrolling to
* the bottom for now. In the future when we'll open the conversation close
* to the scroll position of the last read message, we will need to change this.
*/
isChatScrolledToBottom: true,
}
},
computed: {
isGuest() {
return this.$store.getters.getActorType() === 'guests'
},
dropHintText() {
if (this.isGuest) {
return t('spreed', 'You need to be logged in to upload files')
} else if (this.isReadOnly) {
return t('spreed', 'This conversation is read-only')
} else {
return t('spreed', 'Drop your files to upload')
}
},
isReadOnly() {
if (this.$store.getters.conversation(this.token)) {
return this.$store.getters.conversation(this.token).readOnly === CONVERSATION.STATE.READ_ONLY
} else {
return undefined
}
},
token() {
return this.$store.getters.getToken()
},
},
methods: {
handleDragOver(event) {
if (event.dataTransfer.types.includes('Files')) {
this.isDraggingOver = true
}
},
handleDropFiles(event) {
if (!this.isDraggingOver) {
return
}
// Restore non dragover state
this.isDraggingOver = false
// Stop the executin if the user is a guest
if (this.isGuest || this.isReadOnly) {
return
}
// Get the files from the event
const files = Object.values(event.dataTransfer.files)
// Create a unique id for the upload operation
const uploadId = new Date().getTime()
// Uploads and shares the files
this.$store.dispatch('initialiseUpload', { files, token: this.token, uploadId })
},
setScrollStatus(payload) {
this.isChatScrolledToBottom = payload
},
},
}
</script>
<style lang="scss" scoped>
.chatView {
width: 100%;
height: 100%;
display: flex;
flex-direction: column;
flex-grow: 1;
min-height: 0;
}
.dragover {
position: absolute;
top: 10%;
left: 10%;
width: 80%;
height: 80%;
background: var(--color-primary-light);
z-index: 11;
display: flex;
box-shadow: 0 0 36px var(--color-box-shadow);
border-radius: var(--border-radius);
opacity: 90%;
}
.drop-hint {
margin: auto;
&__icon {
background-size: 48px;
height: 48px;
margin-bottom: 16px;
}
}
.slide {
&-enter {
transform: translateY(-50%);
opacity: 0;
}
&-enter-to {
transform: translateY(0);
opacity: 1;
}
&-leave {
transform: translateY(0);
opacity: 1;
}
&-leave-to {
transform: translateY(-50%);
opacity: 0;
}
&-enter-active,
&-leave-active {
transition: all 150ms ease-in-out;
}
}
</style>
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