import { Video } from './video.model'
import { I18n } from '@ngx-translate/i18n-polyfill'
import { ScreenService } from '@app/shared/misc/screen.service'
+import { OwnerDisplayType } from '@app/shared/video/video-miniature.component'
export abstract class AbstractVideoList implements OnInit, OnDestroy {
private static LINES_PER_PAGE = 4
videoWidth: number
videoHeight: number
videoPages: Video[][] = []
+ ownerDisplayType: OwnerDisplayType = 'account'
+ firstLoadedPage: number
+ displayModerationBlock = false
protected baseVideoWidth = 215
- protected baseVideoHeight = 230
+ protected baseVideoHeight = 205
protected abstract notificationsService: NotificationsService
protected abstract authService: AuthService
if (this.resizeSubscription) this.resizeSubscription.unsubscribe()
}
+ pageByVideoId (index: number, page: Video[]) {
+ // Video are unique in all pages
+ return page.length !== 0 ? page[0].id : 0
+ }
+
+ videoById (index: number, video: Video) {
+ return video.id
+ }
+
onNearOfTop () {
this.previousPage()
}
this.loadMoreVideos(this.pagination.currentPage)
}
- loadMoreVideos (page: number) {
+ loadMoreVideos (page: number, loadOnTop = false) {
+ this.adjustVideoPageHeight()
+
+ const currentY = window.scrollY
+
if (this.loadedPages[page] !== undefined) return
if (this.loadingPage[page] === true) return
({ videos, totalVideos }) => {
this.loadingPage[page] = false
+ if (this.firstLoadedPage === undefined || this.firstLoadedPage > page) this.firstLoadedPage = page
+
// Paging is too high, return to the first one
if (this.pagination.currentPage > 1 && totalVideos <= ((this.pagination.currentPage - 1) * this.pagination.itemsPerPage)) {
this.pagination.currentPage = 1
// Initialize infinite scroller now we loaded the first page
if (Object.keys(this.loadedPages).length === 1) {
// Wait elements creation
- setTimeout(() => this.infiniteScroller.initialize(), 500)
+ setTimeout(() => {
+ this.infiniteScroller.initialize()
+
+ // At our first load, we did not load the first page
+ // Load the previous page so the user can move on the top (and browser previous pages)
+ if (this.pagination.currentPage > 1) this.loadMoreVideos(this.pagination.currentPage - 1, true)
+ }, 500)
}
+
+ // Insert elements on the top but keep the scroll in the previous position
+ if (loadOnTop) setTimeout(() => { window.scrollTo(0, currentY + this.pageHeight) }, 0)
},
error => {
this.loadingPage[page] = false
)
}
+ toggleModerationDisplay () {
+ throw new Error('toggleModerationDisplay is not implemented')
+ }
+
protected hasMoreVideos () {
// No results
if (this.pagination.totalItems === 0) return false
const min = this.minPageLoaded()
if (min > 1) {
- this.loadMoreVideos(min - 1)
+ this.loadMoreVideos(min - 1, true)
}
}
this.videoPages = Object.values(this.loadedPages)
}
+ protected adjustVideoPageHeight () {
+ const numberOfPagesLoaded = Object.keys(this.loadedPages).length
+ if (!numberOfPagesLoaded) return
+
+ this.pageHeight = this.videosElement.nativeElement.offsetHeight / numberOfPagesLoaded
+ }
+
protected buildVideoHeight () {
// Same ratios than base width/height
return this.videosElement.nativeElement.offsetWidth * (this.baseVideoHeight / this.baseVideoWidth)