Twidere-App-Android-Twitter.../twidere/src/main/kotlin/org/mariotaku/twidere/util/MediaPreloader.kt

75 lines
2.6 KiB
Kotlin

/*
* Twidere - Twitter client for Android
*
* Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.mariotaku.twidere.util
import android.content.Context
import android.content.SharedPreferences
import com.bumptech.glide.Glide
import org.mariotaku.kpreferences.get
import org.mariotaku.twidere.constant.mediaPreloadKey
import org.mariotaku.twidere.constant.mediaPreloadOnWifiOnlyKey
import org.mariotaku.twidere.extension.loadProfileImage
import org.mariotaku.twidere.model.ParcelableActivity
import org.mariotaku.twidere.model.ParcelableMedia
import org.mariotaku.twidere.model.ParcelableStatus
import org.mariotaku.twidere.model.util.getActivityStatus
class MediaPreloader(val context: Context) {
var isNetworkMetered: Boolean = true
private var preloadEnabled: Boolean = false
private var preloadOnWifiOnly: Boolean = true
private val shouldPreload: Boolean get() = preloadEnabled && (!preloadOnWifiOnly || !isNetworkMetered)
fun preloadStatus(status: ParcelableStatus) {
if (!shouldPreload) return
Glide.with(context).loadProfileImage(context, status, 0).preload()
preloadMedia(status.media)
preloadMedia(status.quoted_media)
}
fun preloadActivity(activity: ParcelableActivity) {
if (!shouldPreload) return
activity.getActivityStatus()?.let { preloadStatus(it) }
}
fun reloadOptions(preferences: SharedPreferences) {
preloadEnabled = preferences[mediaPreloadKey]
preloadOnWifiOnly = preferences[mediaPreloadOnWifiOnlyKey]
}
private fun preloadMedia(media: Array<ParcelableMedia>?) {
media?.forEach { item ->
val url = item.preview_url ?: run {
if (item.type != ParcelableMedia.Type.IMAGE) return@run null
return@run item.media_url
} ?: return@forEach
preloadPreviewImage(url)
}
}
private fun preloadPreviewImage(url: String?) {
Glide.with(context).load(url).preload()
}
}