Yuito-app-android/app/src/main/java/com/keylesspalace/tusky/fragment/ViewMediaFragment.kt

94 lines
3.5 KiB
Kotlin
Raw Normal View History

/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.fragment
import android.os.Bundle
import android.text.TextUtils
import android.widget.TextView
import com.keylesspalace.tusky.SharedElementTransitionListener
import com.keylesspalace.tusky.ViewMediaActivity
import com.keylesspalace.tusky.entity.Attachment
import com.keylesspalace.tusky.util.visible
abstract class ViewMediaFragment : BaseFragment(), SharedElementTransitionListener {
private var toolbarVisibiltyDisposable: Function0<Boolean>? = null
abstract fun setupMediaView(url: String, previewUrl: String?)
abstract fun onToolbarVisibilityChange(visible: Boolean)
abstract val descriptionView: TextView
protected var showingDescription = false
protected var isDescriptionVisible = false
companion object {
@JvmStatic
protected val ARG_START_POSTPONED_TRANSITION = "startPostponedTransition"
@JvmStatic
protected val ARG_ATTACHMENT = "attach"
@JvmStatic
protected val ARG_AVATAR_URL = "avatarUrl"
@JvmStatic
fun newInstance(attachment: Attachment, shouldStartPostponedTransition: Boolean): ViewMediaFragment {
val arguments = Bundle(2)
arguments.putParcelable(ARG_ATTACHMENT, attachment)
arguments.putBoolean(ARG_START_POSTPONED_TRANSITION, shouldStartPostponedTransition)
val fragment = when (attachment.type) {
Attachment.Type.IMAGE -> ViewImageFragment()
Attachment.Type.VIDEO,
Attachment.Type.GIFV -> ViewVideoFragment()
2018-11-17 16:17:24 +01:00
else -> ViewImageFragment() // it probably won't show anything, but its better than crashing
}
fragment.arguments = arguments
return fragment
}
@JvmStatic
fun newAvatarInstance(avatarUrl: String): ViewMediaFragment {
val arguments = Bundle(2)
val fragment = ViewImageFragment()
arguments.putString(ARG_AVATAR_URL, avatarUrl)
arguments.putBoolean(ARG_START_POSTPONED_TRANSITION, true)
fragment.arguments = arguments
return fragment
}
}
protected fun finalizeViewSetup(url: String, previewUrl: String?, description: String?) {
val mediaActivity = activity as ViewMediaActivity
setupMediaView(url, previewUrl)
descriptionView.text = description ?: ""
showingDescription = !TextUtils.isEmpty(description)
isDescriptionVisible = showingDescription
descriptionView.visible(showingDescription && mediaActivity.isToolbarVisible)
toolbarVisibiltyDisposable = (activity as ViewMediaActivity)
.addToolbarVisibilityListener { isVisible ->
onToolbarVisibilityChange(isVisible)
}
}
override fun onDestroyView() {
toolbarVisibiltyDisposable?.invoke()
super.onDestroyView()
}
}