96 lines
3.5 KiB
Kotlin
96 lines
3.5 KiB
Kotlin
/* Copyright 2017 Andrew Dawson
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.fragment
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import android.os.Bundle
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import android.text.TextUtils
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import android.widget.TextView
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import com.keylesspalace.tusky.ViewMediaActivity
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import com.keylesspalace.tusky.entity.Attachment
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import com.keylesspalace.tusky.util.visible
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abstract class ViewMediaFragment : BaseFragment() {
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private var toolbarVisibiltyDisposable: Function0<Boolean>? = null
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abstract fun setupMediaView(url: String, previewUrl: String?)
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abstract fun onToolbarVisibilityChange(visible: Boolean)
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abstract val descriptionView: TextView
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protected var showingDescription = false
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protected var isDescriptionVisible = false
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companion object {
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@JvmStatic
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protected val ARG_START_POSTPONED_TRANSITION = "startPostponedTransition"
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@JvmStatic
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protected val ARG_ATTACHMENT = "attach"
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@JvmStatic
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protected val ARG_AVATAR_URL = "avatarUrl"
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@JvmStatic
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fun newInstance(attachment: Attachment, shouldStartPostponedTransition: Boolean): ViewMediaFragment {
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val arguments = Bundle(2)
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arguments.putParcelable(ARG_ATTACHMENT, attachment)
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arguments.putBoolean(ARG_START_POSTPONED_TRANSITION, shouldStartPostponedTransition)
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val fragment = when (attachment.type) {
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Attachment.Type.IMAGE -> ViewImageFragment()
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Attachment.Type.VIDEO,
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Attachment.Type.GIFV,
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Attachment.Type.AUDIO -> ViewVideoFragment()
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else -> ViewImageFragment() // it probably won't show anything, but its better than crashing
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}
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fragment.arguments = arguments
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return fragment
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}
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@JvmStatic
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fun newAvatarInstance(avatarUrl: String): ViewMediaFragment {
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val arguments = Bundle(2)
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val fragment = ViewImageFragment()
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arguments.putString(ARG_AVATAR_URL, avatarUrl)
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arguments.putBoolean(ARG_START_POSTPONED_TRANSITION, true)
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fragment.arguments = arguments
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return fragment
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}
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}
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abstract fun onTransitionEnd()
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protected fun finalizeViewSetup(url: String, previewUrl: String?, description: String?) {
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val mediaActivity = activity as ViewMediaActivity
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setupMediaView(url, previewUrl)
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descriptionView.text = description ?: ""
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showingDescription = !TextUtils.isEmpty(description)
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isDescriptionVisible = showingDescription
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descriptionView.visible(showingDescription && mediaActivity.isToolbarVisible)
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toolbarVisibiltyDisposable = (activity as ViewMediaActivity)
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.addToolbarVisibilityListener { isVisible ->
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onToolbarVisibilityChange(isVisible)
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}
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}
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override fun onDestroyView() {
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toolbarVisibiltyDisposable?.invoke()
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super.onDestroyView()
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}
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}
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