284 lines
11 KiB
Kotlin
284 lines
11 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.animation.Animator
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import android.animation.AnimatorListenerAdapter
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import android.annotation.SuppressLint
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import android.content.Context
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import android.os.Bundle
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import android.os.Handler
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import android.os.Looper
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import android.text.method.ScrollingMovementMethod
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import android.view.GestureDetector
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import android.view.KeyEvent
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import android.view.LayoutInflater
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import android.view.MotionEvent
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import android.view.View
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import android.view.ViewGroup
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import android.widget.MediaController
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import androidx.core.view.GestureDetectorCompat
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import com.keylesspalace.tusky.ViewMediaActivity
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import com.keylesspalace.tusky.databinding.FragmentViewVideoBinding
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import com.keylesspalace.tusky.entity.Attachment
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import com.keylesspalace.tusky.util.hide
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import com.keylesspalace.tusky.util.visible
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import com.keylesspalace.tusky.view.ExposedPlayPauseVideoView
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import kotlin.math.abs
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class ViewVideoFragment : ViewMediaFragment() {
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interface VideoActionsListener {
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fun onDismiss()
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}
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private var _binding: FragmentViewVideoBinding? = null
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private val binding get() = _binding!!
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private lateinit var videoActionsListener: VideoActionsListener
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private lateinit var toolbar: View
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private val handler = Handler(Looper.getMainLooper())
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private val hideToolbar = Runnable {
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// Hoist toolbar hiding to activity so it can track state across different fragments
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// This is explicitly stored as runnable so that we pass it to the handler later for cancellation
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mediaActivity.onPhotoTap()
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mediaController.hide()
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}
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private lateinit var mediaActivity: ViewMediaActivity
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private val TOOLBAR_HIDE_DELAY_MS = 3000L
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private lateinit var mediaController: MediaController
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private var isAudio = false
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override fun onAttach(context: Context) {
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super.onAttach(context)
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videoActionsListener = context as VideoActionsListener
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}
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override fun onResume() {
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super.onResume()
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if (_binding != null) {
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if (mediaActivity.isToolbarVisible) {
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handler.postDelayed(hideToolbar, TOOLBAR_HIDE_DELAY_MS)
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}
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binding.videoView.start()
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}
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}
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override fun onPause() {
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super.onPause()
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if (_binding != null) {
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handler.removeCallbacks(hideToolbar)
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binding.videoView.pause()
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mediaController.hide()
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}
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}
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@SuppressLint("ClickableViewAccessibility")
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override fun setupMediaView(
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url: String,
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previewUrl: String?,
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description: String?,
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showingDescription: Boolean
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) {
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binding.mediaDescription.text = description
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binding.mediaDescription.visible(showingDescription)
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binding.mediaDescription.movementMethod = ScrollingMovementMethod()
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binding.videoView.transitionName = url
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binding.videoView.setVideoPath(url)
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mediaController = object : MediaController(mediaActivity) {
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override fun show(timeout: Int) {
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// We're doing manual auto-close management.
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// Also, take focus back from the pause button so we can use the back button.
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super.show(0)
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mediaController.requestFocus()
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}
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override fun dispatchKeyEvent(event: KeyEvent?): Boolean {
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if (event?.keyCode == KeyEvent.KEYCODE_BACK) {
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if (event.action == KeyEvent.ACTION_UP) {
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hide()
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activity?.supportFinishAfterTransition()
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}
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return true
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}
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return super.dispatchKeyEvent(event)
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}
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}
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mediaController.setMediaPlayer(binding.videoView)
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binding.videoView.setMediaController(mediaController)
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binding.videoView.requestFocus()
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binding.videoView.setPlayPauseListener(object : ExposedPlayPauseVideoView.PlayPauseListener {
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override fun onPause() {
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handler.removeCallbacks(hideToolbar)
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}
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override fun onPlay() {
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// Audio doesn't cause the controller to show automatically,
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// and we only want to hide the toolbar if it's a video.
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if (isAudio) {
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mediaController.show()
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} else {
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hideToolbarAfterDelay(TOOLBAR_HIDE_DELAY_MS)
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}
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}
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})
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binding.videoView.setOnPreparedListener { mp ->
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val containerWidth = binding.videoContainer.measuredWidth.toFloat()
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val containerHeight = binding.videoContainer.measuredHeight.toFloat()
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val videoWidth = mp.videoWidth.toFloat()
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val videoHeight = mp.videoHeight.toFloat()
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if (isAudio) {
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binding.videoView.layoutParams.height = 1
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binding.videoView.layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT
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} else if (containerWidth / containerHeight > videoWidth / videoHeight) {
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binding.videoView.layoutParams.height = ViewGroup.LayoutParams.MATCH_PARENT
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binding.videoView.layoutParams.width = ViewGroup.LayoutParams.WRAP_CONTENT
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} else {
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binding.videoView.layoutParams.height = ViewGroup.LayoutParams.WRAP_CONTENT
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binding.videoView.layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT
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}
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// Wait until the media is loaded before accepting taps as we don't want toolbar to
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// be hidden until then.
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binding.videoView.setOnTouchListener { _, _ ->
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mediaActivity.onPhotoTap()
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false
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}
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binding.progressBar.hide()
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mp.isLooping = true
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}
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if (requireArguments().getBoolean(ARG_START_POSTPONED_TRANSITION)) {
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mediaActivity.onBringUp()
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}
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}
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private fun hideToolbarAfterDelay(delayMilliseconds: Long) {
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handler.postDelayed(hideToolbar, delayMilliseconds)
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}
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override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
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mediaActivity = activity as ViewMediaActivity
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toolbar = mediaActivity.toolbar
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_binding = FragmentViewVideoBinding.inflate(inflater, container, false)
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return binding.root
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}
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@SuppressLint("ClickableViewAccessibility")
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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super.onViewCreated(view, savedInstanceState)
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val attachment = arguments?.getParcelable<Attachment>(ARG_ATTACHMENT)
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if (attachment == null) {
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throw IllegalArgumentException("attachment has to be set")
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}
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val url = attachment.url
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isAudio = attachment.type == Attachment.Type.AUDIO
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val gestureDetector = GestureDetectorCompat(
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requireContext(),
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object : GestureDetector.SimpleOnGestureListener() {
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override fun onDown(event: MotionEvent): Boolean {
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return true
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}
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override fun onFling(
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e1: MotionEvent,
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e2: MotionEvent,
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velocityX: Float,
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velocityY: Float
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): Boolean {
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if (abs(velocityY) > abs(velocityX)) {
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videoActionsListener.onDismiss()
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return true
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}
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return false
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}
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}
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)
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var lastY = 0f
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binding.root.setOnTouchListener { _, event ->
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if (event.action == MotionEvent.ACTION_DOWN) {
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lastY = event.rawY
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} else if (event.pointerCount == 1 && event.action == MotionEvent.ACTION_MOVE) {
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val diff = event.rawY - lastY
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if (binding.videoView.translationY != 0f || abs(diff) > 40) {
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binding.videoView.translationY += diff
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val scale = (-abs(binding.videoView.translationY) / 720 + 1).coerceAtLeast(0.5f)
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binding.videoView.scaleY = scale
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binding.videoView.scaleX = scale
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lastY = event.rawY
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return@setOnTouchListener true
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}
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} else if (event.action == MotionEvent.ACTION_UP || event.action == MotionEvent.ACTION_CANCEL) {
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if (abs(binding.videoView.translationY) > 180) {
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videoActionsListener.onDismiss()
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} else {
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binding.videoView.animate().translationY(0f).scaleX(1f).scaleY(1f).start()
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}
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}
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gestureDetector.onTouchEvent(event)
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}
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finalizeViewSetup(url, attachment.previewUrl, attachment.description)
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}
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override fun onToolbarVisibilityChange(visible: Boolean) {
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if (_binding == null || !userVisibleHint) {
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return
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}
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isDescriptionVisible = showingDescription && visible
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val alpha = if (isDescriptionVisible) 1.0f else 0.0f
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if (isDescriptionVisible) {
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// If to be visible, need to make visible immediately and animate alpha
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binding.mediaDescription.alpha = 0.0f
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binding.mediaDescription.visible(isDescriptionVisible)
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}
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binding.mediaDescription.animate().alpha(alpha)
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.setListener(object : AnimatorListenerAdapter() {
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override fun onAnimationEnd(animation: Animator) {
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if (_binding != null) {
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binding.mediaDescription.visible(isDescriptionVisible)
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}
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animation.removeListener(this)
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}
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})
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.start()
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if (visible && binding.videoView.isPlaying && !isAudio) {
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hideToolbarAfterDelay(TOOLBAR_HIDE_DELAY_MS)
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} else {
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handler.removeCallbacks(hideToolbar)
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}
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}
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override fun onTransitionEnd() {
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}
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override fun onDestroyView() {
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super.onDestroyView()
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_binding = null
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}
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}
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