1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
package com.pitchedapps.frost.views
import android.annotation.SuppressLint
import android.content.Context
import android.graphics.PointF
import android.graphics.RectF
import android.util.AttributeSet
import android.view.GestureDetector
import android.view.MotionEvent
import android.view.View
import ca.allanwang.kau.utils.dpToPx
import ca.allanwang.kau.utils.scaleXY
import com.devbrackets.android.exomedia.ui.widget.VideoView
import com.pitchedapps.frost.utils.L
/**
* Created by Allan Wang on 2017-10-13.
*
* VideoView with scalability
* Parent must have layout with both height & width as match_parent
*/
class FrostVideoView @JvmOverloads constructor(
context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
) : VideoView(context, attrs, defStyleAttr) {
/**
* Shortcut for actual video view
*/
private inline val v
get() = videoViewImpl
var backgroundView: View? = null
var onFinishedListener: () -> Unit = {}
lateinit var viewerContract: FrostVideoViewerContract
lateinit var containerContract: FrostVideoContainerContract
private val videoDimensions = PointF(0f, 0f)
companion object {
/**
* Padding between minimized video and the parent borders
* Note that this is double the actual padding
* as we are calculating then dividing by 2
*/
private val MINIMIZED_PADDING = 10.dpToPx
private val SWIPE_TO_CLOSE_HORIZONTAL_THRESHOLD = 2f.dpToPx
private val SWIPE_TO_CLOSE_VERTICAL_THRESHOLD = 5f.dpToPx
private val SWIPE_TO_CLOSE_OFFSET_THRESHOLD = 75f.dpToPx
val ANIMATION_DURATION = 300L
private val FAST_ANIMATION_DURATION = 100L
}
private var videoBounds = RectF()
var isExpanded: Boolean = true
set(value) {
if (field == value) return
if (videoDimensions.x <= 0f || videoDimensions.y <= 0f)
return L.d("Attempted to toggle video expansion when points have not been finalized")
field = value
if (field) {
animate().scaleXY(1f).translationX(0f).translationY(0f).setDuration(ANIMATION_DURATION).withStartAction {
backgroundView?.animate()?.alpha(1f)?.setDuration(ANIMATION_DURATION)
viewerContract.onFade(1f, ANIMATION_DURATION)
}.withEndAction {
if (!isPlaying) showControls()
}
} else {
hideControls()
val scale = Math.min(height / 4f / videoDimensions.y, width / 2.3f / videoDimensions.x)
val desiredHeight = scale * videoDimensions.y
val desiredWidth = scale * videoDimensions.x
val padding = containerContract.lowerVideoPadding
val offsetX = width - MINIMIZED_PADDING - desiredWidth
val offsetY = height - MINIMIZED_PADDING - desiredHeight
val translationX = offsetX / 2 - padding.x
val translationY = offsetY / 2 - padding.y
videoBounds.set(offsetX, offsetY, width.toFloat(), height.toFloat())
videoBounds.offset(padding.x, padding.y)
animate().scaleXY(scale).translationX(translationX).translationY(translationY).setDuration(ANIMATION_DURATION).withStartAction {
backgroundView?.animate()?.alpha(0f)?.setDuration(ANIMATION_DURATION)
viewerContract.onFade(0f, ANIMATION_DURATION)
}
}
}
init {
setOnPreparedListener {
start()
if (isExpanded) showControls()
}
setOnCompletionListener {
viewerContract.onVideoComplete()
}
setOnTouchListener(FrameTouchListener(context))
v.setOnTouchListener(VideoTouchListener(context))
setOnVideoSizedChangedListener { intrinsicWidth, intrinsicHeight ->
val ratio = Math.min(width.toFloat() / intrinsicWidth, height.toFloat() / intrinsicHeight.toFloat())
videoDimensions.set(ratio * intrinsicWidth, ratio * intrinsicHeight)
}
}
fun jumpToStart() {
pause()
videoControls?.hide()
v.seekTo(0)
videoControls?.finishLoading()
}
override fun pause() {
audioFocusHelper.abandonFocus()
videoViewImpl.pause()
keepScreenOn = false
if (isExpanded)
videoControls?.updatePlaybackState(false)
}
override fun restart(): Boolean {
videoUri ?: return false
if (videoViewImpl.restart() && isExpanded) {
videoControls?.showLoading(true)
return true
}
return false
}
private fun hideControls() {
if (videoControls?.isVisible == true)
videoControls?.hide()
}
private fun toggleControls() {
if (videoControls?.isVisible == true)
hideControls()
else
showControls()
}
fun shouldParentAcceptTouch(ev: MotionEvent): Boolean {
if (isExpanded) return true
return !videoBounds.contains(ev.x, ev.y)
}
fun destroy() {
stopPlayback()
if (alpha > 0f)
animate().alpha(0f).setDuration(FAST_ANIMATION_DURATION).withEndAction { onFinishedListener() }.withStartAction {
viewerContract.onFade(0f, FAST_ANIMATION_DURATION)
}.start()
else
onFinishedListener()
}
private fun onHorizontalSwipe(offset: Float) {
val alpha = Math.max((1f - Math.abs(offset / SWIPE_TO_CLOSE_OFFSET_THRESHOLD)) * 0.5f + 0.5f, 0f)
this.alpha = alpha
}
/*
* -------------------------------------------------------------------
* Touch Listeners
* -------------------------------------------------------------------
*/
private inner class FrameTouchListener(context: Context) : GestureDetector.SimpleOnGestureListener(), View.OnTouchListener {
private val gestureDetector: GestureDetector = GestureDetector(context, this)
@SuppressLint("ClickableViewAccessibility")
override fun onTouch(view: View, event: MotionEvent): Boolean {
if (!isExpanded) return false
gestureDetector.onTouchEvent(event)
return true
}
override fun onSingleTapConfirmed(event: MotionEvent): Boolean {
if (!viewerContract.onSingleTapConfirmed(event))
toggleControls()
return true
}
override fun onDoubleTap(e: MotionEvent): Boolean {
isExpanded = !isExpanded
return true
}
}
/**
* Monitors the view click events to show and hide the video controls if they have been specified.
*/
private inner class VideoTouchListener(context: Context) : GestureDetector.SimpleOnGestureListener(), View.OnTouchListener {
private val gestureDetector: GestureDetector = GestureDetector(context, this)
private val downLoc = PointF()
private var baseSwipeX = -1f
private var baseTranslateX = -1f
private var checkForDismiss = true
private var onSwipe = false
@SuppressLint("ClickableViewAccessibility")
override fun onTouch(view: View, event: MotionEvent): Boolean {
gestureDetector.onTouchEvent(event)
when (event.actionMasked) {
MotionEvent.ACTION_DOWN -> {
checkForDismiss = !isExpanded
onSwipe = false
downLoc.x = event.rawX
downLoc.y = event.rawY
}
MotionEvent.ACTION_MOVE -> {
if (onSwipe) {
val dx = baseSwipeX - event.rawX
translationX = baseTranslateX - dx
onHorizontalSwipe(dx)
} else if (checkForDismiss) {
if (Math.abs(event.rawY - downLoc.y) > SWIPE_TO_CLOSE_VERTICAL_THRESHOLD)
checkForDismiss = false
else if (Math.abs(event.rawX - downLoc.x) > SWIPE_TO_CLOSE_HORIZONTAL_THRESHOLD) {
onSwipe = true
baseSwipeX = event.rawX
baseTranslateX = translationX
}
}
}
MotionEvent.ACTION_UP -> {
if (onSwipe) {
if (Math.abs(baseSwipeX - event.rawX) > SWIPE_TO_CLOSE_OFFSET_THRESHOLD)
destroy()
else
animate().translationX(baseTranslateX).setDuration(FAST_ANIMATION_DURATION).withStartAction {
animate().alpha(1f)
}
}
}
}
return true
}
override fun onSingleTapConfirmed(event: MotionEvent): Boolean {
if (viewerContract.onSingleTapConfirmed(event)) return true
if (!isExpanded) {
isExpanded = true
return true
}
toggleControls()
return true
}
override fun onDoubleTap(e: MotionEvent): Boolean {
isExpanded = !isExpanded
return true
}
}
}
|
