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fix #1171, allow zooming videos

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This commit is contained in:
tibbi 2019-01-14 19:26:43 +01:00
parent 1a36625439
commit 34fade06a0
2 changed files with 164 additions and 6 deletions
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162
app/src/main/kotlin/com/simplemobiletools/gallery/pro/fragments/VideoFragment.kt
View file

@ -2,6 +2,7 @@ package com.simplemobiletools.gallery.pro.fragments
import android.content.Intent
import android.content.res.Configuration
import android.graphics.Matrix
import android.graphics.Point
import android.graphics.SurfaceTexture
import android.net.Uri
@ -28,10 +29,7 @@ import com.simplemobiletools.gallery.pro.R
import com.simplemobiletools.gallery.pro.activities.PanoramaVideoActivity
import com.simplemobiletools.gallery.pro.activities.VideoActivity
import com.simplemobiletools.gallery.pro.extensions.*
import com.simplemobiletools.gallery.pro.helpers.Config
import com.simplemobiletools.gallery.pro.helpers.MEDIUM
import com.simplemobiletools.gallery.pro.helpers.MIN_SKIP_LENGTH
import com.simplemobiletools.gallery.pro.helpers.PATH
import com.simplemobiletools.gallery.pro.helpers.*
import com.simplemobiletools.gallery.pro.models.Medium
import com.simplemobiletools.gallery.pro.views.MediaSideScroll
import kotlinx.android.synthetic.main.bottom_video_time_holder.view.*
@ -51,10 +49,19 @@ class VideoFragment : ViewPagerFragment(), TextureView.SurfaceTextureListener, S
private var mWasVideoStarted = false
private var mCurrTime = 0
private var mDuration = 0
private var mSaveScale = 1f
private var mRight = 0f
private var mBottom = 0f
private var mLastTouchX = 0f
private var mLastTouchY = 0f
private var mTouchDownTime = 0L
private var mExoPlayer: SimpleExoPlayer? = null
private var mVideoSize = Point(0, 0)
private var mTimerHandler = Handler()
private var mScaleDetector: ScaleGestureDetector? = null
private var mMatrices = floatArrayOf()
private val mMatrix = Matrix()
private var mStoredShowExtendedDetails = false
private var mStoredHideExtendedDetails = false
@ -75,8 +82,14 @@ class VideoFragment : ViewPagerFragment(), TextureView.SurfaceTextureListener, S
private lateinit var mPlayPauseButton: ImageView
private lateinit var mSeekBar: SeekBar
private var mCurrZoomMode = ZOOM_MODE_NONE
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
mConfig = context!!.config
mMatrices = FloatArray(9)
mScaleDetector = ScaleGestureDetector(context, ScaleListener())
mView = inflater.inflate(R.layout.pager_video_item, container, false).apply {
instant_prev_item.setOnClickListener { listener?.goToPrevItem() }
instant_next_item.setOnClickListener { listener?.goToNextItem() }
@ -116,8 +129,8 @@ class VideoFragment : ViewPagerFragment(), TextureView.SurfaceTextureListener, S
}
video_surface.setOnTouchListener { view, event ->
handleEvent(event)
false
handleEventWithZooming(event)
true
}
}
}
@ -692,4 +705,141 @@ class VideoFragment : ViewPagerFragment(), TextureView.SurfaceTextureListener, S
mTextureView.layoutParams = this
}
}
private fun handleEventWithZooming(event: MotionEvent) {
mScaleDetector?.onTouchEvent(event)
mMatrix.getValues(mMatrices)
val x = mMatrices[Matrix.MTRANS_X]
val y = mMatrices[Matrix.MTRANS_Y]
when (event.actionMasked) {
MotionEvent.ACTION_DOWN -> {
mTouchDownTime = System.currentTimeMillis()
mCurrZoomMode = ZOOM_MODE_DRAG
mLastTouchX = event.x
mLastTouchY = event.y
mTouchDownX = event.x
mTouchDownY = event.y
}
MotionEvent.ACTION_UP -> {
mCurrZoomMode = ZOOM_MODE_NONE
val diffX = mTouchDownX - event.x
val diffY = mTouchDownY - event.y
val downGestureDuration = System.currentTimeMillis() - mTouchDownTime
if (!mIgnoreCloseDown && Math.abs(diffY) > Math.abs(diffX) && diffY < -mCloseDownThreshold && downGestureDuration < MAX_CLOSE_DOWN_GESTURE_DURATION && mSaveScale == 1f) {
activity?.supportFinishAfterTransition()
}
mIgnoreCloseDown = false
if (System.currentTimeMillis() - mTouchDownTime < CLICK_MAX_DURATION) {
mTextureView.performClick()
}
}
MotionEvent.ACTION_POINTER_DOWN -> {
mLastTouchX = event.x
mLastTouchY = event.y
mCurrZoomMode = ZOOM_MODE_ZOOM
mIgnoreCloseDown = true
}
MotionEvent.ACTION_MOVE -> {
if (mCurrZoomMode == ZOOM_MODE_ZOOM || mCurrZoomMode == ZOOM_MODE_DRAG && mSaveScale > MIN_VIDEO_ZOOM_SCALE) {
var deltaX = event.x - mLastTouchX
var deltaY = event.y - mLastTouchY
if (y + deltaY > 0) {
deltaY = -y
} else if (y + deltaY < -mBottom) {
deltaY = -(y + mBottom)
}
if (x + deltaX > 0) {
deltaX = -x
} else if (x + deltaX < -mRight) {
deltaX = -(x + mRight)
}
mMatrix.postTranslate(deltaX, deltaY)
mLastTouchX = event.x
mLastTouchY = event.y
}
}
MotionEvent.ACTION_POINTER_UP -> {
mCurrZoomMode = ZOOM_MODE_NONE
}
}
mTextureView.setTransform(mMatrix)
mTextureView.invalidate()
}
// taken from https://github.com/Manuiq/ZoomableTextureView
private inner class ScaleListener : ScaleGestureDetector.SimpleOnScaleGestureListener() {
override fun onScaleBegin(detector: ScaleGestureDetector): Boolean {
mCurrZoomMode = ZOOM_MODE_ZOOM
return true
}
override fun onScale(detector: ScaleGestureDetector): Boolean {
var scaleFactor = detector.scaleFactor
val width = mTextureView.width
val height = mTextureView.height
val origScale = mSaveScale
mSaveScale *= scaleFactor
if (mSaveScale > MAX_VIDEO_ZOOM_SCALE) {
mSaveScale = MAX_VIDEO_ZOOM_SCALE
scaleFactor = MAX_VIDEO_ZOOM_SCALE / origScale
} else if (mSaveScale < MIN_VIDEO_ZOOM_SCALE) {
mSaveScale = MIN_VIDEO_ZOOM_SCALE
scaleFactor = MIN_VIDEO_ZOOM_SCALE / origScale
}
mRight = width * mSaveScale - width
mBottom = mTextureView.height * mSaveScale - height
if (0 <= width || 0 <= height) {
mMatrix.postScale(scaleFactor, scaleFactor, detector.focusX, detector.focusY)
if (scaleFactor < 1) {
mMatrix.getValues(mMatrices)
val x = mMatrices[Matrix.MTRANS_X]
val y = mMatrices[Matrix.MTRANS_Y]
if (scaleFactor < 1) {
if (0 < width) {
if (y < -mBottom) {
mMatrix.postTranslate(0f, -(y + mBottom))
} else if (y > 0) {
mMatrix.postTranslate(0f, -y)
}
} else {
if (x < -mRight) {
mMatrix.postTranslate(-(x + mRight), 0f)
} else if (x > 0) {
mMatrix.postTranslate(-x, 0f)
}
}
}
}
} else {
mMatrix.postScale(scaleFactor, scaleFactor, detector.focusX, detector.focusY)
mMatrix.getValues(mMatrices)
val x = mMatrices[Matrix.MTRANS_X]
val y = mMatrices[Matrix.MTRANS_Y]
if (scaleFactor < 1) {
if (x < -mRight) {
mMatrix.postTranslate(-(x + mRight), 0f)
} else if (x > 0) {
mMatrix.postTranslate(-x, 0f)
}
if (y < -mBottom) {
mMatrix.postTranslate(0f, -(y + mBottom))
} else if (y > 0) {
mMatrix.postTranslate(0f, -y)
}
}
}
return true
}
}
}

8
app/src/main/kotlin/com/simplemobiletools/gallery/pro/helpers/Constants.kt
View file

@ -103,6 +103,7 @@ const val GO_TO_PREV_ITEM = "go_to_prev_item"
const val MAX_COLUMN_COUNT = 20
const val SHOW_TEMP_HIDDEN_DURATION = 300000L
const val CLICK_MAX_DURATION = 150
const val MAX_CLOSE_DOWN_GESTURE_DURATION = 500
const val DRAG_THRESHOLD = 8
const val MONTH_MILLISECONDS = MONTH_SECONDS * 1000L
const val MIN_SKIP_LENGTH = 2000
@ -181,3 +182,10 @@ const val ASPECT_RATIO_ONE_ONE = 1
const val ASPECT_RATIO_FOUR_THREE = 2
const val ASPECT_RATIO_SIXTEEN_NINE = 3
const val ASPECT_RATIO_OTHER = 4
// some constants related to zooming videos
const val MIN_VIDEO_ZOOM_SCALE = 1f
const val MAX_VIDEO_ZOOM_SCALE = 5f
const val ZOOM_MODE_NONE = 0
const val ZOOM_MODE_DRAG = 1
const val ZOOM_MODE_ZOOM = 2