delay loading the zoomable image at fullscreen mode to avoid laggy swipes
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2091c8bf4b
commit
addae2045e
1 changed files with 57 additions and 43 deletions
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@ -47,7 +47,9 @@ import java.io.File
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import java.io.FileOutputStream
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class PhotoFragment : ViewPagerFragment() {
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private var DEFAULT_DOUBLE_TAP_ZOOM = 2f
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private val DEFAULT_DOUBLE_TAP_ZOOM = 2f
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private val ZOOMABLE_VIEW_LOAD_DELAY = 1500L
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private var isFragmentVisible = false
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private var isFullscreen = false
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private var wasInit = false
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@ -55,6 +57,7 @@ class PhotoFragment : ViewPagerFragment() {
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private var isPanorama = false
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private var imageOrientation = -1
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private var gifDrawable: GifDrawable? = null
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private var loadZoomableViewHandler = Handler()
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private var storedShowExtendedDetails = false
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private var storedHideExtendedDetails = false
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@ -184,7 +187,9 @@ class PhotoFragment : ViewPagerFragment() {
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private fun photoFragmentVisibilityChanged(isVisible: Boolean) {
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if (isVisible) {
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addZoomableView()
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scheduleZoomableView()
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} else {
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loadZoomableViewHandler.removeCallbacksAndMessages(null)
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}
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}
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@ -276,8 +281,9 @@ class PhotoFragment : ViewPagerFragment() {
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}
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override fun onResourceReady(resource: Bitmap?, model: Any?, target: Target<Bitmap>?, dataSource: DataSource?, isFirstResource: Boolean): Boolean {
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if (isFragmentVisible)
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addZoomableView()
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if (isFragmentVisible) {
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scheduleZoomableView()
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}
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return false
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}
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}).into(view.photo_view)
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@ -302,8 +308,16 @@ class PhotoFragment : ViewPagerFragment() {
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}
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}
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private fun scheduleZoomableView() {
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loadZoomableViewHandler.removeCallbacksAndMessages(null)
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loadZoomableViewHandler.postDelayed({
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if (isFragmentVisible && !context!!.config.replaceZoomableImages && medium.isImage() && view.subsampling_view.isGone()) {
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addZoomableView()
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}
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}, ZOOMABLE_VIEW_LOAD_DELAY)
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}
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private fun addZoomableView() {
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if (!context!!.config.replaceZoomableImages && medium.isImage() && isFragmentVisible && view.subsampling_view.isGone()) {
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ViewPagerActivity.wasDecodedByGlide = false
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view.subsampling_view.apply {
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maxScale = 10f
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@ -343,7 +357,6 @@ class PhotoFragment : ViewPagerFragment() {
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})
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}
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}
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}
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private fun checkIfPanorama() {
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isPanorama = try {
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@ -431,6 +444,7 @@ class PhotoFragment : ViewPagerFragment() {
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Glide.with(context!!).clear(view.photo_view)
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view.subsampling_view.recycle()
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}
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loadZoomableViewHandler.removeCallbacksAndMessages(null)
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}
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override fun onConfigurationChanged(newConfig: Configuration) {
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