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authorAllan Wang <me@allanwang.ca>2017-08-02 16:21:49 -0700
committerGitHub <noreply@github.com>2017-08-02 16:21:49 -0700
commit53382b44bb7ab7ccb559e96fd1f93c47020878ee (patch)
tree79c1862992f458ac52c1910b3a2e0c01cb7d5a5a /mediapicker/src/main/kotlin
parent7d894be6de118357ec908d2d171b6152ce67307d (diff)
downloadkau-53382b44bb7ab7ccb559e96fd1f93c47020878ee.tar.gz
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Improve video prefetching (#17)
* Create base activity and add thumbnails to media picker * Add checker to see if requested permission is inside the manifest * Add faq parser with tests * Add kpref testers and expose sp * Test jitpack sample exclusion * Test caching * Improve glide caching
Diffstat (limited to 'mediapicker/src/main/kotlin')
-rw-r--r--mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItem.kt1
-rw-r--r--mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItemBasic.kt1
-rw-r--r--mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerBinder.kt7
-rw-r--r--mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerCore.kt46
4 files changed, 48 insertions, 7 deletions
diff --git a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItem.kt b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItem.kt
index 3947809..b6f3721 100644
--- a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItem.kt
+++ b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItem.kt
@@ -40,6 +40,7 @@ class MediaItem(val data: MediaModel)
super.bindView(holder, payloads)
Glide.with(holder.itemView)
.load(data.data)
+ .applyMediaOptions(holder.itemView.context)
.listener(object : RequestListener<Drawable> {
override fun onLoadFailed(e: GlideException?, model: Any, target: Target<Drawable>, isFirstResource: Boolean): Boolean {
failedToLoad = true
diff --git a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItemBasic.kt b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItemBasic.kt
index 4fbe955..c28ed29 100644
--- a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItemBasic.kt
+++ b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItemBasic.kt
@@ -47,6 +47,7 @@ class MediaItemBasic(val data: MediaModel)
super.bindView(holder, payloads)
Glide.with(holder.itemView)
.load(data.data)
+ .applyMediaOptions(holder.itemView.context)
.listener(object : RequestListener<Drawable> {
override fun onLoadFailed(e: GlideException?, model: Any, target: Target<Drawable>, isFirstResource: Boolean): Boolean {
holder.image.setImageDrawable(MediaPickerCore.getErrorDrawable(holder.itemView.context))
diff --git a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerBinder.kt b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerBinder.kt
index bdd25ba..cb218fc 100644
--- a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerBinder.kt
+++ b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerBinder.kt
@@ -1,8 +1,12 @@
package ca.allanwang.kau.mediapicker
import android.app.Activity
+import android.content.Context
import android.content.Intent
import ca.allanwang.kau.utils.startActivityForResult
+import com.bumptech.glide.RequestBuilder
+import com.bumptech.glide.load.engine.DiskCacheStrategy
+import com.bumptech.glide.request.RequestOptions
/**
* Created by Allan Wang on 2017-07-21.
@@ -31,3 +35,6 @@ internal const val MEDIA_PICKER_RESULT = "media_picker_result"
internal const val ANIMATION_DURATION = 200L
internal const val ANIMATION_SCALE = 0.95f
+internal fun <T> RequestBuilder<T>.applyMediaOptions(context: Context)
+ = apply(RequestOptions().diskCacheStrategy(DiskCacheStrategy.RESOURCE).centerCrop().override(MediaPickerCore.viewSize(context)))
+
diff --git a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerCore.kt b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerCore.kt
index 255cec4..ee3481d 100644
--- a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerCore.kt
+++ b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerCore.kt
@@ -12,34 +12,42 @@ import android.provider.MediaStore
import android.support.v4.app.LoaderManager
import android.support.v4.content.CursorLoader
import android.support.v4.content.Loader
-import android.support.v7.app.AppCompatActivity
import android.support.v7.widget.GridLayoutManager
import android.support.v7.widget.RecyclerView
import ca.allanwang.kau.animators.FadeScaleAnimatorAdd
import ca.allanwang.kau.animators.KauAnimator
+import ca.allanwang.kau.internal.KauBaseActivity
+import ca.allanwang.kau.kotlin.lazyContext
import ca.allanwang.kau.permissions.kauRequestPermissions
import ca.allanwang.kau.utils.dimenPixelSize
import ca.allanwang.kau.utils.toast
+import com.bumptech.glide.Glide
import com.mikepenz.fastadapter.IItem
import com.mikepenz.fastadapter.commons.adapters.FastItemAdapter
import com.mikepenz.google_material_typeface_library.GoogleMaterial
import com.mikepenz.iconics.IconicsDrawable
+import org.jetbrains.anko.doAsync
+import java.util.concurrent.ExecutionException
+import java.util.concurrent.Future
/**
* Created by Allan Wang on 2017-07-23.
*
* Container for the main logic behind the both pickers
*/
-abstract class MediaPickerCore<T : IItem<*, *>>(val mediaType: MediaType) : AppCompatActivity(), LoaderManager.LoaderCallbacks<Cursor> {
+abstract class MediaPickerCore<T : IItem<*, *>>(
+ val mediaType: MediaType, val preload: Boolean = mediaType == MediaType.VIDEO
+) : KauBaseActivity(), LoaderManager.LoaderCallbacks<Cursor> {
companion object {
+ val viewSize = lazyContext { computeViewSize(it) }
/**
* Given the dimensions of our device and a minimum image size,
* Computer the optimal column count for our grid layout
*
* @return column count
*/
- fun computeColumnCount(context: Context): Int {
+ private fun computeColumnCount(context: Context): Int {
val minImageSizePx = context.dimenPixelSize(R.dimen.kau_image_minimum_size)
val screenWidthPx = context.resources.displayMetrics.widthPixels
return screenWidthPx / minImageSizePx
@@ -48,7 +56,7 @@ abstract class MediaPickerCore<T : IItem<*, *>>(val mediaType: MediaType) : AppC
/**
* Compute our resulting image size
*/
- fun computeViewSize(context: Context): Int {
+ private fun computeViewSize(context: Context): Int {
val screenWidthPx = context.resources.displayMetrics.widthPixels
return screenWidthPx / computeColumnCount(context)
}
@@ -84,6 +92,9 @@ abstract class MediaPickerCore<T : IItem<*, *>>(val mediaType: MediaType) : AppC
const val CACHE_SIZE = 80
}
+ private var hasPreloaded = false
+ private var prefetcher: Future<*>? = null
+
val adapter: FastItemAdapter<T> = FastItemAdapter()
/**
@@ -140,13 +151,30 @@ abstract class MediaPickerCore<T : IItem<*, *>>(val mediaType: MediaType) : AppC
onStatusChange(false)
return
}
- val items = mutableListOf<T>()
+ val models = mutableListOf<MediaModel>()
do {
val model = MediaModel(data)
if (!shouldLoad(model)) continue
- items.add(converter(model))
+ models.add(model)
} while (data.moveToNext())
- addItems(items)
+ addItems(models.map { converter(it) })
+ if (!hasPreloaded && preload) {
+ hasPreloaded = true
+ prefetcher = doAsync {
+ models.subList(0, Math.min(models.size, 50)).map { it.data }.forEach {
+ val target = Glide.with(this@MediaPickerCore).load(it)
+ .applyMediaOptions(this@MediaPickerCore)
+ .submit()
+ try {
+ target.get()
+ } catch (ignored: InterruptedException) {
+ } catch (ignored: ExecutionException) {
+ } finally {
+ Glide.with(this@MediaPickerCore).clear(target)
+ }
+ }
+ }
+ }
}
abstract fun converter(model: MediaModel): T
@@ -179,4 +207,8 @@ abstract class MediaPickerCore<T : IItem<*, *>>(val mediaType: MediaType) : AppC
open fun onStatusChange(loaded: Boolean) {}
+ override fun onDestroy() {
+ prefetcher?.cancel(true)
+ super.onDestroy()
+ }
} \ No newline at end of file