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make obtaining photo and video asynchronous

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This commit is contained in:
tibbi 2016-11-19 22:05:44 +01:00
parent 828b4f4256
commit 93e37ec8e6
3 changed files with 111 additions and 81 deletions
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99
app/src/main/kotlin/com/simplemobiletools/gallery/activities/MediaActivity.kt
View file

@ -3,12 +3,10 @@ package com.simplemobiletools.gallery.activities
import android.app.Activity
import android.app.WallpaperManager
import android.content.Intent
import android.database.Cursor
import android.graphics.Bitmap
import android.graphics.Color
import android.net.Uri
import android.os.Bundle
import android.provider.MediaStore
import android.support.design.widget.Snackbar
import android.util.Log
import android.view.Menu
@ -22,6 +20,7 @@ import com.simplemobiletools.filepicker.extensions.*
import com.simplemobiletools.gallery.Constants
import com.simplemobiletools.gallery.R
import com.simplemobiletools.gallery.adapters.MediaAdapter
import com.simplemobiletools.gallery.asynctasks.GetMediaAsynctask
import com.simplemobiletools.gallery.dialogs.ChangeSortingDialog
import com.simplemobiletools.gallery.extensions.getHumanizedFilename
import com.simplemobiletools.gallery.models.Medium
@ -29,7 +28,6 @@ import kotlinx.android.synthetic.main.activity_media.*
import java.io.File
import java.io.IOException
import java.util.*
import java.util.regex.Pattern
class MediaActivity : SimpleActivity(), View.OnTouchListener, MediaAdapter.MediaOperationsListener {
companion object {
@ -45,6 +43,7 @@ class MediaActivity : SimpleActivity(), View.OnTouchListener, MediaAdapter.Media
private var mIsGetImageIntent = false
private var mIsGetVideoIntent = false
private var mIsGetAnyIntent = false
private var mIsGettingMedia = false
}
override fun onCreate(savedInstanceState: Bundle?) {
@ -56,7 +55,7 @@ class MediaActivity : SimpleActivity(), View.OnTouchListener, MediaAdapter.Media
mIsGetAnyIntent = getBooleanExtra(Constants.GET_ANY_INTENT, false)
}
media_holder.setOnRefreshListener({ refreshDir() })
media_holder.setOnRefreshListener({ getMedia() })
mPath = intent.getStringExtra(Constants.DIRECTORY)
mToBeDeleted = ArrayList<String>()
mMedia = ArrayList<Medium>()
@ -74,19 +73,15 @@ class MediaActivity : SimpleActivity(), View.OnTouchListener, MediaAdapter.Media
private fun tryloadGallery() {
if (hasStoragePermission()) {
initializeGallery()
val dirName = getHumanizedFilename(mPath)
title = dirName
getMedia()
} else {
finish()
}
}
private fun initializeGallery() {
val newMedia = getMedia()
if (newMedia.toString() == mMedia.toString()) {
return
}
mMedia = newMedia
if (isDirEmpty())
return
@ -97,9 +92,6 @@ class MediaActivity : SimpleActivity(), View.OnTouchListener, MediaAdapter.Media
media_grid.adapter = adapter
media_grid.setOnTouchListener(this)
mIsSnackbarShown = false
val dirName = getHumanizedFilename(mPath)
title = dirName
}
override fun onCreateOptionsMenu(menu: Menu): Boolean {
@ -141,7 +133,7 @@ class MediaActivity : SimpleActivity(), View.OnTouchListener, MediaAdapter.Media
private fun showSortingDialog() {
ChangeSortingDialog(this, false, object : ChangeSortingDialog.OnChangeSortingListener {
override fun sortingChanged() {
initializeGallery()
getMedia()
}
})
}
@ -167,55 +159,23 @@ class MediaActivity : SimpleActivity(), View.OnTouchListener, MediaAdapter.Media
}
}
private fun getMedia(): ArrayList<Medium> {
val media = ArrayList<Medium>()
val invalidFiles = ArrayList<File>()
for (i in 0..1) {
if (mIsGetVideoIntent && i == 0)
continue
private fun getMedia() {
if (mIsGettingMedia)
return
var uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI
if (i == 1) {
if (mIsGetImageIntent)
continue
uri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI
}
val where = "${MediaStore.Images.Media.DATA} LIKE ? "
val args = arrayOf("$mPath%")
val columns = arrayOf(MediaStore.Images.Media.DATA, MediaStore.Images.Media.DATE_MODIFIED)
val pattern = "${Pattern.quote(mPath)}/[^/]*"
var cursor: Cursor? = null
try {
cursor = contentResolver.query(uri, columns, where, args, null)
if (cursor != null && cursor.moveToFirst()) {
val pathIndex = cursor.getColumnIndex(MediaStore.Images.Media.DATA)
do {
val curPath = cursor.getString(pathIndex) ?: continue
if (curPath.matches(pattern.toRegex()) && !mToBeDeleted.contains(curPath.toLowerCase())) {
val file = File(curPath)
if (file.exists()) {
val dateIndex = cursor.getColumnIndex(MediaStore.Images.Media.DATE_MODIFIED)
val timestamp = cursor.getLong(dateIndex)
media.add(Medium(file.name, curPath, i == 1, timestamp, file.length()))
} else {
invalidFiles.add(file)
}
}
} while (cursor.moveToNext())
mIsGettingMedia = true
GetMediaAsynctask(applicationContext, mPath, mIsGetVideoIntent, mIsGetImageIntent, mToBeDeleted, object : GetMediaAsynctask.GetMediaListener {
override fun gotMedia(media: ArrayList<Medium>) {
mIsGettingMedia = false
media_holder.isRefreshing = false
if (media.toString() == mMedia.toString()) {
return
}
} finally {
cursor?.close()
}
}
Medium.sorting = mConfig.sorting
media.sort()
scanFiles(invalidFiles) {}
return media
mMedia = media
initializeGallery()
}
}).execute()
}
private fun isDirEmpty(): Boolean {
@ -239,7 +199,7 @@ class MediaActivity : SimpleActivity(), View.OnTouchListener, MediaAdapter.Media
}
private fun notifyDeletion(cnt: Int) {
mMedia = getMedia()
getMedia()
if (mMedia.isEmpty()) {
deleteFiles()
@ -299,14 +259,12 @@ class MediaActivity : SimpleActivity(), View.OnTouchListener, MediaAdapter.Media
mSnackbar!!.dismiss()
mIsSnackbarShown = false
mToBeDeleted.clear()
mMedia = getMedia()
updateMediaView()
}
private fun updateMediaView() {
if (!isDirEmpty()) {
(media_grid.adapter as MediaAdapter).updateMedia(mMedia)
initializeGallery()
getMedia()
}
}
@ -359,15 +317,6 @@ class MediaActivity : SimpleActivity(), View.OnTouchListener, MediaAdapter.Media
}
override fun refreshItems() {
refreshDir()
}
private fun refreshDir() {
val dir = File(mPath)
if (dir.isDirectory) {
scanPath(mPath) {}
}
initializeGallery()
media_holder.isRefreshing = false
getMedia()
}
}

7
app/src/main/kotlin/com/simplemobiletools/gallery/adapters/MediaAdapter.kt
View file

@ -27,7 +27,7 @@ import kotlinx.android.synthetic.main.photo_video_tmb.view.*
import java.io.File
import java.util.*
class MediaAdapter(val activity: SimpleActivity, var media: MutableList<Medium>, val listener: MediaOperationsListener?, val itemClick: (Medium) -> Unit) :
class MediaAdapter(val activity: SimpleActivity, val media: MutableList<Medium>, val listener: MediaOperationsListener?, val itemClick: (Medium) -> Unit) :
RecyclerView.Adapter<MediaAdapter.ViewHolder>() {
val multiSelector = MultiSelector()
val views = ArrayList<View>()
@ -162,11 +162,6 @@ class MediaAdapter(val activity: SimpleActivity, var media: MutableList<Medium>,
notifyDataSetChanged()
}
fun updateMedia(media: MutableList<Medium>) {
this.media = media
notifyDataSetChanged()
}
override fun getItemCount() = media.size
class ViewHolder(view: View, val itemClick: (Medium) -> (Unit)) : SwappingHolder(view, MultiSelector()) {

86
app/src/main/kotlin/com/simplemobiletools/gallery/asynctasks/GetMediaAsynctask.kt Normal file
View file

@ -0,0 +1,86 @@
package com.simplemobiletools.gallery.asynctasks
import android.content.Context
import android.database.Cursor
import android.os.AsyncTask
import android.provider.MediaStore
import com.simplemobiletools.filepicker.extensions.scanFiles
import com.simplemobiletools.gallery.Config
import com.simplemobiletools.gallery.models.Medium
import java.io.File
import java.lang.ref.WeakReference
import java.util.*
import java.util.regex.Pattern
class GetMediaAsynctask(val context: Context, val mPath: String, val isPickVideo: Boolean, val isPickImage: Boolean,
val mToBeDeleted: List<String>, val listener: GetMediaListener) : AsyncTask<Void, Void, ArrayList<Medium>>() {
lateinit var mConfig: Config
lateinit var mListener: WeakReference<GetMediaListener>
override fun onPreExecute() {
super.onPreExecute()
mConfig = Config.newInstance(context)
mListener = WeakReference(listener)
}
override fun doInBackground(vararg params: Void): ArrayList<Medium> {
val media = ArrayList<Medium>()
val invalidFiles = ArrayList<File>()
for (i in 0..1) {
if (isPickVideo && i == 0)
continue
var uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI
if (i == 1) {
if (isPickImage)
continue
uri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI
}
val where = "${MediaStore.Images.Media.DATA} LIKE ?"
val args = arrayOf("$mPath%")
val columns = arrayOf(MediaStore.Images.Media.DATA, MediaStore.Images.Media.DATE_MODIFIED)
val pattern = "${Pattern.quote(mPath)}/[^/]*"
var cursor: Cursor? = null
try {
cursor = context.contentResolver.query(uri, columns, where, args, null)
if (cursor != null && cursor.moveToFirst()) {
val pathIndex = cursor.getColumnIndex(MediaStore.Images.Media.DATA)
do {
val curPath = cursor.getString(pathIndex) ?: continue
if (curPath.matches(pattern.toRegex()) && !mToBeDeleted.contains(curPath.toLowerCase())) {
val file = File(curPath)
if (file.exists()) {
val dateIndex = cursor.getColumnIndex(MediaStore.Images.Media.DATE_MODIFIED)
val timestamp = cursor.getLong(dateIndex)
media.add(Medium(file.name, curPath, i == 1, timestamp, file.length()))
} else {
invalidFiles.add(file)
}
}
} while (cursor.moveToNext())
}
} finally {
cursor?.close()
}
}
Medium.sorting = mConfig.sorting
media.sort()
context.scanFiles(invalidFiles) {}
return media
}
override fun onPostExecute(media: ArrayList<Medium>) {
super.onPostExecute(media)
val listener = mListener.get()
listener?.gotMedia(media)
}
interface GetMediaListener {
fun gotMedia(media: ArrayList<Medium>)
}
}