Save and share manga cover #253
parent
1e1e9fabdc
commit
bf8838f943
GPG Key ID:
676DEE768C17A9D7
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package org.koitharu.kotatsu.image.ui
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import android.Manifest
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import android.os.Build
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import android.view.Menu
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import android.view.MenuInflater
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import android.view.MenuItem
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import android.view.View
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import androidx.activity.ComponentActivity
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import androidx.activity.result.contract.ActivityResultContracts
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import androidx.core.view.MenuProvider
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import com.google.android.material.snackbar.Snackbar
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import org.koitharu.kotatsu.R
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import org.koitharu.kotatsu.core.util.ext.tryLaunch
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import org.koitharu.kotatsu.local.data.isZipUri
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class ImageMenuProvider(
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private val activity: ComponentActivity,
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private val snackbarHost: View,
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private val viewModel: ImageViewModel,
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) : MenuProvider {
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private val permissionLauncher = activity.registerForActivityResult(
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ActivityResultContracts.RequestPermission(),
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) { isGranted ->
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if (isGranted) {
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saveImage()
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}
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}
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private val saveLauncher = activity.registerForActivityResult(
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ActivityResultContracts.CreateDocument("image/png"),
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) { uri ->
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if (uri != null) {
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viewModel.saveImage(uri)
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}
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}
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override fun onCreateMenu(menu: Menu, menuInflater: MenuInflater) {
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menuInflater.inflate(R.menu.opt_image, menu)
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}
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override fun onMenuItemSelected(menuItem: MenuItem): Boolean = when (menuItem.itemId) {
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R.id.action_save -> {
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
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permissionLauncher.launch(Manifest.permission.WRITE_EXTERNAL_STORAGE)
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} else {
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saveImage()
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}
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true
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}
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else -> false
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}
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private fun saveImage() {
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val name = activity.intent.data?.let {
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if (it.isZipUri()) {
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it.fragment
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} else {
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it.lastPathSegment
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}?.substringBeforeLast('.')?.plus(".png")
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}
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if (name == null || !saveLauncher.tryLaunch(name)) {
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Snackbar.make(snackbarHost, R.string.operation_not_supported, Snackbar.LENGTH_SHORT).show()
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}
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}
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}
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package org.koitharu.kotatsu.image.ui
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import android.content.Context
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import android.graphics.Bitmap
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import android.net.Uri
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import androidx.core.graphics.drawable.toBitmap
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import androidx.lifecycle.SavedStateHandle
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import coil.ImageLoader
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import coil.request.CachePolicy
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import coil.request.ImageRequest
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import dagger.hilt.android.lifecycle.HiltViewModel
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import dagger.hilt.android.qualifiers.ApplicationContext
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.runInterruptible
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import org.koitharu.kotatsu.core.ui.BaseActivity
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import org.koitharu.kotatsu.core.ui.BaseViewModel
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import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
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import org.koitharu.kotatsu.core.util.ext.call
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import org.koitharu.kotatsu.core.util.ext.getDrawableOrThrow
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import org.koitharu.kotatsu.core.util.ext.require
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import org.koitharu.kotatsu.core.util.ext.source
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import javax.inject.Inject
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@HiltViewModel
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class ImageViewModel @Inject constructor(
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@ApplicationContext private val context: Context,
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private val savedStateHandle: SavedStateHandle,
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private val coil: ImageLoader,
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) : BaseViewModel() {
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val onImageSaved = MutableEventFlow<Uri>()
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fun saveImage(destination: Uri) {
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launchLoadingJob(Dispatchers.Default) {
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val request = ImageRequest.Builder(context)
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.memoryCachePolicy(CachePolicy.READ_ONLY)
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.data(savedStateHandle.require<Uri>(BaseActivity.EXTRA_DATA))
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.memoryCachePolicy(CachePolicy.DISABLED)
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.source(savedStateHandle[ImageActivity.EXTRA_SOURCE])
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.build()
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val bitmap = coil.execute(request).getDrawableOrThrow().toBitmap()
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runInterruptible(Dispatchers.IO) {
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context.contentResolver.openOutputStream(destination)?.use { output ->
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check(bitmap.compress(Bitmap.CompressFormat.PNG, 100, output))
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} ?: error("Cannot open output stream")
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}
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onImageSaved.call(destination)
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}
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}
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}
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@ -0,0 +1,9 @@
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<?xml version="1.0" encoding="utf-8"?>
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<menu
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xmlns:android="http://schemas.android.com/apk/res/android">
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<item
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android:id="@+id/action_save"
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android:title="@string/save" />
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</menu>
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