Add share/save manga cover when expanded from J2k, not tested

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt

@@ -5,6 +5,7 @@ import android.animation.AnimatorListenerAdapter
 import android.animation.AnimatorSet
 import android.animation.ObjectAnimator
 import android.app.Activity
+import android.content.ClipData
 import android.content.Intent
 import android.graphics.Color
 import android.graphics.Point
@@ -85,6 +86,7 @@ import eu.kanade.tachiyomi.ui.recent.updates.UpdatesController
 import eu.kanade.tachiyomi.ui.webview.WebViewActivity
 import eu.kanade.tachiyomi.util.chapter.NoChaptersException
 import eu.kanade.tachiyomi.util.hasCustomCover
+import eu.kanade.tachiyomi.util.storage.getUriCompat
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.toast
 import eu.kanade.tachiyomi.util.view.getCoordinates
@@ -205,6 +207,8 @@ class MangaController :
     private var editMergedSettingsDialog: EditMergedSettingsDialog? = null
 
     private var currentAnimator: Animator? = null
+
+    private var isExpanded: Boolean = false
     // EXH <--
 
     init {
@@ -430,6 +434,8 @@ class MangaController :
         if (preferences.recommendsInOverflow().get()) menu.findItem(R.id.action_recommend).isVisible = true
         menu.findItem(R.id.action_merged).isVisible = presenter.manga.source == MERGED_SOURCE_ID
         menu.findItem(R.id.action_toggle_dedupe).isVisible = false // presenter.manga.source == MERGED_SOURCE_ID
+        menu.findItem(R.id.action_share_cover).isVisible = isExpanded
+        menu.findItem(R.id.action_save).isVisible = isExpanded
         // SY <--
     }
 
@@ -463,14 +469,35 @@ class MangaController :
                 presenter.dedupe = !presenter.dedupe
                 presenter.toggleDedupe()
             }
-            R.id.action_migrate -> {
-                migrateManga()
-            }
             // SY <--
 
             R.id.action_edit_categories -> onCategoriesClick()
             // SY --> R.id.action_edit_cover -> handleChangeCover() // SY <--
-            // SY --> R.id.action_migrate -> migrateManga() // SY <--
+            R.id.action_migrate -> migrateManga()
+            // SY -->
+            R.id.action_save -> {
+                if (presenter.saveCover()) {
+                    activity?.toast(R.string.cover_saved)
+                } else {
+                    activity?.toast(R.string.error_saving_cover)
+                }
+            }
+            R.id.action_share_cover -> {
+                val cover = presenter.shareCover(activity!!)
+                if (cover != null) {
+                    val stream = cover.getUriCompat(activity!!)
+                    val intent = Intent(Intent.ACTION_SEND).apply {
+                        putExtra(Intent.EXTRA_STREAM, stream)
+                        flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_GRANT_READ_URI_PERMISSION
+                        clipData = ClipData.newRawUri(null, stream)
+                        type = "image/*"
+                    }
+                    startActivity(Intent.createChooser(intent, activity?.getString(R.string.action_share)))
+                } else {
+                    activity?.toast(R.string.error_sharing_cover)
+                }
+            }
+            // SY <--
         }
         return super.onOptionsItemSelected(item)
     }
@@ -742,7 +769,7 @@ class MangaController :
 
     // SY -->
     fun onThumbnailClick(thumbView: ImageView) {
-        if (!presenter.manga.initialized) return
+        if (!presenter.manga.initialized || presenter.manga.thumbnail_url == null) return
         currentAnimator?.cancel()
 
         val startBoundsInt = Rect()
@@ -777,6 +804,7 @@ class MangaController :
 
         binding.expandedImage.pivotX = 0f
         binding.expandedImage.pivotY = 0f
+        isExpanded = true
 
         currentAnimator = AnimatorSet().apply {
             play(
@@ -809,6 +837,7 @@ class MangaController :
 
         binding.expandedImage.clicks()
             .onEach {
+                isExpanded = false
                 currentAnimator?.cancel()
 
                 currentAnimator = AnimatorSet().apply {

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaPresenter.kt

@@ -3,9 +3,11 @@ package eu.kanade.tachiyomi.ui.manga
 import android.content.Context
 import android.net.Uri
 import android.os.Bundle
+import android.os.Environment
 import com.elvishew.xlog.XLog
 import com.jakewharton.rxrelay.BehaviorRelay
 import com.jakewharton.rxrelay.PublishRelay
+import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.cache.CoverCache
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.database.models.Category
@@ -33,6 +35,8 @@ import eu.kanade.tachiyomi.util.lang.launchIO
 import eu.kanade.tachiyomi.util.prepUpdateCover
 import eu.kanade.tachiyomi.util.removeCovers
 import eu.kanade.tachiyomi.util.shouldDownloadNewChapters
+import eu.kanade.tachiyomi.util.storage.DiskUtil
+import eu.kanade.tachiyomi.util.system.ImageUtil
 import eu.kanade.tachiyomi.util.updateCoverLastModified
 import eu.kanade.tachiyomi.widget.ExtendedNavigationView.Item.TriStateGroup.State
 import exh.MERGED_SOURCE_ID
@@ -59,6 +63,7 @@ import timber.log.Timber
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import uy.kohesive.injekt.injectLazy
+import java.io.File
 import java.util.Date
 
 class MangaPresenter(
@@ -490,6 +495,50 @@ class MangaPresenter(
     fun toggleDedupe() {
         // I cant find any way to call the chapter list subscription to get the chapters again
     }
+
+    fun shareCover(context: Context): File? {
+        return try {
+            val destDir = File(context.cacheDir, "shared_image")
+            val file = saveCover(destDir)
+            file
+        } catch (e: Exception) {
+            null
+        }
+    }
+
+    fun saveCover(): Boolean {
+        return try {
+            val directory = File(
+                Environment.getExternalStorageDirectory().absolutePath +
+                    File.separator + Environment.DIRECTORY_PICTURES +
+                    File.separator + R.string.app_name
+            )
+            saveCover(directory)
+            true
+        } catch (e: Exception) {
+            false
+        }
+    }
+
+    private fun saveCover(directory: File): File {
+        val cover = coverCache.getCoverFile(manga)!!
+        val type = ImageUtil.findImageType(cover.inputStream())
+            ?: throw Exception("Not an image")
+
+        directory.mkdirs()
+
+        // Build destination file.
+        val filename = DiskUtil.buildValidFilename("${manga.title}.${type.extension}")
+
+        val destFile = File(directory, filename)
+        cover.inputStream().use { input ->
+            destFile.outputStream().use { output ->
+                input.copyTo(output)
+            }
+        }
+        return destFile
+    }
+
     // SY <--
 
     /**

app/src/main/res/menu/manga.xml

@@ -83,4 +83,18 @@
         android:title="@string/toggle_dedupe"
         android:visible="false"
         app:showAsAction="never" />
+
+    <item
+        android:id="@+id/action_save"
+        android:icon="@drawable/ic_save_black_24dp"
+        android:title="@string/action_save"
+        android:visible="false"
+        app:showAsAction="ifRoom" />
+
+    <item
+        android:id="@+id/action_share_cover"
+        android:icon="@drawable/ic_share_24dp"
+        android:title="@string/share_cover"
+        android:visible="false"
+        app:showAsAction="ifRoom" />
 </menu>

app/src/main/res/values/strings_sy.xml

@@ -255,6 +255,10 @@
     <string name="az_recommends">See Recommendations</string>
     <string name="merge">Merge</string>
     <string name="merge_with_another_source">Merge With Another</string>
+    <string name="cover_saved">Cover saved</string>
+    <string name="share_cover">Cover saved</string>
+    <string name="error_saving_cover">Error saving cover</string>
+    <string name="error_sharing_cover">Error sharing cover</string>
 
     <!-- Manga info fragment -->
     <string name="hiatus">Hiatus</string>