Add share menu item in reader

Closes #9510

(cherry picked from commit 841f80f935225bdb7ee7e400d2b2aa8176c5e4c5)

# Conflicts:
#	app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt
#	app/src/main/res/menu/reader.xml

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt

@@ -377,16 +377,16 @@ class ReaderActivity : BaseActivity() {
         assistUrl?.let { outContent.webUri = it.toUri() }
     }
 
-    /**
-     * Called when the options menu of the toolbar is being created. It adds our custom menu.
-     */
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         menuInflater.inflate(R.menu.reader, menu)
 
         /*val isChapterBookmarked = viewModel.getCurrentChapter()?.chapter?.bookmark ?: false
         menu.findItem(R.id.action_bookmark).isVisible = !isChapterBookmarked
         menu.findItem(R.id.action_remove_bookmark).isVisible = isChapterBookmarked
-        menu.findItem(R.id.action_open_in_web_view).isVisible = viewModel.getSource() is HttpSource*/
+
+        val isHttpSource = viewModel.getSource() is HttpSource
+        menu.findItem(R.id.action_open_in_web_view).isVisible = isHttpSource
+        menu.findItem(R.id.action_share).isVisible = isHttpSource*/
 
         return true
     }
@@ -398,7 +398,7 @@ class ReaderActivity : BaseActivity() {
     /*override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
             R.id.action_open_in_web_view -> {
-                openChapterInWebview()
+                openChapterInWebView()
             }
             R.id.action_bookmark -> {
                 viewModel.bookmarkCurrentChapter(true)
@@ -408,6 +408,12 @@ class ReaderActivity : BaseActivity() {
                 viewModel.bookmarkCurrentChapter(false)
                 invalidateOptionsMenu()
             }
+            R.id.action_share -> {
+                assistUrl?.let {
+                    val intent = it.toUri().toShareIntent(this, type = "text/plain")
+                    startActivity(Intent.createChooser(intent, getString(R.string.action_share)))
+                }
+            }
         }
         return super.onOptionsItemSelected(item)
     }*/
@@ -701,7 +707,7 @@ class ReaderActivity : BaseActivity() {
             setTooltip(R.string.action_open_in_web_view)
 
             setOnClickListener {
-                openChapterInWebview()
+                openChapterInWebView()
             }
         }
 
@@ -713,6 +719,17 @@ class ReaderActivity : BaseActivity() {
             }
         }
 
+        with(binding.actionShare) {
+            setTooltip(R.string.action_share)
+
+            setOnClickListener {
+                assistUrl?.let {
+                    val intent = it.toUri().toShareIntent(this@ReaderActivity, type = "text/plain")
+                    startActivity(Intent.createChooser(intent, getString(R.string.action_share)))
+                }
+            }
+        }
+
         with(binding.doublePage) {
             setTooltip(R.string.page_layout)
 
@@ -915,6 +932,8 @@ class ReaderActivity : BaseActivity() {
                 }
             actionWebView.isVisible =
                 ReaderBottomButton.WebView.isIn(enabledButtons) && viewModel.getSource() is HttpSource
+            actionShare.isVisible =
+                ReaderBottomButton.Share.isIn(enabledButtons) && viewModel.getSource() is HttpSource
             actionChapterList.isVisible =
                 ReaderBottomButton.ViewChapters.isIn(enabledButtons)
             shiftPageButton.isVisible = (viewer as? PagerViewer)?.config?.doublePages ?: false
@@ -1160,14 +1179,12 @@ class ReaderActivity : BaseActivity() {
         startPostponedEnterTransition()
     }
 
-    private fun openChapterInWebview() {
+    private fun openChapterInWebView() {
         val manga = viewModel.manga ?: return
         val source = viewModel.getSource() ?: return
-        lifecycleScope.launchIO {
-            viewModel.getChapterUrl()?.let { url ->
-                val intent = WebViewActivity.newIntent(this@ReaderActivity, url, source.id, manga.title)
-                withUIContext { startActivity(intent) }
-            }
+        assistUrl?.let {
+            val intent = WebViewActivity.newIntent(this@ReaderActivity, it, source.id, manga.title)
+            startActivity(intent)
         }
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/reader/setting/ReaderBottomButton.kt

@@ -6,6 +6,7 @@ import eu.kanade.tachiyomi.R
 enum class ReaderBottomButton(val value: String, @StringRes val stringRes: Int) {
     ViewChapters("vc", R.string.action_view_chapters),
     WebView("wb", R.string.action_open_in_web_view),
+    Share("sh", R.string.action_share),
     ReadingMode("rm", R.string.viewer),
     Rotation("rot", R.string.rotation_type),
     CropBordersPager("cbp", R.string.pref_crop_borders_pager),