Reader fixes and minor changes

app/src/main/java/eu/kanade/tachiyomi/data/source/online/english/Batoto.kt

@@ -14,6 +14,7 @@ import eu.kanade.tachiyomi.data.source.model.MangasPage
 import eu.kanade.tachiyomi.data.source.model.Page
 import eu.kanade.tachiyomi.data.source.online.LoginSource
 import eu.kanade.tachiyomi.data.source.online.ParsedOnlineSource
+import eu.kanade.tachiyomi.util.selectText
 import okhttp3.FormBody
 import okhttp3.Request
 import okhttp3.Response
@@ -51,30 +52,13 @@ class Batoto(context: Context, override val id: Int) : ParsedOnlineSource(contex
 
     override fun headersBuilder() = super.headersBuilder()
             .add("Cookie", "lang_option=English")
+
+    private val pageHeaders = super.headersBuilder()
             .add("Referer", "http://bato.to/reader")
+            .build()
 
     override fun popularMangaInitialUrl() = "$baseUrl/search_ajax?order_cond=views&order=desc&p=1"
 
-    override fun searchMangaInitialUrl(query: String) = "$baseUrl/search_ajax?name=${Uri.encode(query)}&p=1"
-
-    override fun mangaDetailsRequest(manga: Manga): Request {
-        val mangaId = manga.url.substringAfterLast("r")
-        return GET("$baseUrl/comic_pop?id=$mangaId", headers)
-    }
-
-    override fun pageListRequest(chapter: Chapter): Request {
-        val id = chapter.url.substringAfterLast("#")
-        return GET("$baseUrl/areader?id=$id&p=1", headers)
-    }
-
-    override fun imageUrlRequest(page: Page): Request {
-        val pageUrl = page.url
-        val start = pageUrl.indexOf("#") + 1
-        val end = pageUrl.indexOf("_", start)
-        val id = pageUrl.substring(start, end)
-        return GET("$baseUrl/areader?id=$id&p=${pageUrl.substring(end+1)}", headers)
-    }
-
     override fun popularMangaParse(response: Response, page: MangasPage) {
         val document = Jsoup.parse(response.body().string())
         for (element in document.select(popularMangaSelector())) {
@@ -101,6 +85,8 @@ class Batoto(context: Context, override val id: Int) : ParsedOnlineSource(contex
 
     override fun popularMangaNextPageSelector() = "#show_more_row"
 
+    override fun searchMangaInitialUrl(query: String) = "$baseUrl/search_ajax?name=${Uri.encode(query)}&p=1"
+
     override fun searchMangaParse(response: Response, page: MangasPage, query: String) {
         val document = Jsoup.parse(response.body().string())
         for (element in document.select(searchMangaSelector())) {
@@ -124,15 +110,20 @@ class Batoto(context: Context, override val id: Int) : ParsedOnlineSource(contex
 
     override fun searchMangaNextPageSelector() = popularMangaNextPageSelector()
 
+    override fun mangaDetailsRequest(manga: Manga): Request {
+        val mangaId = manga.url.substringAfterLast("r")
+        return GET("$baseUrl/comic_pop?id=$mangaId", headers)
+    }
+
     override fun mangaDetailsParse(document: Document, manga: Manga) {
         val tbody = document.select("tbody").first()
         val artistElement = tbody.select("tr:contains(Author/Artist:)").first()
 
-        manga.author = artistElement.select("td:eq(1)").first()?.text()
-        manga.artist = artistElement.select("td:eq(2)").first()?.text() ?: manga.author
-        manga.description = tbody.select("tr:contains(Description:) > td:eq(1)").first()?.text()
+        manga.author = artistElement.selectText("td:eq(1)")
+        manga.artist = artistElement.selectText("td:eq(2)") ?: manga.author
+        manga.description = tbody.selectText("tr:contains(Description:) > td:eq(1)")
         manga.thumbnail_url = document.select("img[src^=http://img.bato.to/forums/uploads/]").first()?.attr("src")
-        manga.status = parseStatus(document.select("tr:contains(Status:) > td:eq(1)").first()?.text())
+        manga.status = parseStatus(document.selectText("tr:contains(Status:) > td:eq(1)"))
         manga.genre = tbody.select("tr:contains(Genres:) img").map { it.attr("alt") }.joinToString(", ")
     }
 
@@ -147,7 +138,7 @@ class Batoto(context: Context, override val id: Int) : ParsedOnlineSource(contex
         val matcher = staffNotice.matcher(body)
         if (matcher.find()) {
             val notice = Html.fromHtml(matcher.group(1)).toString().trim()
-            throw RuntimeException(notice)
+            throw Exception(notice)
         }
 
         val document = Jsoup.parse(body)
@@ -197,6 +188,11 @@ class Batoto(context: Context, override val id: Int) : ParsedOnlineSource(contex
         return date.time
     }
 
+    override fun pageListRequest(chapter: Chapter): Request {
+        val id = chapter.url.substringAfterLast("#")
+        return GET("$baseUrl/areader?id=$id&p=1", pageHeaders)
+    }
+
     override fun pageListParse(document: Document, pages: MutableList<Page>) {
         val selectElement = document.select("#page_select").first()
         if (selectElement != null) {
@@ -212,6 +208,14 @@ class Batoto(context: Context, override val id: Int) : ParsedOnlineSource(contex
         }
     }
 
+    override fun imageUrlRequest(page: Page): Request {
+        val pageUrl = page.url
+        val start = pageUrl.indexOf("#") + 1
+        val end = pageUrl.indexOf("_", start)
+        val id = pageUrl.substring(start, end)
+        return GET("$baseUrl/areader?id=$id&p=${pageUrl.substring(end+1)}", pageHeaders)
+    }
+
     override fun imageUrlParse(document: Document): String {
         return document.select("#comic_page").first().attr("src")
     }

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

@@ -226,19 +226,24 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>() {
         // Ignore
     }
 
-    fun onChapterReady(manga: Manga, chapter: Chapter, currentPage: Page?) {
-        val activePage = currentPage ?: chapter.pages.last()
-
+    fun onMangaOpen(manga: Manga) {
         if (viewer == null) {
             viewer = getOrCreateViewer(manga)
         }
-        viewer?.onPageListReady(chapter, activePage)
-
         if (viewer is RightToLeftReader && page_seekbar.rotation != 180f) {
             // Invert the seekbar for the right to left reader
             page_seekbar.rotation = 180f
         }
         setToolbarTitle(manga.title)
+        please_wait.visibility = View.VISIBLE
+        please_wait.startAnimation(AnimationUtils.loadAnimation(this, R.anim.fade_in_long))
+    }
+
+    fun onChapterReady(manga: Manga, chapter: Chapter, currentPage: Page?) {
+        please_wait.visibility = View.GONE
+        val activePage = currentPage ?: chapter.pages.last()
+
+        viewer?.onPageListReady(chapter, activePage)
         setActiveChapter(chapter, activePage.pageNumber)
     }
 

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

@@ -57,10 +57,11 @@ class ReaderPresenter : BasePresenter<ReaderActivity>() {
 
     private var appenderSubscription: Subscription? = null
 
-    private val GET_PAGE_LIST = 1
-    private val GET_ADJACENT_CHAPTERS = 2
-    private val GET_MANGA_SYNC = 3
-    private val PRELOAD_NEXT_CHAPTER = 4
+    private val PREPARE_READER = 1
+    private val GET_PAGE_LIST = 2
+    private val GET_ADJACENT_CHAPTERS = 3
+    private val GET_MANGA_SYNC = 4
+    private val PRELOAD_NEXT_CHAPTER = 5
 
     private val MANGA_KEY = "manga_key"
     private val CHAPTER_KEY = "chapter_key"
@@ -83,6 +84,10 @@ class ReaderPresenter : BasePresenter<ReaderActivity>() {
 
         initializeSubjects()
 
+        restartableLatestCache(PREPARE_READER,
+                { Observable.just(manga) },
+                { view, manga -> view.onMangaOpen(manga) })
+
         startableLatestCache(GET_ADJACENT_CHAPTERS,
                 { getAdjacentChaptersObservable() },
                 { view, pair -> view.onAdjacentChapters(pair.first, pair.second) })
@@ -102,6 +107,7 @@ class ReaderPresenter : BasePresenter<ReaderActivity>() {
                 { view, error -> view.onChapterError(error) })
 
         if (savedState == null) {
+            start(PREPARE_READER)
             loadChapter(chapter)
             if (prefs.autoUpdateMangaSync()) {
                 start(GET_MANGA_SYNC)

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonReader.kt

@@ -98,7 +98,11 @@ class WebtoonReader : BaseReader() {
                 .doOnNext { setDecoderClass(it) }
                 .skip(1)
                 .distinctUntilChanged()
-                .subscribe { recycler.adapter = adapter })
+                .subscribe {
+                    val activePage = layoutManager.findFirstVisibleItemPosition()
+                    recycler.adapter = adapter
+                    setActivePage(activePage)
+                })
 
         setPagesOnAdapter()
         return recycler

app/src/main/res/anim/fade_in_long.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <alpha
+        android:fromAlpha="0.0"
+        android:toAlpha="1.0"
+        android:interpolator="@android:anim/accelerate_interpolator"
+        android:duration="2000"
+        android:fillAfter="true"/>
+</set>

app/src/main/res/layout/activity_reader.xml

@@ -9,6 +9,13 @@
         android:layout_height="match_parent">
     </FrameLayout>
 
+    <ProgressBar
+        android:id="@+id/please_wait"
+        style="?android:attr/progressBarStyleLarge"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"/>
+
     <TextView
         android:id="@+id/page_number"
         style="@style/TextAppearance.Regular.Caption"