seamless chapter transitions

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Chapter.java

@@ -4,8 +4,11 @@ import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteColumn;
 import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteType;
 
 import java.io.Serializable;
+import java.util.List;
 
 import eu.kanade.tachiyomi.data.database.tables.ChapterTable;
+import eu.kanade.tachiyomi.data.download.model.Download;
+import eu.kanade.tachiyomi.data.source.model.Page;
 import eu.kanade.tachiyomi.util.UrlUtil;
 
 @StorIOSQLiteType(table = ChapterTable.TABLE)
@@ -40,6 +43,8 @@ public class Chapter implements Serializable {
 
     public int status;
 
+    private transient List<Page> pages;
+
     public Chapter() {}
 
     public void setUrl(String url) {
@@ -68,4 +73,15 @@ public class Chapter implements Serializable {
         return chapter;
     }
 
+    public List<Page> getPages() {
+        return pages;
+    }
+
+    public void setPages(List<Page> pages) {
+        this.pages = pages;
+    }
+
+    public boolean isDownloaded() {
+        return status == Download.DOWNLOADED;
+    }
 }

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.java

@@ -128,6 +128,10 @@ public class PreferencesHelper {
         return rxPrefs.getInteger(getKey(R.string.pref_last_catalogue_source_key), -1);
     }
 
+    public boolean seamlessMode() {
+        return prefs.getBoolean(getKey(R.string.pref_seamless_mode_key), true);
+    }
+
     public Preference<Boolean> catalogueAsList() {
         return rxPrefs.getBoolean(getKey(R.string.pref_display_catalogue_as_list), false);
     }

app/src/main/java/eu/kanade/tachiyomi/data/source/model/Page.java

@@ -1,5 +1,9 @@
 package eu.kanade.tachiyomi.data.source.model;
 
+import java.io.Serializable;
+import java.util.List;
+
+import eu.kanade.tachiyomi.data.database.models.Chapter;
 import eu.kanade.tachiyomi.data.network.ProgressListener;
 import rx.subjects.PublishSubject;
 
@@ -8,6 +12,7 @@ public class Page implements ProgressListener {
     private int pageNumber;
     private String url;
     private String imageUrl;
+    private transient Chapter chapter;
     private transient String imagePath;
     private transient volatile int status;
     private transient volatile int progress;
@@ -82,4 +87,16 @@ public class Page implements ProgressListener {
         this.statusSubject = subject;
     }
 
+    public Chapter getChapter() {
+        return chapter;
+    }
+
+    public void setChapter(Chapter chapter) {
+        this.chapter = chapter;
+    }
+
+    public boolean isLastPage() {
+        List<Page> chapterPages = chapter.getPages();
+        return chapterPages.size() -1 == pageNumber;
+    }
 }