update SlidePageDelegate

app/src/main/java/io/legado/app/ui/widget/page/ContentView.kt

@@ -54,7 +54,9 @@ class ContentView : FrameLayout {
 
     }
 
-    fun setContent(text: CharSequence?) {
+    fun setContent(page: TextPage?) {
-        content_text_view.text = text
+        content_text_view.text = page?.text
+
+        //bottom_status_bar draw index
     }
 }

app/src/main/java/io/legado/app/ui/widget/page/PageView.kt

@@ -99,26 +99,26 @@ class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, att
             when (chapterOnDur) {
                 0 -> {
                     cb.textChapter()?.let {
-                        curPage?.setContent(it.page(cb.durChapterPos(it.pageSize()))?.text)
+                        curPage?.setContent(it.page(cb.durChapterPos(it.pageSize())))
                         if (cb.durChapterPos(it.pageSize()) > 0) {
-                            prevPage?.setContent(it.page(cb.durChapterPos(it.pageSize()) - 1)?.text)
+                            prevPage?.setContent(it.page(cb.durChapterPos(it.pageSize()) - 1))
                         }
                         if (cb.durChapterPos(it.pageSize()) < it.pageSize() - 1) {
-                            nextPage?.setContent(it.page(cb.durChapterPos(it.pageSize()) + 1)?.text)
+                            nextPage?.setContent(it.page(cb.durChapterPos(it.pageSize()) + 1))
                         }
                     }
                 }
                 1 -> {
                     cb.textChapter()?.let {
                         if (cb.durChapterPos(it.pageSize()) == it.pageSize() - 1) {
-                            nextPage?.setContent(cb.textChapter(1)?.page(0)?.text)
+                            nextPage?.setContent(cb.textChapter(1)?.page(0))
                         }
                     }
                 }
                 -1 -> {
                     cb.textChapter()?.let {
                         if (cb.durChapterPos(it.pageSize()) == 0) {
-                            prevPage?.setContent(cb.textChapter(-1)?.lastPage()?.text)
+                            prevPage?.setContent(cb.textChapter(-1)?.lastPage())
                         }
                     }
                 }
@@ -143,9 +143,9 @@ class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, att
                 }
             }
 
-            prevPage?.setContent(it.previousPage()?.text)
+            prevPage?.setContent(it.previousPage())
-            curPage?.setContent(it.currentPage()?.text)
+            curPage?.setContent(it.currentPage())
-            nextPage?.setContent(it.nextPage()?.text)
+            nextPage?.setContent(it.nextPage())
         }
     }
 
@@ -154,9 +154,9 @@ class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, att
 
         //可做成异步回调
         pageFactory?.let {
-            prevPage?.setContent(it.previousPage()?.text)
+            prevPage?.setContent(it.previousPage())
-            curPage?.setContent(it.currentPage()?.text)
+            curPage?.setContent(it.currentPage())
-            nextPage?.setContent(it.nextPage()?.text)
+            nextPage?.setContent(it.nextPage())
         }
     }