feat: 优化代码

app/src/main/java/io/legado/app/data/entities/BookSource.kt

@@ -182,6 +182,10 @@ data class BookSource(
         return exploreKinds
     }
 
+    fun showExplore(): Boolean {
+        return enabledExplore && !exploreUrl.isNullOrEmpty()
+    }
+
     /**
      * 执行JS
      */

app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt

@@ -11,6 +11,8 @@ import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.BookSource
 import io.legado.app.help.ItemTouchCallback.OnItemTouchCallbackListener
 import io.legado.app.lib.theme.backgroundColor
+import io.legado.app.utils.invisible
+import io.legado.app.utils.visible
 import kotlinx.android.synthetic.main.item_book_source.view.*
 import org.jetbrains.anko.sdk27.listeners.onClick
 import java.util.*
@@ -89,6 +91,11 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
                     }
                     popupMenu.show()
                 }
+                if (item.showExplore()) {
+                    iv_explore.visible()
+                } else {
+                    iv_explore.invisible()
+                }
             } else {
                 payload.keySet().map {
                     when (it) {
@@ -100,6 +107,11 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
                                 String.format("%s (%s)", item.bookSourceName, item.bookSourceGroup)
                         }
                         "enabled" -> swt_enabled.isChecked = payload.getBoolean(it)
+                        "showExplore" -> if (payload.getBoolean(it)) {
+                            iv_explore.visible()
+                        } else {
+                            iv_explore.invisible()
+                        }
                     }
                 }
             }

app/src/main/java/io/legado/app/ui/book/source/manage/DiffCallBack.kt

@@ -48,6 +48,9 @@ class DiffCallBack(
         if (oldItem.enabled != newItem.enabled) {
             payload.putBoolean("enabled", newItem.enabled)
         }
+        if (oldItem.showExplore() != newItem.showExplore()) {
+            payload.putBoolean("showExplore", newItem.enabledExplore)
+        }
         if (payload.isEmpty) {
             return null
         }

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

@@ -1,11 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:background="?android:attr/selectableItemBackground"
-    android:gravity="center_vertical"
-    android:orientation="horizontal"
     android:padding="16dp">
 
     <io.legado.app.lib.theme.view.ATECheckBox
@@ -13,9 +12,12 @@
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
-        android:layout_weight="1"
         android:singleLine="true"
-        android:textColor="@color/tv_text_default" />
+        android:textColor="@color/tv_text_default"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toLeftOf="@id/swt_enabled"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent" />
 
     <io.legado.app.lib.theme.view.ATESwitch
         android:id="@+id/swt_enabled"
@@ -24,7 +26,10 @@
         android:layout_height="wrap_content"
         android:layout_marginLeft="6dp"
         android:layout_marginRight="6dp"
-        tools:ignore="RtlSymmetry" />
+        tools:ignore="RtlSymmetry"
+        app:layout_constraintRight_toLeftOf="@id/iv_edit"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent" />
 
     <androidx.appcompat.widget.AppCompatImageView
         android:id="@+id/iv_edit"
@@ -35,7 +40,10 @@
         android:contentDescription="@string/edit"
         android:padding="6dp"
         android:src="@drawable/ic_edit"
-        android:tint="@color/tv_text_default" />
+        android:tint="@color/tv_text_default"
+        app:layout_constraintRight_toLeftOf="@id/iv_menu_more"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent" />
 
     <androidx.appcompat.widget.AppCompatImageView
         android:id="@+id/iv_menu_more"
@@ -45,6 +53,17 @@
         android:padding="6dp"
         android:src="@drawable/ic_more_vert"
         android:tint="@color/tv_text_default"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
         tools:ignore="RtlHardcoded" />
 
-</LinearLayout>
+    <io.legado.app.ui.widget.image.CircleImageView
+        android:id="@+id/iv_explore"
+        android:layout_width="8dp"
+        android:layout_height="8dp"
+        android:src="@color/md_green_600"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>