增加水平滚动 (#4760)

* 优化

* 页脚增加章节名称配置，增加返回提示加入书架

* 增加水平滚动

app/src/main/java/io/legado/app/constant/PreferKey.kt

@@ -100,6 +100,7 @@ object PreferKey {
     const val mangaFooterConfig = "mangaFooterConfig"
     const val singlePageScrolling = "singlePageScrolling"
     const val disableClickScroller = "disableClickScroller"
+    const val enableMangaHorizontalScroller="enableMangaHorizontalScroller"
     const val autoRefresh = "auto_refresh"
     const val defaultToRead = "defaultToRead"
     const val exportCharset = "exportCharset"

app/src/main/java/io/legado/app/help/config/AppConfig.kt

@@ -651,5 +651,11 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
             appCtx.putPrefString(PreferKey.mangaFooterConfig, value)
         }
 
+    //漫画水平滚动
+    var enableMangaHorizontalScroller
+        get() = appCtx.getPrefBoolean(PreferKey.enableMangaHorizontalScroller, false)
+        set(value) {
+            appCtx.putPrefBoolean(PreferKey.enableMangaHorizontalScroller, value)
+        }
 }
 

app/src/main/java/io/legado/app/model/recyclerView/MangaVH.kt

@@ -3,6 +3,7 @@ package io.legado.app.model.recyclerView
 import android.annotation.SuppressLint
 import android.content.Context
 import android.graphics.drawable.Drawable
+import android.view.Gravity
 import android.view.ViewGroup
 import android.view.ViewGroup.LayoutParams.MATCH_PARENT
 import android.view.ViewGroup.LayoutParams.WRAP_CONTENT
@@ -52,7 +53,7 @@ open class MangaVH<VB : ViewBinding>(val binding: VB, private val context: Conte
     }
 
     @SuppressLint("CheckResult")
-    fun loadImageWithRetry(imageUrl: String) {
+    fun loadImageWithRetry(imageUrl: String, isHorizontal: Boolean) {
         mFlProgress.isVisible = true
         mLoading.isVisible = true
         mRetry?.isGone = true
@@ -102,8 +103,14 @@ open class MangaVH<VB : ViewBinding>(val binding: VB, private val context: Conte
                     isFirstResource: Boolean,
                 ): Boolean {
                     mFlProgress.isGone = true
-                    itemView.updateLayoutParams<ViewGroup.LayoutParams> {
-                        height = WRAP_CONTENT
+                    if (!isHorizontal) {
+                        itemView.updateLayoutParams<ViewGroup.LayoutParams> {
+                            height = WRAP_CONTENT
+                        }
+                    } else {
+                        mImage.updateLayoutParams<FrameLayout.LayoutParams> {
+                            gravity = Gravity.CENTER
+                        }
                     }
                     return false
                 }

app/src/main/java/io/legado/app/ui/book/manga/ReadMangaActivity.kt

@@ -73,7 +73,11 @@ class ReadMangaActivity : VMBaseActivity<ActivityMangaBinding, MangaViewModel>()
     ReadManga.Callback, ChangeBookSourceDialog.CallBack, MangaMenu.CallBack {
 
     private val mLayoutManager by lazy {
-        LinearLayoutManager(this@ReadMangaActivity)
+        LinearLayoutManager(
+            this@ReadMangaActivity,
+            if (AppConfig.enableMangaHorizontalScroller) LinearLayoutManager.HORIZONTAL else LinearLayoutManager.VERTICAL,
+            false
+        )
     }
     private val mAdapter: MangaAdapter by lazy {
         MangaAdapter(this@ReadMangaActivity)
@@ -92,18 +96,8 @@ class ReadMangaActivity : VMBaseActivity<ActivityMangaBinding, MangaViewModel>()
         )
     }
 
-    private val mPagerSnapHelper: PagerSnapHelper by lazy {
-        object : PagerSnapHelper() {
-            override fun calculateDistanceToFinalSnap(
-                layoutManager: RecyclerView.LayoutManager,
-                targetView: View
-            ): IntArray {
-                val out = IntArray(2)
-                out[1] = targetView.top - binding.mRecyclerMange.paddingTop
-                return out
-            }
-        }
-    }
+    private var mPagerSnapHelper: PagerSnapHelper? = null
+
     private var mDisableAutoScrollPage = false
     private val mInitMangaAutoPageSpeed by lazy {
         AppConfig.mangaAutoPageSpeed
@@ -197,6 +191,7 @@ class ReadMangaActivity : VMBaseActivity<ActivityMangaBinding, MangaViewModel>()
     }
 
     private fun initRecyclerView() {
+        mAdapter.isHorizontal = AppConfig.enableMangaHorizontalScroller
         binding.mRecyclerMange.run {
             adapter = mAdapter
             itemAnimator = null
@@ -205,11 +200,14 @@ class ReadMangaActivity : VMBaseActivity<ActivityMangaBinding, MangaViewModel>()
             mLayoutManager.initialPrefetchItemCount = 4
             mLayoutManager.isItemPrefetchEnabled = true
             setItemViewCacheSize(AppConfig.preDownloadNum)
-            singlePagerScroller(AppConfig.singlePageScrolling)
+            singlePagerScroller(
+                AppConfig.singlePageScrolling,
+                AppConfig.enableMangaHorizontalScroller
+            )
             disabledClickScroller(AppConfig.disableClickScroller)
             disableMangaScaling(AppConfig.disableMangaScaling)
-            setPreScrollListener { _, _, dy, position ->
-                if (dy > 0 && position + 2 > mAdapter.getCurrentList().size - 3) {
+            setPreScrollListener { _, dx, dy, position ->
+                if ((dy > 0 || dx > 0) && position + 2 > mAdapter.getCurrentList().size - 3) {
                     if (mAdapter.getCurrentList().last() is ReaderLoading) {
                         val nextIndex =
                             (mAdapter.getCurrentList().last() as ReaderLoading).mNextChapterIndex
@@ -319,7 +317,7 @@ class ReadMangaActivity : VMBaseActivity<ActivityMangaBinding, MangaViewModel>()
         chapterPageCount: Int,
         chapterPos: Int,
         chapterCount: Int,
-        chapterName: String
+        chapterName: String,
     ) {
         mMangaFooterConfig.run {
             mLabelBuilder.clear()
@@ -490,7 +488,7 @@ class ReadMangaActivity : VMBaseActivity<ActivityMangaBinding, MangaViewModel>()
             R.id.menu_scroller_page -> {
                 item.isChecked = !item.isChecked
                 AppConfig.singlePageScrolling = item.isChecked
-                singlePagerScroller(item.isChecked)
+                singlePagerScroller(item.isChecked, AppConfig.enableMangaHorizontalScroller)
             }
 
             R.id.menu_disable_manga_scaling -> {
@@ -531,6 +529,19 @@ class ReadMangaActivity : VMBaseActivity<ActivityMangaBinding, MangaViewModel>()
             R.id.menu_manga_footer_config -> {
                 MangaFooterSettingDialog().show(supportFragmentManager, "mangaFooterSettingDialog")
             }
+
+            R.id.menu_enable_horizontal_scroller -> {
+                item.isChecked = !item.isChecked
+                AppConfig.enableMangaHorizontalScroller = item.isChecked
+                mLayoutManager.orientation =
+                    if (item.isChecked) LinearLayoutManager.HORIZONTAL else LinearLayoutManager.VERTICAL
+                singlePagerScroller(AppConfig.singlePageScrolling, item.isChecked)
+                mAdapter.isHorizontal = item.isChecked
+                mAdapter.notifyItemRangeChanged(
+                    ReadManga.durChapterPos.minus(2),
+                    mAdapter.getCurrentList().size
+                )
+            }
         }
         return super.onCompatOptionsItemSelected(item)
     }
@@ -576,11 +587,26 @@ class ReadMangaActivity : VMBaseActivity<ActivityMangaBinding, MangaViewModel>()
         binding.mRecyclerMange.addOnScrollListener(mRecyclerViewPreloader!!)
     }
 
-    private fun singlePagerScroller(value: Boolean) {
-        if (value) {
-            mPagerSnapHelper.attachToRecyclerView(binding.mRecyclerMange)
+    private fun singlePagerScroller(enableSingleScroll: Boolean, enableHorizontalScroll: Boolean) {
+        if (enableSingleScroll) {
+            mPagerSnapHelper?.attachToRecyclerView(null)
+            mPagerSnapHelper = if (enableHorizontalScroll) {
+                PagerSnapHelper()
+            } else {
+                object : PagerSnapHelper() {
+                    override fun calculateDistanceToFinalSnap(
+                        layoutManager: RecyclerView.LayoutManager,
+                        targetView: View,
+                    ): IntArray {
+                        val out = IntArray(2)
+                        out[1] = targetView.top - binding.mRecyclerMange.paddingTop
+                        return out
+                    }
+                }
+            }
+            mPagerSnapHelper?.attachToRecyclerView(binding.mRecyclerMange)
         } else {
-            mPagerSnapHelper.attachToRecyclerView(null)
+            mPagerSnapHelper?.attachToRecyclerView(null)
         }
     }
 
@@ -594,6 +620,8 @@ class ReadMangaActivity : VMBaseActivity<ActivityMangaBinding, MangaViewModel>()
         menu.findItem(R.id.menu_disable_click_scroller).isChecked = AppConfig.disableClickScroller
         menu.findItem(R.id.menu_manga_auto_page_speed).title =
             getString(R.string.manga_auto_page_speed, mMangaAutoPageSpeed)
+        menu.findItem(R.id.menu_enable_horizontal_scroller).isChecked =
+            AppConfig.enableMangaHorizontalScroller
     }
 
     private fun disableMangaScaling(disable: Boolean) {
@@ -662,7 +690,7 @@ class ReadMangaActivity : VMBaseActivity<ActivityMangaBinding, MangaViewModel>()
         min: Int,
         title: String,
         initValue: Int,
-        callback: (Int) -> Unit
+        callback: (Int) -> Unit,
     ) {
         NumberPickerDialog(this)
             .setTitle(title)

app/src/main/java/io/legado/app/ui/book/manga/rv/MangaAdapter.kt

@@ -22,8 +22,8 @@ import io.legado.app.databinding.BookComicRvBinding
 import io.legado.app.help.glide.progress.ProgressManager
 import io.legado.app.model.BookCover
 import io.legado.app.model.ReadManga
-import io.legado.app.model.recyclerView.MangaVH
 import io.legado.app.model.recyclerView.MangaContent
+import io.legado.app.model.recyclerView.MangaVH
 import io.legado.app.model.recyclerView.ReaderLoading
 import io.legado.app.utils.getCompatDrawable
 import java.util.Collections
@@ -37,6 +37,8 @@ class MangaAdapter(private val context: Context) :
         private const val CONTENT_VIEW = 1
     }
 
+    var isHorizontal = false
+
     private val mDiffCallback: DiffUtil.ItemCallback<Any> = object : DiffUtil.ItemCallback<Any>() {
         override fun areItemsTheSame(oldItem: Any, newItem: Any): Boolean {
             return if (oldItem is ReaderLoading && newItem is ReaderLoading) {
@@ -89,13 +91,13 @@ class MangaAdapter(private val context: Context) :
             binding.retry.setOnClickListener {
                 val item = mDiffer.currentList[layoutPosition]
                 if (item is MangaContent) {
-                    loadImageWithRetry(item.mImageUrl)
+                    loadImageWithRetry(item.mImageUrl, isHorizontal)
                 }
             }
         }
 
         fun onBind(item: MangaContent) {
-            loadImageWithRetry(item.mImageUrl)
+            loadImageWithRetry(item.mImageUrl, isHorizontal)
         }
     }
 

app/src/main/res/menu/book_manga.xml

@@ -54,12 +54,19 @@
 
     <item
         android:id="@+id/menu_manga_auto_page_speed"
-        android:visible="false"
         android:title="@string/manga_auto_page_speed"
+        android:visible="false"
+        app:showAsAction="never" />
+
+    <item
+        android:id="@+id/menu_enable_horizontal_scroller"
+        android:checkable="true"
+        android:checked="false"
+        android:title="@string/enable_manga_horizontal_scroller"
         app:showAsAction="never" />
 
     <item
         android:id="@+id/menu_manga_footer_config"
         android:title="@string/manga_footer_config"
-        app:showAsAction="never"/>
+        app:showAsAction="never" />
 </menu>

app/src/main/res/values-es-rES/strings.xml

@@ -1205,4 +1205,5 @@
     <string name="manga_header_footer">页脚</string>
     <string name="manga_radio_left">靠左</string>
     <string name="manga_radio_center">居中</string>
+    <string name="enable_manga_horizontal_scroller">水平滚动</string>
 </resources>

app/src/main/res/values-ja-rJP/strings.xml

@@ -1208,4 +1208,5 @@
     <string name="manga_header_footer">页脚</string>
     <string name="manga_radio_left">靠左</string>
     <string name="manga_radio_center">居中</string>
+    <string name="enable_manga_horizontal_scroller">水平滚动</string>
 </resources>

app/src/main/res/values-pt-rBR/strings.xml

@@ -1208,4 +1208,5 @@
     <string name="manga_header_footer">页脚</string>
     <string name="manga_radio_left">靠左</string>
     <string name="manga_radio_center">居中</string>
+    <string name="enable_manga_horizontal_scroller">水平滚动</string>
 </resources>

app/src/main/res/values-vi/strings.xml

@@ -1204,4 +1204,5 @@ Còn </string>
     <string name="manga_header_footer">页脚</string>
     <string name="manga_radio_left">靠左</string>
     <string name="manga_radio_center">居中</string>
+    <string name="enable_manga_horizontal_scroller">水平滚动</string>
 </resources>

app/src/main/res/values-zh-rHK/strings.xml

@@ -1205,4 +1205,5 @@
     <string name="manga_header_footer">页脚</string>
     <string name="manga_radio_left">靠左</string>
     <string name="manga_radio_center">居中</string>
+    <string name="enable_manga_horizontal_scroller">水平滚动</string>
 </resources>

app/src/main/res/values-zh-rTW/strings.xml

@@ -1207,4 +1207,5 @@
     <string name="manga_header_footer">页脚</string>
     <string name="manga_radio_left">靠左</string>
     <string name="manga_radio_center">居中</string>
+    <string name="enable_manga_horizontal_scroller">水平滚动</string>
 </resources>

app/src/main/res/values-zh/strings.xml

@@ -1207,4 +1207,5 @@
     <string name="manga_header_footer">页脚</string>
     <string name="manga_radio_left">靠左</string>
     <string name="manga_radio_center">居中</string>
+    <string name="enable_manga_horizontal_scroller">水平滚动</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -1208,4 +1208,5 @@
     <string name="manga_header_footer">页脚</string>
     <string name="manga_radio_left">靠左</string>
     <string name="manga_radio_center">居中</string>
+    <string name="enable_manga_horizontal_scroller">水平滚动</string>
 </resources>