epub 显示图片,未完善

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

@@ -133,4 +133,11 @@ data class Book(
             this.tocHtml = this@Book.tocHtml
         }
     }
+
+    fun changeSource(newBook: Book) {
+        newBook.group = group
+        newBook.order = order
+        newBook.customCoverUrl = customCoverUrl
+        newBook.canUpdate = canUpdate
+    }
 }

app/src/main/java/io/legado/app/help/ReadBookConfig.kt

@@ -9,7 +9,7 @@ import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.constant.PreferKey
 import io.legado.app.help.coroutine.Coroutine
-import io.legado.app.ui.book.read.page.ChapterProvider
+import io.legado.app.ui.book.read.page.provider.ChapterProvider
 import io.legado.app.utils.*
 import java.io.File
 

app/src/main/java/io/legado/app/help/storage/Restore.kt

@@ -15,7 +15,7 @@ import io.legado.app.data.entities.*
 import io.legado.app.help.LauncherIconHelp
 import io.legado.app.help.ReadBookConfig
 import io.legado.app.service.help.ReadBook
-import io.legado.app.ui.book.read.page.ChapterProvider
+import io.legado.app.ui.book.read.page.provider.ChapterProvider
 import io.legado.app.utils.*
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.Dispatchers.Main

app/src/main/java/io/legado/app/service/help/ReadBook.kt

@@ -13,8 +13,8 @@ import io.legado.app.help.IntentDataHelp
 import io.legado.app.help.coroutine.Coroutine
 import io.legado.app.model.WebBook
 import io.legado.app.service.BaseReadAloudService
-import io.legado.app.ui.book.read.page.ChapterProvider
 import io.legado.app.ui.book.read.page.entities.TextChapter
+import io.legado.app.ui.book.read.page.provider.ChapterProvider
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.delay

app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt

@@ -131,21 +131,20 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
         }
     }
 
-    fun changeTo(book: Book) {
+    fun changeTo(newBook: Book) {
         execute {
             if (inBookshelf) {
                 bookData.value?.let {
-                    book.group = it.group
+                    it.changeSource(newBook)
-                    book.order = it.order
                     App.db.bookDao().delete(it)
                 }
-                App.db.bookDao().insert(book)
+                App.db.bookDao().insert(newBook)
             }
-            bookData.postValue(book)
+            bookData.postValue(newBook)
-            if (book.tocUrl.isEmpty()) {
+            if (newBook.tocUrl.isEmpty()) {
-                loadBookInfo(book) { upChangeDurChapterIndex(book, it) }
+                loadBookInfo(newBook) { upChangeDurChapterIndex(newBook, it) }
             } else {
-                loadChapter(book) { upChangeDurChapterIndex(book, it) }
+                loadChapter(newBook) { upChangeDurChapterIndex(newBook, it) }
             }
         }
     }

app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt

@@ -146,12 +146,11 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
         }
     }
 
-    fun changeTo(book1: Book) {
+    fun changeTo(newBook: Book) {
         execute {
             ReadBook.upMsg(null)
             ReadBook.book?.let {
-                book1.group = it.group
+                it.changeSource(newBook)
-                book1.order = it.order
                 App.db.bookDao().delete(it)
             }
             ReadBook.prevTextChapter = null
@@ -160,15 +159,15 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
             withContext(Main) {
                 ReadBook.callBack?.upContent()
             }
-            App.db.bookDao().insert(book1)
+            App.db.bookDao().insert(newBook)
-            ReadBook.book = book1
+            ReadBook.book = newBook
-            App.db.bookSourceDao().getBookSource(book1.origin)?.let {
+            App.db.bookSourceDao().getBookSource(newBook.origin)?.let {
                 ReadBook.webBook = WebBook(it)
             }
-            if (book1.tocUrl.isEmpty()) {
+            if (newBook.tocUrl.isEmpty()) {
-                loadBookInfo(book1) { upChangeDurChapterIndex(book1, it) }
+                loadBookInfo(newBook) { upChangeDurChapterIndex(newBook, it) }
             } else {
-                loadChapterList(book1) { upChangeDurChapterIndex(book1, it) }
+                loadChapterList(newBook) { upChangeDurChapterIndex(newBook, it) }
             }
         }
     }

app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt

@@ -14,6 +14,8 @@ import io.legado.app.service.help.ReadBook
 import io.legado.app.ui.book.read.page.entities.TextChar
 import io.legado.app.ui.book.read.page.entities.TextLine
 import io.legado.app.ui.book.read.page.entities.TextPage
+import io.legado.app.ui.book.read.page.provider.ChapterProvider
+import io.legado.app.ui.book.read.page.provider.ImageProvider
 import io.legado.app.utils.activity
 import io.legado.app.utils.getCompatColor
 import io.legado.app.utils.getPrefBoolean

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

@@ -12,6 +12,7 @@ import io.legado.app.constant.AppConst.timeFormat
 import io.legado.app.help.ReadBookConfig
 import io.legado.app.help.ReadTipConfig
 import io.legado.app.ui.book.read.page.entities.TextPage
+import io.legado.app.ui.book.read.page.provider.ChapterProvider
 import io.legado.app.ui.widget.BatteryView
 import io.legado.app.utils.dp
 import io.legado.app.utils.getCompatColor

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

@@ -13,6 +13,7 @@ import io.legado.app.lib.theme.accentColor
 import io.legado.app.service.help.ReadBook
 import io.legado.app.ui.book.read.page.delegate.*
 import io.legado.app.ui.book.read.page.entities.TextChapter
+import io.legado.app.ui.book.read.page.provider.ChapterProvider
 import io.legado.app.utils.activity
 import io.legado.app.utils.screenshot
 import kotlinx.android.synthetic.main.activity_book_read.view.*

app/src/main/java/io/legado/app/ui/book/read/page/delegate/ScrollPageDelegate.kt

@@ -2,8 +2,8 @@ package io.legado.app.ui.book.read.page.delegate
 
 import android.view.MotionEvent
 import android.view.VelocityTracker
-import io.legado.app.ui.book.read.page.ChapterProvider
 import io.legado.app.ui.book.read.page.PageView
+import io.legado.app.ui.book.read.page.provider.ChapterProvider
 
 class ScrollPageDelegate(pageView: PageView) : PageDelegate(pageView) {
 

app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt

@@ -1,8 +1,8 @@
 package io.legado.app.ui.book.read.page.entities
 
 import android.text.TextPaint
-import io.legado.app.ui.book.read.page.ChapterProvider
+import io.legado.app.ui.book.read.page.provider.ChapterProvider
-import io.legado.app.ui.book.read.page.ChapterProvider.textHeight
+import io.legado.app.ui.book.read.page.provider.ChapterProvider.textHeight
 
 data class TextLine(
     var text: String = "",

app/src/main/java/io/legado/app/ui/book/read/page/entities/TextPage.kt

@@ -5,7 +5,7 @@ import android.text.StaticLayout
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.help.ReadBookConfig
-import io.legado.app.ui.book.read.page.ChapterProvider
+import io.legado.app.ui.book.read.page.provider.ChapterProvider
 import java.text.DecimalFormat
 
 data class TextPage(

app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt

@@ -1,4 +1,4 @@
-package io.legado.app.ui.book.read.page
+package io.legado.app.ui.book.read.page.provider
 
 import android.graphics.Typeface
 import android.os.Build
@@ -67,19 +67,21 @@ object ChapterProvider {
                     src = NetworkUtils.getAbsoluteURL(bookChapter.url, src)
                 }
                 src?.let {
-                    durY = setTypeImage(
+                    durY =
-                        book, src, durY,
+                        setTypeImage(
-                        textPages, pageLines,
+                            book, src, durY,
-                        pageLengths, stringBuilder
+                            textPages, pageLines,
-                    )
+                            pageLengths, stringBuilder
+                        )
                 }
             } else {
                 val isTitle = index == 0
                 if (!(isTitle && ReadBookConfig.titleMode == 2)) {
-                    durY = setTypeText(
+                    durY =
-                        text, durY, textPages, pageLines,
+                        setTypeText(
-                        pageLengths, stringBuilder, isTitle
+                            text, durY, textPages, pageLines,
-                    )
+                            pageLengths, stringBuilder, isTitle
+                        )
                 }
             }
         }
@@ -126,11 +128,13 @@ object ChapterProvider {
             var width = it.width
             if (it.width > visibleWidth) {
                 height = it.height * visibleWidth / it.width
-                width = visibleWidth
+                width =
+                    visibleWidth
             }
             if (height > visibleHeight) {
                 width = width * visibleHeight / height
-                height = visibleHeight
+                height =
+                    visibleHeight
             }
             if (durY + height > visibleHeight) {
                 textPages.add(TextPage())
@@ -177,7 +181,8 @@ object ChapterProvider {
         var durY = if (isTitle) y + titleTopSpacing else y
         val textPaint = if (isTitle) titlePaint else contentPaint
         val layout = StaticLayout(
-            text, textPaint, visibleWidth,
+            text, textPaint,
+            visibleWidth,
             Layout.Alignment.ALIGN_NORMAL, 0f, 0f, true
         )
         for (lineIndex in 0 until layout.lineCount) {
@@ -189,7 +194,12 @@ object ChapterProvider {
             if (lineIndex == 0 && layout.lineCount > 1 && !isTitle) {
                 //第一行
                 textLine.text = words
-                addCharsToLineFirst(textLine, words.toStringArray(), textPaint, desiredWidth)
+                addCharsToLineFirst(
+                    textLine,
+                    words.toStringArray(),
+                    textPaint,
+                    desiredWidth
+                )
             } else if (lineIndex == layout.lineCount - 1) {
                 //最后一行
                 textLine.text = "$words\n"
@@ -197,11 +207,22 @@ object ChapterProvider {
                 val x = if (isTitle && ReadBookConfig.titleMode == 1)
                     (visibleWidth - layout.getLineWidth(lineIndex)) / 2
                 else 0f
-                addCharsToLineLast(textLine, words.toStringArray(), textPaint, x)
+                addCharsToLineLast(
+                    textLine,
+                    words.toStringArray(),
+                    textPaint,
+                    x
+                )
             } else {
                 //中间行
                 textLine.text = words
-                addCharsToLineMiddle(textLine, words.toStringArray(), textPaint, desiredWidth, 0f)
+                addCharsToLineMiddle(
+                    textLine,
+                    words.toStringArray(),
+                    textPaint,
+                    desiredWidth,
+                    0f
+                )
             }
             if (durY + textPaint.textHeight > visibleHeight) {
                 //当前页面结束,设置各种值
@@ -237,7 +258,12 @@ object ChapterProvider {
     ) {
         var x = 0f
         if (!ReadBookConfig.textFullJustify) {
-            addCharsToLineLast(textLine, words, textPaint, x)
+            addCharsToLineLast(
+                textLine,
+                words,
+                textPaint,
+                x
+            )
             return
         }
         val bodyIndent = ReadBookConfig.bodyIndent
@@ -252,7 +278,13 @@ object ChapterProvider {
             x = x1
         }
         val words1 = words.copyOfRange(bodyIndent.length, words.size)
-        addCharsToLineMiddle(textLine, words1, textPaint, desiredWidth, x)
+        addCharsToLineMiddle(
+            textLine,
+            words1,
+            textPaint,
+            desiredWidth,
+            x
+        )
     }
 
     /**
@@ -266,7 +298,12 @@ object ChapterProvider {
         startX: Float
     ) {
         if (!ReadBookConfig.textFullJustify) {
-            addCharsToLineLast(textLine, words, textPaint, startX)
+            addCharsToLineLast(
+                textLine,
+                words,
+                textPaint,
+                startX
+            )
             return
         }
         val gapCount: Int = words.lastIndex
@@ -282,7 +319,10 @@ object ChapterProvider {
             )
             x = x1
         }
-        exceed(textLine, words)
+        exceed(
+            textLine,
+            words
+        )
     }
 
     /**
@@ -305,7 +345,10 @@ object ChapterProvider {
             )
             x = x1
         }
-        exceed(textLine, words)
+        exceed(
+            textLine,
+            words
+        )
     }
 
     /**

app/src/main/java/io/legado/app/ui/book/read/page/provider/ImageProvider.kt

@@ -1,4 +1,4 @@
-package io.legado.app.ui.book.read.page
+package io.legado.app.ui.book.read.page.provider
 
 import android.graphics.Bitmap
 import io.legado.app.App
@@ -29,7 +29,9 @@ object ImageProvider {
                     out.close()
                 }
             } else {
-                HttpHelper.getBytes(src)
+                HttpHelper.getBytes(src)?.let {
+                    FileUtils.createFileIfNotExist(vFile.absolutePath).writeBytes(it)
+                }
             }
         }
         return try {