Merge pull request #1936 from Xwite/master

fix(EpubFile/parseFirstPage): parse all contents

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

@@ -153,8 +153,8 @@ class ContentProcessor private constructor(
                 } catch (e: CancellationException) {
                     return mContent
                 } catch (e: Exception) {
-                    AppLog.put("${item.name}替换出错\n替换内容\n${mContent}", e)
-                    appCtx.toastOnUi("${item.name}替换出错")
+                    AppLog.put("替换净化: 规则 ${item.name}替换出错\n替换内容\n${mContent}", e)
+                    appCtx.toastOnUi("替换净化: 规则 ${item.name}替换出错")
                 }
             }
         }

app/src/main/java/io/legado/app/model/localBook/EpubFile.kt

@@ -121,6 +121,14 @@ class EpubFile(var book: Book) {
     }
 
     private fun getContent(chapter: BookChapter): String? {
+         /**
+          * <image width="1038" height="670" xlink:href="cover.jpeg"/>
+          * <img width="1038" height="670" src="cover.jpeg"/>
+          * titlepage.xhtml
+          */
+        if (chapter.url == "titlepage.xhtml") {
+            return "<img src=\"cover.jpeg\" />"
+        }
         /*获取当前章节文本*/
         epubBook?.let { epubBook ->
             val nextUrl = chapter.getVariable("nextUrl")
@@ -139,10 +147,10 @@ class EpubFile(var book: Book) {
                     * content src text/000001.html（当前章节）
 -                   * content src text/000001.html#toc_id_x (下一章节）
                      */
-                    if (!nextUrl.isNullOrBlank() && res.href == nextUrl!!.substringBeforeLast("#")) break
+                    if (res.href == nextUrl?.substringBeforeLast("#")) break
                 } else if (isChapter) {
                     // fix 最后一章存在多个html时 内容缺失
-                    if (!nextUrl.isNullOrBlank() && res.href == nextUrl.substringBeforeLast("#")) {
+                    if (res.href == nextUrl?.substringBeforeLast("#")) {
                         break
                     }
                     elements.add(getBody(res, startFragmentId, endFragmentId))
@@ -188,6 +196,7 @@ class EpubFile(var book: Book) {
     }
 
     private fun getImage(href: String): InputStream? {
+        if (href == "cover.jpeg") return epubBook?.coverImage?.inputStream
         val abHref = href.replace("../", "")
         return epubBook?.resources?.getByHref(abHref)?.inputStream
     }
@@ -276,8 +285,12 @@ class EpubFile(var book: Book) {
         while (i < contents.size) {
             val content = contents[i]
             if (!content.mediaType.toString().contains("htm")) continue
-            /*检索到第一章href停止*/
-            if (refs[0].completeHref == content.href) break
+            /**
+             * 检索到第一章href停止
+             * completeHref可能有fragment(#id) 必须去除
+             * fix https://github.com/gedoor/legado/issues/1932
+             */
+            if (refs[0].completeHref.substringBeforeLast("#") == content.href) break
             val chapter = BookChapter()
             var title = content.title
             if (TextUtils.isEmpty(title)) {

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

@@ -394,9 +394,10 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
 
     fun refreshImage(src: String) {
         execute {
-            ImageProvider.bitmapLruCache.remove(src)
             ReadBook.book?.let { book ->
-                BookHelp.getImage(book, src).delete()
+                val vFile = BookHelp.getImage(book, src)
+                ImageProvider.bitmapLruCache.remove(vFile.absolutePath)
+                vFile.delete()
             }
         }.onFinally {
             ReadBook.loadContent(false)

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

@@ -29,25 +29,26 @@ object ImageProvider {
 
     /**
      * 缓存bitmap LruCache实现
+     * filePath bitmap
      */
     private const val M = 1024 * 1024
     val cacheSize get() = AppConfig.bitmapCacheSize * M
     val bitmapLruCache = object : LruCache<String, Bitmap>(cacheSize) {
 
-        override fun sizeOf(key: String, bitmap: Bitmap): Int {
+        override fun sizeOf(filePath: String, bitmap: Bitmap): Int {
             return bitmap.byteCount
         }
 
         override fun entryRemoved(
             evicted: Boolean,
-            key: String,
+            filePath: String,
             oldBitmap: Bitmap,
             newBitmap: Bitmap?
         ) {
             //错误图片不能释放,占位用,防止一直重复获取图片
             if (oldBitmap != errorBitmap) {
                 oldBitmap.recycle()
-                putDebug("ImageProvider: trigger bitmap recycle. URI: $key")
+                putDebug("ImageProvider: trigger bitmap recycle. URI: $filePath")
                 putDebug("ImageProvider : cacheUsage ${size()}bytes / ${maxSize()}bytes")
             }
         }
@@ -112,19 +113,21 @@ object ImageProvider {
         width: Int,
         height: Int? = null
     ): Bitmap {
-        val cacheBitmap = bitmapLruCache.get(src)
-        if (cacheBitmap != null) return cacheBitmap
         val vFile = BookHelp.getImage(book, src)
         if (!vFile.exists()) return errorBitmap
+        //epub文件提供图片链接是相对链接，同时阅读多个epub文件，缓存命中错误
+        //bitmapLruCache的key同一改成缓存文件的路径
+        val cacheBitmap = bitmapLruCache.get(vFile.absolutePath)
+        if (cacheBitmap != null) return cacheBitmap
         @Suppress("BlockingMethodInNonBlockingContext")
         return kotlin.runCatching {
             val bitmap = BitmapUtils.decodeBitmap(vFile.absolutePath, width, height)
                 ?: throw NoStackTraceException("解析图片失败")
-            bitmapLruCache.put(src, bitmap)
+            bitmapLruCache.put(vFile.absolutePath, bitmap)
             bitmap
         }.onFailure {
             //错误图片占位,防止重复获取
-            bitmapLruCache.put(src, errorBitmap)
+            bitmapLruCache.put(vFile.absolutePath, errorBitmap)
             putDebug(
                 "ImageProvider: decode bitmap failed. path: ${vFile.absolutePath}\n$it",
                 it