Merge pull request #1786 from Xwite/master

缓存正文bitmap;其他优化

app/src/main/java/io/legado/app/help/glide/ImageLoader.kt

@@ -6,8 +6,8 @@ import android.graphics.drawable.Drawable
 import android.net.Uri
 import androidx.annotation.DrawableRes
 import com.bumptech.glide.RequestBuilder
-import io.legado.app.constant.AppPattern.dataUriRegex
 import io.legado.app.utils.isAbsUrl
+import io.legado.app.utils.isDataUrl
 import io.legado.app.utils.isContentScheme
 import java.io.File
 
@@ -20,7 +20,7 @@ object ImageLoader {
     fun load(context: Context, path: String?): RequestBuilder<Drawable> {
         return when {
             path.isNullOrEmpty() -> GlideApp.with(context).load(path)
-            dataUriRegex.find(path) != null -> GlideApp.with(context).load(path)
+            path.isDataUrl() -> GlideApp.with(context).load(path)
             path.isAbsUrl() -> GlideApp.with(context).load(path)
             path.isContentScheme() -> GlideApp.with(context).load(Uri.parse(path))
             else -> kotlin.runCatching {
@@ -34,6 +34,7 @@ object ImageLoader {
     fun loadBitmap(context: Context, path: String?): RequestBuilder<Bitmap> {
         return when {
             path.isNullOrEmpty() -> GlideApp.with(context).asBitmap().load(path)
+            path.isDataUrl() -> GlideApp.with(context).asBitmap().load(path)
             path.isAbsUrl() -> GlideApp.with(context).asBitmap().load(path)
             path.isContentScheme() -> GlideApp.with(context).asBitmap().load(Uri.parse(path))
             else -> kotlin.runCatching {

app/src/main/java/io/legado/app/help/glide/OkHttpModelLoader.kt

@@ -5,6 +5,7 @@ import com.bumptech.glide.load.Options
 import com.bumptech.glide.load.model.GlideUrl
 import com.bumptech.glide.load.model.ModelLoader
 import io.legado.app.model.analyzeRule.AnalyzeUrl
+import io.legado.app.utils.isAbsUrl
 
 import java.io.InputStream
 
@@ -19,7 +20,11 @@ object OkHttpModelLoader : ModelLoader<GlideUrl?, InputStream?> {
         height: Int,
         options: Options
     ): ModelLoader.LoadData<InputStream?> {
-        val modelWithHeader = AnalyzeUrl(model.toString()).getGlideUrl()
+        val cacheKey = model.toString()
+        var modelWithHeader = model
+        if (cacheKey.isAbsUrl()) {
+            modelWithHeader = AnalyzeUrl(cacheKey).getGlideUrl()
+        }
         return ModelLoader.LoadData(modelWithHeader, OkHttpStreamFetcher(modelWithHeader, options))
     }
 

app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeUrl.kt

@@ -71,6 +71,7 @@ class AnalyzeUrl(
     private var webJs: String? = null
 
     init {
+        if (!mUrl.isDataUrl()) {
             val urlMatcher = paramPattern.matcher(baseUrl)
             if (urlMatcher.find()) baseUrl = baseUrl.substring(0, urlMatcher.start())
             (headerMapF ?: source?.getHeaderMap(true))?.let {
@@ -82,6 +83,7 @@ class AnalyzeUrl(
             }
             initUrl()
         }
+    }
 
     /**
      * 处理url
@@ -457,10 +459,9 @@ class AnalyzeUrl(
      * 访问网站,返回ByteArray
      */
     suspend fun getByteArrayAwait(): ByteArray {
+        val concurrentRecord = fetchStart()
         @Suppress("RegExpRedundantEscape")
         val dataUriFindResult = dataUriRegex.find(urlNoQuery)
-        val concurrentRecord = fetchStart()
-        setCookie(source?.getKey())
         @Suppress("BlockingMethodInNonBlockingContext")
         if (dataUriFindResult != null) {
             val dataUriBase64 = dataUriFindResult.groupValues[1]
@@ -468,6 +469,7 @@ class AnalyzeUrl(
             fetchEnd(concurrentRecord)
             return byteArray
         } else {
+            setCookie(source?.getKey())
             val byteArray = getProxyClient(proxy).newCallResponseBody(retry) {
                 addHeaders(headerMap)
                 when (method) {

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

@@ -0,0 +1,21 @@
+package io.legado.app.model.localBook
+
+import io.legado.app.data.entities.Book
+import io.legado.app.data.entities.BookChapter
+import java.io.InputStream
+
+/**
+ *companion object interface
+ *see EpubFile.kt
+ */
+interface BaseLocalBookParse {
+
+    fun upBookInfo(book: Book)
+
+    fun getChapterList(book: Book): ArrayList<BookChapter>
+
+    fun getContent(book: Book, chapter: BookChapter): String?
+
+    fun getImage(book: Book, href: String): InputStream?
+
+}

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

@@ -25,7 +25,7 @@ import java.util.zip.ZipFile
 
 class EpubFile(var book: Book) {
 
-    companion object {
+    companion object : BaseLocalBookParse {
         private var eFile: EpubFile? = null
 
         @Synchronized
@@ -41,17 +41,17 @@ class EpubFile(var book: Book) {
         }
 
         @Synchronized
-        fun getChapterList(book: Book): ArrayList<BookChapter> {
+        override fun getChapterList(book: Book): ArrayList<BookChapter> {
             return getEFile(book).getChapterList()
         }
 
         @Synchronized
-        fun getContent(book: Book, chapter: BookChapter): String? {
+        override fun getContent(book: Book, chapter: BookChapter): String? {
             return getEFile(book).getContent(chapter)
         }
 
         @Synchronized
-        fun getImage(
+        override fun getImage(
             book: Book,
             href: String
         ): InputStream? {
@@ -59,7 +59,7 @@ class EpubFile(var book: Book) {
         }
 
         @Synchronized
-        fun upBookInfo(book: Book) {
+        override fun upBookInfo(book: Book) {
             return getEFile(book).upBookInfo()
         }
     }

app/src/main/java/io/legado/app/model/localBook/README.md

@@ -0,0 +1,7 @@
+# 本地书籍解析
+
+* BaseLocalBookParse.kt 本地书籍解析接口
+* LocalBook.kt 总入口
+* TextFile.kt 解析txt
+* EpubFile.kt 解析epub
+* UmdFile.kt 解析umd

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

@@ -11,7 +11,7 @@ import java.io.File
 import java.io.InputStream
 
 class UmdFile(var book: Book) {
-    companion object {
+    companion object : BaseLocalBookParse {
         private var uFile: UmdFile? = null
 
         @Synchronized
@@ -25,17 +25,17 @@ class UmdFile(var book: Book) {
         }
 
         @Synchronized
-        fun getChapterList(book: Book): ArrayList<BookChapter> {
+        override fun getChapterList(book: Book): ArrayList<BookChapter> {
             return getUFile(book).getChapterList()
         }
 
         @Synchronized
-        fun getContent(book: Book, chapter: BookChapter): String? {
+        override fun getContent(book: Book, chapter: BookChapter): String? {
             return getUFile(book).getContent(chapter)
         }
 
         @Synchronized
-        fun getImage(
+        override fun getImage(
             book: Book,
             href: String
         ): InputStream? {
@@ -44,7 +44,7 @@ class UmdFile(var book: Book) {
 
 
         @Synchronized
-        fun upBookInfo(book: Book) {
+        override fun upBookInfo(book: Book) {
             return getUFile(book).upBookInfo()
         }
     }

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

@@ -3,6 +3,7 @@ package io.legado.app.ui.book.read.page.provider
 import android.graphics.Bitmap
 import android.graphics.BitmapFactory
 import android.util.Size
+import androidx.collection.LruCache
 import io.legado.app.R
 import io.legado.app.constant.AppLog.putDebug
 import io.legado.app.data.entities.Book
@@ -23,6 +24,33 @@ object ImageProvider {
         BitmapFactory.decodeResource(appCtx.resources, R.drawable.image_loading_error)
     }
 
+    /**
+     *缓存bitmap LruCache实现
+     */
+    //private val maxMemory = Runtime.getRuntime().maxMemory()
+    //private val cacheMemorySize = (maxMemory / 8) as Int
+    private val cacheMemorySize: Int = 1024 * 1024 * 1024 //1G
+    private val bitmapLruCache = object : LruCache<String, Bitmap>(cacheMemorySize) {
+        override fun sizeOf(key: String, bitmap: Bitmap): Int {
+            return bitmap.getByteCount()
+        }
+        override fun entryRemoved(
+            evicted: Boolean,
+            key: String,
+            oldBitmap: Bitmap,
+            newBitmap: Bitmap?
+        ) {
+            if (evicted) {
+               oldBitmap.recycle()
+               putDebug("自动回收Bitmap path: $key")
+               putDebug("bitmapLruCache : ${size()} / ${maxSize()}")
+            }
+        }
+    }
+
+    /**
+     *缓存网络图片和epub图片
+     */
     suspend fun cacheImage(
         book: Book,
         src: String,
@@ -45,6 +73,9 @@ object ImageProvider {
         return vFile
     }
 
+    /**
+     *获取图片宽度高度信息
+     */
     suspend fun getImageSize(
         book: Book,
         src: String,
@@ -61,37 +92,23 @@ object ImageProvider {
         return Size(op.outWidth, op.outHeight)
     }
 
+    /**
+     *获取bitmap 使用LruCache缓存
+     */
     fun getImage(
         book: Book,
         src: String,
         width: Int,
-        height: Int
-    ): Bitmap {
-        val vFile = BookHelp.getImage(book, src)
-        @Suppress("BlockingMethodInNonBlockingContext")
-        return try {
-            BitmapUtils.decodeBitmap(vFile.absolutePath, width, height)
-        } catch (e: Exception) {
-            Coroutine.async {
-                putDebug("${vFile.absolutePath} 解码失败\n$e", e)
-                if (FileUtils.readText(vFile.absolutePath).isXml()) {
-                    putDebug("${vFile.absolutePath}为xml，自动删除")
-                    vFile.delete()
-                }
-            }
-            errorBitmap
-        }
-    }
-
-    fun getImage(
-        book: Book,
-        src: String,
-        width: Int
+        height: Int? = null
     ): Bitmap {
+        val cacheBitmap = bitmapLruCache.get(src)
+        if (cacheBitmap != null) return cacheBitmap
         val vFile = BookHelp.getImage(book, src)
         @Suppress("BlockingMethodInNonBlockingContext")
         return try {
-            BitmapUtils.decodeBitmap(vFile.absolutePath, width)
+            val bitmap = BitmapUtils.decodeBitmap(vFile.absolutePath, width, height)
+            bitmapLruCache.put(src, bitmap)
+            bitmap
         } catch (e: Exception) {
             Coroutine.async {
                 putDebug("${vFile.absolutePath} 解码失败\n$e", e)

app/src/main/java/io/legado/app/utils/BitmapUtils.kt

@@ -27,7 +27,7 @@ object BitmapUtils {
      * @return
      */
     @Throws(IOException::class)
-    fun decodeBitmap(path: String, width: Int, height: Int): Bitmap {
+    fun decodeBitmap(path: String, width: Int, height: Int? = null): Bitmap {
 
         val fis = FileInputStream(path)
         return fis.use {
@@ -35,44 +35,35 @@ object BitmapUtils {
             // inJustDecodeBounds如果设置为true,仅仅返回图片实际的宽和高,宽和高是赋值给opts.outWidth,opts.outHeight;
             op.inJustDecodeBounds = true
             BitmapFactory.decodeFileDescriptor(fis.fd, null, op)
-            //获取比例大小
-            val wRatio = ceil((op.outWidth / width).toDouble()).toInt()
-            val hRatio = ceil((op.outHeight / height).toDouble()).toInt()
-            //如果超出指定大小，则缩小相应的比例
-            if (wRatio > 1 && hRatio > 1) {
-                if (wRatio > hRatio) {
-                    op.inSampleSize = wRatio
-                } else {
-                    op.inSampleSize = hRatio
-                }
-            }
+            op.inSampleSize = calculateInSampleSize(op, width, height)
             op.inJustDecodeBounds = false
             BitmapFactory.decodeFileDescriptor(fis.fd, null, op)
 
         }
     }
 
-    @Throws(IOException::class)
-    fun decodeBitmap(path: String, width: Int): Bitmap {
-
-        val fis = FileInputStream(path)
-
-        return fis.use {
-            val op = BitmapFactory.Options()
-            // inJustDecodeBounds如果设置为true,仅仅返回图片实际的宽和高,宽和高是赋值给opts.outWidth,opts.outHeight;
-            op.inJustDecodeBounds = true
-
-            BitmapFactory.decodeFileDescriptor(fis.fd, null, op)
+    /**
+     *计算 InSampleSize。缺省返回1
+     * @param options BitmapFactory.Options,
+     * @param width  想要显示的图片的宽度
+     * @param height 想要显示的图片的高度
+     * @return
+     */
+    private fun calculateInSampleSize(
+        options: BitmapFactory.Options,
+        width: Int? = null,
+        height: Int? = null
+    ): Int {
         //获取比例大小
-            val wRatio = ceil((op.outWidth / width).toDouble()).toInt()
+        val wRatio = width?.let { ceil((options.outWidth / it).toDouble()).toInt() } ?: -1
+        val hRatio = height?.let { ceil((options.outHeight / it).toDouble()).toInt() } ?: -1
         //如果超出指定大小，则缩小相应的比例
-            if (wRatio > 1) {
-                op.inSampleSize = wRatio
-            }
-            op.inJustDecodeBounds = false
-            BitmapFactory.decodeFileDescriptor(fis.fd, null, op)
+        return when {
+            wRatio > 1 && hRatio > 1 -> max(wRatio, hRatio)
+            wRatio > 1 -> wRatio
+            hRatio > 1  -> hRatio
+            else -> 1
         }
-
     }
 
     /** 从path中获取Bitmap图片
@@ -118,17 +109,7 @@ object BitmapUtils {
         // inJustDecodeBounds如果设置为true,仅仅返回图片实际的宽和高,宽和高是赋值给opts.outWidth,opts.outHeight;
         op.inJustDecodeBounds = true
         BitmapFactory.decodeResource(context.resources, resId, op) //获取尺寸信息
-        //获取比例大小
-        val wRatio = ceil((op.outWidth / width).toDouble()).toInt()
-        val hRatio = ceil((op.outHeight / height).toDouble()).toInt()
-        //如果超出指定大小，则缩小相应的比例
-        if (wRatio > 1 && hRatio > 1) {
-            if (wRatio > hRatio) {
-                op.inSampleSize = wRatio
-            } else {
-                op.inSampleSize = hRatio
-            }
-        }
+        op.inSampleSize = calculateInSampleSize(op, width, height)
         op.inJustDecodeBounds = false
         return BitmapFactory.decodeResource(context.resources, resId, op)
     }
@@ -154,17 +135,7 @@ object BitmapUtils {
             // inJustDecodeBounds如果设置为true,仅仅返回图片实际的宽和高,宽和高是赋值给opts.outWidth,opts.outHeight;
             op.inJustDecodeBounds = true
             BitmapFactory.decodeStream(inputStream, null, op) //获取尺寸信息
-            //获取比例大小
-            val wRatio = ceil((op.outWidth / width).toDouble()).toInt()
-            val hRatio = ceil((op.outHeight / height).toDouble()).toInt()
-            //如果超出指定大小，则缩小相应的比例
-            if (wRatio > 1 && hRatio > 1) {
-                if (wRatio > hRatio) {
-                    op.inSampleSize = wRatio
-                } else {
-                    op.inSampleSize = hRatio
-                }
-            }
+            op.inSampleSize = calculateInSampleSize(op, width, height)
             inputStream = context.assets.open(fileNameInAssets)
             op.inJustDecodeBounds = false
             BitmapFactory.decodeStream(inputStream, null, op)

app/src/main/java/io/legado/app/utils/StringExtensions.kt

@@ -2,6 +2,7 @@
 
 package io.legado.app.utils
 
+import io.legado.app.constant.AppPattern.dataUriRegex
 import android.icu.text.Collator
 import android.icu.util.ULocale
 import android.net.Uri
@@ -25,6 +26,11 @@ fun String?.isAbsUrl() =
         it.startsWith("http://", true) || it.startsWith("https://", true)
     } ?: false
 
+fun String?.isDataUrl() =
+    this?.let {
+        dataUriRegex.matches(it)
+    } ?: false
+
 fun String?.isJson(): Boolean =
     this?.run {
         val str = this.trim()