search content

be able to show the counts of query for each chapter
Still don't know why Coroutine lauch will execute repeatedly

app/src/main/AndroidManifest.xml

@@ -222,6 +222,10 @@
             android:name=".ui.book.chapterlist.ChapterListActivity"
             android:launchMode="singleTop"
             android:screenOrientation="behind" />
+        <activity
+            android:name=".ui.book.searchContent.SearchListActivity"
+            android:launchMode="singleTop"
+            android:screenOrientation="behind" />
         <!-- RSS条目 -->
         <activity
             android:name=".ui.rss.article.RssSortActivity"

app/src/main/java/io/legado/app/data/dao/BookChapterDao.kt

@@ -25,6 +25,9 @@ interface BookChapterDao {
     @Query("select * from chapters where bookUrl = :bookUrl and `index` = :index")
     fun getChapter(bookUrl: String, index: Int): BookChapter?
 
+    @Query("select * from chapters where bookUrl = :bookUrl and `title` = :title")
+    fun getChapter(bookUrl: String, title: String): BookChapter?
+
     @Query("select count(url) from chapters where bookUrl = :bookUrl")
     fun getChapterCount(bookUrl: String): Int
 

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

@@ -47,6 +47,7 @@ import io.legado.app.ui.book.read.page.ContentTextView
 import io.legado.app.ui.book.read.page.PageView
 import io.legado.app.ui.book.read.page.TextPageFactory
 import io.legado.app.ui.book.read.page.delegate.PageDelegate
+import io.legado.app.ui.book.searchContent.SearchListActivity
 import io.legado.app.ui.book.source.edit.BookSourceEditActivity
 import io.legado.app.ui.login.SourceLogin
 import io.legado.app.ui.replacerule.ReplaceRuleActivity
@@ -672,7 +673,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
      */
     override fun openSearchList() {
         ReadBook.book?.let {
-            startActivityForResult<ChapterListActivity>(
+            startActivityForResult<SearchListActivity>(
                 requestCodeChapterList,
                 Pair("bookUrl", it.bookUrl)
             )

app/src/main/java/io/legado/app/ui/book/searchContent/SearchListFragment.kt

@@ -4,6 +4,7 @@ import android.annotation.SuppressLint
 import android.app.Activity.RESULT_OK
 import android.content.Intent
 import android.os.Bundle
+import android.util.Log
 import android.view.View
 import androidx.lifecycle.LiveData
 import io.legado.app.App
@@ -13,19 +14,16 @@ import io.legado.app.constant.EventBus
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookChapter
 import io.legado.app.help.BookHelp
-import io.legado.app.lib.theme.bottomBackground
-import io.legado.app.lib.theme.getPrimaryTextColor
 import io.legado.app.ui.widget.recycler.UpLinearLayoutManager
 import io.legado.app.ui.widget.recycler.VerticalDivider
-import io.legado.app.utils.ColorUtils
 import io.legado.app.utils.getViewModelOfActivity
 import io.legado.app.utils.observeEvent
 import kotlinx.android.synthetic.main.fragment_search_list.*
+import kotlinx.coroutines.*
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.Dispatchers.Main
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
 import org.jetbrains.anko.sdk27.listeners.onClick
+import java.util.regex.Pattern
 
 class SearchListFragment : VMBaseFragment<SearchListViewModel>(R.layout.fragment_search_list),
     SearchListAdapter.Callback,
@@ -123,20 +121,91 @@ class SearchListFragment : VMBaseFragment<SearchListViewModel>(R.layout.fragment
 
     override fun startContentSearch(newText: String?) {
         if (newText.isNullOrBlank()) {
-            //initDoc()
+            initDoc()
         } else {
-            if (isLocalBook){
+            var count: Int = 0
+            val beginTime = System.currentTimeMillis()
+            App.db.bookChapterDao().getChapterList(viewModel.bookUrl).map{
+                launch(IO) {
+                    if (isLocalBook ||
+                        adapter.cacheFileNames.contains(BookHelp.formatChapterName(it))
+                    ) {
+                        val value = searchChapter(newText, it)
+                        count += value
+                    }
+                }
+            }
+            //adapter.setItems(list)
+            val finishedTime = System.currentTimeMillis() - beginTime
+            Log.d("Jason", "Search finished, the total time cost is $finishedTime")
+            Log.d("Jason", "Search finished, the total count is $count")
+            //tocLiveData?.removeObservers(this)
+            //tocLiveData = App.db.bookChapterDao().liveDataSearch(viewModel.bookUrl, newText)
+            //tocLiveData?.observe(viewLifecycleOwner, {
+                //adapter.setItems(it)
+            //})
+            }
 
     }
 
-            tocLiveData?.removeObservers(this)
-            tocLiveData = App.db.bookChapterDao().liveDataSearch(viewModel.bookUrl, newText)
-            tocLiveData?.observe(viewLifecycleOwner, {
-                adapter.setItems(it)
-            })
+
+
+    private suspend fun searchChapter(query: String, chapter: BookChapter?): Int  {
+
+
+        val startTime = System.currentTimeMillis()
+        val searchResult: MutableList<String> = mutableListOf()
+        var count = 0
+        if (chapter != null){
+            Log.d("Jason", "Search ${chapter.title}")
+            viewModel.book?.let { bookSource ->
+                val bookContent = BookHelp.getContent(bookSource, chapter)
+                /* replace content, let's focus on original content first
+                chapter.title = when (AppConfig.chineseConverterType) {
+                    1 -> HanLP.convertToSimplifiedChinese(chapter.title)
+                    2 -> HanLP.convertToTraditionalChinese(chapter.title)
+                    else -> chapter.title
                 }
+                var replaceContents: List<String>? = null
+                bookContent?.let {
+                    replaceContents = BookHelp.disposeContent(
+                        chapter.title,
+                        bookSource.name,
+                        bookSource.bookUrl,
+                        it,
+                        bookSource.useReplaceRule
+                    )
                 }
 
+                replaceContents?.map {
+                    async(IO) {
+                        if (it.contains(query)) {
+                            Log.d("targetd contents", it)
+                            searchResult.add(it)
+                        }
+                    }
+                }?.awaitAll()
+                */
+                count = bookContent?.let { countMatches(it, query) }!!
+                Log.d("Jason", "Search ${chapter.title} finished, the appeared count is $count")
+            }
+            val endTime = System.currentTimeMillis() - startTime
+            Log.d("Jason", "Search ${chapter.title} finished, the time cost is $endTime")
+        }
+        return count
+    }
+
+    fun countMatches(string: String, pattern: String): Int {
+        val matcher = Pattern.compile(pattern).matcher(string)
+
+        var count = 0
+        while (matcher.find()) {
+            count++
+        }
+        return count
+    }
+
+
     override val isLocalBook: Boolean
         get() = viewModel.book?.isLocalBook() == true
 

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

@@ -260,7 +260,12 @@
                             android:textSize="12sp" />
                     </LinearLayout>
 
-                    <!--目录按钮-->
+                    <View
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="2" />
+
+                    <!--搜索按钮-->
                     <LinearLayout
                         android:id="@+id/ll_search"
                         android:layout_width="60dp"
@@ -278,7 +283,7 @@
                             android:layout_height="0dp"
                             android:layout_weight="1"
                             android:contentDescription="@string/search_content"
-                            android:src="@drawable/ic_toc"
+                            android:src="@drawable/ic_search"
                             app:tint="@color/primaryText"
                             tools:ignore="NestedWeights" />