update

app/src/main/java/io/legado/app/ui/booksource/BookSourceActivity.kt

@@ -23,6 +23,7 @@ import io.legado.app.ui.qrcode.QrCodeActivity
 import io.legado.app.ui.sourceedit.SourceEditActivity
 import io.legado.app.utils.getViewModel
 import kotlinx.android.synthetic.main.activity_book_source.*
+import kotlinx.android.synthetic.main.view_search.*
 import kotlinx.android.synthetic.main.view_title_bar.*
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.launch
@@ -93,7 +94,6 @@ class BookSourceActivity : VMBaseActivity<BookSourceViewModel>(R.layout.activity
     }
 
     private fun initSearchView() {
-        search_view.visibility = View.VISIBLE
         search_view.onActionViewExpanded()
         search_view.queryHint = getString(R.string.search_book_source)
         search_view.clearFocus()

app/src/main/java/io/legado/app/ui/chapterlist/ChapterListActivity.kt

@@ -12,6 +12,7 @@ import io.legado.app.base.BaseActivity
 import io.legado.app.utils.gone
 import io.legado.app.utils.visible
 import kotlinx.android.synthetic.main.activity_chapter_list.*
+import kotlinx.android.synthetic.main.view_tab_layout.*
 import kotlinx.android.synthetic.main.view_title_bar.*
 
 class ChapterListActivity : BaseActivity(R.layout.activity_chapter_list) {

app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt

@@ -29,6 +29,7 @@ import io.legado.app.ui.search.SearchActivity
 import io.legado.app.utils.*
 import kotlinx.android.synthetic.main.dialog_edittext.view.*
 import kotlinx.android.synthetic.main.fragment_bookshelf.*
+import kotlinx.android.synthetic.main.view_search.*
 import kotlinx.android.synthetic.main.view_title_bar.*
 import org.jetbrains.anko.startActivity
 import org.jetbrains.anko.textColor
@@ -66,12 +67,11 @@ class BookshelfFragment : VMBaseFragment<BookshelfViewModel>(R.layout.fragment_b
     }
 
     private fun initSearchView() {
-        search_view.visible()
+//        search_view.onActionViewExpanded()
-        search_view.onActionViewExpanded()
+//        search_view.isSubmitButtonEnabled = true
-        search_view.isSubmitButtonEnabled = true
+//        search_view.queryHint = getString(R.string.search_book_key)
-        search_view.queryHint = getString(R.string.search_book_key)
+//        search_view.clearFocus()
-        search_view.clearFocus()
+//        search_view.setOnQueryTextListener(this)
-        search_view.setOnQueryTextListener(this)
     }
 
     private fun initRecyclerView() {

app/src/main/java/io/legado/app/ui/search/SearchActivity.kt

@@ -15,7 +15,7 @@ import io.legado.app.data.entities.SearchShow
 import io.legado.app.lib.theme.ATH
 import io.legado.app.utils.getViewModel
 import kotlinx.android.synthetic.main.activity_search.*
-import kotlinx.android.synthetic.main.view_title_bar.*
+import kotlinx.android.synthetic.main.view_search.*
 
 class SearchActivity : VMBaseActivity<SearchViewModel>(R.layout.activity_search) {
 
@@ -32,7 +32,6 @@ class SearchActivity : VMBaseActivity<SearchViewModel>(R.layout.activity_search)
     }
 
     private fun initSearchView() {
-        search_view.visibility = View.VISIBLE
         search_view.onActionViewExpanded()
         search_view.isSubmitButtonEnabled = true
         search_view.queryHint = getString(R.string.search_book_key)

app/src/main/java/io/legado/app/ui/sourcedebug/SourceDebugActivity.kt

@@ -14,6 +14,7 @@ import io.legado.app.lib.theme.accentColor
 import io.legado.app.ui.qrcode.QrCodeActivity
 import io.legado.app.utils.getViewModel
 import kotlinx.android.synthetic.main.activity_source_debug.*
+import kotlinx.android.synthetic.main.view_search.*
 import kotlinx.android.synthetic.main.view_title_bar.*
 import kotlinx.coroutines.launch
 import org.jetbrains.anko.startActivityForResult
@@ -50,7 +51,6 @@ class SourceDebugActivity : VMBaseActivity<SourceDebugModel>(R.layout.activity_s
     }
 
     private fun initSearchView() {
-        search_view.visibility = View.VISIBLE
         search_view.onActionViewExpanded()
         search_view.isSubmitButtonEnabled = true
         search_view.queryHint = getString(R.string.search_book_key)

app/src/main/java/io/legado/app/ui/widget/TitleBar.kt

@@ -10,7 +10,6 @@ import android.view.Menu
 import android.view.View
 import androidx.annotation.ColorInt
 import androidx.annotation.StyleRes
-import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.widget.Toolbar
 import androidx.core.graphics.drawable.DrawableCompat
 import com.google.android.material.appbar.AppBarLayout
@@ -126,6 +125,9 @@ class TitleBar(context: Context, attrs: AttributeSet?) : AppBarLayout(context, a
                 this.subtitle = subtitleText
             }
 
+            if (a.hasValue(R.styleable.TitleBar_contentLayout)) {
+                inflate(context, a.getResourceId(R.styleable.TitleBar_contentLayout, 0), this)
+            }
         }
 
         if (a.getBoolean(R.styleable.TitleBar_fitStatusBar, true)) {
@@ -146,7 +148,7 @@ class TitleBar(context: Context, attrs: AttributeSet?) : AppBarLayout(context, a
         if (attachToActivity) {
             attachToActivity()
         }
-        wrapAppTheme()
+        wrapTheme()
     }
 
     fun setNavigationOnClickListener(clickListener: ((View) -> Unit)) {
@@ -177,7 +179,7 @@ class TitleBar(context: Context, attrs: AttributeSet?) : AppBarLayout(context, a
         toolbar.setSubtitleTextAppearance(context, resId)
     }
 
-    private fun wrapAppTheme() {
+    private fun wrapTheme() {
         val primaryTextColor = if (isInEditMode) Color.BLACK else context.primaryTextColor
         DrawableUtils.setTint(toolbar.overflowIcon, primaryTextColor)
         toolbar.setTitleTextColor(primaryTextColor)

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

@@ -1,19 +1,17 @@
 package io.legado.app.ui.widget.page
 
 import android.content.Context
-import android.graphics.Bitmap
+import android.graphics.*
-import android.graphics.Canvas
-import android.graphics.Rect
 import android.graphics.drawable.GradientDrawable
 import android.util.AttributeSet
-import android.util.Log
 import android.view.MotionEvent
-import android.view.View
 import android.widget.FrameLayout
-import androidx.appcompat.widget.AppCompatTextView
 import io.legado.app.R
+import io.legado.app.utils.dp
 import io.legado.app.utils.screenshot
-import kotlin.math.abs
+import kotlinx.android.synthetic.main.view_book_page.view.*
+import org.jetbrains.anko.backgroundColor
+import org.jetbrains.anko.horizontalPadding
 
 class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, attrs) {
 
@@ -22,33 +20,98 @@ class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, att
     private var downX: Float = 0.toFloat()
     private var offset: Float = 0.toFloat()
 
-    private val srcRect: Rect = Rect()
+    private val shadowDrawableR: GradientDrawable
-    private val destRect: Rect = Rect()
+    private val shadowDrawableL: GradientDrawable
-    private val shadowDrawable: GradientDrawable
+
+    private val bitmapMatrix = Matrix()
+
+    private var cover: Boolean = true
 
     init {
         val shadowColors = intArrayOf(0x66111111, 0x00000000)
-        shadowDrawable = GradientDrawable(
+        shadowDrawableR = GradientDrawable(
             GradientDrawable.Orientation.LEFT_RIGHT, shadowColors
         )
-        shadowDrawable.gradientType = GradientDrawable.LINEAR_GRADIENT
+        shadowDrawableR.gradientType = GradientDrawable.LINEAR_GRADIENT
+
+        shadowDrawableL = GradientDrawable(
+            GradientDrawable.Orientation.RIGHT_LEFT, shadowColors
+        )
+        shadowDrawableL.gradientType = GradientDrawable.LINEAR_GRADIENT
+
+        inflate(context, R.layout.view_book_page, this)
+
+        setWillNotDraw(false)
+
+        page_panel.backgroundColor = Color.WHITE
+
+        page_panel.horizontalPadding = 16.dp
 
-        inflate(context, R.layout.page_view, this)
     }
 
-    override fun onDraw(canvas: Canvas?) {
+    override fun dispatchDraw(canvas: Canvas?) {
-        canvas?.save()
+        super.dispatchDraw(canvas)
-        super.onDraw(canvas)
+
-        canvas?.restore()
+        bitmap?.let {
+            val dx = if (offset > 0) offset - width else offset + width
 
+            bitmapMatrix.setTranslate(dx, 0.toFloat())
+            canvas?.drawBitmap(it, bitmapMatrix, null)
 
+            if (cover) {
+                addShadow(dx.toInt(), canvas)
+            }
+        }
+    }
+
+    private fun addShadow(left: Int, canvas: Canvas?) {
+        canvas?.let {
+            if (left < 0) {
+                shadowDrawableR.setBounds(left + width, 0, left+ width + 30, height)
+                shadowDrawableR.draw(it)
+            } else {
+                shadowDrawableL.setBounds(left - 30, 0, left, height)
+                shadowDrawableL.draw(it)
+            }
+        }
     }
 
     override fun onTouchEvent(event: MotionEvent?): Boolean {
+        when (event?.action) {
+            MotionEvent.ACTION_DOWN -> {
+                bitmap = page_panel.screenshot()
+                downX = event.x
+                offset = 0.toFloat()
+                if (!cover) {
+                    page_panel.translationX = 0.toFloat()
+                }
+                invalidate()
+            }
+
+            MotionEvent.ACTION_MOVE -> {
+                offset = event.x - downX
+                if (!cover) {
+                    page_panel.translationX = offset
+                }
+                invalidate()
+            }
 
+            MotionEvent.ACTION_UP -> {
+                bitmap = null
+                if (!cover) {
+                    page_panel.translationX = 0.toFloat()
+                }
+                invalidate()
+            }
+        }
         return true
     }
 
+    fun setTranslate(translationX: Float, translationY: Float) {
+        page_panel.translationX = translationX
+        page_panel.translationY = translationY
+    }
+
     fun setPageFactory(factory: PageFactory<*>) {
 
     }

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

@@ -28,7 +28,7 @@ private tailrec fun getCompatActivity(context: Context?): AppCompatActivity? {
 val View.activity: AppCompatActivity?
     get() = getCompatActivity(context)
 
-fun View.hideSoftInput() = run {
+inline fun View.hideSoftInput() = run {
     val imm = App.INSTANCE.getSystemService(Context.INPUT_METHOD_SERVICE) as? InputMethodManager
     imm?.let {
         imm.hideSoftInputFromWindow(this.windowToken, 0)

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

@@ -11,7 +11,8 @@
             android:layout_height="wrap_content"
             app:contentInsetStartWithNavigation="0dp"
             app:displayHomeAsUp="true"
-            app:title="@string/book_source"/>
+            app:title="@string/book_source"
+            app:contentLayout="@layout/view_search"/>
 
     <FrameLayout
             android:layout_width="match_parent"

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

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              xmlns:app="http://schemas.android.com/apk/res-auto"
               android:orientation="vertical"
               android:layout_width="match_parent"
               android:layout_height="match_parent">
@@ -7,7 +8,8 @@
     <io.legado.app.ui.widget.TitleBar
             android:id="@+id/title_bar"
             android:layout_width="match_parent"
-        android:layout_height="wrap_content" />
+            android:layout_height="wrap_content"
+            app:contentLayout="@layout/view_tab_layout"/>
 
     <androidx.viewpager.widget.ViewPager
             android:id="@+id/view_pager"

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

@@ -11,6 +11,7 @@
             android:id="@+id/title_bar"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            app:contentLayout="@layout/view_search"
             app:contentInsetStartWithNavigation="0dp"
             app:layout_constraintTop_toTopOf="parent"
             app:title="搜索"/>

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

@@ -10,6 +10,7 @@
         android:id="@+id/title_bar"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        app:contentLayout="@layout/view_search"
         app:layout_constraintTop_toTopOf="parent"
         app:title="@string/debug_source" />
 

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

@@ -24,7 +24,8 @@
         <androidx.appcompat.widget.AppCompatTextView
                 android:id="@+id/text_view"
                 android:layout_width="match_parent"
-                android:layout_height="match_parent"/>
+                android:layout_height="match_parent"
+        android:text="233333333333333333333333333333333333333333333333333233333333333333333333333333333333333333333333333333233333333333333333333333333333333333333333333333333233333333333333333333333333333333333333333333333333233333333333333333333333333333333333333333333333333233333333333333333333333333333333333333333333333333233333333333333333333333333333333333333333333333333233333333333333333333333333333333333333333333333333233333333333333333333333333333333333333333333333333233333333333333333333333333333333333333333333333333233333333333333333333333333333333333333333333333333233333333333333333333333333333333333333333333333333233333333333333333333333333333333333333333333333333233333333333333333333333333333333333333333333333333"/>
 
 
         <androidx.recyclerview.widget.RecyclerView

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.appcompat.widget.SearchView
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:id="@+id/search_view"
+        android:layout_width="match_parent"
+        android:theme="?attr/actionBarStyle"
+        android:layout_height="wrap_content"
+        android:imeOptions="actionSearch"
+        app:defaultQueryHint="搜索"/>

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

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.google.android.material.tabs.TabLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/tab_layout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:theme="?attr/actionBarStyle"/>

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

@@ -5,20 +5,4 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:theme="?attr/actionBarStyle"
-    app:popupTheme="@style/AppTheme.PopupOverlay">
+    app:popupTheme="@style/AppTheme.PopupOverlay"/>
-
-    <androidx.appcompat.widget.SearchView
-            android:id="@+id/search_view"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:visibility="gone"
-            android:imeOptions="actionSearch"
-            app:defaultQueryHint="搜索" />
-
-    <com.google.android.material.tabs.TabLayout
-        android:id="@+id/tab_layout"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:visibility="gone" />
-
-</androidx.appcompat.widget.Toolbar>

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

@@ -14,6 +14,7 @@
         <attr name="contentInsetStartWithNavigation"/>
         <attr name="contentInsetLeft"/>
         <attr name="contentInsetRight"/>
+        <attr name="contentLayout" format="reference"/>
         <attr name="attachToActivity" format="boolean"/>
         <attr name="displayHomeAsUp" format="boolean"/>
         <attr name="navigationIcon" format="reference"/>