Introduce incognito open-in-browser support

app/.gitignore

@@ -3,3 +3,4 @@
 *.iml
 custom.gradle
 google-services.json
+output.json

app/build.gradle

@@ -213,7 +213,7 @@ dependencies {
 
     // Conductor
     implementation "com.github.inorichi.Conductor:conductor:be8b3c5"
-    implementation ("com.bluelinelabs:conductor-support:2.1.5-SNAPSHOT") {
+    implementation("com.bluelinelabs:conductor-support:2.1.5-SNAPSHOT") {
         exclude group: "com.bluelinelabs", module: "conductor"
         exclude group: "com.android.support"
     }
@@ -246,7 +246,7 @@ dependencies {
     implementation 'com.andrognito.pinlockview:pinlockview:2.1.0'
 
     // Reprint (EH)
-    implementation 'com.github.ajalt.reprint:core:3.2.1@aar' // required: supports marshmallow devices
+    implementation 'com.github.ajalt.reprint:core:3.2.1@aar'
     implementation 'com.github.ajalt.reprint:rxjava:3.2.1@aar' // optional: the RxJava 1 interface
 
     // Swirl (EH)

app/src/main/AndroidManifest.xml

@@ -12,31 +12,35 @@
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
     <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
     <uses-permission android:name="android.permission.USE_FINGERPRINT" />
-    <uses-permission android:name="android.permission.GET_TASKS"/>
+    <uses-permission android:name="android.permission.GET_TASKS" />
-    <uses-permission android:name="android.permission.PACKAGE_USAGE_STATS"
+    <uses-permission
+        android:name="android.permission.PACKAGE_USAGE_STATS"
         tools:ignore="ProtectedPermissions" />
     <!-- Lock vibrate -->
-    <uses-permission android:name="android.permission.VIBRATE"/>
+    <uses-permission android:name="android.permission.VIBRATE" />
 
     <application
         android:name=".App"
         android:allowBackup="true"
         android:hardwareAccelerated="true"
         android:icon="@mipmap/ic_launcher"
-        android:roundIcon="@mipmap/ic_launcher_round"
         android:label="@string/app_name"
         android:largeHeap="true"
+        android:roundIcon="@mipmap/ic_launcher_round"
         android:theme="@style/Theme.Tachiyomi">
         <activity
             android:name=".ui.main.MainActivity"
             android:launchMode="singleTop">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
 
-            <!--suppress AndroidDomInspection -->
+            <!-- suppress AndroidDomInspection -->
-            <meta-data android:name="android.app.shortcuts" android:resource="@xml/shortcuts"/>
+            <meta-data
+                android:name="android.app.shortcuts"
+                android:resource="@xml/shortcuts" />
         </activity>
         <activity
             android:name=".ui.reader.ReaderActivity"
@@ -61,7 +65,7 @@
         </activity>
         <activity
             android:name=".extension.util.ExtensionInstallActivity"
-            android:theme="@android:style/Theme.Translucent.NoTitleBar"/>
+            android:theme="@android:style/Theme.Translucent.NoTitleBar" />
 
         <provider
             android:name="android.support.v4.content.FileProvider"
@@ -72,14 +76,12 @@
                 android:name="android.support.FILE_PROVIDER_PATHS"
                 android:resource="@xml/provider_paths" />
         </provider>
-
         <provider
-            android:name="eu.kanade.tachiyomi.util.ZipContentProvider"
+            android:name=".util.ZipContentProvider"
             android:authorities="${applicationId}.zip-provider"
             android:exported="false" />
-
         <provider
-            android:name="eu.kanade.tachiyomi.util.RarContentProvider"
+            android:name=".util.RarContentProvider"
             android:authorities="${applicationId}.rar-provider"
             android:exported="false" />
 
@@ -90,22 +92,18 @@
         <service
             android:name=".data.library.LibraryUpdateService"
             android:exported="false" />
-
         <service
             android:name=".data.download.DownloadService"
             android:exported="false" />
-
         <service
             android:name=".data.updater.UpdaterService"
             android:exported="false" />
-
         <service
             android:name=".data.backup.BackupCreateService"
-            android:exported="false"/>
+            android:exported="false" />
-
         <service
             android:name=".data.backup.BackupRestoreService"
-            android:exported="false"/>
+            android:exported="false" />
 
         <!-- EH -->
         <activity
@@ -113,97 +111,97 @@
             android:label="TachiyomiEH"
             android:theme="@style/Theme.EHIntercept">
             <intent-filter>
-                <action android:name="android.intent.action.VIEW"/>
+                <action android:name="android.intent.action.VIEW" />
 
-                <category android:name="android.intent.category.DEFAULT"/>
+                <category android:name="android.intent.category.DEFAULT" />
-                <category android:name="android.intent.category.BROWSABLE"/>
+                <category android:name="android.intent.category.BROWSABLE" />
 
                 <data
                     android:host="g.e-hentai.org"
                     android:pathPrefix="/g/"
-                    android:scheme="http"/>
+                    android:scheme="http" />
                 <data
                     android:host="g.e-hentai.org"
                     android:pathPrefix="/g/"
-                    android:scheme="https"/>
+                    android:scheme="https" />
                 <data
                     android:host="e-hentai.org"
                     android:pathPrefix="/g/"
-                    android:scheme="http"/>
+                    android:scheme="http" />
                 <data
                     android:host="e-hentai.org"
                     android:pathPrefix="/g/"
-                    android:scheme="https"/>
+                    android:scheme="https" />
                 <data
                     android:host="exhentai.org"
                     android:pathPrefix="/g/"
-                    android:scheme="http"/>
+                    android:scheme="http" />
                 <data
                     android:host="exhentai.org"
                     android:pathPrefix="/g/"
-                    android:scheme="https"/>
+                    android:scheme="https" />
                 <data
                     android:host="nhentai.net"
                     android:pathPrefix="/g/"
-                    android:scheme="http"/>
+                    android:scheme="http" />
                 <data
                     android:host="nhentai.net"
                     android:pathPrefix="/g/"
-                    android:scheme="https"/>
+                    android:scheme="https" />
                 <data
                     android:host="www.perveden.com"
                     android:pathPattern="/.*/.*-manga/.*"
-                    android:scheme="http"/>
+                    android:scheme="http" />
                 <data
                     android:host="www.perveden.com"
                     android:pathPattern="/.*/.*-manga/.*"
-                    android:scheme="https"/>
+                    android:scheme="https" />
                 <data
                     android:host="hentai.cafe"
                     android:pathPattern="/.*/.*"
-                    android:scheme="http"/>
+                    android:scheme="http" />
                 <data
                     android:host="hentai.cafe"
                     android:pathPattern="/.*/.*"
-                    android:scheme="https"/>
+                    android:scheme="https" />
                 <data
                     android:host="www.tsumino.com"
                     android:pathPrefix="/Book/Info/"
-                    android:scheme="http"/>
+                    android:scheme="http" />
                 <data
                     android:host="www.tsumino.com"
                     android:pathPrefix="/Book/Info/"
-                    android:scheme="https"/>
+                    android:scheme="https" />
                 <data
                     android:host="www.tsumino.com"
                     android:pathPrefix="/Read/View/"
-                    android:scheme="http"/>
+                    android:scheme="http" />
                 <data
                     android:host="www.tsumino.com"
                     android:pathPrefix="/Read/View/"
-                    android:scheme="https"/>
+                    android:scheme="https" />
                 <data
                     android:host="hitomi.la"
                     android:pathPrefix="/galleries/"
-                    android:scheme="http"/>
+                    android:scheme="http" />
                 <data
                     android:host="hitomi.la"
                     android:pathPrefix="/reader/"
-                    android:scheme="http"/>
+                    android:scheme="http" />
                 <data
                     android:host="hitomi.la"
                     android:pathPrefix="/galleries/"
-                    android:scheme="https"/>
+                    android:scheme="https" />
                 <data
                     android:host="hitomi.la"
                     android:pathPrefix="/reader/"
-                    android:scheme="https"/>
+                    android:scheme="https" />
             </intent-filter>
         </activity>
         <activity
             android:name="exh.ui.captcha.SolveCaptchaActivity"
             android:launchMode="singleInstance" />
-
+        <activity android:name="exh.ui.webview.WebViewActivity"></activity>
     </application>
 
 </manifest>

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceKeys.kt

@@ -178,4 +178,6 @@ object PreferenceKeys {
     const val eh_cacheSize = "eh_cache_size"
 
     const val eh_preserveReadingPosition = "eh_preserve_reading_position"
+
+    const val eh_incogWebview = "eh_incognito_webview"
 }

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt

@@ -249,4 +249,6 @@ class PreferencesHelper(val context: Context) {
     fun eh_cacheSize() = rxPrefs.getString(Keys.eh_cacheSize, "75")
 
     fun eh_preserveReadingPosition() = rxPrefs.getBoolean(Keys.eh_preserveReadingPosition, false)
+
+    fun eh_incogWebview() = rxPrefs.getBoolean(Keys.eh_incogWebview, false)
 }

app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoController.kt

@@ -20,19 +20,18 @@ import android.widget.Toast
 import com.afollestad.materialdialogs.MaterialDialog
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import com.bumptech.glide.load.resource.bitmap.RoundedCorners
-import com.bumptech.glide.load.resource.bitmap.TransformationUtils.centerCrop
 import com.bumptech.glide.request.target.SimpleTarget
 import com.bumptech.glide.request.transition.Transition
 import com.jakewharton.rxbinding.support.v4.widget.refreshes
 import com.jakewharton.rxbinding.view.clicks
 import com.jakewharton.rxbinding.view.longClicks
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.R.id.*
 import eu.kanade.tachiyomi.data.database.models.Category
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.notification.NotificationReceiver
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.model.SManga
@@ -50,6 +49,7 @@ import eu.kanade.tachiyomi.util.toast
 import eu.kanade.tachiyomi.util.truncateCenter
 import exh.EH_SOURCE_ID
 import exh.EXH_SOURCE_ID
+import exh.ui.webview.WebViewActivity
 import jp.wasabeef.glide.transformations.CropSquareTransformation
 import jp.wasabeef.glide.transformations.MaskTransformation
 import kotlinx.android.synthetic.main.manga_info_controller.*
@@ -310,11 +310,20 @@ class MangaInfoController : NucleusController<MangaInfoPresenter>(),
         val source = presenter.source as? HttpSource ?: return
 
         try {
-            val url = Uri.parse(source.mangaDetailsRequest(presenter.manga).url().toString())
+            // --> EH
-            val intent = CustomTabsIntent.Builder()
+            val urlString = source.mangaDetailsRequest(presenter.manga).url().toString()
-                    .setToolbarColor(context.getResourceColor(R.attr.colorPrimary))
+            if(preferences.eh_incogWebview().getOrDefault()) {
-                    .build()
+                activity?.startActivity(Intent(activity, WebViewActivity::class.java).apply {
-            intent.launchUrl(activity, url)
+                    putExtra(WebViewActivity.KEY_URL, urlString)
+                })
+            } else {
+                val url = Uri.parse(urlString)
+                val intent = CustomTabsIntent.Builder()
+                        .setToolbarColor(context.getResourceColor(R.attr.colorPrimary))
+                        .build()
+                intent.launchUrl(activity, url)
+            }
+            // <-- EH
         } catch (e: Exception) {
             context.toast(e.message)
         }

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsGeneralController.kt

@@ -186,6 +186,13 @@ class SettingsGeneralController : SettingsController() {
             defaultValue = false
         }
 
+        switchPreference {
+            key = Keys.eh_incogWebview
+            title = "Incognito 'Open in browser'"
+            summary = "Prevent pages viewed from the 'Open in browser' menu option from being placed into Chrome's browsing history. Some browser features will be unavailable."
+            defaultValue = false
+        }
+
         preferenceCategory {
             title = "Application lock"
 

app/src/main/java/eu/kanade/tachiyomi/util/ContextExtensions.kt

@@ -3,11 +3,8 @@ package eu.kanade.tachiyomi.util
 import android.app.ActivityManager
 import android.app.Notification
 import android.app.NotificationManager
-import android.content.BroadcastReceiver
+import android.content.*
-import android.content.Context
 import android.content.Context.VIBRATOR_SERVICE
-import android.content.Intent
-import android.content.IntentFilter
 import android.content.pm.PackageManager
 import android.content.res.Resources
 import android.net.ConnectivityManager
@@ -129,6 +126,14 @@ val Context.powerManager: PowerManager
 val Context.wifiManager: WifiManager
     get() = applicationContext.getSystemService(Context.WIFI_SERVICE) as WifiManager
 
+// --> EH
+/**
+ * Property to get the wifi manager from the context.
+ */
+val Context.clipboardManager: ClipboardManager
+    get() = applicationContext.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
+// <-- EH
+
 /**
  * Function used to send a local broadcast asynchronous
  *

app/src/main/java/exh/ui/webview/NestedWebView.java

@@ -0,0 +1,126 @@
+package exh.ui.webview;
+
+import android.content.Context;
+import android.support.v4.view.MotionEventCompat;
+import android.support.v4.view.NestedScrollingChild;
+import android.support.v4.view.NestedScrollingChildHelper;
+import android.support.v4.view.ViewCompat;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.webkit.WebView;
+
+public class NestedWebView extends WebView implements NestedScrollingChild {
+    private int mLastY;
+    private final int[] mScrollOffset = new int[2];
+    private final int[] mScrollConsumed = new int[2];
+    private int mNestedOffsetY;
+    private NestedScrollingChildHelper mChildHelper;
+
+    public NestedWebView(Context context) {
+        this(context, null);
+    }
+
+    public NestedWebView(Context context, AttributeSet attrs) {
+        this(context, attrs, android.R.attr.webViewStyle);
+    }
+
+    public NestedWebView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        mChildHelper = new NestedScrollingChildHelper(this);
+        setNestedScrollingEnabled(true);
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent ev) {
+        boolean returnValue = false;
+
+        MotionEvent event = MotionEvent.obtain(ev);
+        final int action = MotionEventCompat.getActionMasked(event);
+        if (action == MotionEvent.ACTION_DOWN) {
+            mNestedOffsetY = 0;
+        }
+        int eventY = (int) event.getY();
+        event.offsetLocation(0, mNestedOffsetY);
+        switch (action) {
+            case MotionEvent.ACTION_MOVE:
+                int deltaY = mLastY - eventY;
+                // NestedPreScroll
+                if (dispatchNestedPreScroll(0, deltaY, mScrollConsumed, mScrollOffset)) {
+                    deltaY -= mScrollConsumed[1];
+                    mLastY = eventY - mScrollOffset[1];
+                    event.offsetLocation(0, -mScrollOffset[1]);
+                    mNestedOffsetY += mScrollOffset[1];
+                }
+                returnValue = super.onTouchEvent(event);
+
+                // NestedScroll
+                if (dispatchNestedScroll(0, mScrollOffset[1], 0, deltaY, mScrollOffset)) {
+                    event.offsetLocation(0, mScrollOffset[1]);
+                    mNestedOffsetY += mScrollOffset[1];
+                    mLastY -= mScrollOffset[1];
+                }
+                break;
+            case MotionEvent.ACTION_DOWN:
+                returnValue = super.onTouchEvent(event);
+                mLastY = eventY;
+                // start NestedScroll
+                startNestedScroll(ViewCompat.SCROLL_AXIS_VERTICAL);
+                break;
+            case MotionEvent.ACTION_UP:
+            case MotionEvent.ACTION_CANCEL:
+                returnValue = super.onTouchEvent(event);
+                // end NestedScroll
+                stopNestedScroll();
+                break;
+        }
+        return returnValue;
+    }
+
+    // Nested Scroll implements
+    @Override
+    public void setNestedScrollingEnabled(boolean enabled) {
+        mChildHelper.setNestedScrollingEnabled(enabled);
+    }
+
+    @Override
+    public boolean isNestedScrollingEnabled() {
+        return mChildHelper.isNestedScrollingEnabled();
+    }
+
+    @Override
+    public boolean startNestedScroll(int axes) {
+        return mChildHelper.startNestedScroll(axes);
+    }
+
+    @Override
+    public void stopNestedScroll() {
+        mChildHelper.stopNestedScroll();
+    }
+
+    @Override
+    public boolean hasNestedScrollingParent() {
+        return mChildHelper.hasNestedScrollingParent();
+    }
+
+    @Override
+    public boolean dispatchNestedScroll(int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed,
+                                        int[] offsetInWindow) {
+        return mChildHelper.dispatchNestedScroll(dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed, offsetInWindow);
+    }
+
+    @Override
+    public boolean dispatchNestedPreScroll(int dx, int dy, int[] consumed, int[] offsetInWindow) {
+        return mChildHelper.dispatchNestedPreScroll(dx, dy, consumed, offsetInWindow);
+    }
+
+    @Override
+    public boolean dispatchNestedFling(float velocityX, float velocityY, boolean consumed) {
+        return mChildHelper.dispatchNestedFling(velocityX, velocityY, consumed);
+    }
+
+    @Override
+    public boolean dispatchNestedPreFling(float velocityX, float velocityY) {
+        return mChildHelper.dispatchNestedPreFling(velocityX, velocityY);
+    }
+
+}

app/src/main/java/exh/ui/webview/WebViewActivity.kt

@@ -0,0 +1,191 @@
+package exh.ui.webview
+
+import android.content.ClipData
+import android.content.Intent
+import android.graphics.Bitmap
+import android.net.Uri
+import android.os.Build
+import android.os.Bundle
+import android.util.TypedValue
+import android.view.Menu
+import android.view.MenuItem
+import android.webkit.CookieManager
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.preference.getOrDefault
+import eu.kanade.tachiyomi.ui.base.activity.BaseActivity
+import eu.kanade.tachiyomi.util.clipboardManager
+import eu.kanade.tachiyomi.util.toast
+import exh.ui.login.LoginController
+import kotlinx.android.synthetic.main.activity_webview.*
+import uy.kohesive.injekt.injectLazy
+
+class WebViewActivity : BaseActivity() {
+    private val prefs: PreferencesHelper by injectLazy()
+    private var mobileUserAgent: String? = null
+    private var isDesktop: Boolean = false
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        setTheme(when (prefs.theme()) {
+            2 -> R.style.Theme_Tachiyomi_Dark
+            3 -> R.style.Theme_Tachiyomi_Amoled
+            else -> R.style.Theme_Tachiyomi
+        })
+
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_webview)
+        setSupportActionBar(toolbar)
+
+        // Opaque status bar
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            val typedValue = TypedValue()
+            theme.resolveAttribute(R.attr.colorPrimaryDark, typedValue, true)
+            window.statusBarColor = typedValue.data
+        }
+
+        // Show close button
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+        supportActionBar?.setHomeAsUpIndicator(R.drawable.ic_close_white_24dp)
+
+        val url = intent.getStringExtra(KEY_URL)
+
+        // Set immediately (required for correct title after rotation)
+        title = url
+        // Configure webview
+        webview.settings.javaScriptEnabled = true
+        webview.settings.domStorageEnabled = true
+        webview.settings.databaseEnabled = true
+        webview.webViewClient = object : WebViewClient() {
+            override fun onPageStarted(view: WebView?, url: String?, favicon: Bitmap?) {
+                super.onPageStarted(view, url, favicon)
+                invalidateOptionsMenu()
+                appbar.setExpanded(true, true)
+                title = "Loading: $url"
+            }
+
+            override fun onPageFinished(view: WebView?, url: String?) {
+                super.onPageFinished(view, url)
+                title = url
+                invalidateOptionsMenu()
+            }
+        }
+
+        // Configure E-Hentai/ExHentai cookies
+        for(domain in listOf(
+                "www.exhentai.org",
+                "exhentai.org",
+                "www.e-hentai.org",
+                "e-hentai.org",
+                "g.e-hentai.org"
+        )) {
+            for(cookie in listOf(
+                    LoginController.MEMBER_ID_COOKIE to prefs.memberIdVal().getOrDefault(),
+                    LoginController.PASS_HASH_COOKIE to prefs.passHashVal().getOrDefault(),
+                    LoginController.IGNEOUS_COOKIE to prefs.igneousVal().getOrDefault()
+            )) {
+                val cookieString = "${cookie.first}=${cookie.second}; domain=$domain; path=/;"
+                CookieManager.getInstance().setCookie(domain, cookieString)
+            }
+        }
+
+        // Long-click to copy URL
+        toolbar.setOnLongClickListener {
+            toast("URL copied.")
+            clipboardManager.primaryClip = ClipData.newUri(
+                    contentResolver,
+                    webview.title,
+                    Uri.parse(webview.url)
+            )
+            true
+        }
+
+        if(savedInstanceState == null) {
+            mobileUserAgent = webview.settings.userAgentString
+
+            if(url == null) {
+                toast("No URL supplied!")
+                finish()
+                return
+            }
+
+            webview.loadUrl(url)
+        }
+    }
+
+    override fun onRestoreInstanceState(savedInstanceState: Bundle?) {
+        super.onRestoreInstanceState(savedInstanceState)
+        savedInstanceState?.getString(STATE_KEY_MOBILE_USER_AGENT)?.let {
+            mobileUserAgent = it
+        }
+        savedInstanceState?.getBoolean(STATE_KEY_IS_DESKTOP)?.let {
+            isDesktop = it
+        }
+        webview.restoreState(savedInstanceState)
+    }
+
+    override fun onSaveInstanceState(outState: Bundle?) {
+        super.onSaveInstanceState(outState)
+        outState?.putString(STATE_KEY_MOBILE_USER_AGENT, mobileUserAgent)
+        outState?.putBoolean(STATE_KEY_IS_DESKTOP, isDesktop)
+        webview.saveState(outState)
+    }
+
+    override fun onPrepareOptionsMenu(menu: Menu?): Boolean {
+        menu?.findItem(R.id.action_forward)?.isEnabled = webview.canGoForward()
+        menu?.findItem(R.id.action_desktop_site)?.isChecked = isDesktop
+
+        return super.onPrepareOptionsMenu(menu)
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+        menuInflater.inflate(R.menu.menu_webview, menu)
+        return super.onCreateOptionsMenu(menu)
+    }
+
+    override fun onBackPressed() {
+        if(webview.canGoBack())
+            webview.goBack()
+        else
+            super.onBackPressed()
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
+        when(item?.itemId) {
+            android.R.id.home -> finish()
+            R.id.action_refresh -> webview.reload()
+            R.id.action_forward -> webview.goForward()
+            R.id.action_desktop_site -> {
+                isDesktop = !item.isChecked
+                item.isChecked = isDesktop
+
+                (if(isDesktop) {
+                    mobileUserAgent?.replace("\\([^(]*(Mobile|Android)[^)]*\\)"
+                            .toRegex(RegexOption.IGNORE_CASE), "")
+                            ?.replace("Mobile", "", true)
+                            ?.replace("Android", "", true)
+                } else {
+                    mobileUserAgent
+                })?.let {
+                    webview.settings.userAgentString = it
+                }
+
+                webview.settings.useWideViewPort = isDesktop
+                webview.settings.loadWithOverviewMode = isDesktop
+
+                webview.reload()
+            }
+            R.id.action_open_in_browser ->
+                startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(webview.url)))
+        }
+        return super.onOptionsItemSelected(item)
+    }
+
+    companion object {
+        const val KEY_URL = "url"
+
+        const val STATE_KEY_MOBILE_USER_AGENT = "mobile_user_agent"
+        const val STATE_KEY_IS_DESKTOP = "is_desktop"
+    }
+}

app/src/main/res/drawable/ic_close_white_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#ffffff"
+        android:pathData="M19,6.41L17.59,5 12,10.59 6.41,5 5,6.41 10.59,12 5,17.59 6.41,19 12,13.41 17.59,19 19,17.59 13.41,12z"/>
+</vector>

app/src/main/res/drawable/ic_desktop_windows_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M21,2L3,2c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h7v2L8,20v2h8v-2h-2v-2h7c1.1,0 2,-0.9 2,-2L23,4c0,-1.1 -0.9,-2 -2,-2zM21,16L3,16L3,4h18v12z"/>
+</vector>

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

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="false">
+
+    <android.support.design.widget.AppBarLayout
+        android:id="@+id/appbar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="?attr/colorPrimary"
+        android:theme="?attr/actionBarTheme">
+
+        <android.support.v7.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            app:layout_scrollFlags="scroll|enterAlways"
+            android:layout_height="?attr/actionBarSize">
+
+        </android.support.v7.widget.Toolbar>
+    </android.support.design.widget.AppBarLayout>
+
+    <android.support.v4.widget.NestedScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fillViewport="true"
+        app:layout_behavior="android.support.design.widget.AppBarLayout$ScrollingViewBehavior">
+
+        <exh.ui.webview.NestedWebView
+            android:id="@+id/webview"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:isScrollContainer="false" />
+    </android.support.v4.widget.NestedScrollView>
+</android.support.design.widget.CoordinatorLayout>

app/src/main/res/menu/menu_webview.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/action_refresh"
+        android:title="Refresh" />
+    <item
+        android:id="@+id/action_forward"
+        android:title="Forward" />
+    <item
+        android:id="@+id/action_desktop_site"
+        android:checkable="true"
+        android:title="Desktop site" />
+    <item
+        android:id="@+id/action_open_in_browser"
+        android:title="Open in browser" />
+</menu>

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

@@ -102,7 +102,7 @@
     <string name="short_recent_updates">Updates</string>
 
     <!-- Preferences -->
-      <!-- Subsections -->
+    <!-- Subsections -->
     <string name="pref_category_general">General</string>
     <string name="pref_category_reader">Reader</string>
     <string name="pref_category_downloads">Downloads</string>
@@ -111,7 +111,7 @@
     <string name="pref_category_advanced">Advanced</string>
     <string name="pref_category_about">About</string>
 
-      <!-- General section -->
+    <!-- General section -->
     <string name="pref_library_columns">Library manga per row</string>
     <string name="portrait">Portrait</string>
     <string name="landscape">Landscape</string>
@@ -166,7 +166,7 @@
     <string name="ext_language_info">Language: %1$s</string>
     <string name="ext_empty_preferences">There are no preferences to edit for this extension</string>
 
-      <!-- Reader section -->
+    <!-- Reader section -->
     <string name="pref_fullscreen">Fullscreen</string>
     <string name="pref_lock_orientation">Lock orientation</string>
     <string name="pref_page_transitions">Page transitions</string>
@@ -217,7 +217,7 @@
     <string name="color_filter_a_value">A</string>
 
 
-      <!-- Downloads section -->
+    <!-- Downloads section -->
     <string name="pref_download_directory">Downloads directory</string>
     <string name="pref_download_only_over_wifi">Only download over Wi-Fi</string>
     <string name="pref_remove_after_marked_as_read">Remove when marked as read</string>
@@ -232,7 +232,7 @@
     <string name="pref_download_new">Download new chapters</string>
     <string name="pref_download_new_categories">Categories to include in download</string>
 
-      <!-- Sync section -->
+    <!-- Sync section -->
     <string name="services">Services</string>
 
     <!-- Backup section -->
@@ -258,7 +258,7 @@
     <string name="restoring_backup">Restoring backup</string>
     <string name="creating_backup">Creating backup</string>
 
-      <!-- Advanced section -->
+    <!-- Advanced section -->
     <string name="pref_clear_chapter_cache">Clear chapter cache</string>
     <string name="used_cache">Used: %1$s</string>
     <string name="cache_deleted">Cache cleared. %1$d files have been deleted</string>
@@ -275,7 +275,7 @@
     <string name="pref_refresh_library_tracking">Refresh tracking metadata</string>
     <string name="pref_refresh_library_tracking_summary">Updates status, score and last chapter read from the tracking services</string>
 
-      <!-- About section -->
+    <!-- About section -->
     <string name="version">Version</string>
     <string name="build_time">Build time</string>
     <string name="pref_enable_automatic_updates">Check for updates</string>