Fixed bug where opening a URL in the browser wouldn't work, refactored the ui controller, fixed bad database practices.

app/src/main/java/acr/browser/lightning/activity/BrowserActivity.java

@@ -97,7 +97,7 @@ import acr.browser.lightning.bus.TabEvents;
 import acr.browser.lightning.constant.BookmarkPage;
 import acr.browser.lightning.constant.Constants;
 import acr.browser.lightning.constant.HistoryPage;
-import acr.browser.lightning.controller.BrowserController;
+import acr.browser.lightning.controller.UIController;
 import acr.browser.lightning.database.BookmarkManager;
 import acr.browser.lightning.database.HistoryDatabase;
 import acr.browser.lightning.dialog.LightningDialogBuilder;
@@ -116,7 +116,7 @@ import acr.browser.lightning.view.LightningView;
 import butterknife.Bind;
 import butterknife.ButterKnife;
 
-public abstract class BrowserActivity extends ThemableBrowserActivity implements BrowserController, OnClickListener, OnLongClickListener {
+public abstract class BrowserActivity extends ThemableBrowserActivity implements UIController, OnClickListener, OnLongClickListener {
 
     // Static Layout
     @Bind(R.id.drawer_layout)
@@ -213,11 +213,9 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
 
     protected abstract boolean isIncognito();
 
-//    abstract void initializeTabs();
-
     abstract void closeActivity();
 
-    public abstract void updateHistory(final String title, final String url);
+    public abstract void updateHistory(@Nullable final String title, @NonNull final String url);
 
     abstract void updateCookiePreference();
 
@@ -348,7 +346,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
             WebIconDatabase.getInstance().open(getDir("icons", MODE_PRIVATE).getPath());
         }
 
-        tabsManager.restoreTabs(this, mDarkTheme, isIncognito());
+        tabsManager.restoreTabsAndHandleIntent(this, getIntent(), isIncognito());
         // At this point we always have at least a tab in the tab manager
         showTab(0);
 
@@ -955,7 +953,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
             return false;
         }
         mIsNewIntent = false;
-        LightningView startingTab = tabsManager.newTab(this, url, mDarkTheme, isIncognito());
+        LightningView startingTab = tabsManager.newTab(this, url, isIncognito());
         if (mIdGenerator == 0) {
             startingTab.resumeTimers();
         }
@@ -1257,6 +1255,11 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         });
     }
 
+    @Override
+    public boolean getUseDarkTheme() {
+        return mDarkTheme;
+    }
+
     @ColorInt
     @Override
     public int getUiColor() {
@@ -1264,11 +1267,11 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
     }
 
     @Override
-    public void updateUrl(String url, boolean shortUrl) {
-        final LightningView currentTab = tabsManager.getCurrentTab();
+    public void updateUrl(@Nullable String url, boolean shortUrl) {
         if (url == null || mSearch == null || mSearch.hasFocus()) {
             return;
         }
+        final LightningView currentTab = tabsManager.getCurrentTab();
         mEventBus.post(new BrowserEvents.CurrentPageUrl(url));
         if (shortUrl && !url.startsWith(Constants.FILE)) {
             switch (mPreferences.getUrlBoxContentChoice()) {
@@ -1302,7 +1305,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         mProgressBar.setProgress(n);
     }
 
-    void addItemToHistory(final String title, final String url) {
+    void addItemToHistory(@Nullable final String title, @NonNull final String url) {
         Runnable update = new Runnable() {
             @Override
             public void run() {
@@ -1317,7 +1320,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
                 }
             }
         };
-        if (url != null && !url.startsWith(Constants.FILE)) {
+        if (!url.startsWith(Constants.FILE)) {
             new Thread(update).start();
         }
     }
@@ -1893,7 +1896,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
             super.onReceive(context, intent);
             boolean isConnected = isConnected(context);
             Log.d(Constants.TAG, "Network Connected: " + String.valueOf(isConnected));
-            tabsManager.notifyConnectioneStatus(isConnected);
+            tabsManager.notifyConnectionStatus(isConnected);
         }
     };
 

app/src/main/java/acr/browser/lightning/activity/IncognitoActivity.java

@@ -2,6 +2,8 @@ package acr.browser.lightning.activity;
 
 import android.content.Intent;
 import android.os.Build;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.view.Menu;
 import android.webkit.CookieManager;
 import android.webkit.CookieSyncManager;
@@ -44,7 +46,7 @@ public class IncognitoActivity extends BrowserActivity {
     }
 
     @Override
-    public void updateHistory(String title, String url) {
+    public void updateHistory(@Nullable String title, @NonNull String url) {
         // addItemToHistory(title, url);
     }
 

app/src/main/java/acr/browser/lightning/activity/MainActivity.java

@@ -2,6 +2,8 @@ package acr.browser.lightning.activity;
 
 import android.content.Intent;
 import android.os.Build;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.view.Menu;
 import android.webkit.CookieManager;
 import android.webkit.CookieSyncManager;
@@ -45,7 +47,7 @@ public class MainActivity extends BrowserActivity {
     }
 
     @Override
-    public void updateHistory(String title, String url) {
+    public void updateHistory(@Nullable String title, @NonNull String url) {
         addItemToHistory(title, url);
     }
 

app/src/main/java/acr/browser/lightning/activity/TabsManager.java

@@ -1,7 +1,10 @@
 package acr.browser.lightning.activity;
 
+import android.app.Activity;
 import android.content.Context;
+import android.content.Intent;
 import android.support.annotation.Nullable;
+import android.util.Log;
 import android.webkit.WebView;
 
 import java.util.ArrayList;
@@ -21,6 +24,7 @@ import acr.browser.lightning.view.LightningView;
 @Singleton
 public class TabsManager {
 
+    private static final String TAG = TabsManager.class.getSimpleName();
     private final List<LightningView> mWebViewList = new ArrayList<>();
     private LightningView mCurrentTab;
 
@@ -28,24 +32,30 @@ public class TabsManager {
     PreferenceManager mPreferenceManager;
 
     @Inject
-    public TabsManager() {
-    }
+    public TabsManager() {}
 
-    public void restoreTabs(BrowserActivity activity, boolean darkTheme, boolean incognito) {
+    public void restoreTabsAndHandleIntent(Activity activity, Intent intent, boolean incognito) {
+        String url = null;
+        if (intent != null) {
+            url = intent.getDataString();
+        }
         mWebViewList.clear();
         mCurrentTab = null;
+        if (url != null) {
+            newTab(activity, url, incognito);
+        }
         if (!incognito && mPreferenceManager.getRestoreLostTabsEnabled()) {
             final String mem = mPreferenceManager.getMemoryUrl();
             mPreferenceManager.setMemoryUrl("");
             String[] array = Utils.getArray(mem);
             for (String urlString : array) {
                 if (!urlString.isEmpty()) {
-                    newTab(activity, urlString, darkTheme, incognito);
+                    newTab(activity, urlString, incognito);
                 }
             }
         }
         if (mWebViewList.size() == 0) {
-            newTab(activity, null, darkTheme, incognito);
+            newTab(activity, null, incognito);
         }
         // mCurrentTab = mWebViewList.get(0);
     }
@@ -68,7 +78,7 @@ public class TabsManager {
      * @return the corespondent {@link LightningView}, or null if the index is invalid
      */
     @Nullable
-    public LightningView getTabAtPosition(final int position) {
+    public synchronized LightningView getTabAtPosition(final int position) {
         if (position < 0 || position >= mWebViewList.size()) {
             return null;
         }
@@ -79,7 +89,7 @@ public class TabsManager {
     /**
      * Try to low memory pressure
      */
-    public void freeMemory() {
+    public synchronized void freeMemory() {
         for (LightningView tab : mWebViewList) {
             tab.freeMemory();
         }
@@ -111,7 +121,7 @@ public class TabsManager {
      *
      * @param isConnected
      */
-    public synchronized void notifyConnectioneStatus(final boolean isConnected) {
+    public synchronized void notifyConnectionStatus(final boolean isConnected) {
         for (LightningView tab : mWebViewList) {
             final WebView webView = tab.getWebView();
             if (webView != null) {
@@ -123,7 +133,7 @@ public class TabsManager {
     /**
      * @return The number of currently opened tabs
      */
-    public int size() {
+    public synchronized int size() {
         return mWebViewList.size();
     }
 
@@ -132,14 +142,13 @@ public class TabsManager {
      *
      * @param activity
      * @param url
-     * @param darkTheme
      * @param isIncognito
      * @return
      */
-    public synchronized LightningView newTab(final BrowserActivity activity,
-                                             final String url, final boolean darkTheme,
+    public synchronized LightningView newTab(final Activity activity,
+                                             final String url,
                                              final boolean isIncognito) {
-        final LightningView tab = new LightningView(activity, url, darkTheme, isIncognito);
+        final LightningView tab = new LightningView(activity, url, isIncognito);
         mWebViewList.add(tab);
         return tab;
     }
@@ -166,7 +175,7 @@ public class TabsManager {
      * @param tab the tab to look for
      * @return the position of the tab or -1 if the tab is not in the list
      */
-    public int positionOf(final LightningView tab) {
+    public synchronized int positionOf(final LightningView tab) {
         return mWebViewList.indexOf(tab);
     }
 
@@ -190,7 +199,7 @@ public class TabsManager {
      * @return a {@link WebView} or null
      */
     @Nullable
-    public WebView getCurrentWebView() {
+    public synchronized WebView getCurrentWebView() {
         return mCurrentTab != null ? mCurrentTab.getWebView() : null;
     }
 
@@ -200,7 +209,7 @@ public class TabsManager {
      * @return
      */
     @Nullable
-    public LightningView getCurrentTab() {
+    public synchronized LightningView getCurrentTab() {
         return mCurrentTab;
     }
 
@@ -212,8 +221,9 @@ public class TabsManager {
      * @return the selected tab or null if position is out of tabs range
      */
     @Nullable
-    public LightningView switchToTab(final int position) {
+    public synchronized LightningView switchToTab(final int position) {
         if (position < 0 || position >= mWebViewList.size()) {
+            Log.e(TAG, "Returning a null LightningView requested for position: " + position);
             return null;
         } else {
             final LightningView tab = mWebViewList.get(position);

app/src/main/java/acr/browser/lightning/controller/UIController.java

@@ -16,18 +16,20 @@ import android.webkit.WebChromeClient.CustomViewCallback;
 
 import acr.browser.lightning.view.LightningView;
 
-public interface BrowserController {
+public interface UIController {
 
     void changeToolbarBackground(@NonNull Bitmap favicon, @Nullable Drawable drawable);
 
     @ColorInt
     int getUiColor();
 
-    void updateUrl(String title, boolean shortUrl);
+    boolean getUseDarkTheme();
+
+    void updateUrl(@Nullable String title, boolean shortUrl);
 
     void updateProgress(int n);
 
-    void updateHistory(String title, String url);
+    void updateHistory(@Nullable String title, @NonNull String url);
 
     void openFileChooser(ValueCallback<Uri> uploadMsg);
 

app/src/main/java/acr/browser/lightning/database/HistoryDatabase.java

@@ -8,6 +8,8 @@ import android.content.Context;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -38,10 +40,6 @@ public class HistoryDatabase extends SQLiteOpenHelper {
 
     private SQLiteDatabase mDatabase;
 
-    private static HistoryDatabase mInstance;
-
-    private boolean mLock;
-
     @Inject
     public HistoryDatabase(Context context) {
         super(context.getApplicationContext(), DATABASE_NAME, null, DATABASE_VERSION);
@@ -66,24 +64,22 @@ public class HistoryDatabase extends SQLiteOpenHelper {
         onCreate(db);
     }
 
-    public void deleteHistory() {
+    public synchronized void deleteHistory() {
         mDatabase.delete(TABLE_HISTORY, null, null);
         mDatabase.close();
         mDatabase = this.getWritableDatabase();
     }
 
-    private boolean isClosed() {
+    private synchronized boolean isClosed() {
         return mDatabase == null || !mDatabase.isOpen();
     }
 
     @Override
     public synchronized void close() {
-        if (!mLock) {
         if (mDatabase != null) {
             mDatabase.close();
             mDatabase = null;
         }
-        }
         super.close();
     }
 
@@ -94,42 +90,35 @@ public class HistoryDatabase extends SQLiteOpenHelper {
     }
 
     public synchronized void deleteHistoryItem(String url) {
-        mLock = true;
         openIfNecessary();
         mDatabase.delete(TABLE_HISTORY, KEY_URL + " = ?", new String[]{url});
-        mLock = false;
     }
 
-    public synchronized void visitHistoryItem(String url, String title) {
-        mLock = true;
+    public synchronized void visitHistoryItem(@NonNull String url, @Nullable String title) {
         openIfNecessary();
         ContentValues values = new ContentValues();
-        values.put(KEY_TITLE, title);
+        values.put(KEY_TITLE, title == null ? "" : title);
         values.put(KEY_TIME_VISITED, System.currentTimeMillis());
         Cursor q = mDatabase.query(false, TABLE_HISTORY, new String[]{KEY_URL},
                 KEY_URL + " = ?", new String[]{url}, null, null, null, "1");
         if (q.getCount() > 0) {
             mDatabase.update(TABLE_HISTORY, values, KEY_URL + " = ?", new String[]{url});
         } else {
-            addHistoryItem(new HistoryItem(url, title));
+            addHistoryItem(new HistoryItem(url, title == null ? "" : title));
         }
         q.close();
-        mLock = false;
     }
 
-    private synchronized void addHistoryItem(HistoryItem item) {
-        mLock = true;
+    private synchronized void addHistoryItem(@NonNull HistoryItem item) {
         openIfNecessary();
         ContentValues values = new ContentValues();
         values.put(KEY_URL, item.getUrl());
         values.put(KEY_TITLE, item.getTitle());
         values.put(KEY_TIME_VISITED, System.currentTimeMillis());
         mDatabase.insert(TABLE_HISTORY, null, values);
-        mLock = false;
     }
 
-    String getHistoryItem(String url) {
-        mLock = true;
+    synchronized String getHistoryItem(String url) {
         openIfNecessary();
         Cursor cursor = mDatabase.query(TABLE_HISTORY, new String[]{KEY_ID, KEY_URL, KEY_TITLE},
                 KEY_URL + " = ?", new String[]{url}, null, null, null, null);
@@ -140,14 +129,15 @@ public class HistoryDatabase extends SQLiteOpenHelper {
 
             cursor.close();
         }
-        mLock = false;
         return m;
     }
 
-    public List<HistoryItem> findItemsContaining(String search) {
-        mLock = true;
+    public synchronized List<HistoryItem> findItemsContaining(@Nullable String search) {
         openIfNecessary();
         List<HistoryItem> itemList = new ArrayList<>(5);
+        if (search == null) {
+            return itemList;
+        }
         String selectQuery = "SELECT * FROM " + TABLE_HISTORY + " WHERE " + KEY_TITLE + " LIKE '%"
                 + search + "%' OR " + KEY_URL + " LIKE '%" + search + "%' " + "ORDER BY "
                 + KEY_TIME_VISITED + " DESC LIMIT 5";
@@ -165,12 +155,10 @@ public class HistoryDatabase extends SQLiteOpenHelper {
             } while (cursor.moveToNext() && n < 5);
         }
         cursor.close();
-        mLock = false;
         return itemList;
     }
 
-    public List<HistoryItem> getLastHundredItems() {
-        mLock = true;
+    public synchronized List<HistoryItem> getLastHundredItems() {
         openIfNecessary();
         List<HistoryItem> itemList = new ArrayList<>(100);
         String selectQuery = "SELECT * FROM " + TABLE_HISTORY + " ORDER BY " + KEY_TIME_VISITED
@@ -189,12 +177,10 @@ public class HistoryDatabase extends SQLiteOpenHelper {
             } while (cursor.moveToNext() && counter < 100);
         }
         cursor.close();
-        mLock = false;
         return itemList;
     }
 
-    public List<HistoryItem> getAllHistoryItems() {
-        mLock = true;
+    public synchronized List<HistoryItem> getAllHistoryItems() {
         openIfNecessary();
         List<HistoryItem> itemList = new ArrayList<>();
         String selectQuery = "SELECT  * FROM " + TABLE_HISTORY + " ORDER BY " + KEY_TIME_VISITED
@@ -212,18 +198,15 @@ public class HistoryDatabase extends SQLiteOpenHelper {
             } while (cursor.moveToNext());
         }
         cursor.close();
-        mLock = false;
         return itemList;
     }
 
-    public int getHistoryItemsCount() {
-        mLock = true;
+    public synchronized int getHistoryItemsCount() {
         openIfNecessary();
         String countQuery = "SELECT * FROM " + TABLE_HISTORY;
         Cursor cursor = mDatabase.rawQuery(countQuery, null);
         int n = cursor.getCount();
         cursor.close();
-        mLock = false;
         return n;
     }
 }

app/src/main/java/acr/browser/lightning/fragment/TabsFragment.java

@@ -40,7 +40,7 @@ import acr.browser.lightning.app.BrowserApp;
 import acr.browser.lightning.bus.BrowserEvents;
 import acr.browser.lightning.bus.NavigationEvents;
 import acr.browser.lightning.bus.TabEvents;
-import acr.browser.lightning.controller.BrowserController;
+import acr.browser.lightning.controller.UIController;
 import acr.browser.lightning.preference.PreferenceManager;
 import acr.browser.lightning.utils.ThemeUtils;
 import acr.browser.lightning.utils.Utils;
@@ -71,7 +71,7 @@ public class TabsFragment extends Fragment implements View.OnClickListener, View
 
     private RecyclerView mRecyclerView;
     private LightningViewAdapter mTabsAdapter;
-    private BrowserController mUiController;
+    private UIController mUiController;
 
     @Inject
     TabsManager tabsManager;
@@ -91,7 +91,7 @@ public class TabsFragment extends Fragment implements View.OnClickListener, View
         super.onCreate(savedInstanceState);
         final Bundle arguments = getArguments();
         final Context context = getContext();
-        mUiController = (BrowserController) getActivity();
+        mUiController = (UIController) getActivity();
         mIsIncognito = arguments.getBoolean(IS_INCOGNITO, false);
         mShowInNavigationDrawer = arguments.getBoolean(VERTICAL_MODE, true);
         mDarkTheme = mPreferences.getUseTheme() != 0 || mIsIncognito;

app/src/main/java/acr/browser/lightning/view/LightningChromeClient.java

@@ -1,6 +1,7 @@
 package acr.browser.lightning.view;
 
 import android.Manifest;
+import android.app.Activity;
 import android.content.DialogInterface;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
@@ -23,10 +24,10 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 
 import acr.browser.lightning.R;
-import acr.browser.lightning.activity.BrowserActivity;
 import acr.browser.lightning.app.BrowserApp;
 import acr.browser.lightning.bus.BrowserEvents;
 import acr.browser.lightning.constant.Constants;
+import acr.browser.lightning.controller.UIController;
 import acr.browser.lightning.utils.PermissionsManager;
 import acr.browser.lightning.utils.Utils;
 
@@ -38,12 +39,14 @@ class LightningChromeClient extends WebChromeClient {
 
     private static final String[] PERMISSIONS = new String[]{Manifest.permission.ACCESS_FINE_LOCATION};
 
-    private final BrowserActivity mActivity;
+    private final Activity mActivity;
     private final LightningView mLightningView;
+    private final UIController mUIController;
     private final Bus eventBus;
 
-    LightningChromeClient(BrowserActivity activity, LightningView lightningView) {
+    LightningChromeClient(Activity activity, LightningView lightningView) {
         mActivity = activity;
+        mUIController = (UIController) activity;
         mLightningView = lightningView;
         eventBus = BrowserApp.getAppComponent().getBus();
     }
@@ -51,7 +54,7 @@ class LightningChromeClient extends WebChromeClient {
     @Override
     public void onProgressChanged(WebView view, int newProgress) {
         if (mLightningView.isShown()) {
-            mActivity.updateProgress(newProgress);
+            mUIController.updateProgress(newProgress);
         }
     }
 
@@ -103,7 +106,7 @@ class LightningChromeClient extends WebChromeClient {
         }
         eventBus.post(new BrowserEvents.TabsChanged());
         if (view != null) {
-            mActivity.updateHistory(title, view.getUrl());
+            mUIController.updateHistory(title, view.getUrl());
         }
     }
 
@@ -152,30 +155,33 @@ class LightningChromeClient extends WebChromeClient {
     @Override
     public boolean onCreateWindow(WebView view, boolean isDialog, boolean isUserGesture,
                                   Message resultMsg) {
-        mActivity.onCreateWindow(resultMsg);
+        mUIController.onCreateWindow(resultMsg);
         return true;
     }
 
     @Override
     public void onCloseWindow(WebView window) {
-        mActivity.onCloseWindow(mLightningView);
+        mUIController.onCloseWindow(mLightningView);
     }
 
+    @SuppressWarnings("unused")
     public void openFileChooser(ValueCallback<Uri> uploadMsg) {
-        mActivity.openFileChooser(uploadMsg);
+        mUIController.openFileChooser(uploadMsg);
     }
 
+    @SuppressWarnings("unused")
     public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType) {
-        mActivity.openFileChooser(uploadMsg);
+        mUIController.openFileChooser(uploadMsg);
     }
 
+    @SuppressWarnings("unused")
     public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture) {
-        mActivity.openFileChooser(uploadMsg);
+        mUIController.openFileChooser(uploadMsg);
     }
 
     public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback,
                                      WebChromeClient.FileChooserParams fileChooserParams) {
-        mActivity.showFileChooser(filePathCallback);
+        mUIController.showFileChooser(filePathCallback);
         return true;
     }
 
@@ -206,7 +212,7 @@ class LightningChromeClient extends WebChromeClient {
 
     @Override
     public void onHideCustomView() {
-        mActivity.onHideCustomView();
+        mUIController.onHideCustomView();
         super.onHideCustomView();
     }
 
@@ -224,7 +230,7 @@ class LightningChromeClient extends WebChromeClient {
         // video.setVisibility(View.GONE);
         // }
         // } else {
-        mActivity.onShowCustomView(view, callback);
+        mUIController.onShowCustomView(view, callback);
 
         // }
 
@@ -247,7 +253,7 @@ class LightningChromeClient extends WebChromeClient {
         // video.setVisibility(View.GONE);
         // }
         // } else {
-        mActivity.onShowCustomView(view, callback);
+        mUIController.onShowCustomView(view, callback);
 
         // }
 

app/src/main/java/acr/browser/lightning/view/LightningView.java

@@ -5,6 +5,7 @@
 package acr.browser.lightning.view;
 
 import android.annotation.SuppressLint;
+import android.app.Activity;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Color;
@@ -40,12 +41,12 @@ import java.lang.ref.WeakReference;
 import javax.inject.Inject;
 
 import acr.browser.lightning.R;
-import acr.browser.lightning.activity.BrowserActivity;
 import acr.browser.lightning.app.BrowserApp;
 import acr.browser.lightning.bus.BrowserEvents;
 import acr.browser.lightning.constant.Constants;
 import acr.browser.lightning.constant.HistoryPage;
 import acr.browser.lightning.constant.StartPage;
+import acr.browser.lightning.controller.UIController;
 import acr.browser.lightning.dialog.LightningDialogBuilder;
 import acr.browser.lightning.download.LightningDownloadListener;
 import acr.browser.lightning.preference.PreferenceManager;
@@ -58,8 +59,9 @@ public class LightningView {
     final LightningViewTitle mTitle;
     private WebView mWebView;
     final boolean mIsIncognitoTab;
+    private final UIController mUIController;
     private final GestureDetector mGestureDetector;
-    private final BrowserActivity mActivity;
+    private final Activity mActivity;
     private static String mHomepage;
     private static String mDefaultUserAgent;
     private final Paint mPaint = new Paint();
@@ -87,12 +89,13 @@ public class LightningView {
     LightningDialogBuilder mBookmarksDialogBuilder;
 
     @SuppressLint("NewApi")
-    public LightningView(BrowserActivity activity, String url, boolean darkTheme, boolean isIncognito) {
+    public LightningView(Activity activity, String url, boolean isIncognito) {
         BrowserApp.getAppComponent().inject(this);
         mActivity = activity;
+        mUIController = (UIController) activity;
         mWebView = new WebView(activity);
         mIsIncognitoTab = isIncognito;
-        mTitle = new LightningViewTitle(activity, darkTheme);
+        mTitle = new LightningViewTitle(activity, mUIController.getUseDarkTheme());
 
         mMaxFling = ViewConfiguration.get(activity).getScaledMaximumFlingVelocity();
 
@@ -710,9 +713,9 @@ public class LightningView {
             } else if (mAction == MotionEvent.ACTION_UP) {
                 final float distance = (mY - mLocation);
                 if (distance > SCROLL_UP_THRESHOLD && view.getScrollY() < SCROLL_UP_THRESHOLD) {
-                    mActivity.showActionBar();
+                    mUIController.showActionBar();
                 } else if (distance < -SCROLL_UP_THRESHOLD) {
-                    mActivity.hideActionBar();
+                    mUIController.hideActionBar();
                 }
                 mLocation = 0;
             }
@@ -727,9 +730,9 @@ public class LightningView {
         public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
             int power = (int) (velocityY * 100 / mMaxFling);
             if (power < -10) {
-                mActivity.hideActionBar();
+                mUIController.hideActionBar();
             } else if (power > 15) {
-                mActivity.showActionBar();
+                mUIController.showActionBar();
             }
             return super.onFling(e1, e2, velocityX, velocityY);
         }

app/src/main/java/acr/browser/lightning/view/LightningWebClient.java

@@ -1,6 +1,7 @@
 package acr.browser.lightning.view;
 
 import android.annotation.SuppressLint;
+import android.app.Activity;
 import android.content.ActivityNotFoundException;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -31,10 +32,10 @@ import java.util.ArrayList;
 import java.util.List;
 
 import acr.browser.lightning.R;
-import acr.browser.lightning.activity.BrowserActivity;
 import acr.browser.lightning.app.BrowserApp;
 import acr.browser.lightning.bus.BrowserEvents;
 import acr.browser.lightning.constant.Constants;
+import acr.browser.lightning.controller.UIController;
 import acr.browser.lightning.utils.AdBlock;
 import acr.browser.lightning.utils.IntentUtils;
 import acr.browser.lightning.utils.ProxyUtils;
@@ -46,14 +47,16 @@ import acr.browser.lightning.utils.Utils;
  */
 class LightningWebClient extends WebViewClient {
 
-    private final BrowserActivity mActivity;
+    private final Activity mActivity;
     private final LightningView mLightningView;
+    private final UIController mUIController;
     private final AdBlock mAdBlock;
     private final Bus mEventBus;
     private final IntentUtils mIntentUtils;
 
-    LightningWebClient(BrowserActivity activity, LightningView lightningView) {
+    LightningWebClient(Activity activity, LightningView lightningView) {
         mActivity = activity;
+        mUIController = (UIController) activity;
         mLightningView = lightningView;
         mAdBlock = AdBlock.getInstance(activity);
         mAdBlock.updatePreference();
@@ -86,7 +89,7 @@ class LightningWebClient extends WebViewClient {
     @Override
     public void onPageFinished(WebView view, String url) {
         if (view.isShown()) {
-            mActivity.updateUrl(url, true);
+            mUIController.updateUrl(url, true);
             view.postInvalidate();
         }
         if (view.getTitle() == null || view.getTitle().isEmpty()) {
@@ -105,8 +108,8 @@ class LightningWebClient extends WebViewClient {
     public void onPageStarted(WebView view, String url, Bitmap favicon) {
         mLightningView.mTitle.setFavicon(null);
         if (mLightningView.isShown()) {
-            mActivity.updateUrl(url, false);
-            mActivity.showActionBar();
+            mUIController.updateUrl(url, false);
+            mUIController.showActionBar();
         }
         mEventBus.post(new BrowserEvents.TabsChanged());
     }