Fixed new bug where browser wouldn't close on new intent. Fixed potential vuln in downloading code. Formatted some code.

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

@@ -992,6 +992,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
             mPreferences.setSavedUrl(tabToDelete.getUrl());
         }
         final boolean isShown = tabToDelete.isShown();
+        boolean shouldClose = mIsNewIntent && isShown;
         if (isShown) {
             mBrowserFrame.setBackgroundColor(mBackgroundColor);
         }
@@ -1031,7 +1032,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         }
         mEventBus.post(new BrowserEvents.TabsChanged());
 
-        if (mIsNewIntent && isShown) {
+        if (shouldClose) {
             mIsNewIntent = false;
             closeActivity();
         }

app/src/main/java/acr/browser/lightning/app/BrowserApp.java

@@ -7,19 +7,24 @@ import com.squareup.leakcanary.LeakCanary;
 
 public class BrowserApp extends Application {
 
-    private static Context context;
+    private static Context sContext;
     private static AppComponent appComponent;
 
     @Override
     public void onCreate() {
         super.onCreate();
-        context = getApplicationContext();
         LeakCanary.install(this);
         buildDepencyGraph();
     }
 
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(base);
+        sContext = base;
+    }
+
     public static Context getAppContext() {
-        return context;
+        return sContext;
     }
 
     public static AppComponent getAppComponent() {

app/src/main/java/acr/browser/lightning/download/DownloadHandler.java

@@ -10,6 +10,7 @@ import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Environment;
 import android.support.v7.app.AlertDialog;
 import android.text.TextUtils;
@@ -63,6 +64,11 @@ public class DownloadHandler {
             Intent intent = new Intent(Intent.ACTION_VIEW);
             intent.setDataAndType(Uri.parse(url), mimetype);
             intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+            intent.addCategory(Intent.CATEGORY_BROWSABLE);
+            intent.setComponent(null);
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) {
+                intent.setSelector(null);
+            }
             ResolveInfo info = context.getPackageManager().resolveActivity(intent,
                     PackageManager.MATCH_DEFAULT_ONLY);
             if (info != null) {

app/src/main/java/acr/browser/lightning/download/LightningDownloadListener.java

@@ -26,8 +26,9 @@ public class LightningDownloadListener implements DownloadListener {
     @Override
     public void onDownloadStart(final String url, final String userAgent,
                                 final String contentDisposition, final String mimetype, long contentLength) {
-        PermissionsManager.getInstance().requestPermissionsIfNecessaryForResult(mActivity, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE,
-                Manifest.permission.WRITE_EXTERNAL_STORAGE}, new PermissionsManager.PermissionResult() {
+        PermissionsManager.getInstance().requestPermissionsIfNecessaryForResult(mActivity,
+                new String[]{Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE},
+                new PermissionsManager.PermissionResult() {
                     @Override
                     public void onGranted() {
                         String fileName = URLUtil.guessFileName(url, contentDisposition, mimetype);
@@ -61,7 +62,5 @@ public class LightningDownloadListener implements DownloadListener {
                         //TODO show message
                     }
                 });
-
-
     }
 }