1 files changed, 110 insertions, 0 deletions
diff --git a/mobile/android/base/java/org/mozilla/gecko/LauncherActivity.java b/mobile/android/base/java/org/mozilla/gecko/LauncherActivity.java
new file mode 100644
index 000000000..4de8fa423
--- /dev/null
+++ b/mobile/android/base/java/org/mozilla/gecko/LauncherActivity.java
@@ -0,0 +1,110 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.customtabs.CustomTabsIntent;
+
+import org.mozilla.gecko.customtabs.CustomTabsActivity;
+import org.mozilla.gecko.db.BrowserContract;
+import org.mozilla.gecko.mozglue.SafeIntent;
+import org.mozilla.gecko.preferences.GeckoPreferences;
+import org.mozilla.gecko.tabqueue.TabQueueHelper;
+import org.mozilla.gecko.tabqueue.TabQueueService;
+
+/**
+ * Activity that receives incoming Intents and dispatches them to the appropriate activities (e.g. browser, custom tabs, web app).
+ */
+public class LauncherActivity extends Activity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        GeckoAppShell.ensureCrashHandling();
+
+        final SafeIntent safeIntent = new SafeIntent(getIntent());
+
+        // If it's not a view intent, it won't be a custom tabs intent either. Just launch!
+        if (!isViewIntentWithURL(safeIntent)) {
+            dispatchNormalIntent();
+
+        // Is this a custom tabs intent, and are custom tabs enabled?
+        } else if (AppConstants.MOZ_ANDROID_CUSTOM_TABS && isCustomTabsIntent(safeIntent)
+                && isCustomTabsEnabled()) {
+            dispatchCustomTabsIntent();
+
+        // Can we dispatch this VIEW action intent to the tab queue service?
+        } else if (!safeIntent.getBooleanExtra(BrowserContract.SKIP_TAB_QUEUE_FLAG, false)
+                && TabQueueHelper.TAB_QUEUE_ENABLED
+                && TabQueueHelper.isTabQueueEnabled(this)) {
+            dispatchTabQueueIntent();
+
+        // Dispatch this VIEW action intent to the browser.
+        } else {
+            dispatchNormalIntent();
+        }
+
+        finish();
+    }
+
+    /**
+     * Launch tab queue service to display overlay.
+     */
+    private void dispatchTabQueueIntent() {
+        Intent intent = new Intent(getIntent());
+        intent.setClass(getApplicationContext(), TabQueueService.class);
+        startService(intent);
+    }
+
+    /**
+     * Launch the browser activity.
+     */
+    private void dispatchNormalIntent() {
+        Intent intent = new Intent(getIntent());
+        intent.setClassName(getApplicationContext(), AppConstants.MOZ_ANDROID_BROWSER_INTENT_CLASS);
+
+        filterFlags(intent);
+
+        startActivity(intent);
+    }
+
+    private void dispatchCustomTabsIntent() {
+        Intent intent = new Intent(getIntent());
+        intent.setClassName(getApplicationContext(), CustomTabsActivity.class.getName());
+
+        filterFlags(intent);
+
+        startActivity(intent);
+    }
+
+    private static void filterFlags(Intent intent) {
+        // Explicitly remove the new task and clear task flags (Our browser activity is a single
+        // task activity and we never want to start a second task here). See bug 1280112.
+        intent.setFlags(intent.getFlags() & ~Intent.FLAG_ACTIVITY_NEW_TASK);
+        intent.setFlags(intent.getFlags() & ~Intent.FLAG_ACTIVITY_CLEAR_TASK);
+
+        // LauncherActivity is started with the "exclude from recents" flag (set in manifest). We do
+        // not want to propagate this flag from the launcher activity to the browser.
+        intent.setFlags(intent.getFlags() & ~Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
+    }
+
+    private static boolean isViewIntentWithURL(@NonNull final SafeIntent safeIntent) {
+        return Intent.ACTION_VIEW.equals(safeIntent.getAction())
+                && safeIntent.getDataString() != null;
+    }
+
+    private static boolean isCustomTabsIntent(@NonNull final SafeIntent safeIntent) {
+        return isViewIntentWithURL(safeIntent)
+                && safeIntent.hasExtra(CustomTabsIntent.EXTRA_SESSION);
+    }
+
+    private boolean isCustomTabsEnabled() {
+        return GeckoSharedPrefs.forApp(this).getBoolean(GeckoPreferences.PREFS_CUSTOM_TABS, false);
+    }
+}