Bug 967254 - Move uninstalled apps check to delayed startup. r=rnewman

mobile/android/base/GeckoApp.java

@@ -572,6 +572,8 @@ public abstract class GeckoApp
             } else if (event.equals("Reader:FaviconRequest")) {
                 final String url = message.getString("url");
                 handleFaviconRequest(url);
+            } else if (event.equals("Gecko:DelayedStartup")) {
+                ThreadUtils.postToBackgroundThread(new UninstallListener.DelayedStartupTask(this));
             } else if (event.equals("Gecko:Ready")) {
                 mGeckoReadyStartupTimer.stop();
                 geckoConnected();
@@ -1325,11 +1327,6 @@ public abstract class GeckoApp
                         GeckoApp.this.onLocaleReady(uiLocale);
                     }
                 });
-
-                // Perform webapp uninstalls as appropiate.
-                if (AppConstants.MOZ_ANDROID_SYNTHAPKS) {
-                    UninstallListener.initUninstallPackageScan(getApplicationContext());
-                }
             }
         });
 
@@ -1534,6 +1531,7 @@ public abstract class GeckoApp
         registerEventListener("Menu:Remove");
         registerEventListener("Menu:Update");
         registerEventListener("Gecko:Ready");
+        registerEventListener("Gecko:DelayedStartup");
         registerEventListener("Toast:Show");
         registerEventListener("DOMFullScreen:Start");
         registerEventListener("DOMFullScreen:Stop");
@@ -2063,6 +2061,7 @@ public abstract class GeckoApp
         unregisterEventListener("Menu:Remove");
         unregisterEventListener("Menu:Update");
         unregisterEventListener("Gecko:Ready");
+        unregisterEventListener("Gecko:DelayedStartup");
         unregisterEventListener("Toast:Show");
         unregisterEventListener("DOMFullScreen:Start");
         unregisterEventListener("DOMFullScreen:Stop");

mobile/android/base/webapp/UninstallListener.java

@@ -5,8 +5,11 @@
 
 package org.mozilla.gecko.webapp;
 
+import org.mozilla.gecko.AppConstants;
+import org.mozilla.gecko.GeckoApp;
 import org.mozilla.gecko.GeckoAppShell;
 import org.mozilla.gecko.GeckoEvent;
+import org.mozilla.gecko.util.ThreadUtils;
 
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -23,6 +26,7 @@ import android.content.pm.PackageManager;
 
 import java.util.HashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Set;
 import java.util.ArrayList;
 
@@ -91,4 +95,20 @@ public class UninstallListener extends BroadcastReceiver {
             }
         }
     }
+
+    public static class DelayedStartupTask implements Runnable {
+        private GeckoApp mApp;
+
+        public DelayedStartupTask(GeckoApp app) {
+            mApp = app;
+        }
+
+        @Override
+        public void run() {
+            // Perform webapp uninstalls as appropiate.
+            if (AppConstants.MOZ_ANDROID_SYNTHAPKS) {
+                UninstallListener.initUninstallPackageScan(mApp.getApplicationContext());
+            }
+        }
+    }
 }