Adding workaround to allow shortcuts to skip the launch animation. (Bug 6447372)

Change-Id: Ic6e985ea0e9c70044b47279dc9e8886f8fec0507
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index 0d4b0d0..ce855a1 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -33,8 +33,6 @@
 import android.appwidget.AppWidgetProviderInfo;
 import android.content.ActivityNotFoundException;
 import android.content.BroadcastReceiver;
-import android.content.ClipData;
-import android.content.ClipDescription;
 import android.content.ComponentCallbacks2;
 import android.content.ComponentName;
 import android.content.ContentResolver;
@@ -144,6 +142,10 @@
     private static final String PREFERENCES = "launcher.preferences";
     static final String FORCE_ENABLE_ROTATION_PROPERTY = "launcher.force_enable_rotation";
 
+    // The Intent extra that defines whether to ignore the launch animation
+    static final String INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION =
+            "com.android.launcher.intent.extra.shortcut.INGORE_LAUNCH_ANIMATION";
+
     // Type: int
     private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen";
     // Type: int
@@ -1890,7 +1892,11 @@
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 
         try {
-            if (v != null) {
+            // Only launch using the new animation if the shortcut has not opted out (this is a
+            // private contract between launcher and may be ignored in the future).
+            boolean useLaunchAnimation = (v != null) &&
+                    !intent.hasExtra(INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION);
+            if (useLaunchAnimation) {
                 ActivityOptions opts = ActivityOptions.makeScaleUpAnimation(v, 0, 0,
                         v.getMeasuredWidth(), v.getMeasuredHeight());