1 files changed, 86 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/SubtleAttentionSeeker.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/SubtleAttentionSeeker.java
new file mode 100644
index 000000000..87444c226
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/SubtleAttentionSeeker.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.util;
+
+import android.animation.Keyframe;
+import android.animation.ObjectAnimator;
+import android.animation.PropertyValuesHolder;
+import android.annotation.TargetApi;
+import android.os.Build.VERSION_CODES;
+import android.view.View;
+
+@TargetApi(VERSION_CODES.ICE_CREAM_SANDWICH)
+/** Simple animation helper for subtle attention seeker stuff.
+ *
+ * Code borrowed from Cyril Mottier: https://plus.google.com/+CyrilMottier/posts/FABaJhRMCuy
+ */
+public class SubtleAttentionSeeker {
+
+    public static ObjectAnimator tada(View view) {
+        return tada(view, 1f);
+    }
+
+    public static ObjectAnimator tada(View view, float shakeFactor) {
+
+        PropertyValuesHolder pvhScaleX = PropertyValuesHolder.ofKeyframe(View.SCALE_X,
+                Keyframe.ofFloat(0f, 1f),
+                Keyframe.ofFloat(.1f, .9f),
+                Keyframe.ofFloat(.2f, .9f),
+                Keyframe.ofFloat(.3f, 1.1f),
+                Keyframe.ofFloat(.4f, 1.1f),
+                Keyframe.ofFloat(.5f, 1.1f),
+                Keyframe.ofFloat(.6f, 1.1f),
+                Keyframe.ofFloat(.7f, 1.1f),
+                Keyframe.ofFloat(.8f, 1.1f),
+                Keyframe.ofFloat(.9f, 1.1f),
+                Keyframe.ofFloat(1f, 1f)
+        );
+
+        PropertyValuesHolder pvhScaleY = PropertyValuesHolder.ofKeyframe(View.SCALE_Y,
+                Keyframe.ofFloat(0f, 1f),
+                Keyframe.ofFloat(.1f, .9f),
+                Keyframe.ofFloat(.2f, .9f),
+                Keyframe.ofFloat(.3f, 1.1f),
+                Keyframe.ofFloat(.4f, 1.1f),
+                Keyframe.ofFloat(.5f, 1.1f),
+                Keyframe.ofFloat(.6f, 1.1f),
+                Keyframe.ofFloat(.7f, 1.1f),
+                Keyframe.ofFloat(.8f, 1.1f),
+                Keyframe.ofFloat(.9f, 1.1f),
+                Keyframe.ofFloat(1f, 1f)
+        );
+
+        PropertyValuesHolder pvhRotate = PropertyValuesHolder.ofKeyframe(View.ROTATION,
+                Keyframe.ofFloat(0f, 0f),
+                Keyframe.ofFloat(.1f, -3f * shakeFactor),
+                Keyframe.ofFloat(.2f, -3f * shakeFactor),
+                Keyframe.ofFloat(.3f, 3f * shakeFactor),
+                Keyframe.ofFloat(.4f, -3f * shakeFactor),
+                Keyframe.ofFloat(.5f, 3f * shakeFactor),
+                Keyframe.ofFloat(.6f, -3f * shakeFactor),
+                Keyframe.ofFloat(.7f, 3f * shakeFactor),
+                Keyframe.ofFloat(.8f, -3f * shakeFactor),
+                Keyframe.ofFloat(.9f, 3f * shakeFactor),
+                Keyframe.ofFloat(1f, 0)
+        );
+
+        return ObjectAnimator.ofPropertyValuesHolder(view, pvhScaleX, pvhScaleY, pvhRotate).
+                setDuration(1400);
+    }
+
+}