From f185f5d032335d883c16355fa07e381edfba5be4 Mon Sep 17 00:00:00 2001
From: Michael Kwan <mkwan@google.com>
Date: Mon, 12 Sep 2016 21:53:27 -0700
Subject: [PATCH] Add power efficient indeterminate progress drawable
 animations for watch devices.

Bug: 31124138
Change-Id: I09000f9c1c4226c75c7b1f86f0cf7bc961b4b0f7
---
 .../progress_indeterminate_material.xml       | 42 +++++++++++++++++++
 ...ogress_indeterminate_rotation_material.xml | 24 +++++++++++
 ...ss_indeterminate_rotation_interpolator.xml | 18 ++++++++
 .../trim_end_interpolator.xml                 | 18 ++++++++
 .../trim_offset_interpolator.xml              | 18 ++++++++
 .../trim_start_interpolator.xml               | 18 ++++++++
 6 files changed, 138 insertions(+)
 create mode 100644 core/res/res/anim-watch/progress_indeterminate_material.xml
 create mode 100644 core/res/res/anim-watch/progress_indeterminate_rotation_material.xml
 create mode 100644 core/res/res/interpolator-watch/progress_indeterminate_rotation_interpolator.xml
 create mode 100644 core/res/res/interpolator-watch/trim_end_interpolator.xml
 create mode 100644 core/res/res/interpolator-watch/trim_offset_interpolator.xml
 create mode 100644 core/res/res/interpolator-watch/trim_start_interpolator.xml

diff --git a/core/res/res/anim-watch/progress_indeterminate_material.xml b/core/res/res/anim-watch/progress_indeterminate_material.xml
new file mode 100644
index 0000000000000..8f00d6c4cb666
--- /dev/null
+++ b/core/res/res/anim-watch/progress_indeterminate_material.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<set xmlns:android="http://schemas.android.com/apk/res/android" >
+    <objectAnimator
+        android:duration="3333"
+        android:interpolator="@interpolator/trim_start_interpolator"
+        android:propertyName="trimPathStart"
+        android:repeatCount="-1"
+        android:valueFrom="0"
+        android:valueTo="0.75"
+        android:valueType="floatType" />
+    <objectAnimator
+        android:duration="3333"
+        android:interpolator="@interpolator/trim_end_interpolator"
+        android:propertyName="trimPathEnd"
+        android:repeatCount="-1"
+        android:valueFrom="0"
+        android:valueTo="0.75"
+        android:valueType="floatType" />
+    <objectAnimator
+        android:duration="3333"
+        android:interpolator="@interpolator/trim_offset_interpolator"
+        android:propertyName="trimPathOffset"
+        android:repeatCount="-1"
+        android:valueFrom="0"
+        android:valueTo="0.25"
+        android:valueType="floatType" />
+</set>
diff --git a/core/res/res/anim-watch/progress_indeterminate_rotation_material.xml b/core/res/res/anim-watch/progress_indeterminate_rotation_material.xml
new file mode 100644
index 0000000000000..63e66ec244102
--- /dev/null
+++ b/core/res/res/anim-watch/progress_indeterminate_rotation_material.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:interpolator="@interpolator/progress_indeterminate_rotation_interpolator"
+    android:duration="16666"
+    android:propertyName="rotation"
+    android:repeatCount="-1"
+    android:valueFrom="0"
+    android:valueTo="720"
+    android:valueType="floatType" />
diff --git a/core/res/res/interpolator-watch/progress_indeterminate_rotation_interpolator.xml b/core/res/res/interpolator-watch/progress_indeterminate_rotation_interpolator.xml
new file mode 100644
index 0000000000000..ed2655cb0ac8c
--- /dev/null
+++ b/core/res/res/interpolator-watch/progress_indeterminate_rotation_interpolator.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<pathInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:pathData="M 0.0,0.0 c 0.032,0.0 0.016,0.2 0.08,0.2 l 0.12,0.0 c 0.032,0.0 0.016,0.2 0.08,0.2 l 0.12,0.0 c 0.032,0.0 0.016,0.2 0.08,0.2 l 0.12,0.0 c 0.032,0.0 0.016,0.2 0.08,0.2 l 0.12,0.0 c 0.032,0.0 0.016,0.2 0.08,0.2 l 0.12,0.0 L 1.0,1.0" />
diff --git a/core/res/res/interpolator-watch/trim_end_interpolator.xml b/core/res/res/interpolator-watch/trim_end_interpolator.xml
new file mode 100644
index 0000000000000..f46d5e0e7c821
--- /dev/null
+++ b/core/res/res/interpolator-watch/trim_end_interpolator.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<pathInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:pathData="M 0.0,0.0 c 0.08,0.0 0.04,1.0 0.2,1.0 l 0.8,0.0 L 1.0,1.0" />
diff --git a/core/res/res/interpolator-watch/trim_offset_interpolator.xml b/core/res/res/interpolator-watch/trim_offset_interpolator.xml
new file mode 100644
index 0000000000000..d58672e9cb42e
--- /dev/null
+++ b/core/res/res/interpolator-watch/trim_offset_interpolator.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<pathInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:pathData="M 0.0,0.0 l 0.4,1.0 l 0.6,0.0 L 1.0,1.0" />
diff --git a/core/res/res/interpolator-watch/trim_start_interpolator.xml b/core/res/res/interpolator-watch/trim_start_interpolator.xml
new file mode 100644
index 0000000000000..365609c97d758
--- /dev/null
+++ b/core/res/res/interpolator-watch/trim_start_interpolator.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<pathInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:pathData="M 0.0,0.0 l 0.2,0.0 c 0.08,0.0 0.04,1.0 0.2,1.0 l 0.6,0.0 L 1.0,1.0" />