State based animators for Views

Set quantum theme buttons to elevate 2dp on press

Change-Id: Ibf4f5ef166b901382c304d392eba075836a96a35

3 files changed, 127 insertions, 0 deletions

diff --git a/core/tests/coretests/res/anim/reset_state_anim.xml b/core/tests/coretests/res/anim/reset_state_anim.xml
new file mode 100644
index 0000000..918d0a3
--- /dev/null
+++ b/core/tests/coretests/res/anim/reset_state_anim.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <objectAnimator android:propertyName="x" android:duration="100" android:valueTo="0" android:valueType="floatType"/>
+    <objectAnimator android:propertyName="y" android:duration="100" android:valueTo="0" android:valueType="floatType"/>
+    <objectAnimator android:propertyName="z" android:duration="100" android:valueTo="0" android:valueType="floatType"/>
+</set>
\ No newline at end of file
diff --git a/core/tests/coretests/res/anim/test_state_anim.xml b/core/tests/coretests/res/anim/test_state_anim.xml
new file mode 100644
index 0000000..9e08f68
--- /dev/null
+++ b/core/tests/coretests/res/anim/test_state_anim.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true">
+        <set>
+            <objectAnimator android:propertyName="x" android:duration="100" android:valueTo="10" android:valueType="floatType"/>
+            <objectAnimator android:propertyName="y" android:duration="100" android:valueTo="20" android:valueType="floatType"/>
+            <objectAnimator android:propertyName="z" android:duration="100" android:valueTo="20" android:valueType="floatType"/>
+        </set>
+    </item>
+    <item android:state_enabled="true" android:state_pressed="false">
+        <set>
+            <objectAnimator android:propertyName="x" android:duration="100" android:valueTo="0" android:valueType="floatType"/>
+            <objectAnimator android:propertyName="y" android:duration="100" android:valueTo="0" android:valueType="floatType"/>
+            <objectAnimator android:propertyName="z" android:duration="100" android:valueTo="0" android:valueType="floatType"/>
+        </set>
+    </item>
+    <!-- base state-->
+    <item android:animation="@anim/reset_state_anim"/>
+</selector>
\ No newline at end of file
diff --git a/core/tests/coretests/src/android/animation/StateListAnimatorTest.java b/core/tests/coretests/src/android/animation/StateListAnimatorTest.java
new file mode 100644
index 0000000..38df78d
--- /dev/null
+++ b/core/tests/coretests/src/android/animation/StateListAnimatorTest.java
@@ -0,0 +1,102 @@
+/*
+* Copyright (C) 2014 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.
+*/
+
+
+package android.animation;
+
+import android.test.ActivityInstrumentationTestCase2;
+import android.test.UiThreadTest;
+import android.util.StateSet;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.android.frameworks.coretests.R;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+
+public class StateListAnimatorTest extends ActivityInstrumentationTestCase2<BasicAnimatorActivity> {
+
+    public StateListAnimatorTest() {
+        super(BasicAnimatorActivity.class);
+    }
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+    }
+
+    public void testInflateFromAnimator() throws Exception {
+        StateListAnimator stateListAnimator = AnimatorInflater
+                .loadStateListAnimator(getActivity(), R.anim.test_state_anim);
+        assertNotNull("A state list animator should be returned", stateListAnimator);
+        assertEquals("State list animator should have three items", 3,
+                stateListAnimator.getTuples().size());
+    }
+
+    @UiThreadTest
+    public void testAttachDetach() throws Exception {
+        View view = new View(getActivity());
+        final AtomicInteger setStateCount = new AtomicInteger(0);
+        StateListAnimator stateListAnimator = new StateListAnimator() {
+            @Override
+            public void setState(int[] state) {
+                setStateCount.incrementAndGet();
+                super.setState(state);
+            }
+        };
+        view.setStateListAnimator(stateListAnimator);
+        assertNotNull("State list animator should have a reference to view even if it is detached",
+                stateListAnimator.getTarget());
+        ViewGroup viewGroup = (ViewGroup) getActivity().findViewById(android.R.id.content);
+        int preSetStateCount = setStateCount.get();
+        viewGroup.addView(view);
+        assertTrue("When view is attached, state list drawable's setState should be called",
+                preSetStateCount < setStateCount.get());
+
+        StateListAnimator stateListAnimator2 = new StateListAnimator();
+        view.setStateListAnimator(stateListAnimator2);
+        assertNull("When a new state list animator is assigned, previous one should be detached",
+                stateListAnimator.getTarget());
+        assertNull("Any running animator should be removed on detach",
+                stateListAnimator.getRunningAnimator());
+        assertEquals("The new state list animator should be attached to the view",
+                view, stateListAnimator2.getTarget());
+        viewGroup.removeView(view);
+        assertNotNull("When view is detached from window, state list animator should still keep the"
+                        + " reference",
+                stateListAnimator2.getTarget());
+    }
+
+    public void testStateListLoading() throws InterruptedException {
+        StateListAnimator stateListAnimator = AnimatorInflater
+                .loadStateListAnimator(getActivity(), R.anim.test_state_anim);
+        assertNotNull("A state list animator should be returned", stateListAnimator);
+        assertEquals("Steate list animator should have two items", 3,
+                stateListAnimator.getTuples().size());
+        StateListAnimator.Tuple tuple1 = stateListAnimator.getTuples().get(0);
+        assertEquals("first tuple should have one state", 1, tuple1.getSpecs().length);
+        assertEquals("first spec in tuple 1 should be pressed",
+                com.android.internal.R.attr.state_pressed, tuple1.getSpecs()[0]);
+
+        StateListAnimator.Tuple tuple2 = stateListAnimator.getTuples().get(1);
+        assertEquals("Second tuple should have two specs", 2, tuple2.getSpecs().length);
+        assertTrue("Tuple two should match the expected state",
+                StateSet.stateSetMatches(tuple2.getSpecs(),
+                new int[]{-com.android.internal.R.attr.state_pressed,
+                com.android.internal.R.attr.state_enabled}));
+    }
+}