Added a generic configuration and theme based cache

For now, only animators use it but we can consider migrating
drawable cache to it as well.

Bug: 17456416
Change-Id: I571b96856805edb171f0fc52e6bff5a365f46b70

4 files changed, 325 insertions, 0 deletions

diff --git a/core/tests/coretests/src/android/animation/AnimatorInflaterTest.java b/core/tests/coretests/src/android/animation/AnimatorInflaterTest.java
new file mode 100644
index 0000000..3c81853
--- /dev/null
+++ b/core/tests/coretests/src/android/animation/AnimatorInflaterTest.java
@@ -0,0 +1,61 @@
+/*
+* 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 java.util.HashSet;
+import java.util.Set;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import com.android.frameworks.coretests.R;
+
+public class AnimatorInflaterTest extends ActivityInstrumentationTestCase2<BasicAnimatorActivity>  {
+    Set<Integer> identityHashes = new HashSet<Integer>();
+
+    public AnimatorInflaterTest() {
+        super(BasicAnimatorActivity.class);
+    }
+
+    private void assertUnique(Object object) {
+        assertUnique(object, "");
+    }
+
+    private void assertUnique(Object object, String msg) {
+        final int code = System.identityHashCode(object);
+        assertTrue("object should be unique " + msg + ", obj:" + object, identityHashes.add(code));
+
+    }
+
+    public void testLoadStateListAnimator() {
+        StateListAnimator sla1 = AnimatorInflater.loadStateListAnimator(getActivity(),
+                R.anim.test_state_anim);
+        sla1.setTarget(getActivity().mAnimatingButton);
+        StateListAnimator sla2 = AnimatorInflater.loadStateListAnimator(getActivity(),
+                R.anim.test_state_anim);
+        assertNull(sla2.getTarget());
+        for (StateListAnimator sla : new StateListAnimator[]{sla1, sla2}) {
+            assertUnique(sla);
+            assertEquals(3, sla.getTuples().size());
+            for (StateListAnimator.Tuple tuple : sla.getTuples()) {
+                assertUnique(tuple);
+                assertUnique(tuple.getAnimator());
+            }
+        }
+    }
+
+}
diff --git a/core/tests/coretests/src/android/animation/BasicAnimatorActivity.java b/core/tests/coretests/src/android/animation/BasicAnimatorActivity.java
index 93808d9..6bcf8fc 100644
--- a/core/tests/coretests/src/android/animation/BasicAnimatorActivity.java
+++ b/core/tests/coretests/src/android/animation/BasicAnimatorActivity.java
@@ -19,11 +19,14 @@ import com.android.frameworks.coretests.R;
 
 import android.app.Activity;
 import android.os.Bundle;
+import android.widget.Button;
 
 public class BasicAnimatorActivity extends Activity {
+    public Button mAnimatingButton;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.animator_basic);
+        mAnimatingButton = (Button) findViewById(R.id.animatingButton);
     }
 }
diff --git a/core/tests/coretests/src/android/content/res/ConfigurationBoundResourceCacheTest.java b/core/tests/coretests/src/android/content/res/ConfigurationBoundResourceCacheTest.java
new file mode 100644
index 0000000..e9fd5fb
--- /dev/null
+++ b/core/tests/coretests/src/android/content/res/ConfigurationBoundResourceCacheTest.java
@@ -0,0 +1,224 @@
+/*
+ * 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.content.res;
+
+import android.test.ActivityInstrumentationTestCase2;
+import android.util.TypedValue;
+
+import com.android.frameworks.coretests.R;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+public class ConfigurationBoundResourceCacheTest
+        extends ActivityInstrumentationTestCase2<ResourceCacheActivity> {
+
+    ConfigurationBoundResourceCache<Float> mCache;
+
+    Method mCalcConfigChanges;
+
+    public ConfigurationBoundResourceCacheTest() {
+        super(ResourceCacheActivity.class);
+    }
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        mCache = new ConfigurationBoundResourceCache<Float>(getActivity().getResources());
+    }
+
+    public void testGetEmpty() {
+        assertNull(mCache.get(-1, null));
+    }
+
+    public void testSetGet() {
+        mCache.put(1, null, new DummyFloatConstantState(5f));
+        assertEquals(5f, mCache.get(1, null));
+        assertNotSame(5f, mCache.get(1, null));
+        assertEquals(null, mCache.get(1, getActivity().getTheme()));
+    }
+
+    public void testSetGetThemed() {
+        mCache.put(1, getActivity().getTheme(), new DummyFloatConstantState(5f));
+        assertEquals(null, mCache.get(1, null));
+        assertEquals(5f, mCache.get(1, getActivity().getTheme()));
+        assertNotSame(5f, mCache.get(1, getActivity().getTheme()));
+    }
+
+    public void testMultiThreadPutGet() {
+        mCache.put(1, getActivity().getTheme(), new DummyFloatConstantState(5f));
+        mCache.put(1, null, new DummyFloatConstantState(10f));
+        assertEquals(10f, mCache.get(1, null));
+        assertNotSame(10f, mCache.get(1, null));
+        assertEquals(5f, mCache.get(1, getActivity().getTheme()));
+        assertNotSame(5f, mCache.get(1, getActivity().getTheme()));
+    }
+
+    public void testVoidConfigChange()
+            throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
+        TypedValue staticValue = new TypedValue();
+        long key = 3L;
+        final Resources res = getActivity().getResources();
+        res.getValue(R.dimen.resource_cache_test_generic, staticValue, true);
+        float staticDim = TypedValue.complexToDimension(staticValue.data, res.getDisplayMetrics());
+        mCache.put(key, getActivity().getTheme(),
+                new DummyFloatConstantState(staticDim, staticValue.changingConfigurations));
+        final Configuration cfg = res.getConfiguration();
+        Configuration newCnf = new Configuration(cfg);
+        newCnf.orientation = cfg.orientation == Configuration.ORIENTATION_LANDSCAPE ?
+                Configuration.ORIENTATION_PORTRAIT
+                : Configuration.ORIENTATION_LANDSCAPE;
+        int changes = calcConfigChanges(res, newCnf);
+        assertEquals(staticDim, mCache.get(key, getActivity().getTheme()));
+        mCache.onConfigurationChange(changes);
+        assertEquals(staticDim, mCache.get(key, getActivity().getTheme()));
+    }
+
+    public void testEffectiveConfigChange()
+            throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
+        TypedValue changingValue = new TypedValue();
+        long key = 4L;
+        final Resources res = getActivity().getResources();
+        res.getValue(R.dimen.resource_cache_test_orientation_dependent, changingValue, true);
+        float changingDim = TypedValue.complexToDimension(changingValue.data,
+                res.getDisplayMetrics());
+        mCache.put(key, getActivity().getTheme(),
+                new DummyFloatConstantState(changingDim, changingValue.changingConfigurations));
+
+        final Configuration cfg = res.getConfiguration();
+        Configuration newCnf = new Configuration(cfg);
+        newCnf.orientation = cfg.orientation == Configuration.ORIENTATION_LANDSCAPE ?
+                Configuration.ORIENTATION_PORTRAIT
+                : Configuration.ORIENTATION_LANDSCAPE;
+        int changes = calcConfigChanges(res, newCnf);
+        assertEquals(changingDim, mCache.get(key, getActivity().getTheme()));
+        mCache.onConfigurationChange(changes);
+        assertNull(mCache.get(key, getActivity().getTheme()));
+    }
+
+    public void testConfigChangeMultipleResources()
+            throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
+        TypedValue staticValue = new TypedValue();
+        TypedValue changingValue = new TypedValue();
+        final Resources res = getActivity().getResources();
+        res.getValue(R.dimen.resource_cache_test_generic, staticValue, true);
+        res.getValue(R.dimen.resource_cache_test_orientation_dependent, changingValue, true);
+        float staticDim = TypedValue.complexToDimension(staticValue.data, res.getDisplayMetrics());
+        float changingDim = TypedValue.complexToDimension(changingValue.data,
+                res.getDisplayMetrics());
+        mCache.put(R.dimen.resource_cache_test_generic, getActivity().getTheme(),
+                new DummyFloatConstantState(staticDim, staticValue.changingConfigurations));
+        mCache.put(R.dimen.resource_cache_test_orientation_dependent, getActivity().getTheme(),
+                new DummyFloatConstantState(changingDim, changingValue.changingConfigurations));
+        final Configuration cfg = res.getConfiguration();
+        Configuration newCnf = new Configuration(cfg);
+        newCnf.orientation = cfg.orientation == Configuration.ORIENTATION_LANDSCAPE ?
+                Configuration.ORIENTATION_PORTRAIT
+                : Configuration.ORIENTATION_LANDSCAPE;
+        int changes = calcConfigChanges(res, newCnf);
+        assertEquals(staticDim, mCache.get(R.dimen.resource_cache_test_generic,
+                getActivity().getTheme()));
+        assertEquals(changingDim, mCache.get(R.dimen.resource_cache_test_orientation_dependent,
+                getActivity().getTheme()));
+        mCache.onConfigurationChange(changes);
+        assertEquals(staticDim, mCache.get(R.dimen.resource_cache_test_generic,
+                getActivity().getTheme()));
+        assertNull(mCache.get(R.dimen.resource_cache_test_orientation_dependent,
+                getActivity().getTheme()));
+    }
+
+    public void testConfigChangeMultipleThemes()
+            throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
+        TypedValue[] staticValues = new TypedValue[]{new TypedValue(), new TypedValue()};
+        TypedValue[] changingValues = new TypedValue[]{new TypedValue(), new TypedValue()};
+        float staticDim = 0;
+        float changingDim = 0;
+        final Resources res = getActivity().getResources();
+        for (int i = 0; i < 2; i++) {
+            res.getValue(R.dimen.resource_cache_test_generic, staticValues[i], true);
+            staticDim = TypedValue
+                    .complexToDimension(staticValues[i].data, res.getDisplayMetrics());
+
+            res.getValue(R.dimen.resource_cache_test_orientation_dependent, changingValues[i],
+                    true);
+            changingDim = TypedValue.complexToDimension(changingValues[i].data,
+                    res.getDisplayMetrics());
+            final Resources.Theme theme = i == 0 ? getActivity().getTheme() : null;
+            mCache.put(R.dimen.resource_cache_test_generic, theme,
+                    new DummyFloatConstantState(staticDim, staticValues[i].changingConfigurations));
+            mCache.put(R.dimen.resource_cache_test_orientation_dependent, theme,
+                    new DummyFloatConstantState(changingDim,
+                            changingValues[i].changingConfigurations));
+        }
+        final Configuration cfg = res.getConfiguration();
+        Configuration newCnf = new Configuration(cfg);
+        newCnf.orientation = cfg.orientation == Configuration.ORIENTATION_LANDSCAPE ?
+                Configuration.ORIENTATION_PORTRAIT
+                : Configuration.ORIENTATION_LANDSCAPE;
+        int changes = calcConfigChanges(res, newCnf);
+        for (int i = 0; i < 2; i++) {
+            final Resources.Theme theme = i == 0 ? getActivity().getTheme() : null;
+            assertEquals(staticDim, mCache.get(R.dimen.resource_cache_test_generic, theme));
+            assertEquals(changingDim,
+                    mCache.get(R.dimen.resource_cache_test_orientation_dependent, theme));
+        }
+        mCache.onConfigurationChange(changes);
+        for (int i = 0; i < 2; i++) {
+            final Resources.Theme theme = i == 0 ? getActivity().getTheme() : null;
+            assertEquals(staticDim, mCache.get(R.dimen.resource_cache_test_generic, theme));
+            assertNull(mCache.get(R.dimen.resource_cache_test_orientation_dependent, theme));
+        }
+    }
+
+    private int calcConfigChanges(Resources resources, Configuration configuration)
+            throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
+        if (mCalcConfigChanges == null) {
+            mCalcConfigChanges = Resources.class.getDeclaredMethod("calcConfigChanges",
+                    Configuration.class);
+            mCalcConfigChanges.setAccessible(true);
+        }
+        return (Integer) mCalcConfigChanges.invoke(resources, configuration);
+
+    }
+
+    static class DummyFloatConstantState extends
+            ConstantState<Float> {
+
+        final Float mObj;
+
+        int mChangingConf = 0;
+
+        DummyFloatConstantState(Float obj) {
+            mObj = obj;
+        }
+
+        DummyFloatConstantState(Float obj, int changingConf) {
+            mObj = obj;
+            mChangingConf = changingConf;
+        }
+
+        @Override
+        public int getChangingConfigurations() {
+            return mChangingConf;
+        }
+
+        @Override
+        public Float newInstance() {
+            return new Float(mObj);
+        }
+    }
+}
diff --git a/core/tests/coretests/src/android/content/res/ResourceCacheActivity.java b/core/tests/coretests/src/android/content/res/ResourceCacheActivity.java
new file mode 100644
index 0000000..f37e549
--- /dev/null
+++ b/core/tests/coretests/src/android/content/res/ResourceCacheActivity.java
@@ -0,0 +1,37 @@
+/*
+* 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.content.res;
+
+import android.annotation.Nullable;
+import android.app.Activity;
+import android.os.Bundle;
+
+import java.lang.ref.WeakReference;
+
+public class ResourceCacheActivity extends Activity {
+    static WeakReference<ResourceCacheActivity> lastCreatedInstance;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        lastCreatedInstance = new WeakReference<ResourceCacheActivity>(this);
+    }
+
+    public static ResourceCacheActivity getLastCreatedInstance() {
+        return lastCreatedInstance == null ? null : lastCreatedInstance.get();
+    }
+}