RenderThread work

 Hacky prototype needs a private API to enable

Change-Id: I21e0ddf3cdbd38a4036354b5d6012449e1a34849

2 files changed, 218 insertions, 0 deletions

diff --git a/tests/RenderThreadTest/src/com/example/renderthread/MainActivity.java b/tests/RenderThreadTest/src/com/example/renderthread/MainActivity.java
new file mode 100644
index 0000000..a39aba8
--- /dev/null
+++ b/tests/RenderThreadTest/src/com/example/renderthread/MainActivity.java
@@ -0,0 +1,158 @@
+
+package com.example.renderthread;
+
+import android.animation.TimeInterpolator;
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.SystemClock;
+import android.view.DisplayList;
+import android.view.HardwareRenderer;
+import android.view.ThreadedRenderer;
+import android.view.View;
+import android.view.animation.AccelerateDecelerateInterpolator;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.ListView;
+import android.widget.SimpleAdapter;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+
+public class MainActivity extends Activity implements OnItemClickListener {
+
+    static final int DURATION = 400;
+
+    static final String KEY_NAME = "name";
+    static final String KEY_CLASS = "clazz";
+
+    static Map<String,?> make(String name) {
+        Map<String,Object> ret = new HashMap<String,Object>();
+        ret.put(KEY_NAME, name);
+        return ret;
+    }
+
+    @SuppressWarnings("serial")
+    static final ArrayList<Map<String,?>> SAMPLES = new ArrayList<Map<String,?>>() {{
+        for (int i = 1; i < 25; i++) {
+            add(make("List Item: " + i));
+        }
+    }};
+
+    Handler mHandler = new Handler();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        HardwareRenderer.sUseRenderThread = true;
+        setContentView(R.layout.activity_main);
+        ListView lv = (ListView) findViewById(android.R.id.list);
+        lv.setDrawSelectorOnTop(true);
+        lv.setAdapter(new SimpleAdapter(this, SAMPLES,
+                R.layout.item_layout, new String[] { KEY_NAME },
+                new int[] { android.R.id.text1 }));
+        lv.setOnItemClickListener(this);
+        getActionBar().setTitle("MainActivity");
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        ListView lv = (ListView) findViewById(android.R.id.list);
+        for (int i = 0; i < lv.getChildCount(); i++) {
+            lv.getChildAt(i).animate().translationY(0).setDuration(DURATION);
+        }
+    }
+
+    private static class DisplayListAnimator {
+        private static final TimeInterpolator sDefaultInterpolator =
+                new AccelerateDecelerateInterpolator();
+
+        DisplayList mDisplayList;
+        float mFromValue;
+        float mDelta;
+        long mDuration = DURATION * 2;
+        long mStartTime;
+
+        DisplayListAnimator(View view, float translateXBy) {
+            mDelta = translateXBy;
+            mFromValue = view.getTranslationY();
+            mDisplayList = view.getDisplayList();
+        }
+
+        boolean animate(long currentTime) {
+            if (mStartTime == 0) mStartTime = currentTime;
+
+            float fraction = (float)(currentTime - mStartTime) / mDuration;
+            if (fraction > 1) {
+                return false;
+            }
+            fraction = sDefaultInterpolator.getInterpolation(fraction);
+            float translation = mFromValue + (mDelta * fraction);
+            mDisplayList.setTranslationY(translation);
+            return fraction < 1f;
+        }
+    }
+
+    private static class AnimationExecutor implements Runnable {
+        DisplayListAnimator[] mAnimations;
+        ThreadedRenderer mRenderer;
+
+        AnimationExecutor(ThreadedRenderer renderer, DisplayListAnimator[] animations) {
+            mRenderer = renderer;
+            mAnimations = animations;
+            ThreadedRenderer.postToRenderThread(this);
+        }
+
+        @Override
+        public void run() {
+            boolean hasMore = false;
+            long now = SystemClock.uptimeMillis();
+            for (DisplayListAnimator animator : mAnimations) {
+                hasMore |= animator.animate(now);
+            }
+            mRenderer.repeatLastDraw();
+            if (hasMore) {
+                ThreadedRenderer.postToRenderThread(this);
+            }
+        }
+
+    }
+
+    @Override
+    public void onItemClick(final AdapterView<?> adapterView, View clickedView,
+            int clickedPosition, long clickedId) {
+        int topPosition = adapterView.getFirstVisiblePosition();
+        int dy = adapterView.getHeight();
+        final DisplayListAnimator[] animators = new DisplayListAnimator[adapterView.getChildCount()];
+        for (int i = 0; i < adapterView.getChildCount(); i++) {
+            int pos = topPosition + i;
+            View child = adapterView.getChildAt(i);
+            float delta = (pos - clickedPosition) * 1.1f;
+            if (delta == 0) delta = -1;
+            animators[i] = new DisplayListAnimator(child, dy * delta);
+        }
+        adapterView.invalidate();
+        adapterView.post(new Runnable() {
+
+            @Override
+            public void run() {
+                new AnimationExecutor((ThreadedRenderer) adapterView.getHardwareRenderer(), animators);
+            }
+        });
+        //mHandler.postDelayed(mLaunchActivity, (long) (DURATION * .4));
+        mLaunchActivity.run();
+    }
+
+    private Runnable mLaunchActivity = new Runnable() {
+
+        @Override
+        public void run() {
+            startActivity(new Intent(MainActivity.this, SubActivity.class));
+            overridePendingTransition(0, 0);
+        }
+    };
+
+}
diff --git a/tests/RenderThreadTest/src/com/example/renderthread/SubActivity.java b/tests/RenderThreadTest/src/com/example/renderthread/SubActivity.java
new file mode 100644
index 0000000..892cbae
--- /dev/null
+++ b/tests/RenderThreadTest/src/com/example/renderthread/SubActivity.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2013 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 com.example.renderthread;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.os.Process;
+import android.os.SystemClock;
+import android.view.View;
+import android.view.ViewGroup;
+
+public class SubActivity extends Activity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        long before = SystemClock.currentThreadTimeMillis();
+        setContentView(R.layout.activity_sub);
+        getActionBar().setTitle("SubActivity");
+        // Simulate being a real app!
+        while (SystemClock.currentThreadTimeMillis() - before < 100) {
+            View v = new View(this, null);
+        }
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        ViewGroup container = (ViewGroup) findViewById(R.id.my_container);
+        int dx = getWindowManager().getDefaultDisplay().getWidth();
+        for (int i = 0; i < container.getChildCount(); i++) {
+            View child = container.getChildAt(i);
+            int dir = child.getId() == R.id.from_left ? 1 : -1;
+            child.setTranslationX(dx * dir);
+            child.animate().translationX(0).setDuration(MainActivity.DURATION);
+        }
+        View bg = findViewById(R.id.bg_container);
+        bg.setAlpha(0f);
+        bg.animate().alpha(1f).setDuration(MainActivity.DURATION);
+    }
+
+    @Override
+    public void onBackPressed() {
+        super.onBackPressed();
+        overridePendingTransition(0, 0);
+    }
+}