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Commit dcc81035 authored by Chet Haase's avatar Chet Haase Committed by Android Git Automerger
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am fe5984f4: Merge "Corrects invalidation logic for layered views" into jb-dev

* commit 'fe5984f4':
  Corrects invalidation logic for layered views
parents 7a224b0f fe5984f4
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+2 −59
Original line number Diff line number Diff line
@@ -3938,59 +3938,6 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
            // through
            final boolean drawAnimation = (child.mPrivateFlags & DRAW_ANIMATION) == DRAW_ANIMATION;

            //noinspection PointlessBooleanExpression
            if (!HardwareRenderer.RENDER_DIRTY_REGIONS) {
                if (dirty == null) {
                    if (child.mLayerType != LAYER_TYPE_NONE) {
                        mPrivateFlags |= INVALIDATED;
                        mPrivateFlags &= ~DRAWING_CACHE_VALID;
                        child.mLocalDirtyRect.setEmpty();
                    }
                    do {
                        View view = null;
                        if (parent instanceof View) {
                            view = (View) parent;
                            if (view.mLayerType != LAYER_TYPE_NONE) {
                                view.mLocalDirtyRect.setEmpty();
                                if (view.getParent() instanceof View) {
                                    final View grandParent = (View) view.getParent();
                                    grandParent.mPrivateFlags |= INVALIDATED;
                                    grandParent.mPrivateFlags &= ~DRAWING_CACHE_VALID;
                                }
                            }
                            if ((view.mPrivateFlags & DIRTY_MASK) != 0) {
                                // already marked dirty - we're done
                                break;
                            }
                        }
    
                        if (drawAnimation) {
                            if (view != null) {
                                view.mPrivateFlags |= DRAW_ANIMATION;
                            } else if (parent instanceof ViewRootImpl) {
                                ((ViewRootImpl) parent).mIsAnimating = true;
                            }
                        }
    
                        if (parent instanceof ViewRootImpl) {
                            ((ViewRootImpl) parent).invalidate();
                            parent = null;
                        } else if (view != null) {
                            if ((view.mPrivateFlags & DRAWN) == DRAWN ||
                                    (view.mPrivateFlags & DRAWING_CACHE_VALID) == DRAWING_CACHE_VALID) {
                                view.mPrivateFlags &= ~DRAWING_CACHE_VALID;
                                view.mPrivateFlags |= DIRTY;
                                parent = view.mParent;
                            } else {
                                parent = null;
                            }
                        }
                    } while (parent != null);
                }

                return;
            }

            // Check whether the child that requests the invalidate is fully opaque
            // Views being animated or transformed are not considered opaque because we may
            // be invalidating their old position and need the parent to paint behind them.
@@ -4025,12 +3972,6 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
                View view = null;
                if (parent instanceof View) {
                    view = (View) parent;
                    if (view.mLayerType != LAYER_TYPE_NONE &&
                            view.getParent() instanceof View) {
                        final View grandParent = (View) view.getParent();
                        grandParent.mPrivateFlags |= INVALIDATED;
                        grandParent.mPrivateFlags &= ~DRAWING_CACHE_VALID;
                    }
                }

                if (drawAnimation) {
@@ -4103,6 +4044,7 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
                    location[CHILD_TOP_INDEX] = top;

                    if (mLayerType != LAYER_TYPE_NONE) {
                        mPrivateFlags |= INVALIDATED;
                        mLocalDirtyRect.union(dirty);
                    }

@@ -4121,6 +4063,7 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
                }

                if (mLayerType != LAYER_TYPE_NONE) {
                    mPrivateFlags |= INVALIDATED;
                    mLocalDirtyRect.union(dirty);
                }

+9 −0
Original line number Diff line number Diff line
@@ -675,5 +675,14 @@
            </intent-filter>
        </activity>

        <activity
                android:name="ViewLayerInvalidationActivity"
                android:label="_ViewLayerInvalidation">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

    </application>
</manifest>
+98 −0
Original line number Diff line number Diff line
<?xml version="1.0" encoding="utf-8"?>
<!--
**
** Copyright 2012, 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.
*/
-->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_width="fill_parent"
              android:layout_height="fill_parent">
    <LinearLayout android:orientation="horizontal"
                  android:layout_width="wrap_content"
                  android:layout_height="wrap_content">
        <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="This is some text"
                android:id="@+id/nestedStatus"/>
        <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="This is some text"
                android:id="@+id/invalidateStatus"/>
    </LinearLayout>
    <LinearLayout android:orientation="vertical"
                  android:layout_width="fill_parent"
                  android:layout_height="fill_parent"
                  android:id="@+id/container">
        <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="This is some text"
                android:id="@+id/textview"/>
        <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="This is some text"
                android:id="@+id/textviewa"/>
        <LinearLayout android:orientation="vertical"
                      android:layout_width="wrap_content"
                      android:layout_height="wrap_content"
                      android:id="@+id/container1">
            <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="This is some text"
                    android:id="@+id/textview1"/>
        </LinearLayout>
        <LinearLayout android:orientation="vertical"
                      android:layout_width="wrap_content"
                      android:layout_height="wrap_content"
                      android:id="@+id/container2">
            <LinearLayout android:orientation="vertical"
                          android:layout_width="wrap_content"
                          android:layout_height="wrap_content"
                          android:id="@+id/container2a">
                <TextView
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="This is some text"
                        android:id="@+id/textview2"/>
            </LinearLayout>
        </LinearLayout>
        <LinearLayout android:orientation="vertical"
                      android:layout_width="wrap_content"
                      android:layout_height="wrap_content"
                      android:id="@+id/container3">
            <LinearLayout android:orientation="vertical"
                          android:layout_width="wrap_content"
                          android:layout_height="wrap_content"
                          android:id="@+id/container3a">
                <LinearLayout android:orientation="vertical"
                              android:layout_width="wrap_content"
                              android:layout_height="wrap_content"
                              android:id="@+id/container3b">
                    <TextView
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:text="This is some text"
                            android:id="@+id/textview3"/>
                </LinearLayout>
            </LinearLayout>
        </LinearLayout>
    </LinearLayout>
</LinearLayout>
 No newline at end of file
+162 −0
Original line number Diff line number Diff line
/*
 * Copyright (C) 2012 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.android.test.hwui;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

import java.util.ArrayList;

public class ViewLayerInvalidationActivity extends Activity {

    int currentColor = Color.WHITE;
    boolean nestedLayersOn = false;
    ArrayList<LinearLayout> linearLayouts = new ArrayList<LinearLayout>();
    ArrayList<LinearLayout> topLayouts = new ArrayList<LinearLayout>();
    ArrayList<TextView> textViews = new ArrayList<TextView>();
    LinearLayout container = null;
    boolean randomInvalidates = false;
    TextView nestedStatusTV, invalidateStatusTV;
    static final String NO_NESTING = "Nested Layer: NO   ";
    static final String NESTING = "Nested Layers: YES   ";
    static final String NO_INVALIDATING = "Random Invalidating: NO   ";
    static final String INVALIDATING = "Random Invalidating: YES   ";
    static final int TEXT_COLOR_INTERVAL = 400;
    static final int INVALIDATING_INTERVAL = 1000;
    static final int NESTING_INTERVAL = 2000;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.view_layer_invalidation);

        container = (LinearLayout) findViewById(R.id.container);
        final LinearLayout container1 = (LinearLayout) findViewById(R.id.container1);
        final LinearLayout container2 = (LinearLayout) findViewById(R.id.container2);
        final LinearLayout container3 = (LinearLayout) findViewById(R.id.container3);
        nestedStatusTV = (TextView) findViewById(R.id.nestedStatus);
        invalidateStatusTV = (TextView) findViewById(R.id.invalidateStatus);
        final TextView tva = (TextView) findViewById(R.id.textviewa);

        topLayouts.add(container1);
        topLayouts.add(container2);
        topLayouts.add(container3);

        collectLinearLayouts(container);
        collectTextViews(container);

        nestedStatusTV.setText(NO_NESTING);
        invalidateStatusTV.setText(NO_INVALIDATING);

        tva.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        container1.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        container2.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        container3.setLayerType(View.LAYER_TYPE_HARDWARE, null);

        container.postDelayed(textColorSetter, TEXT_COLOR_INTERVAL);
        container.postDelayed(nestedLayerSetter, NESTING_INTERVAL);
        container.postDelayed(randomInvalidatesSetter, INVALIDATING_INTERVAL);
    }

    private Runnable textColorSetter = new Runnable() {
        @Override
        public void run() {
            currentColor = (currentColor == Color.WHITE) ? Color.RED : Color.WHITE;
            for (TextView tv : textViews) {
                tv.setTextColor(currentColor);
            }
            if (randomInvalidates) {
                randomInvalidator(container);
            }
            container.postDelayed(textColorSetter, TEXT_COLOR_INTERVAL);
        }
    };

    private Runnable randomInvalidatesSetter = new Runnable() {
        @Override
        public void run() {
            randomInvalidates = !randomInvalidates;
            invalidateStatusTV.setText(randomInvalidates ? INVALIDATING : NO_INVALIDATING);
            container.postDelayed(randomInvalidatesSetter, INVALIDATING_INTERVAL);
        }
    };

    private Runnable nestedLayerSetter = new Runnable() {
        @Override
        public void run() {
            nestedLayersOn = !nestedLayersOn;
            nestedStatusTV.setText(nestedLayersOn ? NESTING : NO_NESTING);
            for (LinearLayout layout : linearLayouts) {
                layout.setLayerType(nestedLayersOn ?
                        View.LAYER_TYPE_HARDWARE : View.LAYER_TYPE_NONE, null);
            }
            if (!nestedLayersOn) {
                for (LinearLayout layout : topLayouts) {
                    layout.setLayerType(View.LAYER_TYPE_HARDWARE, null);
                }
            }
            container.postDelayed(nestedLayerSetter, NESTING_INTERVAL);
        }
    };

    /**
     * Invalidates views based on random chance (50%). This is meant to test
     * invalidating several items in the hierarchy at the same time, which can cause artifacts
     * if our invalidation-propagation logic is not sound.
     */
    private void randomInvalidator(ViewGroup parent) {
        for (int i = 0; i < parent.getChildCount(); ++i) {
            View child = parent.getChildAt(i);
            if (Math.random() < .5) {
                child.invalidate();
            }
            if (child instanceof ViewGroup) {
                randomInvalidator((ViewGroup) child);
            }
        }
    }

    private void collectLinearLayouts(View view) {
        if (!(view instanceof LinearLayout)) {
            return;
        }
        LinearLayout parent = (LinearLayout) view;
        linearLayouts.add(parent);
        for (int i = 0; i < parent.getChildCount(); ++i) {
            collectLinearLayouts(parent.getChildAt(i));
        }
    }

    private void collectTextViews(View view) {
        if (view instanceof TextView) {
            textViews.add((TextView) view);
            return;
        }
        if (!(view instanceof ViewGroup)) {
            return;
        }
        ViewGroup parent = (ViewGroup) view;
        for (int i = 0; i < parent.getChildCount(); ++i) {
            collectTextViews(parent.getChildAt(i));
        }
    }
}