Merge "Letterbox: query overlaps with global coordinates"

This commit is contained in:
Adrian Roos
2019-01-21 14:52:25 +00:00
committed by Android (Google) Code Review
2 changed files with 148 additions and 27 deletions

View File

@@ -64,15 +64,11 @@ public class Letterbox {
public void layout(Rect outer, Rect inner, Point surfaceOrigin) {
mOuter.set(outer);
mInner.set(inner);
mOuter.offset(-surfaceOrigin.x, -surfaceOrigin.y);
mInner.offset(-surfaceOrigin.x, -surfaceOrigin.y);
outer = mOuter;
inner = mInner;
mTop.layout(outer.left, outer.top, inner.right, inner.top);
mLeft.layout(outer.left, inner.top, inner.left, outer.bottom);
mBottom.layout(inner.left, inner.bottom, outer.right, outer.bottom);
mRight.layout(inner.right, outer.top, outer.right, inner.bottom);
mTop.layout(outer.left, outer.top, inner.right, inner.top, surfaceOrigin);
mLeft.layout(outer.left, inner.top, inner.left, outer.bottom, surfaceOrigin);
mBottom.layout(inner.left, inner.bottom, outer.right, outer.bottom, surfaceOrigin);
mRight.layout(inner.right, outer.top, outer.right, inner.bottom, surfaceOrigin);
}
@@ -137,20 +133,18 @@ public class Letterbox {
private final String mType;
private SurfaceControl mSurface;
private final Rect mSurfaceFrame = new Rect();
private final Rect mLayoutFrame = new Rect();
private final Rect mSurfaceFrameRelative = new Rect();
private final Rect mLayoutFrameGlobal = new Rect();
private final Rect mLayoutFrameRelative = new Rect();
public LetterboxSurface(String type) {
mType = type;
}
public void layout(int left, int top, int right, int bottom) {
if (mLayoutFrame.left == left && mLayoutFrame.top == top
&& mLayoutFrame.right == right && mLayoutFrame.bottom == bottom) {
// Nothing changed.
return;
}
mLayoutFrame.set(left, top, right, bottom);
public void layout(int left, int top, int right, int bottom, Point surfaceOrigin) {
mLayoutFrameGlobal.set(left, top, right, bottom);
mLayoutFrameRelative.set(mLayoutFrameGlobal);
mLayoutFrameRelative.offset(-surfaceOrigin.x, -surfaceOrigin.y);
}
private void createSurface() {
@@ -168,32 +162,37 @@ public class Letterbox {
}
public int getWidth() {
return Math.max(0, mLayoutFrame.width());
return Math.max(0, mLayoutFrameGlobal.width());
}
public int getHeight() {
return Math.max(0, mLayoutFrame.height());
return Math.max(0, mLayoutFrameGlobal.height());
}
/**
* Returns if the given {@code rect} overlaps with this letterbox piece.
* @param rect the area to check for overlap in global coordinates
*/
public boolean isOverlappingWith(Rect rect) {
if (getWidth() <= 0 || getHeight() <= 0) {
if (mLayoutFrameGlobal.isEmpty()) {
return false;
}
return Rect.intersects(rect, mLayoutFrame);
return Rect.intersects(rect, mLayoutFrameGlobal);
}
public void applySurfaceChanges(SurfaceControl.Transaction t) {
if (mSurfaceFrame.equals(mLayoutFrame)) {
if (mSurfaceFrameRelative.equals(mLayoutFrameRelative)) {
// Nothing changed.
return;
}
mSurfaceFrame.set(mLayoutFrame);
if (!mSurfaceFrame.isEmpty()) {
mSurfaceFrameRelative.set(mLayoutFrameRelative);
if (!mSurfaceFrameRelative.isEmpty()) {
if (mSurface == null) {
createSurface();
}
t.setPosition(mSurface, mSurfaceFrame.left, mSurfaceFrame.top);
t.setWindowCrop(mSurface, mSurfaceFrame.width(), mSurfaceFrame.height());
t.setPosition(mSurface, mSurfaceFrameRelative.left, mSurfaceFrameRelative.top);
t.setWindowCrop(mSurface, mSurfaceFrameRelative.width(),
mSurfaceFrameRelative.height());
t.show(mSurface);
} else if (mSurface != null) {
t.hide(mSurface);
@@ -201,7 +200,7 @@ public class Letterbox {
}
public boolean needsApplySurfaceChanges() {
return !mSurfaceFrame.equals(mLayoutFrame);
return !mSurfaceFrameRelative.equals(mLayoutFrameRelative);
}
}
}

View File

@@ -0,0 +1,122 @@
/*
* Copyright (C) 2019 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.server.wm;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.clearInvocations;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import android.graphics.Point;
import android.graphics.Rect;
import android.platform.test.annotations.Presubmit;
import android.view.SurfaceControl;
import androidx.test.filters.SmallTest;
import org.junit.Before;
import org.junit.Test;
import org.mockito.invocation.InvocationOnMock;
import java.util.function.Supplier;
@SmallTest
@Presubmit
public class LetterboxTest {
Letterbox mLetterbox;
SurfaceControlMocker mSurfaces;
SurfaceControl.Transaction mTransaction;
@Before
public void setUp() throws Exception {
mSurfaces = new SurfaceControlMocker();
mLetterbox = new Letterbox(mSurfaces);
mTransaction = mock(SurfaceControl.Transaction.class);
}
@Test
public void testOverlappingWith_usesGlobalCoordinates() {
mLetterbox.layout(new Rect(0, 0, 10, 50), new Rect(0, 2, 10, 45), new Point(1000, 2000));
assertTrue(mLetterbox.isOverlappingWith(new Rect(0, 0, 1, 1)));
}
@Test
public void testSurfaceOrigin_applied() {
mLetterbox.layout(new Rect(0, 0, 10, 10), new Rect(0, 1, 10, 10), new Point(1000, 2000));
mLetterbox.applySurfaceChanges(mTransaction);
verify(mTransaction).setPosition(mSurfaces.top, -1000, -2000);
}
@Test
public void testSurfaceOrigin_changeCausesReapply() {
mLetterbox.layout(new Rect(0, 0, 10, 10), new Rect(0, 1, 10, 10), new Point(1000, 2000));
mLetterbox.applySurfaceChanges(mTransaction);
clearInvocations(mTransaction);
mLetterbox.layout(new Rect(0, 0, 10, 10), new Rect(0, 1, 10, 10), new Point(0, 0));
assertTrue(mLetterbox.needsApplySurfaceChanges());
mLetterbox.applySurfaceChanges(mTransaction);
verify(mTransaction).setPosition(mSurfaces.top, 0, 0);
}
class SurfaceControlMocker implements Supplier<SurfaceControl.Builder> {
private SurfaceControl.Builder mLeftBuilder;
public SurfaceControl left;
private SurfaceControl.Builder mTopBuilder;
public SurfaceControl top;
private SurfaceControl.Builder mRightBuilder;
public SurfaceControl right;
private SurfaceControl.Builder mBottomBuilder;
public SurfaceControl bottom;
@Override
public SurfaceControl.Builder get() {
final SurfaceControl.Builder builder = mock(SurfaceControl.Builder.class,
InvocationOnMock::getMock);
when(builder.setName(anyString())).then((i) -> {
if (((String) i.getArgument(0)).contains("left")) {
mLeftBuilder = (SurfaceControl.Builder) i.getMock();
} else if (((String) i.getArgument(0)).contains("top")) {
mTopBuilder = (SurfaceControl.Builder) i.getMock();
} else if (((String) i.getArgument(0)).contains("right")) {
mRightBuilder = (SurfaceControl.Builder) i.getMock();
} else if (((String) i.getArgument(0)).contains("bottom")) {
mBottomBuilder = (SurfaceControl.Builder) i.getMock();
}
return i.getMock();
});
doAnswer((i) -> {
final SurfaceControl control = mock(SurfaceControl.class);
if (i.getMock() == mLeftBuilder) {
left = control;
} else if (i.getMock() == mTopBuilder) {
top = control;
} else if (i.getMock() == mRightBuilder) {
right = control;
} else if (i.getMock() == mBottomBuilder) {
bottom = control;
}
return control;
}).when(builder).build();
return builder;
}
}
}