| /* |
| * Copyright (C) 2016 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.accessibility; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.assertFalse; |
| import static org.mockito.ArgumentMatchers.anyFloat; |
| import static org.mockito.Matchers.anyObject; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.doAnswer; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.reset; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyNoMoreInteractions; |
| import static org.mockito.Mockito.when; |
| import static org.mockito.hamcrest.MockitoHamcrest.argThat; |
| |
| import android.animation.ValueAnimator; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.IntentFilter; |
| import android.content.res.Resources; |
| import android.graphics.PointF; |
| import android.graphics.Rect; |
| import android.graphics.Region; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.view.MagnificationSpec; |
| |
| import com.android.internal.R; |
| import com.android.server.wm.WindowManagerInternal; |
| import com.android.server.wm.WindowManagerInternal.MagnificationCallbacks; |
| |
| import org.hamcrest.CoreMatchers; |
| import org.hamcrest.Description; |
| import org.hamcrest.TypeSafeMatcher; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.Mockito; |
| import org.mockito.invocation.InvocationOnMock; |
| import org.mockito.stubbing.Answer; |
| |
| import java.util.Locale; |
| |
| @RunWith(AndroidJUnit4.class) |
| public class MagnificationControllerTest { |
| static final Rect INITIAL_MAGNIFICATION_BOUNDS = new Rect(0, 0, 100, 200); |
| static final PointF INITIAL_MAGNIFICATION_BOUNDS_CENTER = new PointF( |
| INITIAL_MAGNIFICATION_BOUNDS.centerX(), INITIAL_MAGNIFICATION_BOUNDS.centerY()); |
| static final PointF INITIAL_BOUNDS_UPPER_LEFT_2X_CENTER = new PointF(25, 50); |
| static final PointF INITIAL_BOUNDS_LOWER_RIGHT_2X_CENTER = new PointF(75, 150); |
| static final Rect OTHER_MAGNIFICATION_BOUNDS = new Rect(100, 200, 500, 600); |
| static final PointF OTHER_BOUNDS_LOWER_RIGHT_2X_CENTER = new PointF(400, 500); |
| static final Region INITIAL_MAGNIFICATION_REGION = new Region(INITIAL_MAGNIFICATION_BOUNDS); |
| static final Region OTHER_REGION = new Region(OTHER_MAGNIFICATION_BOUNDS); |
| static final int SERVICE_ID_1 = 1; |
| static final int SERVICE_ID_2 = 2; |
| |
| final Context mMockContext = mock(Context.class); |
| final AccessibilityManagerService mMockAms = mock(AccessibilityManagerService.class); |
| final WindowManagerInternal mMockWindowManager = mock(WindowManagerInternal.class); |
| final MessageCapturingHandler mMessageCapturingHandler = |
| new MessageCapturingHandler(new Handler.Callback() { |
| @Override |
| public boolean handleMessage(Message msg) { |
| return mMagnificationController.handleMessage(msg); |
| } |
| }); |
| final ArgumentCaptor<MagnificationSpec> mMagnificationSpecCaptor = |
| ArgumentCaptor.forClass(MagnificationSpec.class); |
| final ValueAnimator mMockValueAnimator = mock(ValueAnimator.class); |
| MagnificationController.SettingsBridge mMockSettingsBridge; |
| |
| |
| MagnificationController mMagnificationController; |
| ValueAnimator.AnimatorUpdateListener mTargetAnimationListener; |
| |
| @BeforeClass |
| public static void oneTimeInitialization() { |
| if (Looper.myLooper() == null) { |
| Looper.prepare(); |
| } |
| } |
| |
| @Before |
| public void setUp() { |
| when(mMockContext.getMainLooper()).thenReturn(Looper.myLooper()); |
| Resources mockResources = mock(Resources.class); |
| when(mMockContext.getResources()).thenReturn(mockResources); |
| when(mockResources.getInteger(R.integer.config_longAnimTime)) |
| .thenReturn(1000); |
| mMockSettingsBridge = mock(MagnificationController.SettingsBridge.class); |
| mMagnificationController = new MagnificationController(mMockContext, mMockAms, new Object(), |
| mMessageCapturingHandler, mMockWindowManager, mMockValueAnimator, |
| mMockSettingsBridge); |
| |
| doAnswer(new Answer<Void>() { |
| @Override |
| public Void answer(InvocationOnMock invocationOnMock) throws Throwable { |
| Object[] args = invocationOnMock.getArguments(); |
| Region regionArg = (Region) args[0]; |
| regionArg.set(INITIAL_MAGNIFICATION_REGION); |
| return null; |
| } |
| }).when(mMockWindowManager).getMagnificationRegion((Region) anyObject()); |
| |
| ArgumentCaptor<ValueAnimator.AnimatorUpdateListener> listenerArgumentCaptor = |
| ArgumentCaptor.forClass(ValueAnimator.AnimatorUpdateListener.class); |
| verify(mMockValueAnimator).addUpdateListener(listenerArgumentCaptor.capture()); |
| mTargetAnimationListener = listenerArgumentCaptor.getValue(); |
| Mockito.reset(mMockValueAnimator); // Ignore other initialization |
| } |
| |
| @Test |
| public void testRegister_WindowManagerAndContextRegisterListeners() { |
| mMagnificationController.register(); |
| verify(mMockContext).registerReceiver( |
| (BroadcastReceiver) anyObject(), (IntentFilter) anyObject()); |
| verify(mMockWindowManager).setMagnificationCallbacks((MagnificationCallbacks) anyObject()); |
| assertTrue(mMagnificationController.isRegisteredLocked()); |
| } |
| |
| @Test |
| public void testRegister_WindowManagerAndContextUnregisterListeners() { |
| mMagnificationController.register(); |
| mMagnificationController.unregister(); |
| |
| verify(mMockContext).unregisterReceiver((BroadcastReceiver) anyObject()); |
| verify(mMockWindowManager).setMagnificationCallbacks(null); |
| assertFalse(mMagnificationController.isRegisteredLocked()); |
| } |
| |
| @Test |
| public void testInitialState_noMagnificationAndMagnificationRegionReadFromWindowManager() { |
| mMagnificationController.register(); |
| MagnificationSpec expectedInitialSpec = getMagnificationSpec(1.0f, 0.0f, 0.0f); |
| Region initialMagRegion = new Region(); |
| Rect initialBounds = new Rect(); |
| |
| assertEquals(expectedInitialSpec, getCurrentMagnificationSpec()); |
| mMagnificationController.getMagnificationRegion(initialMagRegion); |
| mMagnificationController.getMagnificationBounds(initialBounds); |
| assertEquals(INITIAL_MAGNIFICATION_REGION, initialMagRegion); |
| assertEquals(INITIAL_MAGNIFICATION_BOUNDS, initialBounds); |
| assertEquals(INITIAL_MAGNIFICATION_BOUNDS.centerX(), |
| mMagnificationController.getCenterX(), 0.0f); |
| assertEquals(INITIAL_MAGNIFICATION_BOUNDS.centerY(), |
| mMagnificationController.getCenterY(), 0.0f); |
| } |
| |
| @Test |
| public void testNotRegistered_publicMethodsShouldBeBenign() { |
| assertFalse(mMagnificationController.isMagnifying()); |
| assertFalse(mMagnificationController.magnificationRegionContains(100, 100)); |
| assertFalse(mMagnificationController.reset(true)); |
| assertFalse(mMagnificationController.setScale(2, 100, 100, true, 0)); |
| assertFalse(mMagnificationController.setCenter(100, 100, false, 1)); |
| assertFalse(mMagnificationController.setScaleAndCenter(1.5f, 100, 100, false, 2)); |
| assertTrue(mMagnificationController.getIdOfLastServiceToMagnify() < 0); |
| |
| mMagnificationController.getMagnificationRegion(new Region()); |
| mMagnificationController.getMagnificationBounds(new Rect()); |
| mMagnificationController.getScale(); |
| mMagnificationController.getOffsetX(); |
| mMagnificationController.getOffsetY(); |
| mMagnificationController.getCenterX(); |
| mMagnificationController.getCenterY(); |
| mMagnificationController.offsetMagnifiedRegion(50, 50, 1); |
| mMagnificationController.unregister(); |
| } |
| |
| @Test |
| public void testSetScale_noAnimation_shouldGoStraightToWindowManagerAndUpdateState() { |
| mMagnificationController.register(); |
| final float scale = 2.0f; |
| final PointF center = INITIAL_MAGNIFICATION_BOUNDS_CENTER; |
| final PointF offsets = computeOffsets(INITIAL_MAGNIFICATION_BOUNDS, center, scale); |
| assertTrue(mMagnificationController |
| .setScale(scale, center.x, center.y, false, SERVICE_ID_1)); |
| |
| final MagnificationSpec expectedSpec = getMagnificationSpec(scale, offsets); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(expectedSpec))); |
| assertThat(getCurrentMagnificationSpec(), closeTo(expectedSpec)); |
| assertEquals(center.x, mMagnificationController.getCenterX(), 0.0); |
| assertEquals(center.y, mMagnificationController.getCenterY(), 0.0); |
| verify(mMockValueAnimator, times(0)).start(); |
| } |
| |
| @Test |
| public void testSetScale_withPivotAndAnimation_stateChangesAndAnimationHappens() { |
| mMagnificationController.register(); |
| MagnificationSpec startSpec = getCurrentMagnificationSpec(); |
| float scale = 2.0f; |
| PointF pivotPoint = INITIAL_BOUNDS_LOWER_RIGHT_2X_CENTER; |
| assertTrue(mMagnificationController |
| .setScale(scale, pivotPoint.x, pivotPoint.y, true, SERVICE_ID_1)); |
| |
| // New center should be halfway between original center and pivot |
| PointF newCenter = new PointF((pivotPoint.x + INITIAL_MAGNIFICATION_BOUNDS.centerX()) / 2, |
| (pivotPoint.y + INITIAL_MAGNIFICATION_BOUNDS.centerY()) / 2); |
| PointF offsets = computeOffsets(INITIAL_MAGNIFICATION_BOUNDS, newCenter, scale); |
| MagnificationSpec endSpec = getMagnificationSpec(scale, offsets); |
| |
| assertEquals(newCenter.x, mMagnificationController.getCenterX(), 0.5); |
| assertEquals(newCenter.y, mMagnificationController.getCenterY(), 0.5); |
| assertThat(getCurrentMagnificationSpec(), closeTo(endSpec)); |
| verify(mMockValueAnimator).start(); |
| |
| // Initial value |
| when(mMockValueAnimator.getAnimatedFraction()).thenReturn(0.0f); |
| mTargetAnimationListener.onAnimationUpdate(mMockValueAnimator); |
| verify(mMockWindowManager).setMagnificationSpec(startSpec); |
| |
| // Intermediate point |
| Mockito.reset(mMockWindowManager); |
| float fraction = 0.5f; |
| when(mMockValueAnimator.getAnimatedFraction()).thenReturn(fraction); |
| mTargetAnimationListener.onAnimationUpdate(mMockValueAnimator); |
| verify(mMockWindowManager).setMagnificationSpec( |
| argThat(closeTo(getInterpolatedMagSpec(startSpec, endSpec, fraction)))); |
| |
| // Final value |
| Mockito.reset(mMockWindowManager); |
| when(mMockValueAnimator.getAnimatedFraction()).thenReturn(1.0f); |
| mTargetAnimationListener.onAnimationUpdate(mMockValueAnimator); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(endSpec))); |
| } |
| |
| @Test |
| public void testSetCenter_whileMagnifying_noAnimation_centerMoves() { |
| mMagnificationController.register(); |
| // First zoom in |
| float scale = 2.0f; |
| assertTrue(mMagnificationController.setScale(scale, |
| INITIAL_MAGNIFICATION_BOUNDS.centerX(), INITIAL_MAGNIFICATION_BOUNDS.centerY(), |
| false, SERVICE_ID_1)); |
| Mockito.reset(mMockWindowManager); |
| |
| PointF newCenter = INITIAL_BOUNDS_LOWER_RIGHT_2X_CENTER; |
| assertTrue(mMagnificationController |
| .setCenter(newCenter.x, newCenter.y, false, SERVICE_ID_1)); |
| PointF expectedOffsets = computeOffsets(INITIAL_MAGNIFICATION_BOUNDS, newCenter, scale); |
| MagnificationSpec expectedSpec = getMagnificationSpec(scale, expectedOffsets); |
| |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(expectedSpec))); |
| assertEquals(newCenter.x, mMagnificationController.getCenterX(), 0.0); |
| assertEquals(newCenter.y, mMagnificationController.getCenterY(), 0.0); |
| verify(mMockValueAnimator, times(0)).start(); |
| } |
| |
| @Test |
| public void testSetScaleAndCenter_animated_stateChangesAndAnimationHappens() { |
| mMagnificationController.register(); |
| MagnificationSpec startSpec = getCurrentMagnificationSpec(); |
| float scale = 2.5f; |
| PointF newCenter = INITIAL_BOUNDS_LOWER_RIGHT_2X_CENTER; |
| PointF offsets = computeOffsets(INITIAL_MAGNIFICATION_BOUNDS, newCenter, scale); |
| MagnificationSpec endSpec = getMagnificationSpec(scale, offsets); |
| |
| assertTrue(mMagnificationController.setScaleAndCenter(scale, newCenter.x, newCenter.y, |
| true, SERVICE_ID_1)); |
| |
| assertEquals(newCenter.x, mMagnificationController.getCenterX(), 0.5); |
| assertEquals(newCenter.y, mMagnificationController.getCenterY(), 0.5); |
| assertThat(getCurrentMagnificationSpec(), closeTo(endSpec)); |
| verify(mMockAms).notifyMagnificationChanged( |
| INITIAL_MAGNIFICATION_REGION, scale, newCenter.x, newCenter.y); |
| verify(mMockValueAnimator).start(); |
| |
| // Initial value |
| when(mMockValueAnimator.getAnimatedFraction()).thenReturn(0.0f); |
| mTargetAnimationListener.onAnimationUpdate(mMockValueAnimator); |
| verify(mMockWindowManager).setMagnificationSpec(startSpec); |
| |
| // Intermediate point |
| Mockito.reset(mMockWindowManager); |
| float fraction = 0.33f; |
| when(mMockValueAnimator.getAnimatedFraction()).thenReturn(fraction); |
| mTargetAnimationListener.onAnimationUpdate(mMockValueAnimator); |
| verify(mMockWindowManager).setMagnificationSpec( |
| argThat(closeTo(getInterpolatedMagSpec(startSpec, endSpec, fraction)))); |
| |
| // Final value |
| Mockito.reset(mMockWindowManager); |
| when(mMockValueAnimator.getAnimatedFraction()).thenReturn(1.0f); |
| mTargetAnimationListener.onAnimationUpdate(mMockValueAnimator); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(endSpec))); |
| } |
| |
| @Test |
| public void testSetScaleAndCenter_scaleOutOfBounds_cappedAtLimits() { |
| mMagnificationController.register(); |
| MagnificationSpec startSpec = getCurrentMagnificationSpec(); |
| PointF newCenter = INITIAL_BOUNDS_LOWER_RIGHT_2X_CENTER; |
| PointF offsets = computeOffsets(INITIAL_MAGNIFICATION_BOUNDS, newCenter, |
| MagnificationController.MAX_SCALE); |
| MagnificationSpec endSpec = getMagnificationSpec( |
| MagnificationController.MAX_SCALE, offsets); |
| |
| assertTrue(mMagnificationController.setScaleAndCenter( |
| MagnificationController.MAX_SCALE + 1.0f, |
| newCenter.x, newCenter.y, false, SERVICE_ID_1)); |
| |
| assertEquals(newCenter.x, mMagnificationController.getCenterX(), 0.5); |
| assertEquals(newCenter.y, mMagnificationController.getCenterY(), 0.5); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(endSpec))); |
| Mockito.reset(mMockWindowManager); |
| |
| // Verify that we can't zoom below 1x |
| assertTrue(mMagnificationController.setScaleAndCenter(0.5f, |
| INITIAL_MAGNIFICATION_BOUNDS_CENTER.x, INITIAL_MAGNIFICATION_BOUNDS_CENTER.y, |
| false, SERVICE_ID_1)); |
| |
| assertEquals(INITIAL_MAGNIFICATION_BOUNDS_CENTER.x, |
| mMagnificationController.getCenterX(), 0.5); |
| assertEquals(INITIAL_MAGNIFICATION_BOUNDS_CENTER.y, |
| mMagnificationController.getCenterY(), 0.5); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(startSpec))); |
| } |
| |
| @Test |
| public void testSetScaleAndCenter_centerOutOfBounds_cappedAtLimits() { |
| mMagnificationController.register(); |
| float scale = 2.0f; |
| |
| // Off the edge to the top and left |
| assertTrue(mMagnificationController.setScaleAndCenter( |
| scale, -100f, -200f, false, SERVICE_ID_1)); |
| |
| PointF newCenter = INITIAL_BOUNDS_UPPER_LEFT_2X_CENTER; |
| PointF newOffsets = computeOffsets(INITIAL_MAGNIFICATION_BOUNDS, newCenter, scale); |
| assertEquals(newCenter.x, mMagnificationController.getCenterX(), 0.5); |
| assertEquals(newCenter.y, mMagnificationController.getCenterY(), 0.5); |
| verify(mMockWindowManager).setMagnificationSpec( |
| argThat(closeTo(getMagnificationSpec(scale, newOffsets)))); |
| Mockito.reset(mMockWindowManager); |
| |
| // Off the edge to the bottom and right |
| assertTrue(mMagnificationController.setScaleAndCenter(scale, |
| INITIAL_MAGNIFICATION_BOUNDS.right + 1, INITIAL_MAGNIFICATION_BOUNDS.bottom + 1, |
| false, SERVICE_ID_1)); |
| newCenter = INITIAL_BOUNDS_LOWER_RIGHT_2X_CENTER; |
| newOffsets = computeOffsets(INITIAL_MAGNIFICATION_BOUNDS, newCenter, scale); |
| assertEquals(newCenter.x, mMagnificationController.getCenterX(), 0.5); |
| assertEquals(newCenter.y, mMagnificationController.getCenterY(), 0.5); |
| verify(mMockWindowManager).setMagnificationSpec( |
| argThat(closeTo(getMagnificationSpec(scale, newOffsets)))); |
| } |
| |
| @Test |
| public void testMagnificationRegionChanged_serviceNotified() { |
| mMagnificationController.register(); |
| MagnificationCallbacks callbacks = getMagnificationCallbacks(); |
| callbacks.onMagnificationRegionChanged(OTHER_REGION); |
| mMessageCapturingHandler.sendAllMessages(); |
| verify(mMockAms).notifyMagnificationChanged(OTHER_REGION, 1.0f, |
| OTHER_MAGNIFICATION_BOUNDS.centerX(), OTHER_MAGNIFICATION_BOUNDS.centerY()); |
| } |
| |
| @Test |
| public void testOffsetMagnifiedRegion_whileMagnifying_offsetsMove() { |
| mMagnificationController.register(); |
| PointF startCenter = INITIAL_MAGNIFICATION_BOUNDS_CENTER; |
| float scale = 2.0f; |
| PointF startOffsets = computeOffsets(INITIAL_MAGNIFICATION_BOUNDS, startCenter, scale); |
| // First zoom in |
| assertTrue(mMagnificationController |
| .setScaleAndCenter(scale, startCenter.x, startCenter.y, false, SERVICE_ID_1)); |
| Mockito.reset(mMockWindowManager); |
| |
| PointF newCenter = INITIAL_BOUNDS_LOWER_RIGHT_2X_CENTER; |
| PointF newOffsets = computeOffsets(INITIAL_MAGNIFICATION_BOUNDS, newCenter, scale); |
| mMagnificationController.offsetMagnifiedRegion( |
| startOffsets.x - newOffsets.x, startOffsets.y - newOffsets.y, SERVICE_ID_1); |
| |
| MagnificationSpec expectedSpec = getMagnificationSpec(scale, newOffsets); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(expectedSpec))); |
| assertEquals(newCenter.x, mMagnificationController.getCenterX(), 0.0); |
| assertEquals(newCenter.y, mMagnificationController.getCenterY(), 0.0); |
| verify(mMockValueAnimator, times(0)).start(); |
| } |
| |
| @Test |
| public void testOffsetMagnifiedRegion_whileNotMagnifying_hasNoEffect() { |
| mMagnificationController.register(); |
| Mockito.reset(mMockWindowManager); |
| MagnificationSpec startSpec = getCurrentMagnificationSpec(); |
| mMagnificationController.offsetMagnifiedRegion(10, 10, SERVICE_ID_1); |
| assertThat(getCurrentMagnificationSpec(), closeTo(startSpec)); |
| mMagnificationController.offsetMagnifiedRegion(-10, -10, SERVICE_ID_1); |
| assertThat(getCurrentMagnificationSpec(), closeTo(startSpec)); |
| verifyNoMoreInteractions(mMockWindowManager); |
| } |
| |
| @Test |
| public void testOffsetMagnifiedRegion_whileMagnifyingButAtEdge_hasNoEffect() { |
| mMagnificationController.register(); |
| float scale = 2.0f; |
| |
| // Upper left edges |
| PointF ulCenter = INITIAL_BOUNDS_UPPER_LEFT_2X_CENTER; |
| assertTrue(mMagnificationController |
| .setScaleAndCenter(scale, ulCenter.x, ulCenter.y, false, SERVICE_ID_1)); |
| Mockito.reset(mMockWindowManager); |
| MagnificationSpec ulSpec = getCurrentMagnificationSpec(); |
| mMagnificationController.offsetMagnifiedRegion(-10, -10, SERVICE_ID_1); |
| assertThat(getCurrentMagnificationSpec(), closeTo(ulSpec)); |
| verifyNoMoreInteractions(mMockWindowManager); |
| |
| // Lower right edges |
| PointF lrCenter = INITIAL_BOUNDS_LOWER_RIGHT_2X_CENTER; |
| assertTrue(mMagnificationController |
| .setScaleAndCenter(scale, lrCenter.x, lrCenter.y, false, SERVICE_ID_1)); |
| Mockito.reset(mMockWindowManager); |
| MagnificationSpec lrSpec = getCurrentMagnificationSpec(); |
| mMagnificationController.offsetMagnifiedRegion(10, 10, SERVICE_ID_1); |
| assertThat(getCurrentMagnificationSpec(), closeTo(lrSpec)); |
| verifyNoMoreInteractions(mMockWindowManager); |
| } |
| |
| @Test |
| public void testGetIdOfLastServiceToChange_returnsCorrectValue() { |
| mMagnificationController.register(); |
| PointF startCenter = INITIAL_MAGNIFICATION_BOUNDS_CENTER; |
| assertTrue(mMagnificationController |
| .setScale(2.0f, startCenter.x, startCenter.y, false, SERVICE_ID_1)); |
| assertEquals(SERVICE_ID_1, mMagnificationController.getIdOfLastServiceToMagnify()); |
| assertTrue(mMagnificationController |
| .setScale(1.5f, startCenter.x, startCenter.y, false, SERVICE_ID_2)); |
| assertEquals(SERVICE_ID_2, mMagnificationController.getIdOfLastServiceToMagnify()); |
| } |
| |
| @Test |
| public void testSetUserId_resetsOnlyIfIdChanges() { |
| final int userId1 = 1; |
| final int userId2 = 2; |
| |
| mMagnificationController.register(); |
| mMagnificationController.setUserId(userId1); |
| PointF startCenter = INITIAL_MAGNIFICATION_BOUNDS_CENTER; |
| float scale = 2.0f; |
| mMagnificationController.setScale(scale, startCenter.x, startCenter.y, false, SERVICE_ID_1); |
| |
| mMagnificationController.setUserId(userId1); |
| assertTrue(mMagnificationController.isMagnifying()); |
| mMagnificationController.setUserId(userId2); |
| assertFalse(mMagnificationController.isMagnifying()); |
| } |
| |
| @Test |
| public void testResetIfNeeded_doesWhatItSays() { |
| mMagnificationController.register(); |
| zoomIn2xToMiddle(); |
| reset(mMockAms); |
| assertTrue(mMagnificationController.resetIfNeeded(false)); |
| verify(mMockAms).notifyMagnificationChanged( |
| eq(INITIAL_MAGNIFICATION_REGION), eq(1.0f), anyFloat(), anyFloat()); |
| assertFalse(mMagnificationController.isMagnifying()); |
| assertFalse(mMagnificationController.resetIfNeeded(false)); |
| } |
| |
| @Test |
| public void testTurnScreenOff_resetsMagnification() { |
| mMagnificationController.register(); |
| ArgumentCaptor<BroadcastReceiver> broadcastReceiverCaptor = |
| ArgumentCaptor.forClass(BroadcastReceiver.class); |
| verify(mMockContext).registerReceiver( |
| broadcastReceiverCaptor.capture(), (IntentFilter) anyObject()); |
| BroadcastReceiver br = broadcastReceiverCaptor.getValue(); |
| zoomIn2xToMiddle(); |
| br.onReceive(mMockContext, null); |
| mMessageCapturingHandler.sendAllMessages(); |
| assertFalse(mMagnificationController.isMagnifying()); |
| } |
| |
| @Test |
| public void testUserContextChange_resetsMagnification() { |
| mMagnificationController.register(); |
| MagnificationCallbacks callbacks = getMagnificationCallbacks(); |
| zoomIn2xToMiddle(); |
| callbacks.onUserContextChanged(); |
| mMessageCapturingHandler.sendAllMessages(); |
| assertFalse(mMagnificationController.isMagnifying()); |
| } |
| |
| @Test |
| public void testRotation_resetsMagnification() { |
| mMagnificationController.register(); |
| MagnificationCallbacks callbacks = getMagnificationCallbacks(); |
| zoomIn2xToMiddle(); |
| mMessageCapturingHandler.sendAllMessages(); |
| assertTrue(mMagnificationController.isMagnifying()); |
| callbacks.onRotationChanged(0); |
| mMessageCapturingHandler.sendAllMessages(); |
| assertFalse(mMagnificationController.isMagnifying()); |
| } |
| |
| @Test |
| public void testBoundsChange_whileMagnifyingWithCompatibleSpec_noSpecChange() { |
| // Going from a small region to a large one leads to no issues |
| mMagnificationController.register(); |
| zoomIn2xToMiddle(); |
| MagnificationSpec startSpec = getCurrentMagnificationSpec(); |
| MagnificationCallbacks callbacks = getMagnificationCallbacks(); |
| Mockito.reset(mMockWindowManager); |
| callbacks.onMagnificationRegionChanged(OTHER_REGION); |
| mMessageCapturingHandler.sendAllMessages(); |
| assertThat(getCurrentMagnificationSpec(), closeTo(startSpec)); |
| verifyNoMoreInteractions(mMockWindowManager); |
| } |
| |
| @Test |
| public void testBoundsChange_whileZoomingWithCompatibleSpec_noSpecChange() { |
| mMagnificationController.register(); |
| PointF startCenter = INITIAL_MAGNIFICATION_BOUNDS_CENTER; |
| float scale = 2.0f; |
| mMagnificationController.setScale(scale, startCenter.x, startCenter.y, true, SERVICE_ID_1); |
| MagnificationSpec startSpec = getCurrentMagnificationSpec(); |
| MagnificationCallbacks callbacks = getMagnificationCallbacks(); |
| Mockito.reset(mMockWindowManager); |
| callbacks.onMagnificationRegionChanged(OTHER_REGION); |
| mMessageCapturingHandler.sendAllMessages(); |
| assertThat(getCurrentMagnificationSpec(), closeTo(startSpec)); |
| verifyNoMoreInteractions(mMockWindowManager); |
| } |
| |
| @Test |
| public void testBoundsChange_whileMagnifyingWithIncompatibleSpec_offsetsConstrained() { |
| // In a large region, pan to the farthest point possible |
| mMagnificationController.register(); |
| MagnificationCallbacks callbacks = getMagnificationCallbacks(); |
| callbacks.onMagnificationRegionChanged(OTHER_REGION); |
| mMessageCapturingHandler.sendAllMessages(); |
| PointF startCenter = OTHER_BOUNDS_LOWER_RIGHT_2X_CENTER; |
| float scale = 2.0f; |
| mMagnificationController.setScale(scale, startCenter.x, startCenter.y, false, SERVICE_ID_1); |
| MagnificationSpec startSpec = getCurrentMagnificationSpec(); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(startSpec))); |
| Mockito.reset(mMockWindowManager); |
| |
| callbacks.onMagnificationRegionChanged(INITIAL_MAGNIFICATION_REGION); |
| mMessageCapturingHandler.sendAllMessages(); |
| |
| MagnificationSpec endSpec = getCurrentMagnificationSpec(); |
| assertThat(endSpec, CoreMatchers.not(closeTo(startSpec))); |
| PointF expectedOffsets = computeOffsets(INITIAL_MAGNIFICATION_BOUNDS, |
| INITIAL_BOUNDS_LOWER_RIGHT_2X_CENTER, scale); |
| assertThat(endSpec, closeTo(getMagnificationSpec(scale, expectedOffsets))); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(endSpec))); |
| } |
| |
| @Test |
| public void testBoundsChange_whileZoomingWithIncompatibleSpec_jumpsToCompatibleSpec() { |
| mMagnificationController.register(); |
| MagnificationCallbacks callbacks = getMagnificationCallbacks(); |
| callbacks.onMagnificationRegionChanged(OTHER_REGION); |
| mMessageCapturingHandler.sendAllMessages(); |
| PointF startCenter = OTHER_BOUNDS_LOWER_RIGHT_2X_CENTER; |
| float scale = 2.0f; |
| mMagnificationController.setScale(scale, startCenter.x, startCenter.y, true, SERVICE_ID_1); |
| MagnificationSpec startSpec = getCurrentMagnificationSpec(); |
| when (mMockValueAnimator.isRunning()).thenReturn(true); |
| |
| callbacks.onMagnificationRegionChanged(INITIAL_MAGNIFICATION_REGION); |
| mMessageCapturingHandler.sendAllMessages(); |
| verify(mMockValueAnimator).cancel(); |
| |
| MagnificationSpec endSpec = getCurrentMagnificationSpec(); |
| assertThat(endSpec, CoreMatchers.not(closeTo(startSpec))); |
| PointF expectedOffsets = computeOffsets(INITIAL_MAGNIFICATION_BOUNDS, |
| INITIAL_BOUNDS_LOWER_RIGHT_2X_CENTER, scale); |
| assertThat(endSpec, closeTo(getMagnificationSpec(scale, expectedOffsets))); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(endSpec))); |
| } |
| |
| @Test |
| public void testRequestRectOnScreen_rectAlreadyOnScreen_doesNothing() { |
| mMagnificationController.register(); |
| zoomIn2xToMiddle(); |
| MagnificationSpec startSpec = getCurrentMagnificationSpec(); |
| MagnificationCallbacks callbacks = getMagnificationCallbacks(); |
| Mockito.reset(mMockWindowManager); |
| int centerX = (int) INITIAL_MAGNIFICATION_BOUNDS_CENTER.x; |
| int centerY = (int) INITIAL_MAGNIFICATION_BOUNDS_CENTER.y; |
| callbacks.onRectangleOnScreenRequested(centerX - 1, centerY - 1, centerX + 1, centerY - 1); |
| mMessageCapturingHandler.sendAllMessages(); |
| assertThat(getCurrentMagnificationSpec(), closeTo(startSpec)); |
| verifyNoMoreInteractions(mMockWindowManager); |
| } |
| |
| @Test |
| public void testRequestRectOnScreen_rectCanFitOnScreen_pansToGetRectOnScreen() { |
| mMagnificationController.register(); |
| zoomIn2xToMiddle(); |
| MagnificationCallbacks callbacks = getMagnificationCallbacks(); |
| Mockito.reset(mMockWindowManager); |
| callbacks.onRectangleOnScreenRequested(0, 0, 1, 1); |
| mMessageCapturingHandler.sendAllMessages(); |
| MagnificationSpec expectedEndSpec = getMagnificationSpec(2.0f, 0, 0); |
| assertThat(getCurrentMagnificationSpec(), closeTo(expectedEndSpec)); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(expectedEndSpec))); |
| } |
| |
| @Test |
| public void testRequestRectOnScreen_garbageInput_doesNothing() { |
| mMagnificationController.register(); |
| zoomIn2xToMiddle(); |
| MagnificationSpec startSpec = getCurrentMagnificationSpec(); |
| MagnificationCallbacks callbacks = getMagnificationCallbacks(); |
| Mockito.reset(mMockWindowManager); |
| callbacks.onRectangleOnScreenRequested(0, 0, -50, -50); |
| mMessageCapturingHandler.sendAllMessages(); |
| assertThat(getCurrentMagnificationSpec(), closeTo(startSpec)); |
| verifyNoMoreInteractions(mMockWindowManager); |
| } |
| |
| |
| @Test |
| public void testRequestRectOnScreen_rectTooWide_pansToGetStartOnScreenBasedOnLocale() { |
| Locale.setDefault(new Locale("en", "us")); |
| mMagnificationController.register(); |
| zoomIn2xToMiddle(); |
| MagnificationCallbacks callbacks = getMagnificationCallbacks(); |
| MagnificationSpec startSpec = getCurrentMagnificationSpec(); |
| Mockito.reset(mMockWindowManager); |
| Rect wideRect = new Rect(0, 50, 100, 51); |
| callbacks.onRectangleOnScreenRequested( |
| wideRect.left, wideRect.top, wideRect.right, wideRect.bottom); |
| mMessageCapturingHandler.sendAllMessages(); |
| MagnificationSpec expectedEndSpec = getMagnificationSpec(2.0f, 0, startSpec.offsetY); |
| assertThat(getCurrentMagnificationSpec(), closeTo(expectedEndSpec)); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(expectedEndSpec))); |
| Mockito.reset(mMockWindowManager); |
| |
| // Repeat with RTL |
| Locale.setDefault(new Locale("he", "il")); |
| callbacks.onRectangleOnScreenRequested( |
| wideRect.left, wideRect.top, wideRect.right, wideRect.bottom); |
| mMessageCapturingHandler.sendAllMessages(); |
| expectedEndSpec = getMagnificationSpec(2.0f, -100, startSpec.offsetY); |
| assertThat(getCurrentMagnificationSpec(), closeTo(expectedEndSpec)); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(expectedEndSpec))); |
| } |
| |
| @Test |
| public void testRequestRectOnScreen_rectTooTall_pansMinimumToGetTopOnScreen() { |
| mMagnificationController.register(); |
| zoomIn2xToMiddle(); |
| MagnificationCallbacks callbacks = getMagnificationCallbacks(); |
| MagnificationSpec startSpec = getCurrentMagnificationSpec(); |
| Mockito.reset(mMockWindowManager); |
| Rect tallRect = new Rect(50, 0, 51, 100); |
| callbacks.onRectangleOnScreenRequested( |
| tallRect.left, tallRect.top, tallRect.right, tallRect.bottom); |
| mMessageCapturingHandler.sendAllMessages(); |
| MagnificationSpec expectedEndSpec = getMagnificationSpec(2.0f, startSpec.offsetX, 0); |
| assertThat(getCurrentMagnificationSpec(), closeTo(expectedEndSpec)); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(expectedEndSpec))); |
| } |
| |
| @Test |
| public void testChangeMagnification_duringAnimation_animatesToNewValue() { |
| mMagnificationController.register(); |
| MagnificationSpec startSpec = getCurrentMagnificationSpec(); |
| float scale = 2.5f; |
| PointF firstCenter = INITIAL_BOUNDS_LOWER_RIGHT_2X_CENTER; |
| MagnificationSpec firstEndSpec = getMagnificationSpec( |
| scale, computeOffsets(INITIAL_MAGNIFICATION_BOUNDS, firstCenter, scale)); |
| |
| assertTrue(mMagnificationController.setScaleAndCenter(scale, firstCenter.x, firstCenter.y, |
| true, SERVICE_ID_1)); |
| |
| assertEquals(firstCenter.x, mMagnificationController.getCenterX(), 0.5); |
| assertEquals(firstCenter.y, mMagnificationController.getCenterY(), 0.5); |
| assertThat(getCurrentMagnificationSpec(), closeTo(firstEndSpec)); |
| verify(mMockValueAnimator, times(1)).start(); |
| |
| // Initial value |
| when(mMockValueAnimator.getAnimatedFraction()).thenReturn(0.0f); |
| mTargetAnimationListener.onAnimationUpdate(mMockValueAnimator); |
| verify(mMockWindowManager).setMagnificationSpec(startSpec); |
| verify(mMockAms).notifyMagnificationChanged( |
| INITIAL_MAGNIFICATION_REGION, scale, firstCenter.x, firstCenter.y); |
| Mockito.reset(mMockWindowManager); |
| |
| // Intermediate point |
| float fraction = 0.33f; |
| when(mMockValueAnimator.getAnimatedFraction()).thenReturn(fraction); |
| mTargetAnimationListener.onAnimationUpdate(mMockValueAnimator); |
| MagnificationSpec intermediateSpec1 = |
| getInterpolatedMagSpec(startSpec, firstEndSpec, fraction); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(intermediateSpec1))); |
| Mockito.reset(mMockWindowManager); |
| |
| PointF newCenter = INITIAL_BOUNDS_UPPER_LEFT_2X_CENTER; |
| MagnificationSpec newEndSpec = getMagnificationSpec( |
| scale, computeOffsets(INITIAL_MAGNIFICATION_BOUNDS, newCenter, scale)); |
| assertTrue(mMagnificationController.setCenter( |
| newCenter.x, newCenter.y, true, SERVICE_ID_1)); |
| |
| // Animation should have been restarted |
| verify(mMockValueAnimator, times(2)).start(); |
| verify(mMockAms).notifyMagnificationChanged( |
| INITIAL_MAGNIFICATION_REGION, scale, newCenter.x, newCenter.y); |
| |
| // New starting point should be where we left off |
| when(mMockValueAnimator.getAnimatedFraction()).thenReturn(0.0f); |
| mTargetAnimationListener.onAnimationUpdate(mMockValueAnimator); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(intermediateSpec1))); |
| Mockito.reset(mMockWindowManager); |
| |
| // Second intermediate point |
| fraction = 0.5f; |
| when(mMockValueAnimator.getAnimatedFraction()).thenReturn(fraction); |
| mTargetAnimationListener.onAnimationUpdate(mMockValueAnimator); |
| verify(mMockWindowManager).setMagnificationSpec( |
| argThat(closeTo(getInterpolatedMagSpec(intermediateSpec1, newEndSpec, fraction)))); |
| Mockito.reset(mMockWindowManager); |
| |
| // Final value should be the new center |
| Mockito.reset(mMockWindowManager); |
| when(mMockValueAnimator.getAnimatedFraction()).thenReturn(1.0f); |
| mTargetAnimationListener.onAnimationUpdate(mMockValueAnimator); |
| verify(mMockWindowManager).setMagnificationSpec(argThat(closeTo(newEndSpec))); |
| } |
| |
| private void zoomIn2xToMiddle() { |
| PointF startCenter = INITIAL_MAGNIFICATION_BOUNDS_CENTER; |
| float scale = 2.0f; |
| mMagnificationController.setScale(scale, startCenter.x, startCenter.y, false, SERVICE_ID_1); |
| assertTrue(mMagnificationController.isMagnifying()); |
| } |
| |
| private MagnificationCallbacks getMagnificationCallbacks() { |
| ArgumentCaptor<MagnificationCallbacks> magnificationCallbacksCaptor = |
| ArgumentCaptor.forClass(MagnificationCallbacks.class); |
| verify(mMockWindowManager) |
| .setMagnificationCallbacks(magnificationCallbacksCaptor.capture()); |
| return magnificationCallbacksCaptor.getValue(); |
| } |
| |
| private PointF computeOffsets(Rect magnifiedBounds, PointF center, float scale) { |
| return new PointF( |
| magnifiedBounds.centerX() - scale * center.x, |
| magnifiedBounds.centerY() - scale * center.y); |
| } |
| |
| private MagnificationSpec getInterpolatedMagSpec(MagnificationSpec start, MagnificationSpec end, |
| float fraction) { |
| MagnificationSpec interpolatedSpec = MagnificationSpec.obtain(); |
| interpolatedSpec.scale = start.scale + fraction * (end.scale - start.scale); |
| interpolatedSpec.offsetX = start.offsetX + fraction * (end.offsetX - start.offsetX); |
| interpolatedSpec.offsetY = start.offsetY + fraction * (end.offsetY - start.offsetY); |
| return interpolatedSpec; |
| } |
| |
| private MagnificationSpec getMagnificationSpec(float scale, PointF offsets) { |
| return getMagnificationSpec(scale, offsets.x, offsets.y); |
| } |
| |
| private MagnificationSpec getMagnificationSpec(float scale, float offsetX, float offsetY) { |
| MagnificationSpec spec = MagnificationSpec.obtain(); |
| spec.scale = scale; |
| spec.offsetX = offsetX; |
| spec.offsetY = offsetY; |
| return spec; |
| } |
| |
| private MagnificationSpec getCurrentMagnificationSpec() { |
| return getMagnificationSpec(mMagnificationController.getScale(), |
| mMagnificationController.getOffsetX(), mMagnificationController.getOffsetY()); |
| } |
| |
| private MagSpecMatcher closeTo(MagnificationSpec spec) { |
| return new MagSpecMatcher(spec, 0.01f, 0.5f); |
| } |
| |
| private class MagSpecMatcher extends TypeSafeMatcher<MagnificationSpec> { |
| final MagnificationSpec mMagSpec; |
| final float mScaleTolerance; |
| final float mOffsetTolerance; |
| |
| MagSpecMatcher(MagnificationSpec spec, float scaleTolerance, float offsetTolerance) { |
| mMagSpec = spec; |
| mScaleTolerance = scaleTolerance; |
| mOffsetTolerance = offsetTolerance; |
| } |
| |
| @Override |
| protected boolean matchesSafely(MagnificationSpec magnificationSpec) { |
| if (Math.abs(mMagSpec.scale - magnificationSpec.scale) > mScaleTolerance) { |
| return false; |
| } |
| if (Math.abs(mMagSpec.offsetX - magnificationSpec.offsetX) > mOffsetTolerance) { |
| return false; |
| } |
| if (Math.abs(mMagSpec.offsetY - magnificationSpec.offsetY) > mOffsetTolerance) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendText("Match spec: " + mMagSpec); |
| } |
| } |
| } |