| /* |
| * Copyright (C) 2017 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.systemui; |
| |
| import static android.view.Display.DEFAULT_DISPLAY; |
| import static android.view.DisplayCutout.BOUNDS_POSITION_BOTTOM; |
| import static android.view.DisplayCutout.BOUNDS_POSITION_LEFT; |
| import static android.view.DisplayCutout.BOUNDS_POSITION_LENGTH; |
| import static android.view.DisplayCutout.BOUNDS_POSITION_RIGHT; |
| import static android.view.DisplayCutout.BOUNDS_POSITION_TOP; |
| import static android.view.Surface.ROTATION_0; |
| import static android.view.Surface.ROTATION_180; |
| import static android.view.Surface.ROTATION_270; |
| import static android.view.Surface.ROTATION_90; |
| import static android.view.ViewGroup.LayoutParams.MATCH_PARENT; |
| import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT; |
| import static android.view.WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.ValueAnimator; |
| import android.annotation.Dimension; |
| import android.annotation.NonNull; |
| import android.app.ActivityManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.res.ColorStateList; |
| import android.content.res.Configuration; |
| import android.content.res.Resources; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Matrix; |
| import android.graphics.Paint; |
| import android.graphics.Path; |
| import android.graphics.PixelFormat; |
| import android.graphics.Rect; |
| import android.graphics.RectF; |
| import android.graphics.Region; |
| import android.hardware.display.DisplayManager; |
| import android.os.Handler; |
| import android.os.HandlerThread; |
| import android.os.SystemProperties; |
| import android.provider.Settings.Secure; |
| import android.util.DisplayMetrics; |
| import android.util.Log; |
| import android.view.DisplayCutout; |
| import android.view.DisplayCutout.BoundsPosition; |
| import android.view.DisplayInfo; |
| import android.view.Gravity; |
| import android.view.LayoutInflater; |
| import android.view.Surface; |
| import android.view.View; |
| import android.view.View.OnLayoutChangeListener; |
| import android.view.ViewGroup; |
| import android.view.ViewGroup.LayoutParams; |
| import android.view.ViewTreeObserver; |
| import android.view.WindowManager; |
| import android.widget.FrameLayout; |
| import android.widget.ImageView; |
| |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.internal.util.Preconditions; |
| import com.android.systemui.RegionInterceptingFrameLayout.RegionInterceptableView; |
| import com.android.systemui.broadcast.BroadcastDispatcher; |
| import com.android.systemui.dagger.qualifiers.Main; |
| import com.android.systemui.qs.SecureSetting; |
| import com.android.systemui.tuner.TunerService; |
| import com.android.systemui.tuner.TunerService.Tunable; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| /** |
| * An overlay that draws screen decorations in software (e.g for rounded corners or display cutout) |
| * for antialiasing and emulation purposes. |
| */ |
| @Singleton |
| public class ScreenDecorations extends SystemUI implements Tunable { |
| private static final boolean DEBUG = false; |
| private static final String TAG = "ScreenDecorations"; |
| |
| public static final String SIZE = "sysui_rounded_size"; |
| public static final String PADDING = "sysui_rounded_content_padding"; |
| private static final boolean DEBUG_SCREENSHOT_ROUNDED_CORNERS = |
| SystemProperties.getBoolean("debug.screenshot_rounded_corners", false); |
| private static final boolean VERBOSE = false; |
| private static final boolean DEBUG_COLOR = DEBUG_SCREENSHOT_ROUNDED_CORNERS; |
| |
| private DisplayManager mDisplayManager; |
| @VisibleForTesting |
| protected boolean mIsRegistered; |
| private final BroadcastDispatcher mBroadcastDispatcher; |
| private final Handler mMainHandler; |
| private final TunerService mTunerService; |
| private DisplayManager.DisplayListener mDisplayListener; |
| private CameraAvailabilityListener mCameraListener; |
| |
| @VisibleForTesting |
| protected int mRoundedDefault; |
| @VisibleForTesting |
| protected int mRoundedDefaultTop; |
| @VisibleForTesting |
| protected int mRoundedDefaultBottom; |
| @VisibleForTesting |
| protected View[] mOverlays; |
| private DisplayCutoutView[] mCutoutViews; |
| private float mDensity; |
| private WindowManager mWindowManager; |
| private int mRotation; |
| private SecureSetting mColorInversionSetting; |
| private boolean mPendingRotationChange; |
| private Handler mHandler; |
| |
| private CameraAvailabilityListener.CameraTransitionCallback mCameraTransitionCallback = |
| new CameraAvailabilityListener.CameraTransitionCallback() { |
| @Override |
| public void onApplyCameraProtection(@NonNull Path protectionPath, @NonNull Rect bounds) { |
| // Show the extra protection around the front facing camera if necessary |
| for (DisplayCutoutView dcv : mCutoutViews) { |
| dcv.setProtection(protectionPath, bounds); |
| dcv.setShowProtection(true); |
| } |
| } |
| |
| @Override |
| public void onHideCameraProtection() { |
| // Go back to the regular anti-aliasing |
| for (DisplayCutoutView dcv : mCutoutViews) { |
| dcv.setShowProtection(false); |
| } |
| } |
| }; |
| |
| /** |
| * Converts a set of {@link Rect}s into a {@link Region} |
| * |
| * @hide |
| */ |
| public static Region rectsToRegion(List<Rect> rects) { |
| Region result = Region.obtain(); |
| if (rects != null) { |
| for (Rect r : rects) { |
| if (r != null && !r.isEmpty()) { |
| result.op(r, Region.Op.UNION); |
| } |
| } |
| } |
| return result; |
| } |
| |
| @Inject |
| public ScreenDecorations(Context context, |
| @Main Handler handler, |
| BroadcastDispatcher broadcastDispatcher, |
| TunerService tunerService) { |
| super(context); |
| mMainHandler = handler; |
| mBroadcastDispatcher = broadcastDispatcher; |
| mTunerService = tunerService; |
| } |
| |
| @Override |
| public void start() { |
| mHandler = startHandlerThread(); |
| mHandler.post(this::startOnScreenDecorationsThread); |
| } |
| |
| @VisibleForTesting |
| Handler startHandlerThread() { |
| HandlerThread thread = new HandlerThread("ScreenDecorations"); |
| thread.start(); |
| return thread.getThreadHandler(); |
| } |
| |
| private void startOnScreenDecorationsThread() { |
| mRotation = mContext.getDisplay().getRotation(); |
| mWindowManager = mContext.getSystemService(WindowManager.class); |
| mDisplayManager = mContext.getSystemService(DisplayManager.class); |
| updateRoundedCornerRadii(); |
| setupDecorations(); |
| setupCameraListener(); |
| |
| mDisplayListener = new DisplayManager.DisplayListener() { |
| @Override |
| public void onDisplayAdded(int displayId) { |
| // do nothing |
| } |
| |
| @Override |
| public void onDisplayRemoved(int displayId) { |
| // do nothing |
| } |
| |
| @Override |
| public void onDisplayChanged(int displayId) { |
| final int newRotation = mContext.getDisplay().getRotation(); |
| if (mOverlays != null && mRotation != newRotation) { |
| // We cannot immediately update the orientation. Otherwise |
| // WindowManager is still deferring layout until it has finished dispatching |
| // the config changes, which may cause divergence between what we draw |
| // (new orientation), and where we are placed on the screen (old orientation). |
| // Instead we wait until either: |
| // - we are trying to redraw. This because WM resized our window and told us to. |
| // - the config change has been dispatched, so WM is no longer deferring layout. |
| mPendingRotationChange = true; |
| if (DEBUG) { |
| Log.i(TAG, "Rotation changed, deferring " + newRotation + ", staying at " |
| + mRotation); |
| } |
| |
| for (int i = 0; i < BOUNDS_POSITION_LENGTH; i++) { |
| if (mOverlays[i] != null) { |
| mOverlays[i].getViewTreeObserver().addOnPreDrawListener( |
| new RestartingPreDrawListener(mOverlays[i], i, newRotation)); |
| } |
| } |
| } |
| updateOrientation(); |
| } |
| }; |
| |
| mDisplayManager.registerDisplayListener(mDisplayListener, mHandler); |
| updateOrientation(); |
| } |
| |
| private void setupDecorations() { |
| if (hasRoundedCorners() || shouldDrawCutout()) { |
| final DisplayCutout cutout = getCutout(); |
| final Rect[] bounds = cutout == null ? null : cutout.getBoundingRectsAll(); |
| int rotatedPos; |
| for (int i = 0; i < BOUNDS_POSITION_LENGTH; i++) { |
| rotatedPos = getBoundPositionFromRotation(i, mRotation); |
| if ((bounds != null && !bounds[rotatedPos].isEmpty()) |
| || shouldShowRoundedCorner(i)) { |
| createOverlay(i); |
| } else { |
| removeOverlay(i); |
| } |
| } |
| } else { |
| removeAllOverlays(); |
| } |
| |
| if (hasOverlays()) { |
| if (mIsRegistered) { |
| return; |
| } |
| DisplayMetrics metrics = new DisplayMetrics(); |
| mDisplayManager.getDisplay(DEFAULT_DISPLAY).getMetrics(metrics); |
| mDensity = metrics.density; |
| |
| mMainHandler.post(() -> mTunerService.addTunable(this, SIZE)); |
| |
| // Watch color inversion and invert the overlay as needed. |
| if (mColorInversionSetting == null) { |
| mColorInversionSetting = new SecureSetting(mContext, mHandler, |
| Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED) { |
| @Override |
| protected void handleValueChanged(int value, boolean observedChange) { |
| updateColorInversion(value); |
| } |
| }; |
| } |
| mColorInversionSetting.setListening(true); |
| mColorInversionSetting.onChange(false); |
| |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_USER_SWITCHED); |
| mBroadcastDispatcher.registerReceiverWithHandler(mIntentReceiver, filter, mHandler); |
| mIsRegistered = true; |
| } else { |
| mMainHandler.post(() -> mTunerService.removeTunable(this)); |
| |
| if (mColorInversionSetting != null) { |
| mColorInversionSetting.setListening(false); |
| } |
| |
| mBroadcastDispatcher.unregisterReceiver(mIntentReceiver); |
| mIsRegistered = false; |
| } |
| } |
| |
| @VisibleForTesting |
| DisplayCutout getCutout() { |
| return mContext.getDisplay().getCutout(); |
| } |
| |
| @VisibleForTesting |
| boolean hasOverlays() { |
| if (mOverlays == null) { |
| return false; |
| } |
| |
| for (int i = 0; i < BOUNDS_POSITION_LENGTH; i++) { |
| if (mOverlays[i] != null) { |
| return true; |
| } |
| } |
| mOverlays = null; |
| return false; |
| } |
| |
| private void removeAllOverlays() { |
| if (mOverlays == null) { |
| return; |
| } |
| |
| for (int i = 0; i < BOUNDS_POSITION_LENGTH; i++) { |
| if (mOverlays[i] != null) { |
| removeOverlay(i); |
| } |
| } |
| mOverlays = null; |
| } |
| |
| private void removeOverlay(@BoundsPosition int pos) { |
| if (mOverlays == null || mOverlays[pos] == null) { |
| return; |
| } |
| mWindowManager.removeViewImmediate(mOverlays[pos]); |
| mOverlays[pos] = null; |
| } |
| |
| private void createOverlay(@BoundsPosition int pos) { |
| if (mOverlays == null) { |
| mOverlays = new View[BOUNDS_POSITION_LENGTH]; |
| } |
| |
| if (mCutoutViews == null) { |
| mCutoutViews = new DisplayCutoutView[BOUNDS_POSITION_LENGTH]; |
| } |
| |
| if (mOverlays[pos] != null) { |
| return; |
| } |
| mOverlays[pos] = LayoutInflater.from(mContext) |
| .inflate(R.layout.rounded_corners, null); |
| |
| mCutoutViews[pos] = new DisplayCutoutView(mContext, pos, this); |
| ((ViewGroup) mOverlays[pos]).addView(mCutoutViews[pos]); |
| |
| mOverlays[pos].setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE); |
| mOverlays[pos].setAlpha(0); |
| mOverlays[pos].setForceDarkAllowed(false); |
| |
| updateView(pos); |
| |
| mWindowManager.addView(mOverlays[pos], getWindowLayoutParams(pos)); |
| |
| mOverlays[pos].addOnLayoutChangeListener(new OnLayoutChangeListener() { |
| @Override |
| public void onLayoutChange(View v, int left, int top, int right, int bottom, |
| int oldLeft, int oldTop, int oldRight, int oldBottom) { |
| mOverlays[pos].removeOnLayoutChangeListener(this); |
| mOverlays[pos].animate() |
| .alpha(1) |
| .setDuration(1000) |
| .start(); |
| } |
| }); |
| |
| mOverlays[pos].getViewTreeObserver().addOnPreDrawListener( |
| new ValidatingPreDrawListener(mOverlays[pos])); |
| } |
| |
| private void updateView(@BoundsPosition int pos) { |
| if (mOverlays == null || mOverlays[pos] == null) { |
| return; |
| } |
| |
| // update rounded corner view rotation |
| updateRoundedCornerView(pos, R.id.left); |
| updateRoundedCornerView(pos, R.id.right); |
| |
| // update cutout view rotation |
| if (mCutoutViews != null && mCutoutViews[pos] != null) { |
| mCutoutViews[pos].setRotation(mRotation); |
| } |
| } |
| |
| @VisibleForTesting |
| WindowManager.LayoutParams getWindowLayoutParams(@BoundsPosition int pos) { |
| final WindowManager.LayoutParams lp = new WindowManager.LayoutParams( |
| getWidthLayoutParamByPos(pos), |
| getHeightLayoutParamByPos(pos), |
| WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL, |
| WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE |
| | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL |
| | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH |
| | WindowManager.LayoutParams.FLAG_SLIPPERY |
| | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN, |
| PixelFormat.TRANSLUCENT); |
| lp.privateFlags |= WindowManager.LayoutParams.SYSTEM_FLAG_SHOW_FOR_ALL_USERS |
| | WindowManager.LayoutParams.PRIVATE_FLAG_NO_MOVE_ANIMATION; |
| |
| if (!DEBUG_SCREENSHOT_ROUNDED_CORNERS) { |
| lp.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_IS_ROUNDED_CORNERS_OVERLAY; |
| } |
| |
| lp.setTitle(getWindowTitleByPos(pos)); |
| lp.gravity = getOverlayWindowGravity(pos); |
| lp.layoutInDisplayCutoutMode = LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS; |
| lp.setFitInsetsTypes(0 /* types */); |
| lp.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COLOR_SPACE_AGNOSTIC; |
| return lp; |
| } |
| |
| private int getWidthLayoutParamByPos(@BoundsPosition int pos) { |
| final int rotatedPos = getBoundPositionFromRotation(pos, mRotation); |
| return rotatedPos == BOUNDS_POSITION_TOP || rotatedPos == BOUNDS_POSITION_BOTTOM |
| ? MATCH_PARENT : WRAP_CONTENT; |
| } |
| |
| private int getHeightLayoutParamByPos(@BoundsPosition int pos) { |
| final int rotatedPos = getBoundPositionFromRotation(pos, mRotation); |
| return rotatedPos == BOUNDS_POSITION_TOP || rotatedPos == BOUNDS_POSITION_BOTTOM |
| ? WRAP_CONTENT : MATCH_PARENT; |
| } |
| |
| private static String getWindowTitleByPos(@BoundsPosition int pos) { |
| switch (pos) { |
| case BOUNDS_POSITION_LEFT: |
| return "ScreenDecorOverlayLeft"; |
| case BOUNDS_POSITION_TOP: |
| return "ScreenDecorOverlay"; |
| case BOUNDS_POSITION_RIGHT: |
| return "ScreenDecorOverlayRight"; |
| case BOUNDS_POSITION_BOTTOM: |
| return "ScreenDecorOverlayBottom"; |
| default: |
| throw new IllegalArgumentException("unknown bound position: " + pos); |
| } |
| } |
| |
| private int getOverlayWindowGravity(@BoundsPosition int pos) { |
| final int rotated = getBoundPositionFromRotation(pos, mRotation); |
| switch (rotated) { |
| case BOUNDS_POSITION_TOP: |
| return Gravity.TOP; |
| case BOUNDS_POSITION_BOTTOM: |
| return Gravity.BOTTOM; |
| case BOUNDS_POSITION_LEFT: |
| return Gravity.LEFT; |
| case BOUNDS_POSITION_RIGHT: |
| return Gravity.RIGHT; |
| default: |
| throw new IllegalArgumentException("unknown bound position: " + pos); |
| } |
| } |
| |
| private static int getBoundPositionFromRotation(@BoundsPosition int pos, int rotation) { |
| return (pos - rotation) < 0 |
| ? pos - rotation + DisplayCutout.BOUNDS_POSITION_LENGTH |
| : pos - rotation; |
| } |
| |
| private void setupCameraListener() { |
| Resources res = mContext.getResources(); |
| boolean enabled = res.getBoolean(R.bool.config_enableDisplayCutoutProtection); |
| if (enabled) { |
| mCameraListener = CameraAvailabilityListener.Factory.build(mContext, mHandler::post); |
| mCameraListener.addTransitionCallback(mCameraTransitionCallback); |
| mCameraListener.startListening(); |
| } |
| } |
| |
| private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (action.equals(Intent.ACTION_USER_SWITCHED)) { |
| int newUserId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, |
| ActivityManager.getCurrentUser()); |
| // update color inversion setting to the new user |
| mColorInversionSetting.setUserId(newUserId); |
| updateColorInversion(mColorInversionSetting.getValue()); |
| } |
| } |
| }; |
| |
| private void updateColorInversion(int colorsInvertedValue) { |
| int tint = colorsInvertedValue != 0 ? Color.WHITE : Color.BLACK; |
| if (DEBUG_COLOR) { |
| tint = Color.RED; |
| } |
| ColorStateList tintList = ColorStateList.valueOf(tint); |
| |
| if (mOverlays == null) { |
| return; |
| } |
| for (int i = 0; i < BOUNDS_POSITION_LENGTH; i++) { |
| if (mOverlays[i] == null) { |
| continue; |
| } |
| final int size = ((ViewGroup) mOverlays[i]).getChildCount(); |
| View child; |
| for (int j = 0; j < size; j++) { |
| child = ((ViewGroup) mOverlays[i]).getChildAt(j); |
| if (child instanceof ImageView) { |
| ((ImageView) child).setImageTintList(tintList); |
| } else if (child instanceof DisplayCutoutView) { |
| ((DisplayCutoutView) child).setColor(tint); |
| } |
| } |
| } |
| } |
| |
| @Override |
| protected void onConfigurationChanged(Configuration newConfig) { |
| mHandler.post(() -> { |
| int oldRotation = mRotation; |
| mPendingRotationChange = false; |
| updateOrientation(); |
| updateRoundedCornerRadii(); |
| if (DEBUG) Log.i(TAG, "onConfigChanged from rot " + oldRotation + " to " + mRotation); |
| setupDecorations(); |
| if (mOverlays != null) { |
| // Updating the layout params ensures that ViewRootImpl will call relayoutWindow(), |
| // which ensures that the forced seamless rotation will end, even if we updated |
| // the rotation before window manager was ready (and was still waiting for sending |
| // the updated rotation). |
| updateLayoutParams(); |
| } |
| }); |
| } |
| |
| private void updateOrientation() { |
| Preconditions.checkState(mHandler.getLooper().getThread() == Thread.currentThread(), |
| "must call on " + mHandler.getLooper().getThread() |
| + ", but was " + Thread.currentThread()); |
| if (mPendingRotationChange) { |
| return; |
| } |
| int newRotation = mContext.getDisplay().getRotation(); |
| if (newRotation != mRotation) { |
| mRotation = newRotation; |
| |
| if (mOverlays != null) { |
| updateLayoutParams(); |
| for (int i = 0; i < BOUNDS_POSITION_LENGTH; i++) { |
| if (mOverlays[i] == null) { |
| continue; |
| } |
| updateView(i); |
| } |
| } |
| } |
| } |
| |
| private void updateRoundedCornerRadii() { |
| final int newRoundedDefault = mContext.getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.rounded_corner_radius); |
| final int newRoundedDefaultTop = mContext.getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.rounded_corner_radius_top); |
| final int newRoundedDefaultBottom = mContext.getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.rounded_corner_radius_bottom); |
| |
| final boolean roundedCornersChanged = mRoundedDefault != newRoundedDefault |
| || mRoundedDefaultBottom != newRoundedDefaultBottom |
| || mRoundedDefaultTop != newRoundedDefaultTop; |
| |
| if (roundedCornersChanged) { |
| mRoundedDefault = newRoundedDefault; |
| mRoundedDefaultTop = newRoundedDefaultTop; |
| mRoundedDefaultBottom = newRoundedDefaultBottom; |
| onTuningChanged(SIZE, null); |
| } |
| } |
| |
| private void updateRoundedCornerView(@BoundsPosition int pos, int id) { |
| final View rounded = mOverlays[pos].findViewById(id); |
| if (rounded == null) { |
| return; |
| } |
| rounded.setVisibility(View.GONE); |
| if (shouldShowRoundedCorner(pos)) { |
| final int gravity = getRoundedCornerGravity(pos, id == R.id.left); |
| ((FrameLayout.LayoutParams) rounded.getLayoutParams()).gravity = gravity; |
| rounded.setRotation(getRoundedCornerRotation(gravity)); |
| rounded.setVisibility(View.VISIBLE); |
| } |
| } |
| |
| private int getRoundedCornerGravity(@BoundsPosition int pos, boolean isStart) { |
| final int rotatedPos = getBoundPositionFromRotation(pos, mRotation); |
| switch (rotatedPos) { |
| case BOUNDS_POSITION_LEFT: |
| return isStart ? Gravity.TOP | Gravity.LEFT : Gravity.BOTTOM | Gravity.LEFT; |
| case BOUNDS_POSITION_TOP: |
| return isStart ? Gravity.TOP | Gravity.LEFT : Gravity.TOP | Gravity.RIGHT; |
| case BOUNDS_POSITION_RIGHT: |
| return isStart ? Gravity.TOP | Gravity.RIGHT : Gravity.BOTTOM | Gravity.RIGHT; |
| case BOUNDS_POSITION_BOTTOM: |
| return isStart ? Gravity.BOTTOM | Gravity.LEFT : Gravity.BOTTOM | Gravity.RIGHT; |
| default: |
| throw new IllegalArgumentException("Incorrect position: " + rotatedPos); |
| } |
| } |
| |
| private int getRoundedCornerRotation(int gravity) { |
| switch (gravity) { |
| case Gravity.TOP | Gravity.LEFT: |
| return 0; |
| case Gravity.TOP | Gravity.RIGHT: |
| return 90; |
| case Gravity.BOTTOM | Gravity.LEFT: |
| return 270; |
| case Gravity.BOTTOM | Gravity.RIGHT: |
| return 180; |
| default: |
| throw new IllegalArgumentException("Unsupported gravity: " + gravity); |
| } |
| } |
| |
| private boolean hasRoundedCorners() { |
| return mRoundedDefault > 0 || mRoundedDefaultBottom > 0 || mRoundedDefaultTop > 0; |
| } |
| |
| private boolean shouldShowRoundedCorner(@BoundsPosition int pos) { |
| if (!hasRoundedCorners()) { |
| return false; |
| } |
| |
| DisplayCutout cutout = getCutout(); |
| // for cutout is null or cutout with only waterfall. |
| final boolean emptyBoundsOrWaterfall = cutout == null || cutout.isBoundsEmpty(); |
| // Shows rounded corner on left and right overlays only when there is no top or bottom |
| // cutout. |
| final int rotatedTop = getBoundPositionFromRotation(BOUNDS_POSITION_TOP, mRotation); |
| final int rotatedBottom = getBoundPositionFromRotation(BOUNDS_POSITION_BOTTOM, mRotation); |
| if (emptyBoundsOrWaterfall || !cutout.getBoundingRectsAll()[rotatedTop].isEmpty() |
| || !cutout.getBoundingRectsAll()[rotatedBottom].isEmpty()) { |
| return pos == BOUNDS_POSITION_TOP || pos == BOUNDS_POSITION_BOTTOM; |
| } else { |
| return pos == BOUNDS_POSITION_LEFT || pos == BOUNDS_POSITION_RIGHT; |
| } |
| } |
| |
| private boolean shouldDrawCutout() { |
| return shouldDrawCutout(mContext); |
| } |
| |
| static boolean shouldDrawCutout(Context context) { |
| return context.getResources().getBoolean( |
| com.android.internal.R.bool.config_fillMainBuiltInDisplayCutout); |
| } |
| |
| private void updateLayoutParams() { |
| if (mOverlays == null) { |
| return; |
| } |
| for (int i = 0; i < BOUNDS_POSITION_LENGTH; i++) { |
| if (mOverlays[i] == null) { |
| continue; |
| } |
| mWindowManager.updateViewLayout(mOverlays[i], getWindowLayoutParams(i)); |
| } |
| } |
| |
| @Override |
| public void onTuningChanged(String key, String newValue) { |
| mHandler.post(() -> { |
| if (mOverlays == null) return; |
| if (SIZE.equals(key)) { |
| int size = mRoundedDefault; |
| int sizeTop = mRoundedDefaultTop; |
| int sizeBottom = mRoundedDefaultBottom; |
| if (newValue != null) { |
| try { |
| size = (int) (Integer.parseInt(newValue) * mDensity); |
| } catch (Exception e) { |
| } |
| } |
| |
| if (sizeTop == 0) { |
| sizeTop = size; |
| } |
| if (sizeBottom == 0) { |
| sizeBottom = size; |
| } |
| |
| for (int i = 0; i < BOUNDS_POSITION_LENGTH; i++) { |
| if (mOverlays[i] == null) { |
| continue; |
| } |
| setSize(mOverlays[i].findViewById(R.id.left), sizeTop); |
| setSize(mOverlays[i].findViewById(R.id.right), sizeBottom); |
| } |
| } |
| }); |
| } |
| |
| private void setSize(View view, int pixelSize) { |
| LayoutParams params = view.getLayoutParams(); |
| params.width = pixelSize; |
| params.height = pixelSize; |
| view.setLayoutParams(params); |
| } |
| |
| public static class DisplayCutoutView extends View implements DisplayManager.DisplayListener, |
| RegionInterceptableView { |
| |
| private static final float HIDDEN_CAMERA_PROTECTION_SCALE = 0.5f; |
| |
| private final DisplayInfo mInfo = new DisplayInfo(); |
| private final Paint mPaint = new Paint(); |
| private final List<Rect> mBounds = new ArrayList(); |
| private final Rect mBoundingRect = new Rect(); |
| private final Path mBoundingPath = new Path(); |
| // Don't initialize these yet because they may never exist |
| private RectF mProtectionRect; |
| private RectF mProtectionRectOrig; |
| private Path mProtectionPath; |
| private Path mProtectionPathOrig; |
| private Rect mTotalBounds = new Rect(); |
| // Whether or not to show the cutout protection path |
| private boolean mShowProtection = false; |
| |
| private final int[] mLocation = new int[2]; |
| private final ScreenDecorations mDecorations; |
| private int mColor = Color.BLACK; |
| private int mRotation; |
| private int mInitialPosition; |
| private int mPosition; |
| private float mCameraProtectionProgress = HIDDEN_CAMERA_PROTECTION_SCALE; |
| private ValueAnimator mCameraProtectionAnimator; |
| |
| public DisplayCutoutView(Context context, @BoundsPosition int pos, |
| ScreenDecorations decorations) { |
| super(context); |
| mInitialPosition = pos; |
| mDecorations = decorations; |
| setId(R.id.display_cutout); |
| if (DEBUG) { |
| getViewTreeObserver().addOnDrawListener(() -> Log.i(TAG, |
| getWindowTitleByPos(pos) + " drawn in rot " + mRotation)); |
| } |
| } |
| |
| public void setColor(int color) { |
| mColor = color; |
| invalidate(); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| mContext.getSystemService(DisplayManager.class).registerDisplayListener(this, |
| getHandler()); |
| update(); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| mContext.getSystemService(DisplayManager.class).unregisterDisplayListener(this); |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| super.onDraw(canvas); |
| getLocationOnScreen(mLocation); |
| canvas.translate(-mLocation[0], -mLocation[1]); |
| |
| if (!mBoundingPath.isEmpty()) { |
| mPaint.setColor(mColor); |
| mPaint.setStyle(Paint.Style.FILL); |
| mPaint.setAntiAlias(true); |
| canvas.drawPath(mBoundingPath, mPaint); |
| } |
| if (mCameraProtectionProgress > HIDDEN_CAMERA_PROTECTION_SCALE |
| && !mProtectionRect.isEmpty()) { |
| canvas.scale(mCameraProtectionProgress, mCameraProtectionProgress, |
| mProtectionRect.centerX(), mProtectionRect.centerY()); |
| canvas.drawPath(mProtectionPath, mPaint); |
| } |
| } |
| |
| @Override |
| public void onDisplayAdded(int displayId) { |
| } |
| |
| @Override |
| public void onDisplayRemoved(int displayId) { |
| } |
| |
| @Override |
| public void onDisplayChanged(int displayId) { |
| if (displayId == getDisplay().getDisplayId()) { |
| update(); |
| } |
| } |
| |
| public void setRotation(int rotation) { |
| mRotation = rotation; |
| update(); |
| } |
| |
| void setProtection(Path protectionPath, Rect pathBounds) { |
| if (mProtectionPathOrig == null) { |
| mProtectionPathOrig = new Path(); |
| mProtectionPath = new Path(); |
| } |
| mProtectionPathOrig.set(protectionPath); |
| if (mProtectionRectOrig == null) { |
| mProtectionRectOrig = new RectF(); |
| mProtectionRect = new RectF(); |
| } |
| mProtectionRectOrig.set(pathBounds); |
| } |
| |
| void setShowProtection(boolean shouldShow) { |
| if (mShowProtection == shouldShow) { |
| return; |
| } |
| |
| mShowProtection = shouldShow; |
| updateBoundingPath(); |
| // Delay the relayout until the end of the animation when hiding the cutout, |
| // otherwise we'd clip it. |
| if (mShowProtection) { |
| requestLayout(); |
| } |
| if (mCameraProtectionAnimator != null) { |
| mCameraProtectionAnimator.cancel(); |
| } |
| mCameraProtectionAnimator = ValueAnimator.ofFloat(mCameraProtectionProgress, |
| mShowProtection ? 1.0f : HIDDEN_CAMERA_PROTECTION_SCALE).setDuration(750); |
| mCameraProtectionAnimator.setInterpolator(Interpolators.DECELERATE_QUINT); |
| mCameraProtectionAnimator.addUpdateListener(animation -> { |
| mCameraProtectionProgress = (float) animation.getAnimatedValue(); |
| invalidate(); |
| }); |
| mCameraProtectionAnimator.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| mCameraProtectionAnimator = null; |
| if (!mShowProtection) { |
| requestLayout(); |
| } |
| } |
| }); |
| mCameraProtectionAnimator.start(); |
| } |
| |
| private void update() { |
| if (!isAttachedToWindow() || mDecorations.mPendingRotationChange) { |
| return; |
| } |
| mPosition = getBoundPositionFromRotation(mInitialPosition, mRotation); |
| requestLayout(); |
| getDisplay().getDisplayInfo(mInfo); |
| mBounds.clear(); |
| mBoundingRect.setEmpty(); |
| mBoundingPath.reset(); |
| int newVisible; |
| if (shouldDrawCutout(getContext()) && hasCutout()) { |
| mBounds.addAll(mInfo.displayCutout.getBoundingRects()); |
| localBounds(mBoundingRect); |
| updateGravity(); |
| updateBoundingPath(); |
| invalidate(); |
| newVisible = VISIBLE; |
| } else { |
| newVisible = GONE; |
| } |
| if (newVisible != getVisibility()) { |
| setVisibility(newVisible); |
| } |
| } |
| |
| private void updateBoundingPath() { |
| int lw = mInfo.logicalWidth; |
| int lh = mInfo.logicalHeight; |
| |
| boolean flipped = mInfo.rotation == ROTATION_90 || mInfo.rotation == ROTATION_270; |
| |
| int dw = flipped ? lh : lw; |
| int dh = flipped ? lw : lh; |
| |
| mBoundingPath.set(DisplayCutout.pathFromResources(getResources(), dw, dh)); |
| Matrix m = new Matrix(); |
| transformPhysicalToLogicalCoordinates(mInfo.rotation, dw, dh, m); |
| mBoundingPath.transform(m); |
| if (mProtectionPathOrig != null) { |
| // Reset the protection path so we don't aggregate rotations |
| mProtectionPath.set(mProtectionPathOrig); |
| mProtectionPath.transform(m); |
| m.mapRect(mProtectionRect, mProtectionRectOrig); |
| } |
| } |
| |
| private static void transformPhysicalToLogicalCoordinates(@Surface.Rotation int rotation, |
| @Dimension int physicalWidth, @Dimension int physicalHeight, Matrix out) { |
| switch (rotation) { |
| case ROTATION_0: |
| out.reset(); |
| break; |
| case ROTATION_90: |
| out.setRotate(270); |
| out.postTranslate(0, physicalWidth); |
| break; |
| case ROTATION_180: |
| out.setRotate(180); |
| out.postTranslate(physicalWidth, physicalHeight); |
| break; |
| case ROTATION_270: |
| out.setRotate(90); |
| out.postTranslate(physicalHeight, 0); |
| break; |
| default: |
| throw new IllegalArgumentException("Unknown rotation: " + rotation); |
| } |
| } |
| |
| private void updateGravity() { |
| LayoutParams lp = getLayoutParams(); |
| if (lp instanceof FrameLayout.LayoutParams) { |
| FrameLayout.LayoutParams flp = (FrameLayout.LayoutParams) lp; |
| int newGravity = getGravity(mInfo.displayCutout); |
| if (flp.gravity != newGravity) { |
| flp.gravity = newGravity; |
| setLayoutParams(flp); |
| } |
| } |
| } |
| |
| private boolean hasCutout() { |
| final DisplayCutout displayCutout = mInfo.displayCutout; |
| if (displayCutout == null) { |
| return false; |
| } |
| |
| if (mPosition == BOUNDS_POSITION_LEFT) { |
| return !displayCutout.getBoundingRectLeft().isEmpty(); |
| } else if (mPosition == BOUNDS_POSITION_TOP) { |
| return !displayCutout.getBoundingRectTop().isEmpty(); |
| } else if (mPosition == BOUNDS_POSITION_BOTTOM) { |
| return !displayCutout.getBoundingRectBottom().isEmpty(); |
| } else if (mPosition == BOUNDS_POSITION_RIGHT) { |
| return !displayCutout.getBoundingRectRight().isEmpty(); |
| } |
| return false; |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| if (mBounds.isEmpty()) { |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| return; |
| } |
| |
| if (mShowProtection) { |
| // Make sure that our measured height encompases the protection |
| mTotalBounds.union(mBoundingRect); |
| mTotalBounds.union((int) mProtectionRect.left, (int) mProtectionRect.top, |
| (int) mProtectionRect.right, (int) mProtectionRect.bottom); |
| setMeasuredDimension( |
| resolveSizeAndState(mTotalBounds.width(), widthMeasureSpec, 0), |
| resolveSizeAndState(mTotalBounds.height(), heightMeasureSpec, 0)); |
| } else { |
| setMeasuredDimension( |
| resolveSizeAndState(mBoundingRect.width(), widthMeasureSpec, 0), |
| resolveSizeAndState(mBoundingRect.height(), heightMeasureSpec, 0)); |
| } |
| } |
| |
| public static void boundsFromDirection(DisplayCutout displayCutout, int gravity, |
| Rect out) { |
| switch (gravity) { |
| case Gravity.TOP: |
| out.set(displayCutout.getBoundingRectTop()); |
| break; |
| case Gravity.LEFT: |
| out.set(displayCutout.getBoundingRectLeft()); |
| break; |
| case Gravity.BOTTOM: |
| out.set(displayCutout.getBoundingRectBottom()); |
| break; |
| case Gravity.RIGHT: |
| out.set(displayCutout.getBoundingRectRight()); |
| break; |
| default: |
| out.setEmpty(); |
| } |
| } |
| |
| private void localBounds(Rect out) { |
| DisplayCutout displayCutout = mInfo.displayCutout; |
| boundsFromDirection(displayCutout, getGravity(displayCutout), out); |
| } |
| |
| private int getGravity(DisplayCutout displayCutout) { |
| if (mPosition == BOUNDS_POSITION_LEFT) { |
| if (!displayCutout.getBoundingRectLeft().isEmpty()) { |
| return Gravity.LEFT; |
| } |
| } else if (mPosition == BOUNDS_POSITION_TOP) { |
| if (!displayCutout.getBoundingRectTop().isEmpty()) { |
| return Gravity.TOP; |
| } |
| } else if (mPosition == BOUNDS_POSITION_BOTTOM) { |
| if (!displayCutout.getBoundingRectBottom().isEmpty()) { |
| return Gravity.BOTTOM; |
| } |
| } else if (mPosition == BOUNDS_POSITION_RIGHT) { |
| if (!displayCutout.getBoundingRectRight().isEmpty()) { |
| return Gravity.RIGHT; |
| } |
| } |
| return Gravity.NO_GRAVITY; |
| } |
| |
| @Override |
| public boolean shouldInterceptTouch() { |
| return mInfo.displayCutout != null && getVisibility() == VISIBLE; |
| } |
| |
| @Override |
| public Region getInterceptRegion() { |
| if (mInfo.displayCutout == null) { |
| return null; |
| } |
| |
| View rootView = getRootView(); |
| Region cutoutBounds = rectsToRegion( |
| mInfo.displayCutout.getBoundingRects()); |
| |
| // Transform to window's coordinate space |
| rootView.getLocationOnScreen(mLocation); |
| cutoutBounds.translate(-mLocation[0], -mLocation[1]); |
| |
| // Intersect with window's frame |
| cutoutBounds.op(rootView.getLeft(), rootView.getTop(), rootView.getRight(), |
| rootView.getBottom(), Region.Op.INTERSECT); |
| |
| return cutoutBounds; |
| } |
| } |
| |
| /** |
| * A pre-draw listener, that cancels the draw and restarts the traversal with the updated |
| * window attributes. |
| */ |
| private class RestartingPreDrawListener implements ViewTreeObserver.OnPreDrawListener { |
| |
| private final View mView; |
| private final int mTargetRotation; |
| private final int mPosition; |
| |
| private RestartingPreDrawListener(View view, @BoundsPosition int position, |
| int targetRotation) { |
| mView = view; |
| mTargetRotation = targetRotation; |
| mPosition = position; |
| } |
| |
| @Override |
| public boolean onPreDraw() { |
| mView.getViewTreeObserver().removeOnPreDrawListener(this); |
| |
| if (mTargetRotation == mRotation) { |
| if (DEBUG) { |
| Log.i(TAG, getWindowTitleByPos(mPosition) + " already in target rot " |
| + mTargetRotation + ", allow draw without restarting it"); |
| } |
| return true; |
| } |
| |
| mPendingRotationChange = false; |
| // This changes the window attributes - we need to restart the traversal for them to |
| // take effect. |
| updateOrientation(); |
| if (DEBUG) { |
| Log.i(TAG, getWindowTitleByPos(mPosition) |
| + " restarting listener fired, restarting draw for rot " + mRotation); |
| } |
| mView.invalidate(); |
| return false; |
| } |
| } |
| |
| /** |
| * A pre-draw listener, that validates that the rotation we draw in matches the displays |
| * rotation before continuing the draw. |
| * |
| * This is to prevent a race condition, where we have not received the display changed event |
| * yet, and would thus draw in an old orientation. |
| */ |
| private class ValidatingPreDrawListener implements ViewTreeObserver.OnPreDrawListener { |
| |
| private final View mView; |
| |
| public ValidatingPreDrawListener(View view) { |
| mView = view; |
| } |
| |
| @Override |
| public boolean onPreDraw() { |
| final int displayRotation = mContext.getDisplay().getRotation(); |
| if (displayRotation != mRotation && !mPendingRotationChange) { |
| if (DEBUG) { |
| Log.i(TAG, "Drawing rot " + mRotation + ", but display is at rot " |
| + displayRotation + ". Restarting draw"); |
| } |
| mView.invalidate(); |
| return false; |
| } |
| return true; |
| } |
| } |
| } |