Merge "Workaround for back arrow being stuck on screen" into sc-dev am: db294649f8 (1640c657) · Commits · e / os / android_frameworks_base

packages/SystemUI/plugin/src/com/android/systemui/plugins/NavigationEdgeBackPlugin.java

+5 −0

Original line number	Diff line number	Diff line
		@@ -22,6 +22,8 @@ import android.view.WindowManager;

		import com.android.systemui.plugins.annotations.ProvidesInterface;

		import java.io.PrintWriter;

		/** Plugin to handle navigation edge gestures for Back. */
		@ProvidesInterface(
		action = NavigationEdgeBackPlugin.ACTION,
		@@ -49,6 +51,9 @@ public interface NavigationEdgeBackPlugin extends Plugin {
		/** Updates the UI based on the motion events passed in device coordinates. */
		void onMotionEvent(MotionEvent motionEvent);

		/** Dumps info about the back gesture plugin. */
		void dump(PrintWriter pw);

		/** Callback to let the system react to the detected back gestures. */
		interface BackCallback {
		/** Indicates that a Back gesture was recognized and the system should go back. */

packages/SystemUI/src/com/android/systemui/navigationbar/gestural/EdgeBackGestureHandler.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -917,6 +917,9 @@ public class EdgeBackGestureHandler extends CurrentUserTracker
		pw.println(" mGestureLogInsideInsets=" + String.join("\n", mGestureLogInsideInsets));
		pw.println(" mGestureLogOutsideInsets=" + String.join("\n", mGestureLogOutsideInsets));
		pw.println(" mEdgeBackPlugin=" + mEdgeBackPlugin);
		if (mEdgeBackPlugin != null) {
		mEdgeBackPlugin.dump(pw);
		}
		}

		private boolean isGestureBlockingActivityRunning() {

packages/SystemUI/src/com/android/systemui/navigationbar/gestural/NavigationBarEdgePanel.java

+47 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,7 @@ import android.graphics.Paint;
		import android.graphics.Path;
		import android.graphics.Point;
		import android.graphics.Rect;
		import android.os.Handler;
		import android.os.SystemClock;
		import android.os.VibrationEffect;
		import android.util.Log;
		@@ -56,13 +57,18 @@ import com.android.systemui.animation.Interpolators;
		import com.android.systemui.plugins.NavigationEdgeBackPlugin;
		import com.android.systemui.statusbar.VibratorHelper;

		import java.io.PrintWriter;

		public class NavigationBarEdgePanel extends View implements NavigationEdgeBackPlugin {

		private static final String TAG = "NavigationBarEdgePanel";

		private static final boolean ENABLE_FAILSAFE = true;

		private static final long COLOR_ANIMATION_DURATION_MS = 120;
		private static final long DISAPPEAR_FADE_ANIMATION_DURATION_MS = 80;
		private static final long DISAPPEAR_ARROW_ANIMATION_DURATION_MS = 100;
		private static final long FAILSAFE_DELAY_MS = 200;

		/**
		* The time required since the first vibration effect to automatically trigger a click
		@@ -215,6 +221,9 @@ public class NavigationBarEdgePanel extends View implements NavigationEdgeBackPl
		private long mVibrationTime;
		private int mScreenSize;

		private final Handler mHandler = new Handler();
		private final Runnable mFailsafeRunnable = this::onFailsafe;

		private DynamicAnimation.OnAnimationEndListener mSetGoneEndListener
		= new DynamicAnimation.OnAnimationEndListener() {
		@Override
		@@ -364,6 +373,7 @@ public class NavigationBarEdgePanel extends View implements NavigationEdgeBackPl

		@Override
		public void onDestroy() {
		cancelFailsafe();
		mWindowManager.removeView(this);
		mRegionSamplingHelper.stop();
		mRegionSamplingHelper = null;
		@@ -635,6 +645,8 @@ public class NavigationBarEdgePanel extends View implements NavigationEdgeBackPl
		animate().alpha(0f).setDuration(DISAPPEAR_FADE_ANIMATION_DURATION_MS)
		.withEndAction(() -> setVisibility(GONE));
		mArrowDisappearAnimation.start();
		// Schedule failsafe in case alpha end callback is not called
		scheduleFailsafe();
		};
		if (mTranslationAnimation.isRunning()) {
		mTranslationAnimation.addEndListener(new DynamicAnimation.OnAnimationEndListener() {
		@@ -648,6 +660,8 @@ public class NavigationBarEdgePanel extends View implements NavigationEdgeBackPl
		}
		}
		});
		// Schedule failsafe in case mTranslationAnimation end callback is not called
		scheduleFailsafe();
		} else {
		translationEnd.run();
		}
		@@ -658,6 +672,8 @@ public class NavigationBarEdgePanel extends View implements NavigationEdgeBackPl

		if (mTranslationAnimation.isRunning()) {
		mTranslationAnimation.addEndListener(mSetGoneEndListener);
		// Schedule failsafe in case mTranslationAnimation end callback is not called
		scheduleFailsafe();
		} else {
		setVisibility(GONE);
		}
		@@ -683,6 +699,7 @@ public class NavigationBarEdgePanel extends View implements NavigationEdgeBackPl
		mTotalTouchDelta = 0;
		mVibrationTime = 0;
		setDesiredVerticalTransition(0, false /* animated */);
		cancelFailsafe();
		}

		private void handleMoveEvent(MotionEvent event) {
		@@ -867,7 +884,37 @@ public class NavigationBarEdgePanel extends View implements NavigationEdgeBackPl
		invalidate();
		}

		private void scheduleFailsafe() {
		if (!ENABLE_FAILSAFE) {
		return;
		}
		cancelFailsafe();
		mHandler.postDelayed(mFailsafeRunnable, FAILSAFE_DELAY_MS);
		}

		private void cancelFailsafe() {
		mHandler.removeCallbacks(mFailsafeRunnable);
		}

		private void onFailsafe() {
		setVisibility(GONE);
		}

		private float dp(float dp) {
		return mDensity * dp;
		}

		@Override
		public void dump(PrintWriter pw) {
		pw.println("NavigationBarEdgePanel:");
		pw.println(" mIsLeftPanel=" + mIsLeftPanel);
		pw.println(" mTriggerBack=" + mTriggerBack);
		pw.println(" mDragSlopPassed=" + mDragSlopPassed);
		pw.println(" mCurrentAngle=" + mCurrentAngle);
		pw.println(" mDesiredAngle=" + mDesiredAngle);
		pw.println(" mCurrentTranslation=" + mCurrentTranslation);
		pw.println(" mDesiredTranslation=" + mDesiredTranslation);
		pw.println(" mTranslationAnimation running=" + mTranslationAnimation.isRunning());
		mRegionSamplingHelper.dump(pw);
		}
		}