Merge "a11y: ScrollPanel - Update hovered button style" into main (c22e54f2) · Commits · e / os / android_frameworks_base

services/accessibility/java/com/android/server/accessibility/autoclick/AutoclickScrollPanel.java

+29 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,9 @@ import static android.view.WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_M

		import android.annotation.IntDef;
		import android.content.Context;
		import android.graphics.BlendMode;
		import android.graphics.BlendModeColorFilter;
		import android.graphics.Color;
		import android.graphics.PixelFormat;
		import android.util.DisplayMetrics;
		import android.view.Gravity;
		@@ -233,12 +236,38 @@ public class AutoclickScrollPanel {
		return true;
		}

		// Update the button background color based on hover state.
		toggleSelectedButtonStyle(button, hovered);
		// Notify the controller about the hover change.
		mScrollPanelController.onHoverButtonChange(direction, hovered);
		return true;
		});
		}

		/**
		* Updates the button's style based on hover state.
		*
		* @param button The button to update the style for.
		* @param hovered Whether the button is being hovered or not.
		*/
		private void toggleSelectedButtonStyle(ImageButton button, boolean hovered) {
		if (hovered) {
		int tintColor = mContext.getColor(
		com.android.internal.R.color.materialColorOnPrimary);

		// Apply semi-transparent (22%) tint.
		// SRC_ATOP preserves the button's texture and shadows while applying the tint.
		button.getBackground().setColorFilter(new BlendModeColorFilter(
		Color.argb(56, Color.red(tintColor), Color.green(tintColor),
		Color.blue(tintColor)),

		BlendMode.SRC_ATOP));
		} else {
		// Clear the color filter to remove the effect.
		button.getBackground().clearColorFilter();
		}
		}

		/**
		* Retrieves the layout params for AutoclickScrollPanel, used when it's added to the Window
		* Manager.