Undim kids nav icons on a11y focus and click. (401f6bb0) · Commits · e / os / android_packages_apps_Trebuchet

quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java

+21 −0

Original line number	Diff line number	Diff line
		@@ -15,6 +15,7 @@
		*/
		package com.android.launcher3.taskbar;

		import static android.view.View.AccessibilityDelegate;
		import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;

		import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
		@@ -582,6 +583,26 @@ public class NavbarButtonsViewController implements TaskbarControllers.LoggableT
		return mHomeButtonAlpha;
		}

		/**
		* Sets the AccessibilityDelegate for the home button.
		*/
		public void setHomeButtonAccessibilityDelegate(AccessibilityDelegate accessibilityDelegate) {
		if (mHomeButton == null) {
		return;
		}
		mHomeButton.setAccessibilityDelegate(accessibilityDelegate);
		}

		/**
		* Sets the AccessibilityDelegate for the back button.
		*/
		public void setBackButtonAccessibilityDelegate(AccessibilityDelegate accessibilityDelegate) {
		if (mBackButton == null) {
		return;
		}
		mBackButton.setAccessibilityDelegate(accessibilityDelegate);
		}

		/** Use to set the translationY for the all nav+contextual buttons */
		public AnimatedFloat getTaskbarNavButtonTranslationY() {
		return mTaskbarNavButtonTranslationY;

quickstep/src/com/android/launcher3/taskbar/TaskbarForceVisibleImmersiveController.java

+28 −0

Original line number	Diff line number	Diff line
		@@ -18,13 +18,17 @@ package com.android.launcher3.taskbar;

		import static android.view.accessibility.AccessibilityManager.FLAG_CONTENT_CONTROLS;
		import static android.view.accessibility.AccessibilityManager.FLAG_CONTENT_ICONS;
		import static android.view.accessibility.AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS;
		import static android.view.accessibility.AccessibilityNodeInfo.ACTION_CLICK;

		import static com.android.launcher3.taskbar.NavbarButtonsViewController.ALPHA_INDEX_IMMERSIVE_MODE;
		import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_IMMERSIVE_MODE;

		import android.os.Bundle;
		import android.os.Handler;
		import android.os.Looper;
		import android.view.MotionEvent;
		import android.view.View;

		import com.android.launcher3.compat.AccessibilityManagerCompat;
		import com.android.launcher3.util.MultiValueAlpha;
		@@ -52,6 +56,21 @@ public class TaskbarForceVisibleImmersiveController implements TouchController {
		this::updateIconDimmingAlpha);
		private final Consumer<MultiValueAlpha> mImmersiveModeAlphaUpdater = alpha -> alpha.getProperty(
		ALPHA_INDEX_IMMERSIVE_MODE).setValue(mIconAlphaForDimming.value);
		private final View.AccessibilityDelegate mKidsModeAccessibilityDelegate =
		new View.AccessibilityDelegate() {
		@Override
		public boolean performAccessibilityAction(View host, int action, Bundle args) {
		if (action == ACTION_ACCESSIBILITY_FOCUS \|\| action == ACTION_CLICK) {
		// Animate undimming of icons on an a11y event, followed by starting the
		// dimming animation (after its timeout has expired). Both can be called in
		// succession, as the playing of the two animations in a row is managed by
		// mHandler's message queue.
		startIconUndimming();
		startIconDimming();
		}
		return super.performAccessibilityAction(host, action, args);
		}
		};

		// Initialized in init.
		private TaskbarControllers mControllers;
		@@ -77,12 +96,21 @@ public class TaskbarForceVisibleImmersiveController implements TouchController {
		} else {
		startIconUndimming();
		}
		mControllers.navbarButtonsViewController.setHomeButtonAccessibilityDelegate(
		mKidsModeAccessibilityDelegate);
		mControllers.navbarButtonsViewController.setBackButtonAccessibilityDelegate(
		mKidsModeAccessibilityDelegate);
		} else {
		mControllers.navbarButtonsViewController.setHomeButtonAccessibilityDelegate(null);
		mControllers.navbarButtonsViewController.setBackButtonAccessibilityDelegate(null);
		}
		}

		/** Clean up animations. */
		public void onDestroy() {
		startIconUndimming();
		mControllers.navbarButtonsViewController.setHomeButtonAccessibilityDelegate(null);
		mControllers.navbarButtonsViewController.setBackButtonAccessibilityDelegate(null);
		}

		private void startIconUndimming() {