Refactor the design and improve the animations of Accessibility Floating Menu(4/n). (a8fecd7e) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/accessibility/floatingmenu/MenuAnimationController.java

0 → 100644

+39 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2022 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.accessibility.floatingmenu;

		import android.graphics.PointF;

		import androidx.dynamicanimation.animation.DynamicAnimation;

		/**
		* Controls the interaction animations of the menu view {@link MenuView}.
		*/
		class MenuAnimationController {
		private final MenuView mMenuView;

		MenuAnimationController(MenuView menuView) {
		mMenuView = menuView;
		}

		void moveToPosition(PointF position) {
		DynamicAnimation.TRANSLATION_X.setValue(mMenuView, position.x);
		DynamicAnimation.TRANSLATION_Y.setValue(mMenuView, position.y);

		mMenuView.onBoundsInParentChanged((int) position.x, (int) position.y);
		}
		}

packages/SystemUI/src/com/android/systemui/accessibility/floatingmenu/MenuInfoRepository.java

+31 −0

Original line number	Diff line number	Diff line
		@@ -23,15 +23,18 @@ import static android.view.accessibility.AccessibilityManager.ACCESSIBILITY_BUTT
		import static com.android.internal.accessibility.dialog.AccessibilityTargetHelper.getTargets;
		import static com.android.systemui.accessibility.floatingmenu.MenuViewAppearance.MenuSizeType.SMALL;

		import android.annotation.FloatRange;
		import android.content.Context;
		import android.database.ContentObserver;
		import android.os.Handler;
		import android.os.Looper;
		import android.os.UserHandle;
		import android.provider.Settings;
		import android.text.TextUtils;

		import com.android.internal.accessibility.dialog.AccessibilityTarget;
		import com.android.internal.annotations.VisibleForTesting;
		import com.android.systemui.Prefs;

		import java.util.List;

		@@ -39,9 +42,16 @@ import java.util.List;
		* Stores and observe the settings contents for the menu view.
		*/
		class MenuInfoRepository {
		@FloatRange(from = 0.0, to = 1.0)
		private static final float DEFAULT_MENU_POSITION_X_PERCENT = 1.0f;

		@FloatRange(from = 0.0, to = 1.0)
		private static final float DEFAULT_MENU_POSITION_Y_PERCENT = 0.9f;

		private final Context mContext;
		private final Handler mHandler = new Handler(Looper.getMainLooper());
		private final OnSettingsContentsChanged mSettingsContentsCallback;
		private Position mPercentagePosition;

		private final ContentObserver mMenuTargetFeaturesContentObserver =
		new ContentObserver(mHandler) {
		@@ -65,6 +75,12 @@ class MenuInfoRepository {
		MenuInfoRepository(Context context, OnSettingsContentsChanged settingsContentsChanged) {
		mContext = context;
		mSettingsContentsCallback = settingsContentsChanged;

		mPercentagePosition = getStartPosition();
		}

		void loadMenuPosition(OnInfoReady<Position> callback) {
		callback.onReady(mPercentagePosition);
		}

		void loadMenuTargetFeatures(OnInfoReady<List<AccessibilityTarget>> callback) {
		@@ -75,6 +91,21 @@ class MenuInfoRepository {
		callback.onReady(getMenuSizeTypeFromSettings(mContext));
		}

		void updateMenuSavingPosition(Position percentagePosition) {
		mPercentagePosition = percentagePosition;
		Prefs.putString(mContext, Prefs.Key.ACCESSIBILITY_FLOATING_MENU_POSITION,
		percentagePosition.toString());
		}

		private Position getStartPosition() {
		final String absolutePositionString = Prefs.getString(mContext,
		Prefs.Key.ACCESSIBILITY_FLOATING_MENU_POSITION, /* defaultValue= */ null);

		return TextUtils.isEmpty(absolutePositionString)
		? new Position(DEFAULT_MENU_POSITION_X_PERCENT, DEFAULT_MENU_POSITION_Y_PERCENT)
		: Position.fromString(absolutePositionString);
		}

		void registerContentObservers() {
		mContext.getContentResolver().registerContentObserver(
		Settings.Secure.getUriFor(Settings.Secure.ACCESSIBILITY_BUTTON_TARGETS),

packages/SystemUI/src/com/android/systemui/accessibility/floatingmenu/MenuView.java

+58 −1

Original line number	Diff line number	Diff line
		@@ -21,7 +21,11 @@ import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
		import android.annotation.SuppressLint;
		import android.content.Context;
		import android.content.res.Configuration;
		import android.graphics.PointF;
		import android.graphics.Rect;
		import android.graphics.drawable.GradientDrawable;
		import android.view.ViewGroup;
		import android.view.ViewTreeObserver;
		import android.widget.FrameLayout;

		import androidx.lifecycle.Observer;
		@@ -31,18 +35,25 @@ import androidx.recyclerview.widget.RecyclerView;
		import com.android.internal.accessibility.dialog.AccessibilityTarget;

		import java.util.ArrayList;
		import java.util.Collections;
		import java.util.List;

		/**
		* The container view displays the accessibility features.
		*/
		@SuppressLint("ViewConstructor")
		class MenuView extends FrameLayout {
		class MenuView extends FrameLayout implements
		ViewTreeObserver.OnComputeInternalInsetsListener {
		private static final int INDEX_MENU_ITEM = 0;
		private final List<AccessibilityTarget> mTargetFeatures = new ArrayList<>();
		private final AccessibilityTargetAdapter mAdapter;
		private final MenuViewModel mMenuViewModel;
		private final MenuAnimationController mMenuAnimationController;
		private final Rect mBoundsInParent = new Rect();
		private final RecyclerView mTargetFeaturesView;
		private final ViewTreeObserver.OnDrawListener mSystemGestureExcludeUpdater =
		this::updateSystemGestureExcludeRects;
		private final Observer<Position> mPercentagePositionObserver = this::onPercentagePosition;
		private final Observer<Integer> mSizeTypeObserver = this::onSizeTypeChanged;
		private final Observer<List<AccessibilityTarget>> mTargetFeaturesObserver =
		this::onTargetFeaturesChanged;
		@@ -53,6 +64,7 @@ class MenuView extends FrameLayout {

		mMenuViewModel = menuViewModel;
		mMenuViewAppearance = menuViewAppearance;
		mMenuAnimationController = new MenuAnimationController(this);
		mAdapter = new AccessibilityTargetAdapter(mTargetFeatures);
		mTargetFeaturesView = new RecyclerView(context);
		mTargetFeaturesView.setAdapter(mAdapter);
		@@ -60,16 +72,25 @@ class MenuView extends FrameLayout {
		setLayoutParams(new FrameLayout.LayoutParams(WRAP_CONTENT, WRAP_CONTENT));
		// Avoid drawing out of bounds of the parent view
		setClipToOutline(true);

		loadLayoutResources();

		addView(mTargetFeaturesView);
		}

		@Override
		public void onComputeInternalInsets(ViewTreeObserver.InternalInsetsInfo inoutInfo) {
		inoutInfo.setTouchableInsets(ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_REGION);
		inoutInfo.touchableRegion.set(mBoundsInParent);
		}

		@Override
		protected void onConfigurationChanged(Configuration newConfig) {
		super.onConfigurationChanged(newConfig);

		loadLayoutResources();

		mTargetFeaturesView.setOverScrollMode(mMenuViewAppearance.getMenuScrollMode());
		}

		@SuppressLint("NotifyDataSetChanged")
		@@ -80,6 +101,10 @@ class MenuView extends FrameLayout {
		}

		private void onSizeChanged() {
		mBoundsInParent.set(mBoundsInParent.left, mBoundsInParent.top,
		mBoundsInParent.left + mMenuViewAppearance.getMenuWidth(),
		mBoundsInParent.top + mMenuViewAppearance.getMenuHeight());

		final FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams) getLayoutParams();
		layoutParams.height = mMenuViewAppearance.getMenuHeight();
		setLayoutParams(layoutParams);
		@@ -96,6 +121,18 @@ class MenuView extends FrameLayout {
		mMenuViewAppearance.getMenuStrokeColor());
		}

		private void onPercentagePosition(Position percentagePosition) {
		mMenuViewAppearance.setPercentagePosition(percentagePosition);

		onPositionChanged();
		}

		private void onPositionChanged() {
		final PointF position = mMenuViewAppearance.getMenuPosition();
		mMenuAnimationController.moveToPosition(position);
		onBoundsInParentChanged((int) position.x, (int) position.y);
		}

		@SuppressLint("NotifyDataSetChanged")
		private void onSizeTypeChanged(int newSizeType) {
		mMenuViewAppearance.setSizeType(newSizeType);
		@@ -106,6 +143,7 @@ class MenuView extends FrameLayout {

		onSizeChanged();
		onEdgeChanged();
		onPositionChanged();
		}

		private void onTargetFeaturesChanged(List<AccessibilityTarget> newTargetFeatures) {
		@@ -113,24 +151,37 @@ class MenuView extends FrameLayout {
		mTargetFeatures.clear();
		mTargetFeatures.addAll(newTargetFeatures);
		mMenuViewAppearance.setTargetFeaturesSize(mTargetFeatures.size());
		mTargetFeaturesView.setOverScrollMode(mMenuViewAppearance.getMenuScrollMode());
		mAdapter.notifyDataSetChanged();

		onSizeChanged();
		onEdgeChanged();
		onPositionChanged();
		}

		void show() {
		mMenuViewModel.getPercentagePositionData().observeForever(mPercentagePositionObserver);
		mMenuViewModel.getTargetFeaturesData().observeForever(mTargetFeaturesObserver);
		mMenuViewModel.getSizeTypeData().observeForever(mSizeTypeObserver);
		setVisibility(VISIBLE);
		mMenuViewModel.registerContentObservers();
		getViewTreeObserver().addOnComputeInternalInsetsListener(this);
		getViewTreeObserver().addOnDrawListener(mSystemGestureExcludeUpdater);
		}

		void hide() {
		setVisibility(GONE);
		mBoundsInParent.setEmpty();
		mMenuViewModel.getPercentagePositionData().removeObserver(mPercentagePositionObserver);
		mMenuViewModel.getTargetFeaturesData().removeObserver(mTargetFeaturesObserver);
		mMenuViewModel.getSizeTypeData().removeObserver(mSizeTypeObserver);
		mMenuViewModel.unregisterContentObservers();
		getViewTreeObserver().removeOnComputeInternalInsetsListener(this);
		getViewTreeObserver().removeOnDrawListener(mSystemGestureExcludeUpdater);
		}

		void onBoundsInParentChanged(int newLeft, int newTop) {
		mBoundsInParent.offsetTo(newLeft, newTop);
		}

		void loadLayoutResources() {
		@@ -141,6 +192,7 @@ class MenuView extends FrameLayout {
		onItemSizeChanged();
		onSizeChanged();
		onEdgeChanged();
		onPositionChanged();
		}

		private InstantInsetLayerDrawable getContainerViewInsetLayer() {
		@@ -150,4 +202,9 @@ class MenuView extends FrameLayout {
		private GradientDrawable getContainerViewGradient() {
		return (GradientDrawable) getContainerViewInsetLayer().getDrawable(INDEX_MENU_ITEM);
		}

		private void updateSystemGestureExcludeRects() {
		final ViewGroup parentView = (ViewGroup) getParent();
		parentView.setSystemGestureExclusionRects(Collections.singletonList(mBoundsInParent));
		}
		}

packages/SystemUI/src/com/android/systemui/accessibility/floatingmenu/MenuViewAppearance.java

+99 −8

Original line number	Diff line number	Diff line
		@@ -16,12 +16,21 @@

		package com.android.systemui.accessibility.floatingmenu;

		import static android.view.View.OVER_SCROLL_ALWAYS;
		import static android.view.View.OVER_SCROLL_NEVER;

		import static com.android.systemui.accessibility.floatingmenu.MenuViewAppearance.MenuSizeType.SMALL;

		import android.annotation.IntDef;
		import android.content.Context;
		import android.content.res.Resources;
		import android.graphics.Insets;
		import android.graphics.PointF;
		import android.graphics.Rect;
		import android.graphics.drawable.Drawable;
		import android.view.WindowInsets;
		import android.view.WindowManager;
		import android.view.WindowMetrics;

		import androidx.annotation.DimenRes;

		@@ -34,9 +43,13 @@ import java.lang.annotation.RetentionPolicy;
		* Provides the layout resources information of the {@link MenuView}.
		*/
		class MenuViewAppearance {
		private final WindowManager mWindowManager;
		private final Resources mRes;
		private final Position mPercentagePosition = new Position(/* percentageX= */
		0f, /* percentageY= */ 0f);
		private int mTargetFeaturesSize;
		private int mSizeType;
		private int mMargin;
		private int mSmallPadding;
		private int mLargePadding;
		private int mSmallIconSize;
		@@ -62,13 +75,15 @@ class MenuViewAppearance {
		int LARGE = 1;
		}

		MenuViewAppearance(Context context) {
		MenuViewAppearance(Context context, WindowManager windowManager) {
		mWindowManager = windowManager;
		mRes = context.getResources();

		update();
		}

		void update() {
		mMargin = mRes.getDimensionPixelSize(R.dimen.accessibility_floating_menu_margin);
		mSmallPadding =
		mRes.getDimensionPixelSize(R.dimen.accessibility_floating_menu_small_padding);
		mLargePadding =
		@@ -81,7 +96,7 @@ class MenuViewAppearance {
		mRes.getDimensionPixelSize(R.dimen.accessibility_floating_menu_small_single_radius);
		mSmallMultipleRadius = mRes.getDimensionPixelSize(
		R.dimen.accessibility_floating_menu_small_multiple_radius);
		mRadii = createRadii(getMenuRadius(mTargetFeaturesSize));
		mRadii = createRadii(isMenuOnLeftSide(), getMenuRadius(mTargetFeaturesSize));
		mLargeSingleRadius =
		mRes.getDimensionPixelSize(R.dimen.accessibility_floating_menu_large_single_radius);
		mLargeMultipleRadius = mRes.getDimensionPixelSize(
		@@ -98,13 +113,48 @@ class MenuViewAppearance {
		void setSizeType(int sizeType) {
		mSizeType = sizeType;

		mRadii = createRadii(getMenuRadius(mTargetFeaturesSize));
		mRadii = createRadii(isMenuOnLeftSide(), getMenuRadius(mTargetFeaturesSize));
		}

		void setTargetFeaturesSize(int targetFeaturesSize) {
		mTargetFeaturesSize = targetFeaturesSize;

		mRadii = createRadii(getMenuRadius(targetFeaturesSize));
		mRadii = createRadii(isMenuOnLeftSide(), getMenuRadius(targetFeaturesSize));
		}

		void setPercentagePosition(Position percentagePosition) {
		mPercentagePosition.update(percentagePosition);

		mRadii = createRadii(isMenuOnLeftSide(), getMenuRadius(mTargetFeaturesSize));
		}

		Rect getMenuDraggableBounds() {
		final int margin = getMenuMargin();
		final Rect draggableBounds = getWindowAvailableBounds();

		// Initializes start position for mapping the translation of the menu view.
		final WindowMetrics windowMetrics = mWindowManager.getCurrentWindowMetrics();
		final WindowInsets windowInsets = windowMetrics.getWindowInsets();
		final Insets displayCutoutInsets = windowInsets.getInsetsIgnoringVisibility(
		WindowInsets.Type.displayCutout());
		draggableBounds.offset(-displayCutoutInsets.left, -displayCutoutInsets.top);

		draggableBounds.top += margin;
		draggableBounds.right -= getMenuWidth();
		draggableBounds.bottom -= Math.min(
		getWindowAvailableBounds().height() - draggableBounds.top,
		calculateActualMenuHeight() + margin);
		return draggableBounds;
		}

		PointF getMenuPosition() {
		final Rect draggableBounds = getMenuDraggableBounds();

		return new PointF(
		draggableBounds.left
		+ draggableBounds.width() * mPercentagePosition.getPercentageX(),
		draggableBounds.top
		+ draggableBounds.height() * mPercentagePosition.getPercentageY());
		}

		Drawable getMenuBackground() {
		@@ -115,20 +165,32 @@ class MenuViewAppearance {
		return mElevation;
		}

		int getMenuWidth() {
		return getMenuPadding() * 2 + getMenuIconSize();
		}

		int getMenuHeight() {
		return calculateActualMenuHeight();
		return Math.min(getWindowAvailableBounds().height() - mMargin * 2,
		calculateActualMenuHeight());
		}

		int getMenuIconSize() {
		return mSizeType == SMALL ? mSmallIconSize : mLargeIconSize;
		}

		private int getMenuMargin() {
		return mMargin;
		}

		int getMenuPadding() {
		return mSizeType == SMALL ? mSmallPadding : mLargePadding;
		}

		int[] getMenuInsets() {
		return new int[]{mInset, 0, 0, 0};
		final int left = isMenuOnLeftSide() ? mInset : 0;
		final int right = isMenuOnLeftSide() ? 0 : mInset;

		return new int[]{left, 0, right, 0};
		}

		int getMenuStrokeWidth() {
		@@ -147,6 +209,14 @@ class MenuViewAppearance {
		return mSizeType == SMALL ? getSmallSize(itemCount) : getLargeSize(itemCount);
		}

		int getMenuScrollMode() {
		return hasExceededMaxWindowHeight() ? OVER_SCROLL_ALWAYS : OVER_SCROLL_NEVER;
		}

		private boolean hasExceededMaxWindowHeight() {
		return calculateActualMenuHeight() > getWindowAvailableBounds().height();
		}

		@DimenRes
		private int getSmallSize(int itemCount) {
		return itemCount > 1 ? mSmallMultipleRadius : mSmallSingleRadius;
		@@ -157,8 +227,29 @@ class MenuViewAppearance {
		return itemCount > 1 ? mLargeMultipleRadius : mLargeSingleRadius;
		}

		private static float[] createRadii(float radius) {
		return new float[]{0.0f, 0.0f, radius, radius, radius, radius, 0.0f, 0.0f};
		private static float[] createRadii(boolean isMenuOnLeftSide, float radius) {
		return isMenuOnLeftSide
		? new float[]{0.0f, 0.0f, radius, radius, radius, radius, 0.0f, 0.0f}
		: new float[]{radius, radius, 0.0f, 0.0f, 0.0f, 0.0f, radius, radius};
		}

		private Rect getWindowAvailableBounds() {
		final WindowMetrics windowMetrics = mWindowManager.getCurrentWindowMetrics();
		final WindowInsets windowInsets = windowMetrics.getWindowInsets();
		final Insets insets = windowInsets.getInsetsIgnoringVisibility(
		WindowInsets.Type.systemBars() \| WindowInsets.Type.displayCutout());

		final Rect bounds = new Rect(windowMetrics.getBounds());
		bounds.left += insets.left;
		bounds.right -= insets.right;
		bounds.top += insets.top;
		bounds.bottom -= insets.bottom;

		return bounds;
		}

		private boolean isMenuOnLeftSide() {
		return mPercentagePosition.getPercentageX() < 0.5f;
		}

		private int calculateActualMenuHeight() {

packages/SystemUI/src/com/android/systemui/accessibility/floatingmenu/MenuViewLayer.java

+4 −2

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package com.android.systemui.accessibility.floatingmenu;
		import android.annotation.IntDef;
		import android.annotation.SuppressLint;
		import android.content.Context;
		import android.view.WindowManager;
		import android.widget.FrameLayout;

		import androidx.annotation.NonNull;
		@@ -41,11 +42,12 @@ class MenuViewLayer extends FrameLayout {
		int MENU_VIEW = 0;
		}

		MenuViewLayer(@NonNull Context context) {
		MenuViewLayer(@NonNull Context context, WindowManager windowManager) {
		super(context);

		final MenuViewModel menuViewModel = new MenuViewModel(context);
		final MenuViewAppearance menuViewAppearance = new MenuViewAppearance(context);
		final MenuViewAppearance menuViewAppearance = new MenuViewAppearance(context,
		windowManager);
		mMenuView = new MenuView(context, menuViewModel, menuViewAppearance);

		addView(mMenuView, LayerIndex.MENU_VIEW);