packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java - platform/frameworks/base - Git at Google

 /*
  * Copyright (C) 2008 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.statusbar.phone;


 import static com.android.systemui.Flags.truncatedStatusBarIconsFix;

 import android.annotation.Nullable;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.graphics.Insets;
 import android.graphics.Rect;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.view.DisplayCutout;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.WindowInsets;
 import android.view.accessibility.AccessibilityEvent;
 import android.widget.FrameLayout;
 import android.widget.LinearLayout;

 import com.android.internal.policy.SystemBarUtils;
 import com.android.systemui.Dependency;
 import com.android.systemui.Gefingerpoken;
 import com.android.systemui.plugins.DarkIconDispatcher;
 import com.android.systemui.plugins.DarkIconDispatcher.DarkReceiver;
 import com.android.systemui.res.R;
 import com.android.systemui.statusbar.phone.userswitcher.StatusBarUserSwitcherContainer;
 import com.android.systemui.statusbar.policy.Clock;
 import com.android.systemui.statusbar.window.StatusBarWindowController;
 import com.android.systemui.user.ui.binder.StatusBarUserChipViewBinder;
 import com.android.systemui.user.ui.viewmodel.StatusBarUserChipViewModel;
 import com.android.systemui.util.leak.RotationUtils;

 import java.util.Objects;

 public class PhoneStatusBarView extends FrameLayout {
     private static final String TAG = "PhoneStatusBarView";
     private final StatusBarContentInsetsProvider mContentInsetsProvider;
     private final StatusBarWindowController mStatusBarWindowController;

     private DarkReceiver mBattery;
     private Clock mClock;
     private int mRotationOrientation = -1;
     @Nullable
     private View mCutoutSpace;
     @Nullable
     private DisplayCutout mDisplayCutout;
     @Nullable
     private Rect mDisplaySize;
     private int mStatusBarHeight;
     @Nullable
     private Gefingerpoken mTouchEventHandler;
     private int mDensity;
     private float mFontScale;

     /**
      * Draw this many pixels into the left/right side of the cutout to optimally use the space
      */
     private int mCutoutSideNudge = 0;

     public PhoneStatusBarView(Context context, AttributeSet attrs) {
         super(context, attrs);
         mContentInsetsProvider = Dependency.get(StatusBarContentInsetsProvider.class);
         mStatusBarWindowController = Dependency.get(StatusBarWindowController.class);
     }

     void setTouchEventHandler(Gefingerpoken handler) {
         mTouchEventHandler = handler;
     }

     void init(StatusBarUserChipViewModel viewModel) {
         StatusBarUserSwitcherContainer container = findViewById(R.id.user_switcher_container);
         StatusBarUserChipViewBinder.bind(container, viewModel);
     }

     @Override
     public void onFinishInflate() {
         super.onFinishInflate();
         mBattery = findViewById(R.id.battery);
         mClock = findViewById(R.id.clock);
         mCutoutSpace = findViewById(R.id.cutout_space_view);

         updateResources();
     }

     @Override
     protected void onAttachedToWindow() {
         super.onAttachedToWindow();
         // Always have Battery meters in the status bar observe the dark/light modes.
         Dependency.get(DarkIconDispatcher.class).addDarkReceiver(mBattery);
         Dependency.get(DarkIconDispatcher.class).addDarkReceiver(mClock);
         if (updateDisplayParameters()) {
             updateLayoutForCutout();
             if (truncatedStatusBarIconsFix()) {
                 updateWindowHeight();
             }
         }
     }

     @Override
     protected void onDetachedFromWindow() {
         super.onDetachedFromWindow();
         Dependency.get(DarkIconDispatcher.class).removeDarkReceiver(mBattery);
         Dependency.get(DarkIconDispatcher.class).removeDarkReceiver(mClock);
         mDisplayCutout = null;
     }

     // Per b/300629388, we let the PhoneStatusBarView detect onConfigurationChanged to
     // updateResources, instead of letting the PhoneStatusBarViewController detect onConfigChanged
     // then notify PhoneStatusBarView.
     @Override
     protected void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
         updateResources();

         // May trigger cutout space layout-ing
         if (updateDisplayParameters()) {
             updateLayoutForCutout();
             requestLayout();
         }
         if (truncatedStatusBarIconsFix()) {
             updateWindowHeight();
         }
     }

     void onDensityOrFontScaleChanged() {
         mClock.onDensityOrFontScaleChanged();
     }

     @Override
     public WindowInsets onApplyWindowInsets(WindowInsets insets) {
         if (updateDisplayParameters()) {
             updateLayoutForCutout();
             requestLayout();
         }
         return super.onApplyWindowInsets(insets);
     }

     /**
      * @return boolean indicating if we need to update the cutout location / margins
      */
     private boolean updateDisplayParameters() {
         boolean changed = false;
         int newRotation = RotationUtils.getExactRotation(mContext);
         if (newRotation != mRotationOrientation) {
             changed = true;
             mRotationOrientation = newRotation;
         }

         if (!Objects.equals(getRootWindowInsets().getDisplayCutout(), mDisplayCutout)) {
             changed = true;
             mDisplayCutout = getRootWindowInsets().getDisplayCutout();
         }

         Configuration newConfiguration = mContext.getResources().getConfiguration();
         final Rect newSize = newConfiguration.windowConfiguration.getMaxBounds();
         if (!Objects.equals(newSize, mDisplaySize)) {
             changed = true;
             mDisplaySize = newSize;
         }

         int density = newConfiguration.densityDpi;
         if (density != mDensity) {
             changed = true;
             mDensity = density;
         }
         float fontScale = newConfiguration.fontScale;
         if (fontScale != mFontScale) {
             changed = true;
             mFontScale = fontScale;
         }
         return changed;
     }

     @Override
     public boolean onRequestSendAccessibilityEventInternal(View child, AccessibilityEvent event) {
         if (super.onRequestSendAccessibilityEventInternal(child, event)) {
             // The status bar is very small so augment the view that the user is touching
             // with the content of the status bar a whole. This way an accessibility service
             // may announce the current item as well as the entire content if appropriate.
             AccessibilityEvent record = AccessibilityEvent.obtain();
             onInitializeAccessibilityEvent(record);
             dispatchPopulateAccessibilityEvent(record);
             event.appendRecord(record);
             return true;
         }
         return false;
     }

     @Override
     public boolean onTouchEvent(MotionEvent event) {
         if (mTouchEventHandler == null) {
             Log.w(
                     TAG,
                     String.format(
                             "onTouch: No touch handler provided; eating gesture at (%d,%d)",
                             (int) event.getX(),
                             (int) event.getY()
                     )
             );
             return true;
         }
         return mTouchEventHandler.onTouchEvent(event);
     }

     @Override
     public boolean onInterceptTouchEvent(MotionEvent event) {
         mTouchEventHandler.onInterceptTouchEvent(event);
         return super.onInterceptTouchEvent(event);
     }

     public void updateResources() {
         mCutoutSideNudge = getResources().getDimensionPixelSize(
                 R.dimen.display_cutout_margin_consumption);

         updateStatusBarHeight();
     }

     private void updateStatusBarHeight() {
         final int waterfallTopInset =
                 mDisplayCutout == null ? 0 : mDisplayCutout.getWaterfallInsets().top;
         ViewGroup.LayoutParams layoutParams = getLayoutParams();
         mStatusBarHeight = SystemBarUtils.getStatusBarHeight(mContext);
         layoutParams.height = mStatusBarHeight - waterfallTopInset;
         updateSystemIconsContainerHeight();
         updatePaddings();
         setLayoutParams(layoutParams);
     }

     private void updateSystemIconsContainerHeight() {
         View systemIconsContainer = findViewById(R.id.system_icons);
         ViewGroup.LayoutParams layoutParams = systemIconsContainer.getLayoutParams();
         int newSystemIconsHeight =
                 getResources().getDimensionPixelSize(R.dimen.status_bar_system_icons_height);
         if (layoutParams.height != newSystemIconsHeight) {
             layoutParams.height = newSystemIconsHeight;
             systemIconsContainer.setLayoutParams(layoutParams);
         }
     }

     private void updatePaddings() {
         int statusBarPaddingStart = getResources().getDimensionPixelSize(
                 R.dimen.status_bar_padding_start);

         findViewById(R.id.status_bar_contents).setPaddingRelative(
                 statusBarPaddingStart,
                 getResources().getDimensionPixelSize(R.dimen.status_bar_padding_top),
                 getResources().getDimensionPixelSize(R.dimen.status_bar_padding_end),
                 0);

         findViewById(R.id.notification_lights_out)
                 .setPaddingRelative(0, statusBarPaddingStart, 0, 0);

         findViewById(R.id.system_icons).setPaddingRelative(
                 getResources().getDimensionPixelSize(R.dimen.status_bar_icons_padding_start),
                 getResources().getDimensionPixelSize(R.dimen.status_bar_icons_padding_top),
                 getResources().getDimensionPixelSize(R.dimen.status_bar_icons_padding_end),
                 getResources().getDimensionPixelSize(R.dimen.status_bar_icons_padding_bottom)
         );
     }

     private void updateLayoutForCutout() {
         updateStatusBarHeight();
         updateCutoutLocation();
         updateSafeInsets();
     }

     private void updateCutoutLocation() {
         // Not all layouts have a cutout (e.g., Car)
         if (mCutoutSpace == null) {
             return;
         }

         boolean hasCornerCutout = mContentInsetsProvider.currentRotationHasCornerCutout();
         if (mDisplayCutout == null || mDisplayCutout.isEmpty() || hasCornerCutout) {
             mCutoutSpace.setVisibility(View.GONE);
             return;
         }

         mCutoutSpace.setVisibility(View.VISIBLE);
         LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) mCutoutSpace.getLayoutParams();

         Rect bounds = mDisplayCutout.getBoundingRectTop();

         bounds.left = bounds.left + mCutoutSideNudge;
         bounds.right = bounds.right - mCutoutSideNudge;
         lp.width = bounds.width();
         lp.height = bounds.height();
     }

     private void updateSafeInsets() {
         Insets insets = mContentInsetsProvider
                 .getStatusBarContentInsetsForCurrentRotation();
         setPadding(
                 insets.left,
                 insets.top,
                 insets.right,
                 getPaddingBottom());
     }

     private void updateWindowHeight() {
         mStatusBarWindowController.refreshStatusBarHeight();
     }
 }
	/*
	* Copyright (C) 2008 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.statusbar.phone;


	import static com.android.systemui.Flags.truncatedStatusBarIconsFix;

	import android.annotation.Nullable;
	import android.content.Context;
	import android.content.res.Configuration;
	import android.graphics.Insets;
	import android.graphics.Rect;
	import android.util.AttributeSet;
	import android.util.Log;
	import android.view.DisplayCutout;
	import android.view.MotionEvent;
	import android.view.View;
	import android.view.ViewGroup;
	import android.view.WindowInsets;
	import android.view.accessibility.AccessibilityEvent;
	import android.widget.FrameLayout;
	import android.widget.LinearLayout;

	import com.android.internal.policy.SystemBarUtils;
	import com.android.systemui.Dependency;
	import com.android.systemui.Gefingerpoken;
	import com.android.systemui.plugins.DarkIconDispatcher;
	import com.android.systemui.plugins.DarkIconDispatcher.DarkReceiver;
	import com.android.systemui.res.R;
	import com.android.systemui.statusbar.phone.userswitcher.StatusBarUserSwitcherContainer;
	import com.android.systemui.statusbar.policy.Clock;
	import com.android.systemui.statusbar.window.StatusBarWindowController;
	import com.android.systemui.user.ui.binder.StatusBarUserChipViewBinder;
	import com.android.systemui.user.ui.viewmodel.StatusBarUserChipViewModel;
	import com.android.systemui.util.leak.RotationUtils;

	import java.util.Objects;

	public class PhoneStatusBarView extends FrameLayout {
	private static final String TAG = "PhoneStatusBarView";
	private final StatusBarContentInsetsProvider mContentInsetsProvider;
	private final StatusBarWindowController mStatusBarWindowController;

	private DarkReceiver mBattery;
	private Clock mClock;
	private int mRotationOrientation = -1;
	@Nullable
	private View mCutoutSpace;
	@Nullable
	private DisplayCutout mDisplayCutout;
	@Nullable
	private Rect mDisplaySize;
	private int mStatusBarHeight;
	@Nullable
	private Gefingerpoken mTouchEventHandler;
	private int mDensity;
	private float mFontScale;

	/**
	* Draw this many pixels into the left/right side of the cutout to optimally use the space
	*/
	private int mCutoutSideNudge = 0;

	public PhoneStatusBarView(Context context, AttributeSet attrs) {
	super(context, attrs);
	mContentInsetsProvider = Dependency.get(StatusBarContentInsetsProvider.class);
	mStatusBarWindowController = Dependency.get(StatusBarWindowController.class);
	}

	void setTouchEventHandler(Gefingerpoken handler) {
	mTouchEventHandler = handler;
	}

	void init(StatusBarUserChipViewModel viewModel) {
	StatusBarUserSwitcherContainer container = findViewById(R.id.user_switcher_container);
	StatusBarUserChipViewBinder.bind(container, viewModel);
	}

	@Override
	public void onFinishInflate() {
	super.onFinishInflate();
	mBattery = findViewById(R.id.battery);
	mClock = findViewById(R.id.clock);
	mCutoutSpace = findViewById(R.id.cutout_space_view);

	updateResources();
	}

	@Override
	protected void onAttachedToWindow() {
	super.onAttachedToWindow();
	// Always have Battery meters in the status bar observe the dark/light modes.
	Dependency.get(DarkIconDispatcher.class).addDarkReceiver(mBattery);
	Dependency.get(DarkIconDispatcher.class).addDarkReceiver(mClock);
	if (updateDisplayParameters()) {
	updateLayoutForCutout();
	if (truncatedStatusBarIconsFix()) {
	updateWindowHeight();
	}
	}
	}

	@Override
	protected void onDetachedFromWindow() {
	super.onDetachedFromWindow();
	Dependency.get(DarkIconDispatcher.class).removeDarkReceiver(mBattery);
	Dependency.get(DarkIconDispatcher.class).removeDarkReceiver(mClock);
	mDisplayCutout = null;
	}

	// Per b/300629388, we let the PhoneStatusBarView detect onConfigurationChanged to
	// updateResources, instead of letting the PhoneStatusBarViewController detect onConfigChanged
	// then notify PhoneStatusBarView.
	@Override
	protected void onConfigurationChanged(Configuration newConfig) {
	super.onConfigurationChanged(newConfig);
	updateResources();

	// May trigger cutout space layout-ing
	if (updateDisplayParameters()) {
	updateLayoutForCutout();
	requestLayout();
	}
	if (truncatedStatusBarIconsFix()) {
	updateWindowHeight();
	}
	}

	void onDensityOrFontScaleChanged() {
	mClock.onDensityOrFontScaleChanged();
	}

	@Override
	public WindowInsets onApplyWindowInsets(WindowInsets insets) {
	if (updateDisplayParameters()) {
	updateLayoutForCutout();
	requestLayout();
	}
	return super.onApplyWindowInsets(insets);
	}

	/**
	* @return boolean indicating if we need to update the cutout location / margins
	*/
	private boolean updateDisplayParameters() {
	boolean changed = false;
	int newRotation = RotationUtils.getExactRotation(mContext);
	if (newRotation != mRotationOrientation) {
	changed = true;
	mRotationOrientation = newRotation;
	}

	if (!Objects.equals(getRootWindowInsets().getDisplayCutout(), mDisplayCutout)) {
	changed = true;
	mDisplayCutout = getRootWindowInsets().getDisplayCutout();
	}

	Configuration newConfiguration = mContext.getResources().getConfiguration();
	final Rect newSize = newConfiguration.windowConfiguration.getMaxBounds();
	if (!Objects.equals(newSize, mDisplaySize)) {
	changed = true;
	mDisplaySize = newSize;
	}

	int density = newConfiguration.densityDpi;
	if (density != mDensity) {
	changed = true;
	mDensity = density;
	}
	float fontScale = newConfiguration.fontScale;
	if (fontScale != mFontScale) {
	changed = true;
	mFontScale = fontScale;
	}
	return changed;
	}

	@Override
	public boolean onRequestSendAccessibilityEventInternal(View child, AccessibilityEvent event) {
	if (super.onRequestSendAccessibilityEventInternal(child, event)) {
	// The status bar is very small so augment the view that the user is touching
	// with the content of the status bar a whole. This way an accessibility service
	// may announce the current item as well as the entire content if appropriate.
	AccessibilityEvent record = AccessibilityEvent.obtain();
	onInitializeAccessibilityEvent(record);
	dispatchPopulateAccessibilityEvent(record);
	event.appendRecord(record);
	return true;
	}
	return false;
	}

	@Override
	public boolean onTouchEvent(MotionEvent event) {
	if (mTouchEventHandler == null) {
	Log.w(
	TAG,
	String.format(
	"onTouch: No touch handler provided; eating gesture at (%d,%d)",
	(int) event.getX(),
	(int) event.getY()
	)
	);
	return true;
	}
	return mTouchEventHandler.onTouchEvent(event);
	}

	@Override
	public boolean onInterceptTouchEvent(MotionEvent event) {
	mTouchEventHandler.onInterceptTouchEvent(event);
	return super.onInterceptTouchEvent(event);
	}

	public void updateResources() {
	mCutoutSideNudge = getResources().getDimensionPixelSize(
	R.dimen.display_cutout_margin_consumption);

	updateStatusBarHeight();
	}

	private void updateStatusBarHeight() {
	final int waterfallTopInset =
	mDisplayCutout == null ? 0 : mDisplayCutout.getWaterfallInsets().top;
	ViewGroup.LayoutParams layoutParams = getLayoutParams();
	mStatusBarHeight = SystemBarUtils.getStatusBarHeight(mContext);
	layoutParams.height = mStatusBarHeight - waterfallTopInset;
	updateSystemIconsContainerHeight();
	updatePaddings();
	setLayoutParams(layoutParams);
	}

	private void updateSystemIconsContainerHeight() {
	View systemIconsContainer = findViewById(R.id.system_icons);
	ViewGroup.LayoutParams layoutParams = systemIconsContainer.getLayoutParams();
	int newSystemIconsHeight =
	getResources().getDimensionPixelSize(R.dimen.status_bar_system_icons_height);
	if (layoutParams.height != newSystemIconsHeight) {
	layoutParams.height = newSystemIconsHeight;
	systemIconsContainer.setLayoutParams(layoutParams);
	}
	}

	private void updatePaddings() {
	int statusBarPaddingStart = getResources().getDimensionPixelSize(
	R.dimen.status_bar_padding_start);

	findViewById(R.id.status_bar_contents).setPaddingRelative(
	statusBarPaddingStart,
	getResources().getDimensionPixelSize(R.dimen.status_bar_padding_top),
	getResources().getDimensionPixelSize(R.dimen.status_bar_padding_end),
	0);

	findViewById(R.id.notification_lights_out)
	.setPaddingRelative(0, statusBarPaddingStart, 0, 0);

	findViewById(R.id.system_icons).setPaddingRelative(
	getResources().getDimensionPixelSize(R.dimen.status_bar_icons_padding_start),
	getResources().getDimensionPixelSize(R.dimen.status_bar_icons_padding_top),
	getResources().getDimensionPixelSize(R.dimen.status_bar_icons_padding_end),
	getResources().getDimensionPixelSize(R.dimen.status_bar_icons_padding_bottom)
	);
	}

	private void updateLayoutForCutout() {
	updateStatusBarHeight();
	updateCutoutLocation();
	updateSafeInsets();
	}

	private void updateCutoutLocation() {
	// Not all layouts have a cutout (e.g., Car)
	if (mCutoutSpace == null) {
	return;
	}

	boolean hasCornerCutout = mContentInsetsProvider.currentRotationHasCornerCutout();
	if (mDisplayCutout == null \|\| mDisplayCutout.isEmpty() \|\| hasCornerCutout) {
	mCutoutSpace.setVisibility(View.GONE);
	return;
	}

	mCutoutSpace.setVisibility(View.VISIBLE);
	LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) mCutoutSpace.getLayoutParams();

	Rect bounds = mDisplayCutout.getBoundingRectTop();

	bounds.left = bounds.left + mCutoutSideNudge;
	bounds.right = bounds.right - mCutoutSideNudge;
	lp.width = bounds.width();
	lp.height = bounds.height();
	}

	private void updateSafeInsets() {
	Insets insets = mContentInsetsProvider
	.getStatusBarContentInsetsForCurrentRotation();
	setPadding(
	insets.left,
	insets.top,
	insets.right,
	getPaddingBottom());
	}

	private void updateWindowHeight() {
	mStatusBarWindowController.refreshStatusBarHeight();
	}
	}