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

 /*
  * Copyright (C) 2016 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 android.app.WallpaperColors;
 import android.content.Context;
 import android.graphics.Color;
 import android.graphics.Rect;
 import android.view.View;

 import com.android.internal.colorextraction.ColorExtractor.GradientColors;
 import com.android.systemui.Dependency;
 import com.android.systemui.Dumpable;
 import com.android.systemui.R;
 import com.android.systemui.statusbar.policy.BatteryController;
 import com.android.systemui.statusbar.policy.DarkIconDispatcher;

 import java.io.FileDescriptor;
 import java.io.PrintWriter;

 import static com.android.systemui.statusbar.phone.BarTransitions.MODE_LIGHTS_OUT_TRANSPARENT;
 import static com.android.systemui.statusbar.phone.BarTransitions.MODE_TRANSPARENT;

 /**
  * Controls how light status bar flag applies to the icons.
  */
 public class LightBarController implements BatteryController.BatteryStateChangeCallback, Dumpable {

     private static final float NAV_BAR_INVERSION_SCRIM_ALPHA_THRESHOLD = 0.1f;

     private final DarkIconDispatcher mStatusBarIconController;
     private final BatteryController mBatteryController;
     private BiometricUnlockController mBiometricUnlockController;

     private LightBarTransitionsController mNavigationBarController;
     private int mSystemUiVisibility;
     private int mFullscreenStackVisibility;
     private int mDockedStackVisibility;
     private boolean mFullscreenLight;
     private boolean mDockedLight;
     private int mLastStatusBarMode;
     private int mLastNavigationBarMode;
     private final Color mDarkModeColor;

     /**
      * Whether the navigation bar should be light factoring in already how much alpha the scrim has
      */
     private boolean mNavigationLight;

     /**
      * Whether the flags indicate that a light status bar is requested. This doesn't factor in the
      * scrim alpha yet.
      */
     private boolean mHasLightNavigationBar;
     private boolean mScrimAlphaBelowThreshold;
     private boolean mInvertLightNavBarWithScrim;
     private float mScrimAlpha;

     private final Rect mLastFullscreenBounds = new Rect();
     private final Rect mLastDockedBounds = new Rect();
     private boolean mQsCustomizing;

     public LightBarController(Context ctx) {
         mDarkModeColor = Color.valueOf(ctx.getColor(R.color.dark_mode_icon_color_single_tone));
         mStatusBarIconController = Dependency.get(DarkIconDispatcher.class);
         mBatteryController = Dependency.get(BatteryController.class);
         mBatteryController.addCallback(this);
     }

     public void setNavigationBar(LightBarTransitionsController navigationBar) {
         mNavigationBarController = navigationBar;
         updateNavigation();
     }

     public void setBiometricUnlockController(
             BiometricUnlockController biometricUnlockController) {
         mBiometricUnlockController = biometricUnlockController;
     }

     public void onSystemUiVisibilityChanged(int fullscreenStackVis, int dockedStackVis,
             int mask, Rect fullscreenStackBounds, Rect dockedStackBounds, boolean sbModeChanged,
             int statusBarMode) {
         int oldFullscreen = mFullscreenStackVisibility;
         int newFullscreen = (oldFullscreen & ~mask) | (fullscreenStackVis & mask);
         int diffFullscreen = newFullscreen ^ oldFullscreen;
         int oldDocked = mDockedStackVisibility;
         int newDocked = (oldDocked & ~mask) | (dockedStackVis & mask);
         int diffDocked = newDocked ^ oldDocked;
         if ((diffFullscreen & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR) != 0
                 || (diffDocked & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR) != 0
                 || sbModeChanged
                 || !mLastFullscreenBounds.equals(fullscreenStackBounds)
                 || !mLastDockedBounds.equals(dockedStackBounds)) {

             mFullscreenLight = isLight(newFullscreen, statusBarMode,
                     View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
             mDockedLight = isLight(newDocked, statusBarMode, View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
             updateStatus(fullscreenStackBounds, dockedStackBounds);
         }

         mFullscreenStackVisibility = newFullscreen;
         mDockedStackVisibility = newDocked;
         mLastStatusBarMode = statusBarMode;
         mLastFullscreenBounds.set(fullscreenStackBounds);
         mLastDockedBounds.set(dockedStackBounds);
     }

     public void onNavigationVisibilityChanged(int vis, int mask, boolean nbModeChanged,
             int navigationBarMode) {
         int oldVis = mSystemUiVisibility;
         int newVis = (oldVis & ~mask) | (vis & mask);
         int diffVis = newVis ^ oldVis;
         if ((diffVis & View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR) != 0
                 || nbModeChanged) {
             boolean last = mNavigationLight;
             mHasLightNavigationBar = isLight(vis, navigationBarMode,
                     View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR);
             mNavigationLight = mHasLightNavigationBar
                     && (mScrimAlphaBelowThreshold || !mInvertLightNavBarWithScrim)
                     && !mQsCustomizing;
             if (mNavigationLight != last) {
                 updateNavigation();
             }
         }
         mSystemUiVisibility = newVis;
         mLastNavigationBarMode = navigationBarMode;
     }

     private void reevaluate() {
         onSystemUiVisibilityChanged(mFullscreenStackVisibility,
                 mDockedStackVisibility, 0 /* mask */, mLastFullscreenBounds, mLastDockedBounds,
                 true /* sbModeChange*/, mLastStatusBarMode);
         onNavigationVisibilityChanged(mSystemUiVisibility, 0 /* mask */, true /* nbModeChanged */,
                 mLastNavigationBarMode);
     }

     public void setQsCustomizing(boolean customizing) {
         if (mQsCustomizing == customizing) return;
         mQsCustomizing = customizing;
         reevaluate();
     }

     public void setScrimAlpha(float alpha) {
         mScrimAlpha = alpha;
         boolean belowThresholdBefore = mScrimAlphaBelowThreshold;
         mScrimAlphaBelowThreshold = mScrimAlpha < NAV_BAR_INVERSION_SCRIM_ALPHA_THRESHOLD;
         if (mHasLightNavigationBar && belowThresholdBefore != mScrimAlphaBelowThreshold) {
             reevaluate();
         }
     }

     public void setScrimColor(GradientColors colors) {
         boolean invertLightNavBarWithScrimBefore = mInvertLightNavBarWithScrim;
         mInvertLightNavBarWithScrim = !colors.supportsDarkText();
         if (mHasLightNavigationBar
                 && invertLightNavBarWithScrimBefore != mInvertLightNavBarWithScrim) {
             reevaluate();
         }
     }

     private boolean isLight(int vis, int barMode, int flag) {
         boolean isTransparentBar = (barMode == MODE_TRANSPARENT
                 || barMode == MODE_LIGHTS_OUT_TRANSPARENT);
         boolean allowLight = isTransparentBar && !mBatteryController.isPowerSave();
         boolean light = (vis & flag) != 0;
         return allowLight && light;
     }

     private boolean animateChange() {
         if (mBiometricUnlockController == null) {
             return false;
         }
         int unlockMode = mBiometricUnlockController.getMode();
         return unlockMode != BiometricUnlockController.MODE_WAKE_AND_UNLOCK_PULSING
                 && unlockMode != BiometricUnlockController.MODE_WAKE_AND_UNLOCK;
     }

     private void updateStatus(Rect fullscreenStackBounds, Rect dockedStackBounds) {
         boolean hasDockedStack = !dockedStackBounds.isEmpty();

         // If both are light or fullscreen is light and there is no docked stack, all icons get
         // dark.
         if ((mFullscreenLight && mDockedLight) || (mFullscreenLight && !hasDockedStack)) {
             mStatusBarIconController.setIconsDarkArea(null);
             mStatusBarIconController.getTransitionsController().setIconsDark(true, animateChange());

         }

         // If no one is light or the fullscreen is not light and there is no docked stack,
         // all icons become white.
         else if ((!mFullscreenLight && !mDockedLight) || (!mFullscreenLight && !hasDockedStack)) {
             mStatusBarIconController.getTransitionsController().setIconsDark(
                     false, animateChange());
         }

         // Not the same for every stack, magic!
         else {
             Rect bounds = mFullscreenLight ? fullscreenStackBounds : dockedStackBounds;
             if (bounds.isEmpty()) {
                 mStatusBarIconController.setIconsDarkArea(null);
             } else {
                 mStatusBarIconController.setIconsDarkArea(bounds);
             }
             mStatusBarIconController.getTransitionsController().setIconsDark(true, animateChange());
         }
     }

     private void updateNavigation() {
         if (mNavigationBarController != null) {
             mNavigationBarController.setIconsDark(
                     mNavigationLight, animateChange());
         }
     }

     @Override
     public void onBatteryLevelChanged(int level, boolean pluggedIn, boolean charging) {

     }

     @Override
     public void onPowerSaveChanged(boolean isPowerSave) {
         reevaluate();
     }

     @Override
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
         pw.println("LightBarController: ");
         pw.print(" mSystemUiVisibility=0x"); pw.print(
                 Integer.toHexString(mSystemUiVisibility));
         pw.print(" mFullscreenStackVisibility=0x"); pw.print(
                 Integer.toHexString(mFullscreenStackVisibility));
         pw.print(" mDockedStackVisibility=0x"); pw.println(
                 Integer.toHexString(mDockedStackVisibility));

         pw.print(" mFullscreenLight="); pw.print(mFullscreenLight);
         pw.print(" mDockedLight="); pw.println(mDockedLight);

         pw.print(" mLastFullscreenBounds="); pw.print(mLastFullscreenBounds);
         pw.print(" mLastDockedBounds="); pw.println(mLastDockedBounds);

         pw.print(" mNavigationLight="); pw.print(mNavigationLight);
         pw.print(" mHasLightNavigationBar="); pw.println(mHasLightNavigationBar);

         pw.print(" mLastStatusBarMode="); pw.print(mLastStatusBarMode);
         pw.print(" mLastNavigationBarMode="); pw.println(mLastNavigationBarMode);

         pw.print(" mScrimAlpha="); pw.print(mScrimAlpha);
         pw.print(" mScrimAlphaBelowThreshold="); pw.println(mScrimAlphaBelowThreshold);
         pw.println();
         pw.println(" StatusBarTransitionsController:");
         mStatusBarIconController.getTransitionsController().dump(fd, pw, args);
         pw.println();
         pw.println(" NavigationBarTransitionsController:");
         if (mNavigationBarController != null) {
             mNavigationBarController.dump(fd, pw, args);
         }
         pw.println();
     }
 }
	/*
	* Copyright (C) 2016 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 android.app.WallpaperColors;
	import android.content.Context;
	import android.graphics.Color;
	import android.graphics.Rect;
	import android.view.View;

	import com.android.internal.colorextraction.ColorExtractor.GradientColors;
	import com.android.systemui.Dependency;
	import com.android.systemui.Dumpable;
	import com.android.systemui.R;
	import com.android.systemui.statusbar.policy.BatteryController;
	import com.android.systemui.statusbar.policy.DarkIconDispatcher;

	import java.io.FileDescriptor;
	import java.io.PrintWriter;

	import static com.android.systemui.statusbar.phone.BarTransitions.MODE_LIGHTS_OUT_TRANSPARENT;
	import static com.android.systemui.statusbar.phone.BarTransitions.MODE_TRANSPARENT;

	/**
	* Controls how light status bar flag applies to the icons.
	*/
	public class LightBarController implements BatteryController.BatteryStateChangeCallback, Dumpable {

	private static final float NAV_BAR_INVERSION_SCRIM_ALPHA_THRESHOLD = 0.1f;

	private final DarkIconDispatcher mStatusBarIconController;
	private final BatteryController mBatteryController;
	private BiometricUnlockController mBiometricUnlockController;

	private LightBarTransitionsController mNavigationBarController;
	private int mSystemUiVisibility;
	private int mFullscreenStackVisibility;
	private int mDockedStackVisibility;
	private boolean mFullscreenLight;
	private boolean mDockedLight;
	private int mLastStatusBarMode;
	private int mLastNavigationBarMode;
	private final Color mDarkModeColor;

	/**
	* Whether the navigation bar should be light factoring in already how much alpha the scrim has
	*/
	private boolean mNavigationLight;

	/**
	* Whether the flags indicate that a light status bar is requested. This doesn't factor in the
	* scrim alpha yet.
	*/
	private boolean mHasLightNavigationBar;
	private boolean mScrimAlphaBelowThreshold;
	private boolean mInvertLightNavBarWithScrim;
	private float mScrimAlpha;

	private final Rect mLastFullscreenBounds = new Rect();
	private final Rect mLastDockedBounds = new Rect();
	private boolean mQsCustomizing;

	public LightBarController(Context ctx) {
	mDarkModeColor = Color.valueOf(ctx.getColor(R.color.dark_mode_icon_color_single_tone));
	mStatusBarIconController = Dependency.get(DarkIconDispatcher.class);
	mBatteryController = Dependency.get(BatteryController.class);
	mBatteryController.addCallback(this);
	}

	public void setNavigationBar(LightBarTransitionsController navigationBar) {
	mNavigationBarController = navigationBar;
	updateNavigation();
	}

	public void setBiometricUnlockController(
	BiometricUnlockController biometricUnlockController) {
	mBiometricUnlockController = biometricUnlockController;
	}

	public void onSystemUiVisibilityChanged(int fullscreenStackVis, int dockedStackVis,
	int mask, Rect fullscreenStackBounds, Rect dockedStackBounds, boolean sbModeChanged,
	int statusBarMode) {
	int oldFullscreen = mFullscreenStackVisibility;
	int newFullscreen = (oldFullscreen & ~mask) \| (fullscreenStackVis & mask);
	int diffFullscreen = newFullscreen ^ oldFullscreen;
	int oldDocked = mDockedStackVisibility;
	int newDocked = (oldDocked & ~mask) \| (dockedStackVis & mask);
	int diffDocked = newDocked ^ oldDocked;
	if ((diffFullscreen & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR) != 0
	\|\| (diffDocked & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR) != 0
	\|\| sbModeChanged
	\|\| !mLastFullscreenBounds.equals(fullscreenStackBounds)
	\|\| !mLastDockedBounds.equals(dockedStackBounds)) {

	mFullscreenLight = isLight(newFullscreen, statusBarMode,
	View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
	mDockedLight = isLight(newDocked, statusBarMode, View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
	updateStatus(fullscreenStackBounds, dockedStackBounds);
	}

	mFullscreenStackVisibility = newFullscreen;
	mDockedStackVisibility = newDocked;
	mLastStatusBarMode = statusBarMode;
	mLastFullscreenBounds.set(fullscreenStackBounds);
	mLastDockedBounds.set(dockedStackBounds);
	}

	public void onNavigationVisibilityChanged(int vis, int mask, boolean nbModeChanged,
	int navigationBarMode) {
	int oldVis = mSystemUiVisibility;
	int newVis = (oldVis & ~mask) \| (vis & mask);
	int diffVis = newVis ^ oldVis;
	if ((diffVis & View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR) != 0
	\|\| nbModeChanged) {
	boolean last = mNavigationLight;
	mHasLightNavigationBar = isLight(vis, navigationBarMode,
	View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR);
	mNavigationLight = mHasLightNavigationBar
	&& (mScrimAlphaBelowThreshold \|\| !mInvertLightNavBarWithScrim)
	&& !mQsCustomizing;
	if (mNavigationLight != last) {
	updateNavigation();
	}
	}
	mSystemUiVisibility = newVis;
	mLastNavigationBarMode = navigationBarMode;
	}

	private void reevaluate() {
	onSystemUiVisibilityChanged(mFullscreenStackVisibility,
	mDockedStackVisibility, 0 /* mask */, mLastFullscreenBounds, mLastDockedBounds,
	true /* sbModeChange*/, mLastStatusBarMode);
	onNavigationVisibilityChanged(mSystemUiVisibility, 0 /* mask /, true / nbModeChanged */,
	mLastNavigationBarMode);
	}

	public void setQsCustomizing(boolean customizing) {
	if (mQsCustomizing == customizing) return;
	mQsCustomizing = customizing;
	reevaluate();
	}

	public void setScrimAlpha(float alpha) {
	mScrimAlpha = alpha;
	boolean belowThresholdBefore = mScrimAlphaBelowThreshold;
	mScrimAlphaBelowThreshold = mScrimAlpha < NAV_BAR_INVERSION_SCRIM_ALPHA_THRESHOLD;
	if (mHasLightNavigationBar && belowThresholdBefore != mScrimAlphaBelowThreshold) {
	reevaluate();
	}
	}

	public void setScrimColor(GradientColors colors) {
	boolean invertLightNavBarWithScrimBefore = mInvertLightNavBarWithScrim;
	mInvertLightNavBarWithScrim = !colors.supportsDarkText();
	if (mHasLightNavigationBar
	&& invertLightNavBarWithScrimBefore != mInvertLightNavBarWithScrim) {
	reevaluate();
	}
	}

	private boolean isLight(int vis, int barMode, int flag) {
	boolean isTransparentBar = (barMode == MODE_TRANSPARENT
	\|\| barMode == MODE_LIGHTS_OUT_TRANSPARENT);
	boolean allowLight = isTransparentBar && !mBatteryController.isPowerSave();
	boolean light = (vis & flag) != 0;
	return allowLight && light;
	}

	private boolean animateChange() {
	if (mBiometricUnlockController == null) {
	return false;
	}
	int unlockMode = mBiometricUnlockController.getMode();
	return unlockMode != BiometricUnlockController.MODE_WAKE_AND_UNLOCK_PULSING
	&& unlockMode != BiometricUnlockController.MODE_WAKE_AND_UNLOCK;
	}

	private void updateStatus(Rect fullscreenStackBounds, Rect dockedStackBounds) {
	boolean hasDockedStack = !dockedStackBounds.isEmpty();

	// If both are light or fullscreen is light and there is no docked stack, all icons get
	// dark.
	if ((mFullscreenLight && mDockedLight) \|\| (mFullscreenLight && !hasDockedStack)) {
	mStatusBarIconController.setIconsDarkArea(null);
	mStatusBarIconController.getTransitionsController().setIconsDark(true, animateChange());

	}

	// If no one is light or the fullscreen is not light and there is no docked stack,
	// all icons become white.
	else if ((!mFullscreenLight && !mDockedLight) \|\| (!mFullscreenLight && !hasDockedStack)) {
	mStatusBarIconController.getTransitionsController().setIconsDark(
	false, animateChange());
	}

	// Not the same for every stack, magic!
	else {
	Rect bounds = mFullscreenLight ? fullscreenStackBounds : dockedStackBounds;
	if (bounds.isEmpty()) {
	mStatusBarIconController.setIconsDarkArea(null);
	} else {
	mStatusBarIconController.setIconsDarkArea(bounds);
	}
	mStatusBarIconController.getTransitionsController().setIconsDark(true, animateChange());
	}
	}

	private void updateNavigation() {
	if (mNavigationBarController != null) {
	mNavigationBarController.setIconsDark(
	mNavigationLight, animateChange());
	}
	}

	@Override
	public void onBatteryLevelChanged(int level, boolean pluggedIn, boolean charging) {

	}

	@Override
	public void onPowerSaveChanged(boolean isPowerSave) {
	reevaluate();
	}

	@Override
	public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
	pw.println("LightBarController: ");
	pw.print(" mSystemUiVisibility=0x"); pw.print(
	Integer.toHexString(mSystemUiVisibility));
	pw.print(" mFullscreenStackVisibility=0x"); pw.print(
	Integer.toHexString(mFullscreenStackVisibility));
	pw.print(" mDockedStackVisibility=0x"); pw.println(
	Integer.toHexString(mDockedStackVisibility));

	pw.print(" mFullscreenLight="); pw.print(mFullscreenLight);
	pw.print(" mDockedLight="); pw.println(mDockedLight);

	pw.print(" mLastFullscreenBounds="); pw.print(mLastFullscreenBounds);
	pw.print(" mLastDockedBounds="); pw.println(mLastDockedBounds);

	pw.print(" mNavigationLight="); pw.print(mNavigationLight);
	pw.print(" mHasLightNavigationBar="); pw.println(mHasLightNavigationBar);

	pw.print(" mLastStatusBarMode="); pw.print(mLastStatusBarMode);
	pw.print(" mLastNavigationBarMode="); pw.println(mLastNavigationBarMode);

	pw.print(" mScrimAlpha="); pw.print(mScrimAlpha);
	pw.print(" mScrimAlphaBelowThreshold="); pw.println(mScrimAlphaBelowThreshold);
	pw.println();
	pw.println(" StatusBarTransitionsController:");
	mStatusBarIconController.getTransitionsController().dump(fd, pw, args);
	pw.println();
	pw.println(" NavigationBarTransitionsController:");
	if (mNavigationBarController != null) {
	mNavigationBarController.dump(fd, pw, args);
	}
	pw.println();
	}
	}