Merge "System Bars: Ensure contrast when app requested transparent bar" into qt-dev (b5258351) · Commits · e / os / android_frameworks_base

core/java/android/app/Activity.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -132,6 +132,7 @@ import android.widget.AdapterView;
		import android.widget.Toast;
		import android.widget.Toolbar;

		import com.android.internal.R;
		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.app.IVoiceInteractor;
		@@ -4904,6 +4905,17 @@ public class Activity extends ContextThemeWrapper
		mTaskDescription.setNavigationBarColor(navigationBarColor);
		}

		final int targetSdk = getApplicationInfo().targetSdkVersion;
		final boolean targetPreQ = targetSdk < Build.VERSION_CODES.Q;
		if (!targetPreQ) {
		mTaskDescription.setEnsureStatusBarContrastWhenTransparent(a.getBoolean(
		R.styleable.ActivityTaskDescription_ensureStatusBarContrastWhenTransparent,
		false));
		mTaskDescription.setEnsureNavigationBarContrastWhenTransparent(a.getBoolean(
		R.styleable.ActivityTaskDescription_ensureNavigationBarContrastWhenTransparent,
		true));
		}

		a.recycle();
		setTaskDescription(mTaskDescription);
		}

core/java/android/app/ActivityManager.java

+60 −9

Original line number	Diff line number	Diff line
		@@ -986,6 +986,8 @@ public class ActivityManager {
		private int mColorBackground;
		private int mStatusBarColor;
		private int mNavigationBarColor;
		private boolean mEnsureStatusBarContrastWhenTransparent;
		private boolean mEnsureNavigationBarContrastWhenTransparent;

		/**
		* Creates the TaskDescription to the specified values.
		@@ -998,7 +1000,7 @@ public class ActivityManager {
		*/
		@Deprecated
		public TaskDescription(String label, Bitmap icon, int colorPrimary) {
		this(label, icon, 0, null, colorPrimary, 0, 0, 0);
		this(label, icon, 0, null, colorPrimary, 0, 0, 0, false, false);
		if ((colorPrimary != 0) && (Color.alpha(colorPrimary) != 255)) {
		throw new RuntimeException("A TaskDescription's primary color should be opaque");
		}
		@@ -1014,7 +1016,7 @@ public class ActivityManager {
		* opaque.
		*/
		public TaskDescription(String label, @DrawableRes int iconRes, int colorPrimary) {
		this(label, null, iconRes, null, colorPrimary, 0, 0, 0);
		this(label, null, iconRes, null, colorPrimary, 0, 0, 0, false, false);
		if ((colorPrimary != 0) && (Color.alpha(colorPrimary) != 255)) {
		throw new RuntimeException("A TaskDescription's primary color should be opaque");
		}
		@@ -1029,7 +1031,7 @@ public class ActivityManager {
		*/
		@Deprecated
		public TaskDescription(String label, Bitmap icon) {
		this(label, icon, 0, null, 0, 0, 0, 0);
		this(label, icon, 0, null, 0, 0, 0, 0, false, false);
		}

		/**
		@@ -1040,7 +1042,7 @@ public class ActivityManager {
		* activity.
		*/
		public TaskDescription(String label, @DrawableRes int iconRes) {
		this(label, null, iconRes, null, 0, 0, 0, 0);
		this(label, null, iconRes, null, 0, 0, 0, 0, false, false);
		}

		/**
		@@ -1049,19 +1051,21 @@ public class ActivityManager {
		* @param label A label and description of the current state of this activity.
		*/
		public TaskDescription(String label) {
		this(label, null, 0, null, 0, 0, 0, 0);
		this(label, null, 0, null, 0, 0, 0, 0, false, false);
		}

		/**
		* Creates an empty TaskDescription.
		*/
		public TaskDescription() {
		this(null, null, 0, null, 0, 0, 0, 0);
		this(null, null, 0, null, 0, 0, 0, 0, false, false);
		}

		/** @hide */
		public TaskDescription(String label, Bitmap bitmap, int iconRes, String iconFilename,
		int colorPrimary, int colorBackground, int statusBarColor, int navigationBarColor) {
		int colorPrimary, int colorBackground, int statusBarColor, int navigationBarColor,
		boolean ensureStatusBarContrastWhenTransparent,
		boolean ensureNavigationBarContrastWhenTransparent) {
		mLabel = label;
		mIcon = bitmap;
		mIconRes = iconRes;
		@@ -1070,6 +1074,9 @@ public class ActivityManager {
		mColorBackground = colorBackground;
		mStatusBarColor = statusBarColor;
		mNavigationBarColor = navigationBarColor;
		mEnsureStatusBarContrastWhenTransparent = ensureStatusBarContrastWhenTransparent;
		mEnsureNavigationBarContrastWhenTransparent =
		ensureNavigationBarContrastWhenTransparent;
		}

		/**
		@@ -1092,6 +1099,9 @@ public class ActivityManager {
		mColorBackground = other.mColorBackground;
		mStatusBarColor = other.mStatusBarColor;
		mNavigationBarColor = other.mNavigationBarColor;
		mEnsureStatusBarContrastWhenTransparent = other.mEnsureStatusBarContrastWhenTransparent;
		mEnsureNavigationBarContrastWhenTransparent =
		other.mEnsureNavigationBarContrastWhenTransparent;
		}

		/**
		@@ -1114,6 +1124,9 @@ public class ActivityManager {
		if (other.mNavigationBarColor != 0) {
		mNavigationBarColor = other.mNavigationBarColor;
		}
		mEnsureStatusBarContrastWhenTransparent = other.mEnsureStatusBarContrastWhenTransparent;
		mEnsureNavigationBarContrastWhenTransparent =
		other.mEnsureNavigationBarContrastWhenTransparent;
		}

		private TaskDescription(Parcel source) {
		@@ -1272,6 +1285,37 @@ public class ActivityManager {
		return mNavigationBarColor;
		}

		/**
		* @hide
		*/
		public boolean getEnsureStatusBarContrastWhenTransparent() {
		return mEnsureStatusBarContrastWhenTransparent;
		}

		/**
		* @hide
		*/
		public void setEnsureStatusBarContrastWhenTransparent(
		boolean ensureStatusBarContrastWhenTransparent) {
		mEnsureStatusBarContrastWhenTransparent = ensureStatusBarContrastWhenTransparent;
		}

		/**
		* @hide
		*/
		public boolean getEnsureNavigationBarContrastWhenTransparent() {
		return mEnsureNavigationBarContrastWhenTransparent;
		}

		/**
		* @hide
		*/
		public void setEnsureNavigationBarContrastWhenTransparent(
		boolean ensureNavigationBarContrastWhenTransparent) {
		mEnsureNavigationBarContrastWhenTransparent =
		ensureNavigationBarContrastWhenTransparent;
		}

		/** @hide */
		public void saveToXml(XmlSerializer out) throws IOException {
		if (mLabel != null) {
		@@ -1332,6 +1376,8 @@ public class ActivityManager {
		dest.writeInt(mColorBackground);
		dest.writeInt(mStatusBarColor);
		dest.writeInt(mNavigationBarColor);
		dest.writeBoolean(mEnsureStatusBarContrastWhenTransparent);
		dest.writeBoolean(mEnsureNavigationBarContrastWhenTransparent);
		if (mIconFilename == null) {
		dest.writeInt(0);
		} else {
		@@ -1348,6 +1394,8 @@ public class ActivityManager {
		mColorBackground = source.readInt();
		mStatusBarColor = source.readInt();
		mNavigationBarColor = source.readInt();
		mEnsureStatusBarContrastWhenTransparent = source.readBoolean();
		mEnsureNavigationBarContrastWhenTransparent = source.readBoolean();
		mIconFilename = source.readInt() > 0 ? source.readString() : null;
		}

		@@ -1366,8 +1414,11 @@ public class ActivityManager {
		return "TaskDescription Label: " + mLabel + " Icon: " + mIcon +
		" IconRes: " + mIconRes + " IconFilename: " + mIconFilename +
		" colorPrimary: " + mColorPrimary + " colorBackground: " + mColorBackground +
		" statusBarColor: " + mColorBackground +
		" navigationBarColor: " + mNavigationBarColor;
		" statusBarColor: " + mStatusBarColor + (
		mEnsureStatusBarContrastWhenTransparent ? " (contrast when transparent)"
		: "") + " navigationBarColor: " + mNavigationBarColor + (
		mEnsureNavigationBarContrastWhenTransparent
		? " (contrast when transparent)" : "");
		}
		}

core/java/android/view/Window.java

+64 −0

Original line number	Diff line number	Diff line
		@@ -2329,6 +2329,70 @@ public abstract class Window {
		return 0;
		}

		/**
		* Sets whether the system should ensure that the status bar has enough
		* contrast when a fully transparent background is requested.
		*
		* <p>If set to this value, the system will determine whether a scrim is necessary
		* to ensure that the status bar has enough contrast with the contents of
		* this app, and set an appropriate effective bar background color accordingly.
		*
		* <p>When the status bar color has a non-zero alpha value, the value of this
		* property has no effect.
		*
		* @see android.R.attr#ensureStatusBarContrastWhenTransparent
		* @hide pending API
		*/
		public void setEnsureStatusBarContrastWhenTransparent(boolean ensureContrast) {
		}

		/**
		* Returns whether the system is ensuring that the status bar has enough contrast when a
		* fully transparent background is requested.
		*
		* <p>When the status bar color has a non-zero alpha value, the value of this
		* property has no effect.
		*
		* @see android.R.attr#ensureStatusBarContrastWhenTransparent
		* @return true, if the system is ensuring contrast, false otherwise.
		* @hide pending API
		*/
		public boolean isEnsureStatusBarContrastWhenTransparent() {
		return false;
		}

		/**
		* Sets whether the system should ensure that the navigation bar has enough
		* contrast when a fully transparent background is requested.
		*
		* <p>If set to this value, the system will determine whether a scrim is necessary
		* to ensure that the navigation bar has enough contrast with the contents of
		* this app, and set an appropriate effective bar background color accordingly.
		*
		* <p>When the navigation bar color has a non-zero alpha value, the value of this
		* property has no effect.
		*
		* @see android.R.attr#ensureNavigationBarContrastWhenTransparent
		* @hide pending API
		*/
		public void setEnsureNavigationBarContrastWhenTransparent(boolean ensureContrast) {
		}

		/**
		* Returns whether the system is ensuring that the navigation bar has enough contrast when a
		* fully transparent background is requested.
		*
		* <p>When the navigation bar color has a non-zero alpha value, the value of this
		* property has no effect.
		*
		* @return true, if the system is ensuring contrast, false otherwise.
		* @see android.R.attr#ensureNavigationBarContrastWhenTransparent
		* @hide pending API
		*/
		public boolean isEnsureNavigationBarContrastWhenTransparent() {
		return false;
		}

		/** @hide */
		public void setTheme(int resId) {
		}

core/java/com/android/internal/policy/DecorView.java

+21 −6

Original line number	Diff line number	Diff line
		@@ -38,6 +38,7 @@ import static android.view.WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
		import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
		import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
		import static android.view.WindowManager.LayoutParams.TYPE_DRAWN_APPLICATION;

		import static com.android.internal.policy.PhoneWindow.FEATURE_OPTIONS_PANEL;

		import android.animation.Animator;
		@@ -125,6 +126,8 @@ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, Wind
		// The height of a window which has not in DIP.
		private final static int DECOR_SHADOW_UNFOCUSED_HEIGHT_IN_DIP = 5;

		private static final int SCRIM_LIGHT = 0x99ffffff; // 60% white

		public static final ColorViewAttributes STATUS_BAR_COLOR_VIEW_ATTRIBUTES =
		new ColorViewAttributes(SYSTEM_UI_FLAG_FULLSCREEN, FLAG_TRANSLUCENT_STATUS,
		Gravity.TOP, Gravity.LEFT, Gravity.RIGHT,
		@@ -1237,19 +1240,31 @@ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, Wind

		private int calculateStatusBarColor() {
		return calculateBarColor(mWindow.getAttributes().flags, FLAG_TRANSLUCENT_STATUS,
		mSemiTransparentBarColor, mWindow.mStatusBarColor);
		mSemiTransparentBarColor, mWindow.mStatusBarColor,
		getWindowSystemUiVisibility(), SYSTEM_UI_FLAG_LIGHT_STATUS_BAR,
		mWindow.mEnsureStatusBarContrastWhenTransparent);
		}

		private int calculateNavigationBarColor() {
		return calculateBarColor(mWindow.getAttributes().flags, FLAG_TRANSLUCENT_NAVIGATION,
		mSemiTransparentBarColor, mWindow.mNavigationBarColor);
		mSemiTransparentBarColor, mWindow.mNavigationBarColor,
		getWindowSystemUiVisibility(), SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR,
		mWindow.mEnsureNavigationBarContrastWhenTransparent
		&& getContext().getResources().getBoolean(R.bool.config_navBarNeedsScrim));
		}

		public static int calculateBarColor(int flags, int translucentFlag, int semiTransparentBarColor,
		int barColor) {
		return (flags & translucentFlag) != 0 ? semiTransparentBarColor
		: (flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0 ? barColor
		: Color.BLACK;
		int barColor, int sysuiVis, int lightSysuiFlag, boolean scrimTransparent) {
		if ((flags & translucentFlag) != 0) {
		return semiTransparentBarColor;
		} else if ((flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
		return Color.BLACK;
		} else if (scrimTransparent && barColor == Color.TRANSPARENT) {
		boolean light = (sysuiVis & lightSysuiFlag) != 0;
		return light ? SCRIM_LIGHT : semiTransparentBarColor;
		} else {
		return barColor;
		}
		}

		private int getCurrentColor(ColorViewState state) {

core/java/com/android/internal/policy/PhoneWindow.java

+37 −0

Original line number	Diff line number	Diff line
		@@ -50,6 +50,7 @@ import android.media.AudioManager;
		import android.media.session.MediaController;
		import android.media.session.MediaSessionManager;
		import android.net.Uri;
		import android.os.Build;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.Parcel;
		@@ -247,6 +248,9 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
		private boolean mForcedStatusBarColor = false;
		private boolean mForcedNavigationBarColor = false;

		boolean mEnsureStatusBarContrastWhenTransparent;
		boolean mEnsureNavigationBarContrastWhenTransparent;

		@UnsupportedAppUsage
		private CharSequence mTitle = null;

		@@ -2439,6 +2443,7 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
		final boolean targetPreHoneycomb = targetSdk < android.os.Build.VERSION_CODES.HONEYCOMB;
		final boolean targetPreIcs = targetSdk < android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH;
		final boolean targetPreL = targetSdk < android.os.Build.VERSION_CODES.LOLLIPOP;
		final boolean targetPreQ = targetSdk < Build.VERSION_CODES.Q;
		final boolean targetHcNeedsOptions = context.getResources().getBoolean(
		R.bool.target_honeycomb_needs_options_menu);
		final boolean noActionBar = !hasFeature(FEATURE_ACTION_BAR) \|\| hasFeature(FEATURE_NO_TITLE);
		@@ -2457,6 +2462,12 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
		mNavigationBarDividerColor = a.getColor(R.styleable.Window_navigationBarDividerColor,
		0x00000000);
		}
		if (!targetPreQ) {
		mEnsureStatusBarContrastWhenTransparent = a.getBoolean(
		R.styleable.Window_ensureStatusBarContrastWhenTransparent, false);
		mEnsureNavigationBarContrastWhenTransparent = a.getBoolean(
		R.styleable.Window_ensureNavigationBarContrastWhenTransparent, true);
		}

		WindowManager.LayoutParams params = getAttributes();

		@@ -3845,6 +3856,32 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
		return mNavigationBarDividerColor;
		}

		@Override
		public void setEnsureStatusBarContrastWhenTransparent(boolean ensureContrast) {
		mEnsureStatusBarContrastWhenTransparent = ensureContrast;
		if (mDecor != null) {
		mDecor.updateColorViews(null, false /* animate */);
		}
		}

		@Override
		public boolean isEnsureStatusBarContrastWhenTransparent() {
		return mEnsureStatusBarContrastWhenTransparent;
		}

		@Override
		public void setEnsureNavigationBarContrastWhenTransparent(boolean ensureContrast) {
		mEnsureNavigationBarContrastWhenTransparent = ensureContrast;
		if (mDecor != null) {
		mDecor.updateColorViews(null, false /* animate */);
		}
		}

		@Override
		public boolean isEnsureNavigationBarContrastWhenTransparent() {
		return mEnsureNavigationBarContrastWhenTransparent;
		}

		public void setIsStartingWindow(boolean isStartingWindow) {
		mIsStartingWindow = isStartingWindow;
		}