Allow gestural nav to hide the bar and background (596633ff) · Commits · e / os / android_frameworks_base

packages/SystemUI/res/values/config.xml

+3 −0

Original line number	Diff line number	Diff line
		@@ -588,4 +588,7 @@

		<!-- Determines whether the shell features all run on another thread. -->
		<bool name="config_enableShellMainThread">false</bool>

		<!-- Determines whether to allow the nav bar handle to be forced to be opaque. -->
		<bool name="allow_force_nav_bar_handle_opaque">true</bool>
		</resources>

packages/SystemUI/shared/src/com/android/systemui/shared/recents/ISystemUiProxy.aidl

+2 −8

Original line number	Diff line number	Diff line
		@@ -62,16 +62,10 @@ interface ISystemUiProxy {
		*/
		Rect getNonMinimizedSplitScreenSecondaryBounds() = 7;

		/**
		* Control the {@param alpha} of the back button in the navigation bar and {@param animate} if
		* needed from current value
		* @deprecated
		*/
		void setBackButtonAlpha(float alpha, boolean animate) = 8;

		/**
		* Control the {@param alpha} of the option nav bar button (back-button in 2 button mode
		* and home bar in no-button mode) and {@param animate} if needed from current value
		* and home handle & background in gestural mode). The {@param animate} is currently only
		* supported for 2 button mode.
		*/
		void setNavBarButtonAlpha(float alpha, boolean animate) = 19;

packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBar.java

+23 −4

Original line number	Diff line number	Diff line
		@@ -211,6 +211,7 @@ public class NavigationBar implements View.OnAttachStateChangeListener,
		private Locale mLocale;
		private int mLayoutDirection;

		private boolean mAllowForceNavBarHandleOpaque;
		private boolean mForceNavBarHandleOpaque;
		private boolean mIsCurrentUserSetup;

		@@ -333,13 +334,23 @@ public class NavigationBar implements View.OnAttachStateChangeListener,
		// If the current user is not yet setup, then don't update any button alphas
		return;
		}
		if (QuickStepContract.isLegacyMode(mNavBarMode)) {
		// Don't allow the bar buttons to be affected by the alpha
		return;
		}

		ButtonDispatcher buttonDispatcher = null;
		boolean forceVisible = false;
		if (QuickStepContract.isSwipeUpMode(mNavBarMode)) {
		buttonDispatcher = mNavigationBarView.getBackButton();
		} else if (QuickStepContract.isGesturalMode(mNavBarMode)) {
		forceVisible = mForceNavBarHandleOpaque;
		if (QuickStepContract.isGesturalMode(mNavBarMode)) {
		// Disallow home handle animations when in gestural
		animate = false;
		forceVisible = mAllowForceNavBarHandleOpaque && mForceNavBarHandleOpaque;
		buttonDispatcher = mNavigationBarView.getHomeHandle();
		if (getBarTransitions() != null) {
		getBarTransitions().setBackgroundOverrideAlpha(alpha);
		}
		} else if (QuickStepContract.isSwipeUpMode(mNavBarMode)) {
		buttonDispatcher = mNavigationBarView.getBackButton();
		}
		if (buttonDispatcher != null) {
		buttonDispatcher.setVisibility(
		@@ -506,6 +517,8 @@ public class NavigationBar implements View.OnAttachStateChangeListener,
		// Respect the latest disabled-flags.
		mCommandQueue.recomputeDisableFlags(mDisplayId, false);

		mAllowForceNavBarHandleOpaque = mContext.getResources().getBoolean(
		R.bool.allow_force_nav_bar_handle_opaque);
		mForceNavBarHandleOpaque = DeviceConfig.getBoolean(
		DeviceConfig.NAMESPACE_SYSTEMUI,
		NAV_BAR_HANDLE_FORCE_OPAQUE,
		@@ -1468,6 +1481,12 @@ public class NavigationBar implements View.OnAttachStateChangeListener,
		@Override
		public void onNavigationModeChanged(int mode) {
		mNavBarMode = mode;
		if (!QuickStepContract.isGesturalMode(mode)) {
		// Reset the override alpha
		if (getBarTransitions() != null) {
		getBarTransitions().setBackgroundOverrideAlpha(1f);
		}
		}
		updateScreenPinningGestures();

		if (!canShowSecondaryHandle()) {

packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBarTransitions.java

+18 −0

Original line number	Diff line number	Diff line
		@@ -36,6 +36,7 @@ import com.android.systemui.statusbar.CommandQueue;
		import com.android.systemui.statusbar.phone.BarTransitions;
		import com.android.systemui.statusbar.phone.LightBarTransitionsController;

		import java.io.PrintWriter;
		import java.util.ArrayList;
		import java.util.List;

		@@ -135,6 +136,10 @@ public final class NavigationBarTransitions extends BarTransitions implements
		mBarBackground.setFrame(frame);
		}

		void setBackgroundOverrideAlpha(float alpha) {
		mBarBackground.setOverrideAlpha(alpha);
		}

		@Override
		protected boolean isLightsOut(int mode) {
		return super.isLightsOut(mode) \|\| (mAllowAutoDimWallpaperNotVisible && mAutoDim
		@@ -230,4 +235,17 @@ public final class NavigationBarTransitions extends BarTransitions implements
		public void removeDarkIntensityListener(DarkIntensityListener listener) {
		mDarkIntensityListeners.remove(listener);
		}

		public void dump(PrintWriter pw) {
		pw.println("NavigationBarTransitions:");
		pw.println(" mMode: " + getMode());
		pw.println(" mAlwaysOpaque: " + isAlwaysOpaque());
		pw.println(" mAllowAutoDimWallpaperNotVisible: " + mAllowAutoDimWallpaperNotVisible);
		pw.println(" mWallpaperVisible: " + mWallpaperVisible);
		pw.println(" mLightsOut: " + mLightsOut);
		pw.println(" mAutoDim: " + mAutoDim);
		pw.println(" bg overrideAlpha: " + mBarBackground.getOverrideAlpha());
		pw.println(" bg color: " + mBarBackground.getColor());
		pw.println(" bg frame: " + mBarBackground.getFrame());
		}
		}

packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBarView.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -1158,6 +1158,8 @@ public class NavigationBarView extends FrameLayout implements
		int frameHeight = getResources().getDimensionPixelSize(
		com.android.internal.R.dimen.navigation_bar_frame_height);
		mBarTransitions.setBackgroundFrame(new Rect(0, frameHeight - height, w, h));
		} else {
		mBarTransitions.setBackgroundFrame(null);
		}

		super.onMeasure(widthMeasureSpec, heightMeasureSpec);
		@@ -1331,6 +1333,7 @@ public class NavigationBarView extends FrameLayout implements
		if (mNavigationInflaterView != null) {
		mNavigationInflaterView.dump(pw);
		}
		mBarTransitions.dump(pw);
		mContextualButtonGroup.dump(pw);
		mRecentsOnboarding.dump(pw);
		mRegionSamplingHelper.dump(pw);