Feat: Initial Impl to Hide Clock on Home Screen First Page

- TODO : only hide if there's a widget clock

lawnchair/src/app/lawnchair/LawnchairApp.kt

@@ -66,6 +66,31 @@ class LawnchairApp : Application() {
         QuickStepContract.sRecentsDisabled = !recentsEnabled
     }
 
+    fun hideClockInStatusBar() {
+        if (!isRecentsEnabled) return
+        try {
+            val currentBlacklist = Settings.Secure.getString(contentResolver, "icon_blacklist") ?: ""
+            val newBlacklist = if (currentBlacklist.contains("clock")) {
+                currentBlacklist
+            } else {
+                "$currentBlacklist,clock"
+            }
+            Settings.Secure.putString(contentResolver, "icon_blacklist", newBlacklist)
+        } catch (_: Exception) {
+            // ignore
+        }
+    }
+
+    fun restoreClockInStatusBar() {
+        if (!isRecentsEnabled) return
+        try {
+            val currentBlacklist = Settings.Secure.getString(contentResolver, "icon_blacklist") ?: ""
+            val newBlacklist = currentBlacklist.split(",").filter { it != "clock" }.joinToString(",")
+            Settings.Secure.putString(contentResolver, "icon_blacklist", newBlacklist)
+        } catch (_: Exception) {
+        }
+    }
+
     fun onLauncherAppStateCreated() {
         registerActivityLifecycleCallbacks(activityHandler)
     }

lawnchair/src/app/lawnchair/LawnchairLauncher.kt

@@ -61,6 +61,7 @@ import com.android.launcher3.statemanager.StateManager
 import com.android.launcher3.statemanager.StateManager.StateHandler
 import com.android.launcher3.uioverrides.QuickstepLauncher
 import com.android.launcher3.uioverrides.states.AllAppsState
+import com.android.launcher3.uioverrides.states.BackgroundAppState
 import com.android.launcher3.uioverrides.states.OverviewState
 import com.android.launcher3.util.ActivityOptionsWrapper
 import com.android.launcher3.util.Executors
@@ -109,6 +110,23 @@ class LawnchairLauncher : QuickstepLauncher() {
         }
         override fun onStateTransitionComplete(finalState: LauncherState) {}
     }
+    private val statusBarClockListener = object : StateManager.StateListener<LauncherState> {
+        override fun onStateTransitionStart(toState: LauncherState) {
+            when (toState) {
+                is BackgroundAppState,
+                is OverviewState,
+                is AllAppsState,
+                -> {
+                    LawnchairApp.instance.restoreClockInStatusBar()
+                }
+                else -> {
+                    workspace.updateStatusbarClock()
+                }
+            }
+        }
+        override fun onStateTransitionComplete(finalState: LauncherState) {}
+    }
+
     private lateinit var colorScheme: ColorScheme
     private var hasBackGesture = false
 
@@ -158,6 +176,8 @@ class LawnchairLauncher : QuickstepLauncher() {
             }
         }.launchIn(scope = lifecycleScope)
 
+        launcher.stateManager.addStateListener(statusBarClockListener)
+
         preferenceManager2.rememberPosition.get().onEach {
             with(launcher.stateManager) {
                 if (it) {

src/com/android/launcher3/Workspace.java

@@ -31,7 +31,6 @@ import static com.android.launcher3.LauncherState.HINT_STATE;
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.LauncherState.SPRING_LOADED;
 import static com.android.launcher3.MotionEventsUtils.isTrackpadMultiFingerSwipe;
-import static com.android.launcher3.Utilities.SHOULD_SHOW_FIRST_PAGE_WIDGET;
 import static com.android.launcher3.anim.AnimatorListeners.forSuccessCallback;
 import static com.android.launcher3.config.FeatureFlags.FOLDABLE_SINGLE_PAGE;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
@@ -55,7 +54,6 @@ import android.graphics.Bitmap;
 import android.graphics.Point;
 import android.graphics.PointF;
 import android.graphics.Rect;
-import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.os.Handler;
 import android.os.Message;
@@ -75,9 +73,7 @@ import android.widget.Toast;
 
 import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
-import androidx.core.graphics.drawable.DrawableKt;
 
-import com.android.launcher3.Utilities;
 import com.android.app.animation.Interpolators;
 import com.android.launcher3.accessibility.AccessibleDragListenerAdapter;
 import com.android.launcher3.accessibility.WorkspaceAccessibilityHelper;
@@ -135,8 +131,6 @@ import com.android.launcher3.widget.PendingAddWidgetInfo;
 import com.android.launcher3.widget.PendingAppWidgetHostView;
 import com.android.launcher3.widget.WidgetManagerHelper;
 import com.android.launcher3.widget.util.WidgetSizes;
-import com.android.systemui.plugins.shared.LauncherOverlayManager.LauncherOverlay;
-import com.google.android.renderscript.Toolkit;
 import com.patrykmichalik.opto.core.PreferenceExtensionsKt;
 import com.android.systemui.plugins.shared.LauncherOverlayManager.LauncherOverlayCallbacks;
 import com.android.systemui.plugins.shared.LauncherOverlayManager.LauncherOverlayTouchProxy;
@@ -148,6 +142,8 @@ import java.util.function.Consumer;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
 
+import app.lawnchair.LawnchairApp;
+import app.lawnchair.LawnchairAppKt;
 import app.lawnchair.preferences.PreferenceManager;
 import app.lawnchair.preferences2.PreferenceManager2;
 import app.lawnchair.smartspace.SmartspaceAppWidgetProvider;
@@ -615,6 +611,7 @@ public class Workspace<T extends View & PageIndicator> extends PagedView<T>
                     }
                     stateManager.removeStateListener(this);
                 }
+                updateStatusbarClock();
             }
         });
 
@@ -635,6 +632,14 @@ public class Workspace<T extends View & PageIndicator> extends PagedView<T>
         setWallpaperDimension();
     }
 
+    public void updateStatusbarClock() {
+        if (mCurrentPage == 0) {
+            LawnchairAppKt.getLawnchairApp(mLauncher).hideClockInStatusBar();
+        } else {
+            LawnchairAppKt.getLawnchairApp(mLauncher).restoreClockInStatusBar();
+        }
+    }
+
     private void setupLayoutTransition() {
         // We want to show layout transitions when pages are deleted, to close the gap.
         mLayoutTransition = new LayoutTransition();
@@ -1511,6 +1516,7 @@ public class Workspace<T extends View & PageIndicator> extends PagedView<T>
                                             .setPageIndex(prevPage))
                             .build())
                     .log(event);
+            updateStatusbarClock();
         }
     }