commit cd7c0aad5fd7245981fe615103ea62c85239a2bb
author Sunny Goyal <sunnygoyal@google.com> Thu Oct 19 12:36:27 2017 -0700
committer Sunny Goyal <sunnygoyal@google.com> Thu Oct 19 12:37:11 2017 -0700
tree 3cce7b845c34af60ae34d70b7a57a44fabb4bb35
parent f9403d92fa872a9f9f487540dc989df7b80db8b8

Changing LauncherState to a class to allow adding custom functionality

Bug: 67678570
Change-Id: I777e335e9fdf7014b041addff6b8e54fb94167bb

src/com/android/launcher3/LauncherState.java

diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index c51b920..4619f4e 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -21,34 +21,41 @@
 import static com.android.launcher3.LauncherAnimUtils.ALL_APPS_TRANSITION_MS;
 import static com.android.launcher3.LauncherAnimUtils.OVERVIEW_TRANSITION_MS;
 import static com.android.launcher3.LauncherAnimUtils.SPRING_LOADED_TRANSITION_MS;
-import static com.android.launcher3.StateFlags.FLAG_DISABLE_ACCESSIBILITY;
-import static com.android.launcher3.StateFlags.FLAG_DO_NOT_RESTORE;
-import static com.android.launcher3.StateFlags.FLAG_HIDE_HOTSEAT;
-import static com.android.launcher3.StateFlags.FLAG_MULTI_PAGE;
-import static com.android.launcher3.StateFlags.FLAG_SHOW_SCRIM;
 
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 
-interface StateFlags {
-    int FLAG_SHOW_SCRIM = 1 << 0;
-    int FLAG_MULTI_PAGE = 1 << 1;
-    int FLAG_HIDE_HOTSEAT = 1 << 2;
-    int FLAG_DISABLE_ACCESSIBILITY = 1 << 3;
-    int FLAG_DO_NOT_RESTORE = 1 << 4;
-}
+import java.util.Arrays;
+
 
 /**
  * Various states for launcher
  */
-public enum LauncherState {
+public class LauncherState {
 
-    NORMAL          (ContainerType.WORKSPACE, 0, FLAG_DO_NOT_RESTORE),
-    ALL_APPS        (ContainerType.ALLAPPS, ALL_APPS_TRANSITION_MS, FLAG_DISABLE_ACCESSIBILITY),
-    SPRING_LOADED   (ContainerType.WORKSPACE, SPRING_LOADED_TRANSITION_MS,
-            FLAG_SHOW_SCRIM | FLAG_MULTI_PAGE | FLAG_DISABLE_ACCESSIBILITY | FLAG_DO_NOT_RESTORE),
-    OVERVIEW        (ContainerType.OVERVIEW, OVERVIEW_TRANSITION_MS,
+    protected static final int FLAG_SHOW_SCRIM = 1 << 0;
+    protected static final int FLAG_MULTI_PAGE = 1 << 1;
+    protected static final int FLAG_HIDE_HOTSEAT = 1 << 2;
+    protected static final int FLAG_DISABLE_ACCESSIBILITY = 1 << 3;
+    protected static final int FLAG_DO_NOT_RESTORE = 1 << 4;
+
+    private static final LauncherState[] sAllStates = new LauncherState[4];
+
+    public static LauncherState NORMAL = new LauncherState(0, ContainerType.WORKSPACE,
+            0, FLAG_DO_NOT_RESTORE);
+
+    public static LauncherState ALL_APPS = new LauncherState(1, ContainerType.ALLAPPS,
+            ALL_APPS_TRANSITION_MS, FLAG_DISABLE_ACCESSIBILITY);
+
+    public static LauncherState SPRING_LOADED = new LauncherState(2, ContainerType.WORKSPACE,
+            SPRING_LOADED_TRANSITION_MS,
+            FLAG_SHOW_SCRIM | FLAG_MULTI_PAGE | FLAG_DISABLE_ACCESSIBILITY | FLAG_DO_NOT_RESTORE);
+
+    public static LauncherState OVERVIEW = new LauncherState(3, ContainerType.OVERVIEW,
+            OVERVIEW_TRANSITION_MS,
             FLAG_SHOW_SCRIM | FLAG_MULTI_PAGE | FLAG_HIDE_HOTSEAT | FLAG_DO_NOT_RESTORE);
 
+    public final int ordinal;
+
     /**
      * Used for containerType in {@link com.android.launcher3.logging.UserEventDispatcher}
      */
@@ -75,7 +82,7 @@
     public final boolean hideHotseat;
     public final int transitionDuration;
 
-    LauncherState(int containerType, int transitionDuration, int flags) {
+    public LauncherState(int id, int containerType, int transitionDuration, int flags) {
         this.containerType = containerType;
         this.transitionDuration = transitionDuration;
 
@@ -86,5 +93,12 @@
                 ? IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS
                 : IMPORTANT_FOR_ACCESSIBILITY_AUTO;
         this.doNotRestore = (flags & FLAG_DO_NOT_RESTORE) != 0;
+
+        this.ordinal = id;
+        sAllStates[id] = this;
+    }
+
+    public static LauncherState[] values() {
+        return Arrays.copyOf(sAllStates, sAllStates.length);
     }
 }