commit d987a828e8fb328a7da976e9e86a259e65eb1f20
author Vinit Nayak <peanutbutter@google.com> Mon Feb 22 14:49:27 2021 -0800
committer Vinit Nayak <peanutbutter@google.com> Mon Mar 15 15:42:32 2021 -0700
tree 428bdfba07ebcc005ef93d1559a4839fe1814e67
parent 510fc67c559cedc05fb8d6780f9e566b1e0e2cb8

Initial commit of new split screen work.

TODO:
* Extract out common elements in TaskShortcutFactory.MultiWindowFactory
for commonalities between new and old way of
invoking split screen
* Integrate with WM APIs (b/182002789)
* Write tests for SplitSelectStateController

Bug: 181704764

Change-Id: Ice35adb4ea82897f5e2433dc9b93a549f3d511b5

src/com/android/launcher3/LauncherState.java

diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index 21c40ef..aa97450 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -22,6 +22,7 @@
 import static com.android.launcher3.testing.TestProtocol.HINT_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.NORMAL_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.OVERVIEW_MODAL_TASK_STATE_ORDINAL;
+import static com.android.launcher3.testing.TestProtocol.OVERVIEW_SPLIT_SELECT_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.OVERVIEW_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.QUICK_SWITCH_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.SPRING_LOADED_STATE_ORDINAL;
@@ -60,6 +61,7 @@
     public static final int TASKBAR = 1 << 7;
     public static final int CLEAR_ALL_BUTTON = 1 << 8;
     public static final int WORKSPACE_PAGE_INDICATOR = 1 << 9;
+    public static final int SPLIT_PLACHOLDER_VIEW = 1 << 10;
 
     /** Mask of all the items that are contained in the apps view. */
     public static final int APPS_VIEW_ITEM_MASK =
@@ -126,6 +128,8 @@
             OverviewState.newSwitchState(QUICK_SWITCH_STATE_ORDINAL);
     public static final LauncherState BACKGROUND_APP =
             OverviewState.newBackgroundState(BACKGROUND_APP_STATE_ORDINAL);
+    public static final LauncherState OVERVIEW_SPLIT_SELECT =
+            OverviewState.newSplitSelectState(OVERVIEW_SPLIT_SELECT_ORDINAL);
 
     public final int ordinal;
 
@@ -241,6 +245,14 @@
     }
 
     /**
+     * For this state, how much additional vertical translation there should be for each of the
+     * child TaskViews.
+     */
+    public float getOverviewSecondaryTranslation(Launcher launcher) {
+        return 0;
+    }
+
+    /**
      * The amount of blur and wallpaper zoom to apply to the background of either the app
      * or Launcher surface in this state. Should be a number between 0 and 1, inclusive.
      *