Teach UiModeMgr about high-end and low-end desk docks.

Should fix dock mode on Stingray, since its docks advertise
themselves as EXTRA_DOCK_STATE_LE_DESK and
EXTRA_DOCK_STATE_HE_DESK but not EXTRA_DOCK_STATE_DESK.

Bug: 5569662
Change-Id: I93197665c0df8dea06ca8fadae97ec267c751c85
diff --git a/services/java/com/android/server/UiModeManagerService.java b/services/java/com/android/server/UiModeManagerService.java
index 431cc39..280b329 100644
--- a/services/java/com/android/server/UiModeManagerService.java
+++ b/services/java/com/android/server/UiModeManagerService.java
@@ -123,6 +123,10 @@
         @Override
         public void onReceive(Context context, Intent intent) {
             if (getResultCode() != Activity.RESULT_OK) {
+                if (LOG) {
+                    Slog.v(TAG, "Handling broadcast result for action " + intent.getAction() 
+                            + ": canceled: " + getResultCode());
+                }
                 return;
             }
 
@@ -151,6 +155,12 @@
                         category = Intent.CATEGORY_HOME;
                     }
                 }
+
+                if (LOG) {
+                    Slog.v(TAG, String.format(
+                        "Handling broadcast result for action %s: enable=0x%08x disable=0x%08x category=%s", 
+                        intent.getAction(), enableFlags, disableFlags, category));
+                }
                 
                 if (category != null) {
                     // This is the new activity that will serve as home while
@@ -424,11 +434,22 @@
         }
     }
 
+    final static boolean isDeskDockState(int state) {
+        switch (state) {
+            case Intent.EXTRA_DOCK_STATE_DESK:
+            case Intent.EXTRA_DOCK_STATE_LE_DESK:
+            case Intent.EXTRA_DOCK_STATE_HE_DESK:
+                return true;
+            default:
+                return false;
+        }
+    }
+
     final void updateConfigurationLocked(boolean sendIt) {
         int uiMode = Configuration.UI_MODE_TYPE_NORMAL;
         if (mCarModeEnabled) {
             uiMode = Configuration.UI_MODE_TYPE_CAR;
-        } else if (mDockState == Intent.EXTRA_DOCK_STATE_DESK) {
+        } else if (isDeskDockState(mDockState)) {
             uiMode = Configuration.UI_MODE_TYPE_DESK;
         }
         if (mCarModeEnabled) {
@@ -477,7 +498,7 @@
             if (mLastBroadcastState == Intent.EXTRA_DOCK_STATE_CAR) {
                 adjustStatusBarCarModeLocked();
                 oldAction = UiModeManager.ACTION_EXIT_CAR_MODE;
-            } else if (mLastBroadcastState == Intent.EXTRA_DOCK_STATE_DESK) {
+            } else if (isDeskDockState(mLastBroadcastState)) {
                 oldAction = UiModeManager.ACTION_EXIT_DESK_MODE;
             }
 
@@ -491,12 +512,12 @@
                     mLastBroadcastState = Intent.EXTRA_DOCK_STATE_CAR;
                     action = UiModeManager.ACTION_ENTER_CAR_MODE;
                 }
-            } else if (mDockState == Intent.EXTRA_DOCK_STATE_DESK) {
-                if (mLastBroadcastState != Intent.EXTRA_DOCK_STATE_DESK) {
+            } else if (isDeskDockState(mDockState)) {
+                if (!isDeskDockState(mLastBroadcastState)) {
                     if (oldAction != null) {
                         mContext.sendBroadcast(new Intent(oldAction));
                     }
-                    mLastBroadcastState = Intent.EXTRA_DOCK_STATE_DESK;
+                    mLastBroadcastState = mDockState;
                     action = UiModeManager.ACTION_ENTER_DESK_MODE;
                 }
             } else {
@@ -505,6 +526,12 @@
             }
 
             if (action != null) {
+                if (LOG) {
+                    Slog.v(TAG, String.format(
+                        "updateLocked: preparing broadcast: action=%s enable=0x%08x disable=0x%08x",
+                        action, enableFlags, disableFlags));
+                }
+
                 // Send the ordered broadcast; the result receiver will receive after all
                 // broadcasts have been sent. If any broadcast receiver changes the result
                 // code from the initial value of RESULT_OK, then the result receiver will
@@ -526,7 +553,7 @@
                     if ((enableFlags&UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME) != 0) {
                         homeIntent = buildHomeIntent(Intent.CATEGORY_CAR_DOCK);
                     }
-                } else if (mDockState == Intent.EXTRA_DOCK_STATE_DESK) {
+                } else if (isDeskDockState(mDockState)) {
                     if ((enableFlags&UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME) != 0) {
                         homeIntent = buildHomeIntent(Intent.CATEGORY_DESK_DOCK);
                     }
@@ -535,6 +562,12 @@
                         homeIntent = buildHomeIntent(Intent.CATEGORY_HOME);
                     }
                 }
+
+                if (LOG) {
+                    Slog.v(TAG, "updateLocked: null action, mDockState="
+                            + mDockState +", firing homeIntent: " + homeIntent);
+                }
+
                 if (homeIntent != null) {
                     try {
                         mContext.startActivity(homeIntent);