commit e87bf030766198bf5e1fe846167dba766e27fb3f
author Jeff Brown <jeffbrown@google.com> Thu Sep 20 18:30:13 2012 -0700
committer Jeff Brown <jeffbrown@google.com> Fri Sep 21 15:34:32 2012 -0700
tree b0f379481622310b6afd5e8002c16930e6ed91b6
parent f98db0de2248ad286b207eed6a826373cc60b786

Support HDMI hotplug.

Bug: 7206678
Change-Id: Ia5212b16658a5f5a2ccf8528eca7bebd45ca857a

services/java/com/android/server/display/DisplayManagerService.java

diff --git a/services/java/com/android/server/display/DisplayManagerService.java b/services/java/com/android/server/display/DisplayManagerService.java
index b109f2a..85f3b56 100644
--- a/services/java/com/android/server/display/DisplayManagerService.java
+++ b/services/java/com/android/server/display/DisplayManagerService.java
@@ -536,6 +536,8 @@
                 return;
             }
 
+            Slog.i(TAG, "Display device added: " + device.getDisplayDeviceInfoLocked());
+
             mDisplayDevices.add(device);
             addLogicalDisplayLocked(device);
             scheduleTraversalLocked();
@@ -550,6 +552,8 @@
                 return;
             }
 
+            Slog.i(TAG, "Display device changed: " + device.getDisplayDeviceInfoLocked());
+
             device.applyPendingDisplayDeviceInfoChangesLocked();
             if (updateLogicalDisplaysLocked()) {
                 scheduleTraversalLocked();
@@ -565,6 +569,8 @@
                 return;
             }
 
+            Slog.i(TAG, "Display device removed: " + device.getDisplayDeviceInfoLocked());
+
             mRemovedDisplayDevices.add(device);
             updateLogicalDisplaysLocked();
             scheduleTraversalLocked();

services/java/com/android/server/display/LocalDisplayAdapter.java

diff --git a/services/java/com/android/server/display/LocalDisplayAdapter.java b/services/java/com/android/server/display/LocalDisplayAdapter.java
index eab4c9a..9c51463 100644
--- a/services/java/com/android/server/display/LocalDisplayAdapter.java
+++ b/services/java/com/android/server/display/LocalDisplayAdapter.java
@@ -19,7 +19,9 @@
 import android.content.Context;
 import android.os.Handler;
 import android.os.IBinder;
+import android.os.Looper;
 import android.util.SparseArray;
+import android.view.DisplayEventReceiver;
 import android.view.Surface;
 import android.view.Surface.PhysicalDisplayInfo;
 
@@ -41,12 +43,14 @@
 
     private final SparseArray<LocalDisplayDevice> mDevices =
             new SparseArray<LocalDisplayDevice>();
+    private final HotplugDisplayEventReceiver mHotplugReceiver;
 
     private final PhysicalDisplayInfo mTempPhys = new PhysicalDisplayInfo();
 
     public LocalDisplayAdapter(DisplayManagerService.SyncRoot syncRoot,
             Context context, Handler handler, Listener listener) {
         super(syncRoot, context, handler, listener, TAG);
+        mHotplugReceiver = new HotplugDisplayEventReceiver(handler.getLooper());
     }
 
     @Override
@@ -148,4 +152,17 @@
             pw.println("mPhys=" + mPhys);
         }
     }
-}
+
+    private final class HotplugDisplayEventReceiver extends DisplayEventReceiver {
+        public HotplugDisplayEventReceiver(Looper looper) {
+            super(looper);
+        }
+
+        @Override
+        public void onHotplug(long timestampNanos, int builtInDisplayId, boolean connected) {
+            synchronized (getSyncRoot()) {
+                scanDisplaysLocked();
+            }
+        }
+    }
+}
\ No newline at end of file