Camera: Drop ProCamera connections when a Camera connection happens

* Also adds an ICameraServiceListener with available/not available statuses

Bug: 8291653
Change-Id: I24680f1a2dc109510caf451cf7c7bd180b670d84

1 files changed, 64 insertions, 0 deletions

diff --git a/include/camera/ICameraServiceListener.h b/include/camera/ICameraServiceListener.h
new file mode 100644
index 0000000..207116a
--- /dev/null
+++ b/include/camera/ICameraServiceListener.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_ICAMERASERVICE_LISTENER_H
+#define ANDROID_HARDWARE_ICAMERASERVICE_LISTENER_H
+
+#include <utils/RefBase.h>
+#include <binder/IInterface.h>
+#include <binder/Parcel.h>
+#include <hardware/camera_common.h>
+
+namespace android {
+
+class ICameraServiceListener : public IInterface
+{
+public:
+
+    enum Status {
+        // Device physically unplugged
+        STATUS_PRESENT          = CAMERA_DEVICE_STATUS_PRESENT,
+        // Device physically re-plugged
+        STATUS_NOT_PRESENT      = CAMERA_DEVICE_STATUS_NOT_PRESENT,
+
+        // Camera can be used exclusively
+        STATUS_AVAILABLE        = 0x80000000,
+        // Camera is in use by another app and cannot be used exclusively
+        STATUS_NOT_AVAILABLE,
+
+        // Use to initialize variables only
+        STATUS_UNKNOWN          = 0xFFFFFFFF,
+    };
+
+    DECLARE_META_INTERFACE(CameraServiceListener);
+
+    virtual void onStatusChanged(Status status, int32_t cameraId) = 0;
+};
+
+// ----------------------------------------------------------------------------
+
+class BnCameraServiceListener : public BnInterface<ICameraServiceListener>
+{
+public:
+    virtual status_t    onTransact( uint32_t code,
+                                    const Parcel& data,
+                                    Parcel* reply,
+                                    uint32_t flags = 0);
+};
+
+}; // namespace android
+
+#endif