Initial Contribution
diff --git a/libs/ui/ICamera.cpp b/libs/ui/ICamera.cpp
new file mode 100644
index 0000000..420bb49
--- /dev/null
+++ b/libs/ui/ICamera.cpp
@@ -0,0 +1,204 @@
+/*
+**
+** Copyright 2008, 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.
+*/
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Parcel.h>
+
+#include <ui/ICamera.h>
+
+#define LOG_TAG "@@@@@@@@@@@ CAMERA @@@@@@@@@@@"
+#include <utils/Log.h>
+
+namespace android {
+
+enum {
+ DISCONNECT = IBinder::FIRST_CALL_TRANSACTION,
+ SET_PREVIEW_DISPLAY,
+ SET_HAS_FRAME_CALLBACK,
+ START_PREVIEW,
+ STOP_PREVIEW,
+ AUTO_FOCUS,
+ TAKE_PICTURE,
+ SET_PARAMETERS,
+ GET_PARAMETERS
+};
+
+class BpCamera: public BpInterface<ICamera>
+{
+public:
+ BpCamera(const sp<IBinder>& impl)
+ : BpInterface<ICamera>(impl)
+ {
+ }
+
+ // disconnect from camera service
+ void disconnect()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+ remote()->transact(DISCONNECT, data, &reply);
+ }
+
+ // pass the buffered ISurface to the camera service
+ status_t setPreviewDisplay(const sp<ISurface>& surface)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+ data.writeStrongBinder(surface->asBinder());
+ remote()->transact(SET_PREVIEW_DISPLAY, data, &reply);
+ return reply.readInt32();
+ }
+
+ // tell the service whether to callback with each preview frame
+ void setHasFrameCallback(bool installed)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+ data.writeInt32((int32_t)installed);
+ remote()->transact(SET_HAS_FRAME_CALLBACK, data, &reply);
+ }
+
+ // start preview mode, must call setPreviewDisplay first
+ status_t startPreview()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+ remote()->transact(START_PREVIEW, data, &reply);
+ return reply.readInt32();
+ }
+
+ // stop preview mode
+ void stopPreview()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+ remote()->transact(STOP_PREVIEW, data, &reply);
+ }
+
+ // auto focus
+ status_t autoFocus()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+ remote()->transact(AUTO_FOCUS, data, &reply);
+ status_t ret = reply.readInt32();
+ return ret;
+ }
+
+ // take a picture - returns an IMemory (ref-counted mmap)
+ status_t takePicture()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+ remote()->transact(TAKE_PICTURE, data, &reply);
+ status_t ret = reply.readInt32();
+ return ret;
+ }
+
+ // set preview/capture parameters - key/value pairs
+ status_t setParameters(const String8& params)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+ data.writeString8(params);
+ remote()->transact(SET_PARAMETERS, data, &reply);
+ return reply.readInt32();
+ }
+
+ // get preview/capture parameters - key/value pairs
+ String8 getParameters() const
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+ remote()->transact(GET_PARAMETERS, data, &reply);
+ return reply.readString8();
+ }
+};
+
+IMPLEMENT_META_INTERFACE(Camera, "android.hardware.ICamera");
+
+// ----------------------------------------------------------------------
+
+#define CHECK_INTERFACE(interface, data, reply) \
+ do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
+ LOGW("Call incorrectly routed to " #interface); \
+ return PERMISSION_DENIED; \
+ } } while (0)
+
+status_t BnCamera::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ switch(code) {
+ case DISCONNECT: {
+ CHECK_INTERFACE(ICamera, data, reply);
+ disconnect();
+ return NO_ERROR;
+ } break;
+ case SET_PREVIEW_DISPLAY: {
+ CHECK_INTERFACE(ICamera, data, reply);
+ sp<ISurface> surface = interface_cast<ISurface>(data.readStrongBinder());
+ reply->writeInt32(setPreviewDisplay(surface));
+ return NO_ERROR;
+ } break;
+ case SET_HAS_FRAME_CALLBACK: {
+ CHECK_INTERFACE(ICamera, data, reply);
+ bool installed = (bool)data.readInt32();
+ setHasFrameCallback(installed);
+ return NO_ERROR;
+ } break;
+ case START_PREVIEW: {
+ CHECK_INTERFACE(ICamera, data, reply);
+ reply->writeInt32(startPreview());
+ return NO_ERROR;
+ } break;
+ case STOP_PREVIEW: {
+ CHECK_INTERFACE(ICamera, data, reply);
+ stopPreview();
+ return NO_ERROR;
+ } break;
+ case AUTO_FOCUS: {
+ CHECK_INTERFACE(ICamera, data, reply);
+ reply->writeInt32(autoFocus());
+ return NO_ERROR;
+ } break;
+ case TAKE_PICTURE: {
+ CHECK_INTERFACE(ICamera, data, reply);
+ reply->writeInt32(takePicture());
+ return NO_ERROR;
+ } break;
+ case SET_PARAMETERS: {
+ CHECK_INTERFACE(ICamera, data, reply);
+ String8 params(data.readString8());
+ reply->writeInt32(setParameters(params));
+ return NO_ERROR;
+ } break;
+ case GET_PARAMETERS: {
+ CHECK_INTERFACE(ICamera, data, reply);
+ reply->writeString8(getParameters());
+ return NO_ERROR;
+ } break;
+ default:
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+}
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+