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Diffstat (limited to 'libs/surfaceflinger_client/ISurfaceComposer.cpp')
| -rw-r--r-- | libs/surfaceflinger_client/ISurfaceComposer.cpp | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/libs/surfaceflinger_client/ISurfaceComposer.cpp b/libs/surfaceflinger_client/ISurfaceComposer.cpp new file mode 100644 index 0000000..b6f4e24 --- /dev/null +++ b/libs/surfaceflinger_client/ISurfaceComposer.cpp @@ -0,0 +1,187 @@ +/* + * Copyright (C) 2007 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. + */ + +// tag as surfaceflinger +#define LOG_TAG "SurfaceFlinger" + +#include <stdint.h> +#include <sys/types.h> + +#include <binder/Parcel.h> +#include <binder/IMemory.h> +#include <binder/IPCThreadState.h> +#include <binder/IServiceManager.h> + +#include <ui/DisplayInfo.h> + +#include <surfaceflinger/ISurfaceComposer.h> + +// --------------------------------------------------------------------------- + +#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) +#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) + +// --------------------------------------------------------------------------- + +namespace android { + +class BpSurfaceComposer : public BpInterface<ISurfaceComposer> +{ +public: + BpSurfaceComposer(const sp<IBinder>& impl) + : BpInterface<ISurfaceComposer>(impl) + { + } + + virtual sp<ISurfaceFlingerClient> createConnection() + { + uint32_t n; + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + remote()->transact(BnSurfaceComposer::CREATE_CONNECTION, data, &reply); + return interface_cast<ISurfaceFlingerClient>(reply.readStrongBinder()); + } + + virtual sp<IMemoryHeap> getCblk() const + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + remote()->transact(BnSurfaceComposer::GET_CBLK, data, &reply); + return interface_cast<IMemoryHeap>(reply.readStrongBinder()); + } + + virtual void openGlobalTransaction() + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + remote()->transact(BnSurfaceComposer::OPEN_GLOBAL_TRANSACTION, data, &reply); + } + + virtual void closeGlobalTransaction() + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + remote()->transact(BnSurfaceComposer::CLOSE_GLOBAL_TRANSACTION, data, &reply); + } + + virtual status_t freezeDisplay(DisplayID dpy, uint32_t flags) + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + data.writeInt32(dpy); + data.writeInt32(flags); + remote()->transact(BnSurfaceComposer::FREEZE_DISPLAY, data, &reply); + return reply.readInt32(); + } + + virtual status_t unfreezeDisplay(DisplayID dpy, uint32_t flags) + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + data.writeInt32(dpy); + data.writeInt32(flags); + remote()->transact(BnSurfaceComposer::UNFREEZE_DISPLAY, data, &reply); + return reply.readInt32(); + } + + virtual int setOrientation(DisplayID dpy, int orientation, uint32_t flags) + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + data.writeInt32(dpy); + data.writeInt32(orientation); + data.writeInt32(flags); + remote()->transact(BnSurfaceComposer::SET_ORIENTATION, data, &reply); + return reply.readInt32(); + } + + virtual void bootFinished() + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + remote()->transact(BnSurfaceComposer::BOOT_FINISHED, data, &reply); + } + + virtual void signal() const + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + remote()->transact(BnSurfaceComposer::SIGNAL, data, &reply, IBinder::FLAG_ONEWAY); + } +}; + +IMPLEMENT_META_INTERFACE(SurfaceComposer, "android.ui.ISurfaceComposer"); + +// ---------------------------------------------------------------------- + +status_t BnSurfaceComposer::onTransact( + uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) +{ + switch(code) { + case CREATE_CONNECTION: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + sp<IBinder> b = createConnection()->asBinder(); + reply->writeStrongBinder(b); + } break; + case OPEN_GLOBAL_TRANSACTION: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + openGlobalTransaction(); + } break; + case CLOSE_GLOBAL_TRANSACTION: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + closeGlobalTransaction(); + } break; + case SET_ORIENTATION: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + DisplayID dpy = data.readInt32(); + int orientation = data.readInt32(); + uint32_t flags = data.readInt32(); + reply->writeInt32( setOrientation(dpy, orientation, flags) ); + } break; + case FREEZE_DISPLAY: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + DisplayID dpy = data.readInt32(); + uint32_t flags = data.readInt32(); + reply->writeInt32( freezeDisplay(dpy, flags) ); + } break; + case UNFREEZE_DISPLAY: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + DisplayID dpy = data.readInt32(); + uint32_t flags = data.readInt32(); + reply->writeInt32( unfreezeDisplay(dpy, flags) ); + } break; + case BOOT_FINISHED: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + bootFinished(); + } break; + case SIGNAL: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + signal(); + } break; + case GET_CBLK: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + sp<IBinder> b = getCblk()->asBinder(); + reply->writeStrongBinder(b); + } break; + default: + return BBinder::onTransact(code, data, reply, flags); + } + return NO_ERROR; +} + +// ---------------------------------------------------------------------------- + +}; |