diff options
Diffstat (limited to 'libs/ui/ISurfaceFlingerClient.cpp')
| -rw-r--r-- | libs/ui/ISurfaceFlingerClient.cpp | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/libs/ui/ISurfaceFlingerClient.cpp b/libs/ui/ISurfaceFlingerClient.cpp deleted file mode 100644 index dd6a798..0000000 --- a/libs/ui/ISurfaceFlingerClient.cpp +++ /dev/null @@ -1,208 +0,0 @@ -/* - * 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 <stdio.h> -#include <stdint.h> -#include <sys/types.h> - -#include <utils/Parcel.h> -#include <utils/IMemory.h> -#include <utils/IPCThreadState.h> -#include <utils/IServiceManager.h> - -#include <ui/ISurface.h> -#include <ui/ISurfaceFlingerClient.h> -#include <ui/Point.h> -#include <ui/Rect.h> - -#include <private/ui/LayerState.h> - -// --------------------------------------------------------------------------- - -#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) -#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) - -// --------------------------------------------------------------------------- - -namespace android { - -enum { - GET_CBLK = IBinder::FIRST_CALL_TRANSACTION, - CREATE_SURFACE, - DESTROY_SURFACE, - SET_STATE -}; - -class BpSurfaceFlingerClient : public BpInterface<ISurfaceFlingerClient> -{ -public: - BpSurfaceFlingerClient(const sp<IBinder>& impl) - : BpInterface<ISurfaceFlingerClient>(impl) - { - } - - virtual void getControlBlocks(sp<IMemory>* ctl) const - { - Parcel data, reply; - data.writeInterfaceToken(ISurfaceFlingerClient::getInterfaceDescriptor()); - remote()->transact(GET_CBLK, data, &reply); - *ctl = interface_cast<IMemory>(reply.readStrongBinder()); - } - - virtual sp<ISurface> createSurface( surface_data_t* params, - int pid, - DisplayID display, - uint32_t w, - uint32_t h, - PixelFormat format, - uint32_t flags) - { - Parcel data, reply; - data.writeInterfaceToken(ISurfaceFlingerClient::getInterfaceDescriptor()); - data.writeInt32(pid); - data.writeInt32(display); - data.writeInt32(w); - data.writeInt32(h); - data.writeInt32(format); - data.writeInt32(flags); - remote()->transact(CREATE_SURFACE, data, &reply); - params->readFromParcel(reply); - return interface_cast<ISurface>(reply.readStrongBinder()); - } - - virtual status_t destroySurface(SurfaceID sid) - { - Parcel data, reply; - data.writeInterfaceToken(ISurfaceFlingerClient::getInterfaceDescriptor()); - data.writeInt32(sid); - remote()->transact(DESTROY_SURFACE, data, &reply); - return reply.readInt32(); - } - - virtual status_t setState(int32_t count, const layer_state_t* states) - { - Parcel data, reply; - data.writeInterfaceToken(ISurfaceFlingerClient::getInterfaceDescriptor()); - data.writeInt32(count); - for (int i=0 ; i<count ; i++) - states[i].write(data); - remote()->transact(SET_STATE, data, &reply); - return reply.readInt32(); - } -}; - -IMPLEMENT_META_INTERFACE(SurfaceFlingerClient, "android.ui.ISurfaceFlingerClient"); - -// ---------------------------------------------------------------------- - -#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 BnSurfaceFlingerClient::onTransact( - uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) -{ - // codes that don't require permission check - - switch(code) { - case GET_CBLK: { - CHECK_INTERFACE(ISurfaceFlingerClient, data, reply); - sp<IMemory> ctl; - getControlBlocks(&ctl); - reply->writeStrongBinder(ctl->asBinder()); - return NO_ERROR; - } break; - } - - // these must be checked - - IPCThreadState* ipc = IPCThreadState::self(); - const int pid = ipc->getCallingPid(); - const int self_pid = getpid(); - if (UNLIKELY(pid != self_pid)) { - // we're called from a different process, do the real check - if (!checkCallingPermission( - String16("android.permission.ACCESS_SURFACE_FLINGER"))) - { - const int uid = ipc->getCallingUid(); - LOGE("Permission Denial: " - "can't openGlobalTransaction pid=%d, uid=%d", pid, uid); - return PERMISSION_DENIED; - } - } - - switch(code) { - case CREATE_SURFACE: { - CHECK_INTERFACE(ISurfaceFlingerClient, data, reply); - surface_data_t params; - int32_t pid = data.readInt32(); - DisplayID display = data.readInt32(); - uint32_t w = data.readInt32(); - uint32_t h = data.readInt32(); - PixelFormat format = data.readInt32(); - uint32_t flags = data.readInt32(); - sp<ISurface> s = createSurface(¶ms, pid, display, w, h, format, flags); - params.writeToParcel(reply); - reply->writeStrongBinder(s->asBinder()); - return NO_ERROR; - } break; - case DESTROY_SURFACE: { - CHECK_INTERFACE(ISurfaceFlingerClient, data, reply); - reply->writeInt32( destroySurface( data.readInt32() ) ); - return NO_ERROR; - } break; - case SET_STATE: { - CHECK_INTERFACE(ISurfaceFlingerClient, data, reply); - int32_t count = data.readInt32(); - layer_state_t* states = new layer_state_t[count]; - for (int i=0 ; i<count ; i++) - states[i].read(data); - status_t err = setState(count, states); - delete [] states; - reply->writeInt32(err); - return NO_ERROR; - } break; - default: - return BBinder::onTransact(code, data, reply, flags); - } -} - -// ---------------------------------------------------------------------- - -status_t ISurfaceFlingerClient::surface_data_t::readFromParcel(const Parcel& parcel) -{ - token = parcel.readInt32(); - identity = parcel.readInt32(); - heap[0] = interface_cast<IMemoryHeap>(parcel.readStrongBinder()); - heap[1] = interface_cast<IMemoryHeap>(parcel.readStrongBinder()); - return NO_ERROR; -} - -status_t ISurfaceFlingerClient::surface_data_t::writeToParcel(Parcel* parcel) const -{ - parcel->writeInt32(token); - parcel->writeInt32(identity); - parcel->writeStrongBinder(heap[0]!=0 ? heap[0]->asBinder() : NULL); - parcel->writeStrongBinder(heap[1]!=0 ? heap[1]->asBinder() : NULL); - return NO_ERROR; -} - -}; // namespace android |