diff options
Diffstat (limited to 'libs/surfaceflinger_client/ISurfaceComposer.cpp')
| -rw-r--r-- | libs/surfaceflinger_client/ISurfaceComposer.cpp | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/libs/surfaceflinger_client/ISurfaceComposer.cpp b/libs/surfaceflinger_client/ISurfaceComposer.cpp index 01ae23f..8951c3f 100644 --- a/libs/surfaceflinger_client/ISurfaceComposer.cpp +++ b/libs/surfaceflinger_client/ISurfaceComposer.cpp @@ -25,9 +25,11 @@ #include <binder/IPCThreadState.h> #include <binder/IServiceManager.h> +#include <surfaceflinger/ISurfaceComposer.h> + #include <ui/DisplayInfo.h> -#include <surfaceflinger/ISurfaceComposer.h> +#include <utils/Log.h> // --------------------------------------------------------------------------- @@ -178,6 +180,40 @@ public: data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); remote()->transact(BnSurfaceComposer::SIGNAL, data, &reply, IBinder::FLAG_ONEWAY); } + + virtual bool authenticateSurface(const sp<ISurface>& surface) const + { + Parcel data, reply; + int err = NO_ERROR; + err = data.writeInterfaceToken( + ISurfaceComposer::getInterfaceDescriptor()); + if (err != NO_ERROR) { + LOGE("ISurfaceComposer::authenticateSurface: error writing " + "interface descriptor: %s (%d)", strerror(-err), -err); + return false; + } + err = data.writeStrongBinder(surface->asBinder()); + if (err != NO_ERROR) { + LOGE("ISurfaceComposer::authenticateSurface: error writing strong " + "binder to parcel: %s (%d)", strerror(-err), -err); + return false; + } + err = remote()->transact(BnSurfaceComposer::AUTHENTICATE_SURFACE, data, + &reply); + if (err != NO_ERROR) { + LOGE("ISurfaceComposer::authenticateSurface: error performing " + "transaction: %s (%d)", strerror(-err), -err); + return false; + } + int32_t result = 0; + err = reply.readInt32(&result); + if (err != NO_ERROR) { + LOGE("ISurfaceComposer::authenticateSurface: error retrieving " + "result: %s (%d)", strerror(-err), -err); + return false; + } + return result != 0; + } }; IMPLEMENT_META_INTERFACE(SurfaceComposer, "android.ui.ISurfaceComposer"); @@ -273,6 +309,12 @@ status_t BnSurfaceComposer::onTransact( status_t res = turnElectronBeamOn(mode); reply->writeInt32(res); } break; + case AUTHENTICATE_SURFACE: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + sp<ISurface> surface = interface_cast<ISurface>(data.readStrongBinder()); + int32_t result = authenticateSurface(surface) ? 1 : 0; + reply->writeInt32(result); + } break; default: return BBinder::onTransact(code, data, reply, flags); } |