// services/viz/privileged/mojom/compositing/layered_window_updater.mojom.cc is auto generated by mojom_bindings_generator.py, do not edit // Copyright 2013 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #if defined(__clang__) #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wunused-private-field" #endif #include "services/viz/privileged/mojom/compositing/layered_window_updater.mojom.h" #include #include #include #include "base/debug/alias.h" #include "base/notreached.h" #include "base/run_loop.h" #include "base/strings/string_number_conversions.h" #include "base/task/thread_pool/thread_pool_instance.h" #include "base/trace_event/trace_event.h" #include "base/trace_event/typed_macros.h" #include "mojo/public/cpp/bindings/lib/default_construct_tag_internal.h" #include "mojo/public/cpp/bindings/lib/generated_code_util.h" #include "mojo/public/cpp/bindings/lib/message_internal.h" #include "mojo/public/cpp/bindings/lib/proxy_to_responder.h" #include "mojo/public/cpp/bindings/lib/send_message_helper.h" #include "mojo/public/cpp/bindings/lib/serialization.h" #include "mojo/public/cpp/bindings/lib/unserialized_message_context.h" #include "mojo/public/cpp/bindings/lib/validate_params.h" #include "mojo/public/cpp/bindings/lib/validation_errors.h" #include "mojo/public/cpp/bindings/mojo_buildflags.h" #include "mojo/public/cpp/bindings/urgent_message_scope.h" #include "mojo/public/interfaces/bindings/interface_control_messages.mojom.h" #include "third_party/perfetto/include/perfetto/tracing/traced_value.h" #include "services/viz/privileged/mojom/compositing/layered_window_updater.mojom-params-data.h" #include "services/viz/privileged/mojom/compositing/layered_window_updater.mojom-shared-message-ids.h" #include "services/viz/privileged/mojom/compositing/layered_window_updater.mojom-import-headers.h" #include "services/viz/privileged/mojom/compositing/layered_window_updater.mojom-test-utils.h" namespace viz::mojom { // The declaration includes the definition on other builds. LayeredWindowUpdater::IPCStableHashFunction LayeredWindowUpdater::MessageToMethodInfo_(mojo::Message& message) { #if !BUILDFLAG(IS_FUCHSIA) switch (static_cast(message.name())) { case messages::LayeredWindowUpdater::kOnAllocatedSharedMemory: { return &LayeredWindowUpdater::OnAllocatedSharedMemory_Sym::IPCStableHash; } case messages::LayeredWindowUpdater::kDraw: { return &LayeredWindowUpdater::Draw_Sym::IPCStableHash; } } #endif // !BUILDFLAG(IS_FUCHSIA) return nullptr; } const char* LayeredWindowUpdater::MessageToMethodName_(mojo::Message& message) { #if BUILDFLAG(MOJO_TRACE_ENABLED) bool is_response = message.has_flag(mojo::Message::kFlagIsResponse); if (!is_response) { switch (static_cast(message.name())) { case messages::LayeredWindowUpdater::kOnAllocatedSharedMemory: return "Receive viz::mojom::LayeredWindowUpdater::OnAllocatedSharedMemory"; case messages::LayeredWindowUpdater::kDraw: return "Receive viz::mojom::LayeredWindowUpdater::Draw"; } } else { switch (static_cast(message.name())) { case messages::LayeredWindowUpdater::kOnAllocatedSharedMemory: return "Receive reply viz::mojom::LayeredWindowUpdater::OnAllocatedSharedMemory"; case messages::LayeredWindowUpdater::kDraw: return "Receive reply viz::mojom::LayeredWindowUpdater::Draw"; } } return "Receive unknown mojo message"; #else bool is_response = message.has_flag(mojo::Message::kFlagIsResponse); if (is_response) { return "Receive mojo reply"; } else { return "Receive mojo message"; } #endif // BUILDFLAG(MOJO_TRACE_ENABLED) } #if !BUILDFLAG(IS_FUCHSIA) uint32_t LayeredWindowUpdater::OnAllocatedSharedMemory_Sym::IPCStableHash() { // This method's address is used for identifying the mojo method name after // symbolization. So each IPCStableHash should have a unique address. // We cannot use NO_CODE_FOLDING() here - it relies on the uniqueness of // __LINE__ value, which is not unique across different mojo modules. // The code below is very similar to NO_CODE_FOLDING, but it uses a unique // hash instead of __LINE__. static constexpr uint32_t kHash = 0xf190d4b2; // IPCStableHash for viz::mojom::LayeredWindowUpdater::OnAllocatedSharedMemory const uint32_t hash = kHash; base::debug::Alias(&hash); return hash; } uint32_t LayeredWindowUpdater::Draw_Sym::IPCStableHash() { // This method's address is used for identifying the mojo method name after // symbolization. So each IPCStableHash should have a unique address. // We cannot use NO_CODE_FOLDING() here - it relies on the uniqueness of // __LINE__ value, which is not unique across different mojo modules. // The code below is very similar to NO_CODE_FOLDING, but it uses a unique // hash instead of __LINE__. static constexpr uint32_t kHash = 0x2cf5ee6e; // IPCStableHash for viz::mojom::LayeredWindowUpdater::Draw const uint32_t hash = kHash; base::debug::Alias(&hash); return hash; } # endif // !BUILDFLAG(IS_FUCHSIA) class LayeredWindowUpdater_Draw_ForwardToCallback : public mojo::MessageReceiver { public: LayeredWindowUpdater_Draw_ForwardToCallback( LayeredWindowUpdater::DrawCallback callback ) : callback_(std::move(callback)) { } LayeredWindowUpdater_Draw_ForwardToCallback(const LayeredWindowUpdater_Draw_ForwardToCallback&) = delete; LayeredWindowUpdater_Draw_ForwardToCallback& operator=(const LayeredWindowUpdater_Draw_ForwardToCallback&) = delete; bool Accept(mojo::Message* message) override; private: LayeredWindowUpdater::DrawCallback callback_; }; LayeredWindowUpdaterProxy::LayeredWindowUpdaterProxy(mojo::MessageReceiverWithResponder* receiver) : receiver_(receiver) { } void LayeredWindowUpdaterProxy::OnAllocatedSharedMemory( const ::gfx::Size& in_pixel_size, ::base::UnsafeSharedMemoryRegion in_region) { #if BUILDFLAG(MOJO_TRACE_ENABLED) TRACE_EVENT1( "mojom", "Send viz::mojom::LayeredWindowUpdater::OnAllocatedSharedMemory", "input_parameters", [&](perfetto::TracedValue context){ auto dict = std::move(context).WriteDictionary(); perfetto::WriteIntoTracedValueWithFallback( dict.AddItem("pixel_size"), in_pixel_size, ""); perfetto::WriteIntoTracedValueWithFallback( dict.AddItem("region"), in_region, ""); }); #endif const bool kExpectsResponse = false; const bool kIsSync = false; const bool kAllowInterrupt = true; const bool is_urgent = false; const uint32_t kFlags = ((kExpectsResponse) ? mojo::Message::kFlagExpectsResponse : 0) | ((kIsSync) ? mojo::Message::kFlagIsSync : 0) | ((kAllowInterrupt) ? 0 : mojo::Message::kFlagNoInterrupt) | ((is_urgent) ? mojo::Message::kFlagIsUrgent : 0); const size_t estimated_payload_size = 0; mojo::Message message( std::to_underlying(messages::LayeredWindowUpdater::kOnAllocatedSharedMemory), kFlags, estimated_payload_size); mojo::internal::MessageFragment< ::viz::mojom::internal::LayeredWindowUpdater_OnAllocatedSharedMemory_Params_Data> params( message); params.Allocate(); mojo::internal::MessageFragment< typename decltype(params->pixel_size)::BaseType> pixel_size_fragment( params.message()); mojo::internal::Serialize<::gfx::mojom::SizeDataView>( in_pixel_size, pixel_size_fragment); params->pixel_size.Set( pixel_size_fragment.is_null() ? nullptr : pixel_size_fragment.data()); MOJO_INTERNAL_CHECK_SERIALIZATION( mojo::internal::SendValidation::kDefault, !(params->pixel_size.is_null()), mojo::internal::VALIDATION_ERROR_UNEXPECTED_NULL_POINTER, "null pixel_size in LayeredWindowUpdater.OnAllocatedSharedMemory request"); mojo::internal::MessageFragment< typename decltype(params->region)::BaseType> region_fragment( params.message()); mojo::internal::Serialize<::mojo_base::mojom::UnsafeSharedMemoryRegionDataView>( in_region, region_fragment); params->region.Set( region_fragment.is_null() ? nullptr : region_fragment.data()); MOJO_INTERNAL_CHECK_SERIALIZATION( mojo::internal::SendValidation::kDefault, !(params->region.is_null()), mojo::internal::VALIDATION_ERROR_UNEXPECTED_NULL_POINTER, "null region in LayeredWindowUpdater.OnAllocatedSharedMemory request"); #if defined(ENABLE_IPC_FUZZER) message.set_interface_name(LayeredWindowUpdater::Name_); message.set_method_name("OnAllocatedSharedMemory"); #endif // This return value may be ignored as false implies the Connector has // encountered an error, which will be visible through other means. ::mojo::internal::SendMojoMessage(*receiver_, message); } void LayeredWindowUpdaterProxy::Draw( DrawCallback callback) { #if BUILDFLAG(MOJO_TRACE_ENABLED) TRACE_EVENT0("mojom", "Send viz::mojom::LayeredWindowUpdater::Draw"); #endif const bool kExpectsResponse = true; const bool kIsSync = false; const bool kAllowInterrupt = true; const bool is_urgent = false; const uint32_t kFlags = ((kExpectsResponse) ? mojo::Message::kFlagExpectsResponse : 0) | ((kIsSync) ? mojo::Message::kFlagIsSync : 0) | ((kAllowInterrupt) ? 0 : mojo::Message::kFlagNoInterrupt) | ((is_urgent) ? mojo::Message::kFlagIsUrgent : 0); const size_t estimated_payload_size = 0; mojo::Message message( std::to_underlying(messages::LayeredWindowUpdater::kDraw), kFlags, estimated_payload_size); mojo::internal::MessageFragment< ::viz::mojom::internal::LayeredWindowUpdater_Draw_Params_Data> params( message); params.Allocate(); #if defined(ENABLE_IPC_FUZZER) message.set_interface_name(LayeredWindowUpdater::Name_); message.set_method_name("Draw"); #endif std::unique_ptr responder( new LayeredWindowUpdater_Draw_ForwardToCallback( std::move(callback))); ::mojo::internal::SendMojoMessage(*receiver_, message, std::move(responder)); } class LayeredWindowUpdater_Draw_ProxyToResponder : public ::mojo::internal::ProxyToResponder { public: static LayeredWindowUpdater::DrawCallback CreateCallback( ::mojo::Message& message, std::unique_ptr responder) { std::unique_ptr proxy( new LayeredWindowUpdater_Draw_ProxyToResponder( message, std::move(responder))); return base::BindOnce(&LayeredWindowUpdater_Draw_ProxyToResponder::Run, std::move(proxy)); } ~LayeredWindowUpdater_Draw_ProxyToResponder() { #if DCHECK_IS_ON() if (responder_) { // If we're being destroyed without being run, we want to ensure the // binding endpoint has been closed. This checks for that asynchronously. // We pass a bound generated callback to handle the response so that any // resulting DCHECK stack will have useful interface type information. // Instantiate a ScopedFizzleBlockShutdownTasks to allow this request to // fizzle if this happens after shutdown and the endpoint is bound to a // BLOCK_SHUTDOWN sequence. base::ThreadPoolInstance::ScopedFizzleBlockShutdownTasks fizzler; responder_->IsConnectedAsync(base::BindOnce(&OnIsConnectedComplete)); } #endif } private: LayeredWindowUpdater_Draw_ProxyToResponder( ::mojo::Message& message, std::unique_ptr responder) : ::mojo::internal::ProxyToResponder(message, std::move(responder)) { } #if DCHECK_IS_ON() static void OnIsConnectedComplete(bool connected) { DCHECK(!connected) << "LayeredWindowUpdater::DrawCallback was destroyed without " << "first either being run or its corresponding binding being closed. " << "It is an error to drop response callbacks which still correspond " << "to an open interface pipe."; } #endif void Run( ); }; bool LayeredWindowUpdater_Draw_ForwardToCallback::Accept( mojo::Message* message) { DCHECK(message->is_serialized()); internal::LayeredWindowUpdater_Draw_ResponseParams_Data* params = reinterpret_cast< internal::LayeredWindowUpdater_Draw_ResponseParams_Data*>( message->mutable_payload()); // Validation for LayeredWindowUpdater.1 bool success = true; LayeredWindowUpdater_Draw_ResponseParamsDataView input_data_view(params, message); if (!success) { ReportValidationErrorForMessage( message, mojo::internal::VALIDATION_ERROR_DESERIALIZATION_FAILED, LayeredWindowUpdater::Name_, 1, true); return false; } if (!callback_.is_null()) { std::move(callback_).Run(); } return true; } void LayeredWindowUpdater_Draw_ProxyToResponder::Run( ) { #if BUILDFLAG(MOJO_TRACE_ENABLED) TRACE_EVENT0("mojom", "Send reply viz::mojom::LayeredWindowUpdater::Draw"); #endif const uint32_t kFlags = mojo::Message::kFlagIsResponse | ((is_sync_) ? mojo::Message::kFlagIsSync : 0) | ((true) ? 0 : mojo::Message::kFlagNoInterrupt) | ((false) ? mojo::Message::kFlagIsUrgent : 0); const size_t estimated_payload_size = 0; mojo::Message message( std::to_underlying(messages::LayeredWindowUpdater::kDraw), kFlags, estimated_payload_size); mojo::internal::MessageFragment< ::viz::mojom::internal::LayeredWindowUpdater_Draw_ResponseParams_Data> params( message); params.Allocate(); #if defined(ENABLE_IPC_FUZZER) message.set_interface_name(LayeredWindowUpdater::Name_); message.set_method_name("Draw"); #endif message.set_request_id(request_id_); message.set_trace_nonce(trace_nonce_); ::mojo::internal::SendMojoMessage(*responder_, message); // SendMojoMessage() fails silently if the responder connection is closed, // or if the message is malformed. // // TODO(darin): If Accept() returns false due to a malformed message, that // may be good reason to close the connection. However, we don't have a // way to do that from here. We should add a way. responder_ = nullptr; } // static bool LayeredWindowUpdaterStubDispatch::Accept( LayeredWindowUpdater* impl, mojo::Message* message) { switch (static_cast(message->header()->name)) { case messages::LayeredWindowUpdater::kOnAllocatedSharedMemory: { DCHECK(message->is_serialized()); internal::LayeredWindowUpdater_OnAllocatedSharedMemory_Params_Data* params = reinterpret_cast( message->mutable_payload()); // Validation for LayeredWindowUpdater.0 bool success = true; ::gfx::Size p_pixel_size{}; ::base::UnsafeSharedMemoryRegion p_region{}; LayeredWindowUpdater_OnAllocatedSharedMemory_ParamsDataView input_data_view(params, message); if (success && !input_data_view.ReadPixelSize(&p_pixel_size)) success = false; if (success && !input_data_view.ReadRegion(&p_region)) success = false; if (!success) { ReportValidationErrorForMessage( message, mojo::internal::VALIDATION_ERROR_DESERIALIZATION_FAILED, LayeredWindowUpdater::Name_, 0, false); return false; } // A null |impl| means no implementation was bound. DCHECK(impl); impl->OnAllocatedSharedMemory( std::move(p_pixel_size), std::move(p_region)); return true; } case messages::LayeredWindowUpdater::kDraw: { break; } } return false; } // static bool LayeredWindowUpdaterStubDispatch::AcceptWithResponder( LayeredWindowUpdater* impl, mojo::Message* message, std::unique_ptr responder) { [[maybe_unused]] const bool message_is_sync = message->has_flag(mojo::Message::kFlagIsSync); [[maybe_unused]] const uint64_t request_id = message->request_id(); switch (static_cast(message->header()->name)) { case messages::LayeredWindowUpdater::kOnAllocatedSharedMemory: { break; } case messages::LayeredWindowUpdater::kDraw: { internal::LayeredWindowUpdater_Draw_Params_Data* params = reinterpret_cast< internal::LayeredWindowUpdater_Draw_Params_Data*>( message->mutable_payload()); // Validation for LayeredWindowUpdater.1 bool success = true; LayeredWindowUpdater_Draw_ParamsDataView input_data_view(params, message); if (!success) { ReportValidationErrorForMessage( message, mojo::internal::VALIDATION_ERROR_DESERIALIZATION_FAILED, LayeredWindowUpdater::Name_, 1, false); return false; } auto callback = LayeredWindowUpdater_Draw_ProxyToResponder::CreateCallback( *message, std::move(responder)); // A null |impl| means no implementation was bound. DCHECK(impl); impl->Draw(std::move(callback)); return true; } } return false; } namespace { } // namespace static const mojo::internal::GenericValidationInfo kLayeredWindowUpdaterValidationInfo[] = { { &internal::LayeredWindowUpdater_OnAllocatedSharedMemory_Params_Data::Validate, nullptr /* no response */}, { &internal::LayeredWindowUpdater_Draw_Params_Data::Validate, &internal::LayeredWindowUpdater_Draw_ResponseParams_Data::Validate}, }; bool LayeredWindowUpdaterRequestValidator::Accept(mojo::Message* message) { return mojo::internal::ValidateRequestGenericPacked( message, ::viz::mojom::LayeredWindowUpdater::Name_, kLayeredWindowUpdaterValidationInfo); } bool LayeredWindowUpdaterResponseValidator::Accept(mojo::Message* message) { return mojo::internal::ValidateResponseGenericPacked( message, ::viz::mojom::LayeredWindowUpdater::Name_, kLayeredWindowUpdaterValidationInfo); } } // viz::mojom namespace mojo { } // namespace mojo // Symbols declared in the -test-utils.h header are defined here instead of a // separate .cc file to save compile time. namespace viz::mojom { void LayeredWindowUpdaterInterceptorForTesting::OnAllocatedSharedMemory(const ::gfx::Size& pixel_size, ::base::UnsafeSharedMemoryRegion region) { GetForwardingInterface()->OnAllocatedSharedMemory( std::move(pixel_size) , std::move(region) ); } void LayeredWindowUpdaterInterceptorForTesting::Draw(DrawCallback callback) { GetForwardingInterface()->Draw(std::move(callback)); } LayeredWindowUpdaterAsyncWaiter::LayeredWindowUpdaterAsyncWaiter( LayeredWindowUpdater* proxy) : proxy_(proxy) {} LayeredWindowUpdaterAsyncWaiter::~LayeredWindowUpdaterAsyncWaiter() = default; void LayeredWindowUpdaterAsyncWaiter::Draw( ) { base::RunLoop loop; proxy_->Draw( base::BindOnce( [](base::RunLoop* loop) { loop->Quit(); }, &loop)); loop.Run(); } } // viz::mojom #if defined(__clang__) #pragma clang diagnostic pop #endif