| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // IPC messages for HTML5 Blob and Stream. |
| // Multiply-included message file, hence no include guard. |
| |
| #include <stddef.h> |
| |
| #include <set> |
| |
| #include "base/memory/shared_memory.h" |
| #include "content/common/content_export.h" |
| #include "ipc/ipc_message_macros.h" |
| #include "ipc/ipc_message_utils.h" |
| #include "ipc/ipc_param_traits.h" |
| #include "ipc/ipc_platform_file.h" |
| #include "storage/common/blob_storage/blob_item_bytes_request.h" |
| #include "storage/common/blob_storage/blob_item_bytes_response.h" |
| #include "storage/common/blob_storage/blob_storage_constants.h" |
| #include "storage/common/data_element.h" |
| #include "url/ipc/url_param_traits.h" |
| |
| #undef IPC_MESSAGE_EXPORT |
| #define IPC_MESSAGE_EXPORT CONTENT_EXPORT |
| #define IPC_MESSAGE_START BlobMsgStart |
| |
| // Trait definitions for async blob transport messages. |
| |
| IPC_ENUM_TRAITS_MAX_VALUE(storage::IPCBlobItemRequestStrategy, |
| storage::IPCBlobItemRequestStrategy::LAST) |
| IPC_ENUM_TRAITS_MAX_VALUE(storage::BlobStatus, storage::BlobStatus::LAST) |
| |
| IPC_STRUCT_TRAITS_BEGIN(storage::BlobItemBytesRequest) |
| IPC_STRUCT_TRAITS_MEMBER(request_number) |
| IPC_STRUCT_TRAITS_MEMBER(transport_strategy) |
| IPC_STRUCT_TRAITS_MEMBER(renderer_item_index) |
| IPC_STRUCT_TRAITS_MEMBER(renderer_item_offset) |
| IPC_STRUCT_TRAITS_MEMBER(size) |
| IPC_STRUCT_TRAITS_MEMBER(handle_index) |
| IPC_STRUCT_TRAITS_MEMBER(handle_offset) |
| IPC_STRUCT_TRAITS_END() |
| |
| IPC_STRUCT_TRAITS_BEGIN(storage::BlobItemBytesResponse) |
| IPC_STRUCT_TRAITS_MEMBER(request_number) |
| IPC_STRUCT_TRAITS_MEMBER(inline_data) |
| IPC_STRUCT_TRAITS_MEMBER(time_file_modified) |
| IPC_STRUCT_TRAITS_END() |
| |
| // This message is to tell the browser that we will be building a blob. The |
| // DataElements are used to: |
| // * describe & transport non-memory resources (blobs, files, etc) |
| // * describe the size of memory items |
| // * 'shortcut' transport the memory up to the IPC limit so the browser can use |
| // it if it's not currently full. |
| // See https://bit.ly/BlobStorageRefactor |
| IPC_MESSAGE_CONTROL4(BlobStorageMsg_RegisterBlob, |
| std::string /* uuid */, |
| std::string /* content_type */, |
| std::string /* content_disposition */, |
| std::vector<storage::DataElement> /* item_descriptions */) |
| |
| IPC_MESSAGE_CONTROL4( |
| BlobStorageMsg_RequestMemoryItem, |
| std::string /* uuid */, |
| std::vector<storage::BlobItemBytesRequest> /* requests */, |
| std::vector<base::SharedMemoryHandle> /* memory_handles */, |
| std::vector<IPC::PlatformFileForTransit> /* file_handles */) |
| |
| IPC_MESSAGE_CONTROL2( |
| BlobStorageMsg_MemoryItemResponse, |
| std::string /* uuid */, |
| std::vector<storage::BlobItemBytesResponse> /* responses */) |
| |
| IPC_MESSAGE_CONTROL2(BlobStorageMsg_SendBlobStatus, |
| std::string /* uuid */, |
| storage::BlobStatus /* code */) |
| |
| IPC_MESSAGE_CONTROL1(BlobHostMsg_IncrementRefCount, |
| std::string /* uuid */) |
| IPC_MESSAGE_CONTROL1(BlobHostMsg_DecrementRefCount, |
| std::string /* uuid */) |
| IPC_MESSAGE_CONTROL2(BlobHostMsg_RegisterPublicURL, |
| GURL, |
| std::string /* uuid */) |
| IPC_MESSAGE_CONTROL1(BlobHostMsg_RevokePublicURL, |
| GURL) |
| |
| // Stream messages sent from the renderer to the browser. |
| |
| // Registers a stream as being built. |
| IPC_MESSAGE_CONTROL2(StreamHostMsg_StartBuilding, |
| GURL /* url */, |
| std::string /* content_type */) |
| |
| // Appends data to a stream being built. |
| IPC_MESSAGE_CONTROL2(StreamHostMsg_AppendBlobDataItem, |
| GURL /* url */, |
| storage::DataElement) |
| |
| // Appends data to a stream being built. |
| IPC_SYNC_MESSAGE_CONTROL3_0(StreamHostMsg_SyncAppendSharedMemory, |
| GURL /* url */, |
| base::SharedMemoryHandle, |
| uint32_t /* buffer size */) |
| |
| // Flushes contents buffered in the stream. |
| IPC_MESSAGE_CONTROL1(StreamHostMsg_Flush, |
| GURL /* url */) |
| |
| // Finishes building a stream. |
| IPC_MESSAGE_CONTROL1(StreamHostMsg_FinishBuilding, |
| GURL /* url */) |
| |
| // Aborts building a stream. |
| IPC_MESSAGE_CONTROL1(StreamHostMsg_AbortBuilding, |
| GURL /* url */) |
| |
| // Creates a new stream that's a clone of an existing src stream. |
| IPC_MESSAGE_CONTROL2(StreamHostMsg_Clone, |
| GURL /* url */, |
| GURL /* src_url */) |
| |
| // Removes a stream. |
| IPC_MESSAGE_CONTROL1(StreamHostMsg_Remove, |
| GURL /* url */) |