Blob support for IDB [Chromium]

content/common/indexed_db/indexed_db_messages.h

 // 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.
 
 // Message definition file, included multiple times, hence no include guard.
 
 #include <vector>
 
 #include "content/common/indexed_db/indexed_db_key.h"
 #include "content/common/indexed_db/indexed_db_key_path.h"
 #include "content/common/indexed_db/indexed_db_key_range.h"
 #include "content/common/indexed_db/indexed_db_param_traits.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_param_traits.h"
 #include "third_party/WebKit/public/platform/WebIDBCursor.h"
 #include "third_party/WebKit/public/platform/WebIDBDatabase.h"
+#include "url/gurl.h"
 
 #define IPC_MESSAGE_START IndexedDBMsgStart
 
 // Argument structures used in messages
 
 IPC_ENUM_TRAITS(WebKit::WebIDBCursor::Direction)
 IPC_ENUM_TRAITS(WebKit::WebIDBDatabase::PutMode)
 IPC_ENUM_TRAITS(WebKit::WebIDBDatabase::TaskType)
 
 IPC_ENUM_TRAITS_MAX_VALUE(WebKit::WebIDBCallbacks::DataLoss,
@@ skipping 78 matching lines @@
   // The object store's id.
   IPC_STRUCT_MEMBER(int64, object_store_id)
   // The index's id.
   IPC_STRUCT_MEMBER(int64, index_id)
   // The serialized key range.
   IPC_STRUCT_MEMBER(content::IndexedDBKeyRange, key_range)
   // If this is just retrieving the key
   IPC_STRUCT_MEMBER(bool, key_only)
 IPC_STRUCT_END()
 
+IPC_STRUCT_BEGIN(IndexedDBMsg_BlobOrFileInfo)
+  IPC_STRUCT_MEMBER(bool, is_file)
+  IPC_STRUCT_MEMBER(GURL, url) //TODO(ericu): UUID now?
+  IPC_STRUCT_MEMBER(string16, mime_type)
+  IPC_STRUCT_MEMBER(uint64, size)
+  IPC_STRUCT_MEMBER(string16, file_path)
+  IPC_STRUCT_MEMBER(string16, file_name)
+  IPC_STRUCT_MEMBER(double, last_modified)
+IPC_STRUCT_END()
+
 // Used to set a value in an object store.
 IPC_STRUCT_BEGIN(IndexedDBHostMsg_DatabasePut_Params)
   // The id any response should contain.
   IPC_STRUCT_MEMBER(int32, ipc_thread_id)
   IPC_STRUCT_MEMBER(int32, ipc_callbacks_id)
   // The database the object store belongs to.
   IPC_STRUCT_MEMBER(int32, ipc_database_id)
   // The transaction it's associated with.
   IPC_STRUCT_MEMBER(int64, transaction_id)
   // The object store's id.
   IPC_STRUCT_MEMBER(int64, object_store_id)
   // The index's id.
   IPC_STRUCT_MEMBER(int64, index_id)
   // The value to set.
   IPC_STRUCT_MEMBER(std::string, value)
   // The key to set it on (may not be "valid"/set in some cases).
   IPC_STRUCT_MEMBER(content::IndexedDBKey, key)
   // Whether this is an add or a put.
   IPC_STRUCT_MEMBER(WebKit::WebIDBDatabase::PutMode, put_mode)
   // The names of the indexes used below.
   IPC_STRUCT_MEMBER(std::vector<int64>, index_ids)
   // The keys for each index, such that each inner vector corresponds
   // to each index named in index_names, respectively.
   IPC_STRUCT_MEMBER(std::vector<std::vector<content::IndexedDBKey> >,
                     index_keys)
+  // Sideband data for any blob or file encoded in value.
+  IPC_STRUCT_MEMBER(std::vector<IndexedDBMsg_BlobOrFileInfo>, blob_or_file_info)
 IPC_STRUCT_END()
 
 // Used to open both cursors and object cursors in IndexedDB.
 IPC_STRUCT_BEGIN(IndexedDBHostMsg_DatabaseOpenCursor_Params)
   // The response should have these ids.
   IPC_STRUCT_MEMBER(int32, ipc_thread_id)
   IPC_STRUCT_MEMBER(int32, ipc_callbacks_id)
   // The database the object store belongs to.
   IPC_STRUCT_MEMBER(int32, ipc_database_id)
   // The transaction this request belongs to.
@@ skipping 79 matching lines @@
   IPC_STRUCT_MEMBER(bool, multi_entry)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(IndexedDBMsg_CallbacksSuccessIDBCursor_Params)
   IPC_STRUCT_MEMBER(int32, ipc_thread_id)
   IPC_STRUCT_MEMBER(int32, ipc_callbacks_id)
   IPC_STRUCT_MEMBER(int32, ipc_cursor_id)
   IPC_STRUCT_MEMBER(content::IndexedDBKey, key)
   IPC_STRUCT_MEMBER(content::IndexedDBKey, primary_key)
   IPC_STRUCT_MEMBER(std::string, value)
+  // Sideband data for any blob or file encoded in value.
+  IPC_STRUCT_MEMBER(std::vector<IndexedDBMsg_BlobOrFileInfo>, blob_or_file_info)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(IndexedDBMsg_CallbacksSuccessCursorContinue_Params)
   IPC_STRUCT_MEMBER(int32, ipc_thread_id)
   IPC_STRUCT_MEMBER(int32, ipc_callbacks_id)
   IPC_STRUCT_MEMBER(int32, ipc_cursor_id)
   IPC_STRUCT_MEMBER(content::IndexedDBKey, key)
   IPC_STRUCT_MEMBER(content::IndexedDBKey, primary_key)
   IPC_STRUCT_MEMBER(std::string, value)
+  // Sideband data for any blob or file encoded in value.
+  IPC_STRUCT_MEMBER(std::vector<IndexedDBMsg_BlobOrFileInfo>, blob_or_file_info)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(IndexedDBMsg_CallbacksSuccessCursorPrefetch_Params)
   IPC_STRUCT_MEMBER(int32, ipc_thread_id)
   IPC_STRUCT_MEMBER(int32, ipc_callbacks_id)
   IPC_STRUCT_MEMBER(int32, ipc_cursor_id)
   IPC_STRUCT_MEMBER(std::vector<content::IndexedDBKey>, keys)
   IPC_STRUCT_MEMBER(std::vector<content::IndexedDBKey>, primary_keys)
   IPC_STRUCT_MEMBER(std::vector<std::string>, values)
+  // Sideband data for any blob or file encoded in value.
+  IPC_STRUCT_MEMBER(std::vector<std::vector<IndexedDBMsg_BlobOrFileInfo> >,
+                    blob_or_file_infos)
+IPC_STRUCT_END()
+
+IPC_STRUCT_BEGIN(IndexedDBMsg_CallbacksSuccessValue_Params)
+  IPC_STRUCT_MEMBER(int32, ipc_thread_id)
+  IPC_STRUCT_MEMBER(int32, ipc_callbacks_id)
+  IPC_STRUCT_MEMBER(std::string, value)
+  // Sideband data for any blob or file encoded in value.
+  IPC_STRUCT_MEMBER(std::vector<IndexedDBMsg_BlobOrFileInfo>, blob_or_file_info)
+IPC_STRUCT_END()
+
+IPC_STRUCT_BEGIN(IndexedDBMsg_CallbacksSuccessValueWithKey_Params)
+  IPC_STRUCT_MEMBER(int32, ipc_thread_id)
+  IPC_STRUCT_MEMBER(int32, ipc_callbacks_id)
+  IPC_STRUCT_MEMBER(std::string, value)
+  IPC_STRUCT_MEMBER(content::IndexedDBKey, primary_key)
+  IPC_STRUCT_MEMBER(content::IndexedDBKeyPath, key_path)
+  // Sideband data for any blob or file encoded in value.
+  IPC_STRUCT_MEMBER(std::vector<IndexedDBMsg_BlobOrFileInfo>, blob_or_file_info)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(IndexedDBIndexMetadata)
   IPC_STRUCT_MEMBER(int64, id)
   IPC_STRUCT_MEMBER(string16, name)
   IPC_STRUCT_MEMBER(content::IndexedDBKeyPath, keyPath)
   IPC_STRUCT_MEMBER(bool, unique)
   IPC_STRUCT_MEMBER(bool, multiEntry)
 IPC_STRUCT_END()
 
@@ skipping 47 matching lines @@
 IPC_MESSAGE_CONTROL5(IndexedDBMsg_CallbacksSuccessIDBDatabase,
                      int32 /* ipc_thread_id */,
                      int32 /* ipc_callbacks_id */,
                      int32 /* ipc_database_callbacks_id */,
                      int32 /* ipc_database_id */,
                      IndexedDBDatabaseMetadata)
 IPC_MESSAGE_CONTROL3(IndexedDBMsg_CallbacksSuccessIndexedDBKey,
                      int32 /* ipc_thread_id */,
                      int32 /* ipc_callbacks_id */,
                      content::IndexedDBKey /* indexed_db_key */)
-IPC_MESSAGE_CONTROL3(IndexedDBMsg_CallbacksSuccessValue,
-                     int32 /* ipc_thread_id */,
-                     int32 /* ipc_callbacks_id */,
-                     std::string /* value */)
-IPC_MESSAGE_CONTROL5(IndexedDBMsg_CallbacksSuccessValueWithKey,
-                     int32 /* ipc_thread_id */,
-                     int32 /* ipc_callbacks_id */,
-                     std::string /* value */,
-                     content::IndexedDBKey /* indexed_db_key */,
-                     content::IndexedDBKeyPath /* indexed_db_keypath */)
+
+IPC_MESSAGE_CONTROL1(IndexedDBMsg_CallbacksSuccessValue,
+                     IndexedDBMsg_CallbacksSuccessValue_Params)
+
+IPC_MESSAGE_CONTROL1(IndexedDBMsg_CallbacksSuccessValueWithKey,
+                     IndexedDBMsg_CallbacksSuccessValueWithKey_Params)
+
 IPC_MESSAGE_CONTROL3(IndexedDBMsg_CallbacksSuccessInteger,
                      int32 /* ipc_thread_id */,
                      int32 /* ipc_callbacks_id */,
                      int64 /* value */)
 IPC_MESSAGE_CONTROL2(IndexedDBMsg_CallbacksSuccessUndefined,
                      int32 /* ipc_thread_id */,
                      int32 /* ipc_callbacks_id */)
 IPC_MESSAGE_CONTROL3(IndexedDBMsg_CallbacksSuccessStringList,
                      int32 /* ipc_thread_id */,
                      int32 /* ipc_callbacks_id */,
@@ skipping 153 matching lines @@
 
 // WebIDBDatabase::commit() message.
 IPC_MESSAGE_CONTROL2(IndexedDBHostMsg_DatabaseCommit,
                      int32, /* ipc_database_id */
                      int64) /* transaction_id */
 
 // WebIDBDatabase::~WebIDBCursor() message.
 IPC_MESSAGE_CONTROL1(IndexedDBHostMsg_CursorDestroyed,
                      int32 /* ipc_cursor_id */)