Port IndexedDB open() and database callbacks to Mojo.

content/child/indexed_db/indexed_db_dispatcher.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_CHILD_INDEXED_DB_INDEXED_DB_DISPATCHER_H_
 #define CONTENT_CHILD_INDEXED_DB_INDEXED_DB_DISPATCHER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/nullable_string16.h"
 #include "content/common/content_export.h"
 #include "content/common/indexed_db/indexed_db_constants.h"
 #include "content/public/child/worker_thread.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "third_party/WebKit/public/platform/WebBlobInfo.h"
 #include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBCallbacks.h"
-#include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBDatabaseCallbacks.h"
 #include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBObserver.h"
 #include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBTypes.h"
+#include "third_party/WebKit/public/platform/modules/indexeddb/indexed_db.mojom.h"
 #include "url/origin.h"
 
 struct IndexedDBDatabaseMetadata;
 struct IndexedDBMsg_CallbacksSuccessCursorContinue_Params;
 struct IndexedDBMsg_CallbacksSuccessCursorPrefetch_Params;
 struct IndexedDBMsg_CallbacksSuccessIDBCursor_Params;
 struct IndexedDBMsg_CallbacksSuccessArray_Params;
 struct IndexedDBMsg_CallbacksSuccessValue_Params;
 struct IndexedDBMsg_CallbacksUpgradeNeeded_Params;
 struct IndexedDBMsg_Observation;
@@ skipping 52 matching lines @@
   void RemoveIDBObserversFromDatabase(
       int32_t ipc_database_id,
       const std::vector<int32_t>& observer_ids_to_remove);
 
   // Removes observers from our local map observers_ . No IPC message generated.
   void RemoveIDBObservers(const std::set<int32_t>& observer_ids_to_remove);
 
   void RequestIDBFactoryGetDatabaseNames(blink::WebIDBCallbacks* callbacks,
                                          const url::Origin& origin);
 
-  void RequestIDBFactoryOpen(const base::string16& name,
-                             int64_t version,
-                             int64_t transaction_id,
-                             blink::WebIDBCallbacks* callbacks,
-                             blink::WebIDBDatabaseCallbacks* database_callbacks,
-                             const url::Origin& origin);
+  void RequestIDBFactoryOpen(
+      const std::string& name,
+      int64_t version,
+      int64_t transaction_id,
+      blink::WebIDBCallbacks* callbacks,
+      mojo::ScopedInterfaceEndpointHandle* client_interface_endpoint,
+      const url::Origin& origin);
 
   void RequestIDBFactoryDeleteDatabase(const base::string16& name,
                                        blink::WebIDBCallbacks* callbacks,
                                        const url::Origin& origin);
 
   // This method is virtual so it can be overridden in unit tests.
   virtual void RequestIDBCursorAdvance(unsigned long count,
                                        blink::WebIDBCallbacks* callbacks_ptr,
                                        int32_t ipc_cursor_id,
                                        int64_t transaction_id);
 
   // This method is virtual so it can be overridden in unit tests.
   virtual void RequestIDBCursorContinue(const IndexedDBKey& key,
                                         const IndexedDBKey& primary_key,
                                         blink::WebIDBCallbacks* callbacks_ptr,
                                         int32_t ipc_cursor_id,
                                         int64_t transaction_id);
 
   // This method is virtual so it can be overridden in unit tests.
   virtual void RequestIDBCursorPrefetch(int n,
                                         blink::WebIDBCallbacks* callbacks_ptr,
                                         int32_t ipc_cursor_id);
 
   // This method is virtual so it can be overridden in unit tests.
   virtual void RequestIDBCursorPrefetchReset(int used_prefetches,
                                              int unused_prefetches,
                                              int32_t ipc_cursor_id);
 
-  void RequestIDBDatabaseClose(int32_t ipc_database_id,
-                               int32_t ipc_database_callbacks_id);
+  void RequestIDBDatabaseClose(int32_t ipc_database_id);
 
   void NotifyIDBDatabaseVersionChangeIgnored(int32_t ipc_database_id);
 
   void RequestIDBDatabaseCreateTransaction(
       int32_t ipc_database_id,
       int64_t transaction_id,
-      blink::WebIDBDatabaseCallbacks* database_callbacks_ptr,
       blink::WebVector<long long> object_store_ids,
       blink::WebIDBTransactionMode mode);
 
   void RequestIDBDatabaseGet(int32_t ipc_database_id,
                              int64_t transaction_id,
                              int64_t object_store_id,
                              int64_t index_id,
                              const IndexedDBKeyRange& key_range,
                              bool key_only,
                              blink::WebIDBCallbacks* callbacks);
@@ skipping 63 matching lines @@
   template <typename T>
   void init_params(T* params, blink::WebIDBCallbacks* callbacks_ptr) {
     std::unique_ptr<blink::WebIDBCallbacks> callbacks(callbacks_ptr);
     params->ipc_thread_id = CurrentWorkerId();
     params->ipc_callbacks_id = pending_callbacks_.Add(callbacks.release());
   }
 
   // IDBCallback message handlers.
   void OnSuccessIDBDatabase(int32_t ipc_thread_id,
                             int32_t ipc_callbacks_id,
-                            int32_t ipc_database_callbacks_id,
                             int32_t ipc_object_id,
                             const IndexedDBDatabaseMetadata& idb_metadata);
   void OnSuccessIndexedDBKey(int32_t ipc_thread_id,
                              int32_t ipc_callbacks_id,
                              const IndexedDBKey& key);
 
   void OnSuccessOpenCursor(
       const IndexedDBMsg_CallbacksSuccessIDBCursor_Params& p);
   void OnSuccessCursorContinue(
       const IndexedDBMsg_CallbacksSuccessCursorContinue_Params& p);
   void OnSuccessCursorPrefetch(
       const IndexedDBMsg_CallbacksSuccessCursorPrefetch_Params& p);
   void OnSuccessStringList(int32_t ipc_thread_id,
                            int32_t ipc_callbacks_id,
                            const std::vector<base::string16>& value);
   void OnSuccessValue(const IndexedDBMsg_CallbacksSuccessValue_Params& p);
   void OnSuccessArray(const IndexedDBMsg_CallbacksSuccessArray_Params& p);
   void OnSuccessInteger(int32_t ipc_thread_id,
                         int32_t ipc_callbacks_id,
                         int64_t value);
   void OnSuccessUndefined(int32_t ipc_thread_id, int32_t ipc_callbacks_id);
   void OnError(int32_t ipc_thread_id,
                int32_t ipc_callbacks_id,
                int code,
                const base::string16& message);
   void OnIntBlocked(int32_t ipc_thread_id,
                     int32_t ipc_callbacks_id,
                     int64_t existing_version);
   void OnUpgradeNeeded(const IndexedDBMsg_CallbacksUpgradeNeeded_Params& p);
-  void OnAbort(int32_t ipc_thread_id,
-               int32_t ipc_database_id,
-               int64_t transaction_id,
-               int code,
-               const base::string16& message);
-  void OnComplete(int32_t ipc_thread_id,
-                  int32_t ipc_database_id,
-                  int64_t transaction_id);
   void OnDatabaseChanges(int32_t ipc_thread_id,
                          int32_t ipc_database_id,
                          const IndexedDBMsg_ObserverChanges&);
 
-  void OnForcedClose(int32_t ipc_thread_id, int32_t ipc_database_id);
-  void OnVersionChange(int32_t ipc_thread_id,
-                       int32_t ipc_database_id,
-                       int64_t old_version,
-                       int64_t new_version);
-
   // Reset cursor prefetch caches for all cursors except exception_cursor_id.
   void ResetCursorPrefetchCaches(int64_t transaction_id,
                                  int32_t ipc_exception_cursor_id);
 
+  indexed_db::mojom::DatabaseFactoryAssociatedPtr database_factory_;
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 
   // Maximum size (in bytes) of value/key pair allowed for put requests. Any
   // requests larger than this size will be rejected.
   // Used by unit tests to exercise behavior without allocating huge chunks
   // of memory.
   size_t max_put_value_size_ = kMaxIDBMessageSizeInBytes;
 
   // Careful! WebIDBCallbacks wraps non-threadsafe data types. It must be
   // destroyed and used on the same thread it was created on.
   IDMap<blink::WebIDBCallbacks, IDMapOwnPointer> pending_callbacks_;
-  IDMap<blink::WebIDBDatabaseCallbacks, IDMapOwnPointer>
-      pending_database_callbacks_;
   IDMap<blink::WebIDBObserver, IDMapOwnPointer> observers_;
 
   // Maps the ipc_callback_id from an open cursor request to the request's
   // transaction_id. Used to assign the transaction_id to the WebIDBCursorImpl
   // when it is created.
   std::map<int32_t, int64_t> cursor_transaction_ids_;
 
   // Map from cursor id to WebIDBCursorImpl.
   std::map<int32_t, WebIDBCursorImpl*> cursors_;
 
   std::map<int32_t, WebIDBDatabaseImpl*> databases_;
 
   DISALLOW_COPY_AND_ASSIGN(IndexedDBDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_INDEXED_DB_INDEXED_DB_DISPATCHER_H_