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Unified Diff: content/child/indexed_db/indexed_db_dispatcher.h

Issue 1963293002: Replacing Indexed DB Chromium IPC with Mojo Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Refactoring after Passing URLRequestContextGetter. Created 4 years, 4 months ago
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Index: content/child/indexed_db/indexed_db_dispatcher.h
diff --git a/content/child/indexed_db/indexed_db_dispatcher.h b/content/child/indexed_db/indexed_db_dispatcher.h
deleted file mode 100644
index eee70a0f8db71b257c397e99b7a1b0ebb7f237cf..0000000000000000000000000000000000000000
--- a/content/child/indexed_db/indexed_db_dispatcher.h
+++ /dev/null
@@ -1,309 +0,0 @@
-// 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 "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;
-struct IndexedDBMsg_ObserverChanges;
-
-namespace blink {
-class WebData;
-struct WebIDBObservation;
-}
-
-namespace content {
-class IndexedDBKey;
-class IndexedDBKeyPath;
-class IndexedDBKeyRange;
-class WebIDBCursorImpl;
-class WebIDBDatabaseImpl;
-class ThreadSafeSender;
-
-// Handle the indexed db related communication for this context thread - the
-// main thread and each worker thread have their own copies.
-class CONTENT_EXPORT IndexedDBDispatcher : public WorkerThread::Observer {
- public:
- // Constructor made public to allow RenderThreadImpl to own a copy without
- // failing a NOTREACHED in ThreadSpecificInstance in tests that instantiate
- // two copies of RenderThreadImpl on the same thread. Everyone else probably
- // wants to use ThreadSpecificInstance().
- explicit IndexedDBDispatcher(ThreadSafeSender* thread_safe_sender);
- ~IndexedDBDispatcher() override;
-
- // |thread_safe_sender| needs to be passed in because if the call leads to
- // construction it will be needed.
- static IndexedDBDispatcher* ThreadSpecificInstance(
- ThreadSafeSender* thread_safe_sender);
-
- // WorkerThread::Observer implementation.
- void WillStopCurrentWorkerThread() override;
-
- static blink::WebIDBMetadata ConvertMetadata(
- const IndexedDBDatabaseMetadata& idb_metadata);
- static std::vector<blink::WebIDBObservation> ConvertObservations(
- const std::vector<IndexedDBMsg_Observation>& idb_observation);
-
- void OnMessageReceived(const IPC::Message& msg);
-
- // This method is virtual so it can be overridden in unit tests.
- virtual bool Send(IPC::Message* msg);
-
- int32_t AddIDBObserver(int32_t ipc_database_id,
- int64_t transaction_id,
- std::unique_ptr<blink::WebIDBObserver> observer);
-
- // The observer with ID's in |observer_ids_to_remove| observe the
- // |ipc_database_id|.
- // We remove our local references to these observer objects, and send an IPC
- // to clean up the observers from the backend.
- 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 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 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);
-
- void RequestIDBDatabaseGetAll(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,
- int64_t max_count,
- blink::WebIDBCallbacks* callbacks);
-
- void RequestIDBDatabasePut(
- int32_t ipc_database_id,
- int64_t transaction_id,
- int64_t object_store_id,
- const blink::WebData& value,
- const blink::WebVector<blink::WebBlobInfo>& web_blob_info,
- const IndexedDBKey& key,
- blink::WebIDBPutMode put_mode,
- blink::WebIDBCallbacks* callbacks,
- const blink::WebVector<long long>& index_ids,
- const blink::WebVector<blink::WebVector<blink::WebIDBKey>>& index_keys);
-
- void RequestIDBDatabaseOpenCursor(int32_t ipc_database_id,
- int64_t transaction_id,
- int64_t object_store_id,
- int64_t index_id,
- const IndexedDBKeyRange& key_range,
- blink::WebIDBCursorDirection direction,
- bool key_only,
- blink::WebIDBTaskType task_type,
- blink::WebIDBCallbacks* callbacks);
-
- void RequestIDBDatabaseCount(int32_t ipc_database_id,
- int64_t transaction_id,
- int64_t object_store_id,
- int64_t index_id,
- const IndexedDBKeyRange& key_range,
- blink::WebIDBCallbacks* callbacks);
-
- void RequestIDBDatabaseDeleteRange(int32_t ipc_database_id,
- int64_t transaction_id,
- int64_t object_store_id,
- const IndexedDBKeyRange& key_range,
- blink::WebIDBCallbacks* callbacks);
-
- void RequestIDBDatabaseClear(int32_t ipc_database_id,
- int64_t transaction_id,
- int64_t object_store_id,
- blink::WebIDBCallbacks* callbacks);
-
- virtual void CursorDestroyed(int32_t ipc_cursor_id);
- void DatabaseDestroyed(int32_t ipc_database_id);
-
- private:
- FRIEND_TEST_ALL_PREFIXES(IndexedDBDispatcherTest, CursorReset);
- FRIEND_TEST_ALL_PREFIXES(IndexedDBDispatcherTest, CursorTransactionId);
- FRIEND_TEST_ALL_PREFIXES(IndexedDBDispatcherTest, ValueSizeTest);
- FRIEND_TEST_ALL_PREFIXES(IndexedDBDispatcherTest, KeyAndValueSizeTest);
-
- enum { kAllCursors = -1 };
-
- static int32_t CurrentWorkerId() { return WorkerThread::GetCurrentId(); }
-
- 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);
-
- 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_
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