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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef CONTENT_CHILD_INDEXED_DB_INDEXED_DB_CALLBACKS_IMPL_H_ |
| 6 #define CONTENT_CHILD_INDEXED_DB_INDEXED_DB_CALLBACKS_IMPL_H_ |
| 7 |
| 8 #include "content/common/indexed_db/indexed_db.mojom.h" |
| 9 #include "mojo/public/cpp/bindings/associated_binding.h" |
| 10 |
| 11 namespace blink { |
| 12 class WebIDBCallbacks; |
| 13 } |
| 14 |
| 15 namespace content { |
| 16 |
| 17 class ThreadSafeSender; |
| 18 |
| 19 // Implements the child-process end of the pipe used to deliver callbacks. It |
| 20 // is owned by the IO thread. |callback_runner_| is used to post tasks back to |
| 21 // the thread which owns the blink::WebIDBCallbacks. |
| 22 class IndexedDBCallbacksImpl : public indexed_db::mojom::Callbacks { |
| 23 public: |
| 24 class InternalState { |
| 25 public: |
| 26 InternalState(std::unique_ptr<blink::WebIDBCallbacks> callbacks, |
| 27 scoped_refptr<ThreadSafeSender> thread_safe_sender); |
| 28 ~InternalState(); |
| 29 |
| 30 void Error(int32_t code, const base::string16& message); |
| 31 void SuccessStringList(const std::vector<base::string16>& value); |
| 32 void Blocked(int64_t existing_version); |
| 33 void UpgradeNeeded(int32_t database_id, |
| 34 int64_t old_version, |
| 35 blink::WebIDBDataLoss data_loss, |
| 36 const std::string& data_loss_message, |
| 37 const content::IndexedDBDatabaseMetadata& metadata); |
| 38 void SuccessDatabase(int32_t database_id, |
| 39 const content::IndexedDBDatabaseMetadata& metadata); |
| 40 void SuccessInteger(int64_t value); |
| 41 |
| 42 private: |
| 43 std::unique_ptr<blink::WebIDBCallbacks> callbacks_; |
| 44 scoped_refptr<ThreadSafeSender> thread_safe_sender_; |
| 45 |
| 46 DISALLOW_COPY_AND_ASSIGN(InternalState); |
| 47 }; |
| 48 |
| 49 IndexedDBCallbacksImpl(std::unique_ptr<blink::WebIDBCallbacks> callbacks, |
| 50 scoped_refptr<ThreadSafeSender> thread_safe_sender); |
| 51 ~IndexedDBCallbacksImpl() override; |
| 52 |
| 53 // indexed_db::mojom::Callbacks implementation: |
| 54 void Error(int32_t code, const base::string16& message) override; |
| 55 void SuccessStringList(const std::vector<base::string16>& value) override; |
| 56 void Blocked(int64_t existing_version) override; |
| 57 void UpgradeNeeded( |
| 58 int32_t database_id, |
| 59 int64_t old_version, |
| 60 blink::WebIDBDataLoss data_loss, |
| 61 const std::string& data_loss_message, |
| 62 const content::IndexedDBDatabaseMetadata& metadata) override; |
| 63 void SuccessDatabase( |
| 64 int32_t database_id, |
| 65 const content::IndexedDBDatabaseMetadata& metadata) override; |
| 66 void SuccessInteger(int64_t value) override; |
| 67 |
| 68 private: |
| 69 // |internal_state_| is owned by the thread on which |callback_runner_| |
| 70 // executes tasks and must be destroyed there. |
| 71 InternalState* internal_state_; |
| 72 scoped_refptr<base::SingleThreadTaskRunner> callback_runner_; |
| 73 |
| 74 DISALLOW_COPY_AND_ASSIGN(IndexedDBCallbacksImpl); |
| 75 }; |
| 76 |
| 77 } // namespace content |
| 78 |
| 79 #endif // CONTENT_CHILD_INDEXED_DB_INDEXED_DB_CALLBACKS_IMPL_H_ |
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