Index: webkit/fileapi/file_system_operation_context.h |
diff --git a/webkit/fileapi/file_system_operation_context.h b/webkit/fileapi/file_system_operation_context.h |
deleted file mode 100644 |
index ffce4c38645716735d1740b80640abc7f482a261..0000000000000000000000000000000000000000 |
--- a/webkit/fileapi/file_system_operation_context.h |
+++ /dev/null |
@@ -1,127 +0,0 @@ |
-// 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. |
- |
-#ifndef WEBKIT_FILEAPI_FILE_SYSTEM_OPERATION_CONTEXT_H_ |
-#define WEBKIT_FILEAPI_FILE_SYSTEM_OPERATION_CONTEXT_H_ |
- |
-#include "base/supports_user_data.h" |
-#include "base/threading/thread_checker.h" |
-#include "webkit/browser/fileapi/task_runner_bound_observer_list.h" |
-#include "webkit/quota/quota_types.h" |
-#include "webkit/storage/webkit_storage_export.h" |
- |
-namespace base { |
-class SequencedTaskRunner; |
-} |
- |
-namespace fileapi { |
- |
-class FileSystemContext; |
- |
-// A context class which is carried around by FileSystemOperation and |
-// its delegated tasks. It is valid to reuse one context instance across |
-// multiple operations as far as those operations are supposed to share |
-// the same context (e.g. use the same task runner, share the quota etc). |
-// Note that the remaining quota bytes (allowed_bytes_growth) may be |
-// updated during the execution of write operations. |
-class WEBKIT_STORAGE_EXPORT_PRIVATE FileSystemOperationContext |
- : public base::SupportsUserData { |
- public: |
- explicit FileSystemOperationContext(FileSystemContext* context); |
- |
- // Specifies |task_runner| which the operation is performed on. |
- FileSystemOperationContext(FileSystemContext* context, |
- base::SequencedTaskRunner* task_runner); |
- |
- virtual ~FileSystemOperationContext(); |
- |
- FileSystemContext* file_system_context() const { |
- return file_system_context_; |
- } |
- |
- // Updates the current remaining quota. |
- // This can be called to update the remaining quota during the operation. |
- void set_allowed_bytes_growth(const int64& allowed_bytes_growth) { |
- allowed_bytes_growth_ = allowed_bytes_growth; |
- } |
- |
- // Returns the current remaining quota. |
- int64 allowed_bytes_growth() const { return allowed_bytes_growth_; } |
- |
- quota::QuotaLimitType quota_limit_type() const { |
- return quota_limit_type_; |
- } |
- |
- // Returns TaskRunner which the operation is performed on. |
- base::SequencedTaskRunner* task_runner() const { |
- return task_runner_.get(); |
- } |
- |
- ChangeObserverList* change_observers() { return &change_observers_; } |
- AccessObserverList* access_observers() { return &access_observers_; } |
- UpdateObserverList* update_observers() { return &update_observers_; } |
- |
- // Following setters should be called only on the same thread as the |
- // FileSystemOperationContext is created (i.e. are not supposed be updated |
- // after the context's passed onto other task runners). |
- void set_change_observers(const ChangeObserverList& list) { |
- DCHECK(setter_thread_checker_.CalledOnValidThread()); |
- change_observers_ = list; |
- } |
- void set_access_observers(const AccessObserverList& list) { |
- DCHECK(setter_thread_checker_.CalledOnValidThread()); |
- access_observers_ = list; |
- } |
- void set_update_observers(const UpdateObserverList& list) { |
- DCHECK(setter_thread_checker_.CalledOnValidThread()); |
- update_observers_ = list; |
- } |
- void set_quota_limit_type(quota::QuotaLimitType limit_type) { |
- DCHECK(setter_thread_checker_.CalledOnValidThread()); |
- quota_limit_type_ = limit_type; |
- } |
- |
- // Gets and sets value-type (or not-owned) variable as UserData. |
- // (SetUserValue can be called only on the same thread as this context |
- // is created as well as other setters.) |
- template <typename T> T GetUserValue(const char* key) const { |
- ValueAdapter<T>* v = static_cast<ValueAdapter<T>*>(GetUserData(key)); |
- return v ? v->value() : T(); |
- } |
- template <typename T> void SetUserValue(const char* key, const T& value) { |
- DCHECK(setter_thread_checker_.CalledOnValidThread()); |
- SetUserData(key, new ValueAdapter<T>(value)); |
- } |
- |
- private: |
- // An adapter for setting a value-type (or not owned) data as UserData. |
- template <typename T> class ValueAdapter |
- : public base::SupportsUserData::Data { |
- public: |
- ValueAdapter(const T& value) : value_(value) {} |
- const T& value() const { return value_; } |
- private: |
- T value_; |
- DISALLOW_COPY_AND_ASSIGN(ValueAdapter); |
- }; |
- |
- FileSystemContext* file_system_context_; |
- scoped_refptr<base::SequencedTaskRunner> task_runner_; |
- |
- int64 allowed_bytes_growth_; |
- quota::QuotaLimitType quota_limit_type_; |
- |
- AccessObserverList access_observers_; |
- ChangeObserverList change_observers_; |
- UpdateObserverList update_observers_; |
- |
- // Used to check its setters are not called on arbitrary thread. |
- base::ThreadChecker setter_thread_checker_; |
- |
- DISALLOW_COPY_AND_ASSIGN(FileSystemOperationContext); |
-}; |
- |
-} // namespace fileapi |
- |
-#endif // WEBKIT_FILEAPI_FILE_SYSTEM_OPERATION_CONTEXT_H_ |