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Unified Diff: webkit/fileapi/file_system_operation_context.h

Issue 15859007: Move browser-specific FileAPI code from webkit/fileapi to webkit/browser/fileapi (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: dump_file_system build fix Created 7 years, 7 months ago
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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_
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