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Unified Diff: chrome/browser/browsing_data_quota_helper.h

Issue 7387007: Adding usage and quota entry to chrome://settings/cookies. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: '' Created 9 years, 5 months ago
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Index: chrome/browser/browsing_data_quota_helper.h
diff --git a/chrome/browser/browsing_data_quota_helper.h b/chrome/browser/browsing_data_quota_helper.h
new file mode 100644
index 0000000000000000000000000000000000000000..51e267e5254b52fff6fd079af069d74e4a8660f7
--- /dev/null
+++ b/chrome/browser/browsing_data_quota_helper.h
@@ -0,0 +1,83 @@
+// Copyright (c) 2011 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 CHROME_BROWSER_BROWSING_DATA_QUOTA_HELPER_H_
+#define CHROME_BROWSER_BROWSING_DATA_QUOTA_HELPER_H_
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "base/callback_old.h"
+#include "base/memory/ref_counted.h"
+#include "base/time.h"
+#include "content/browser/browser_thread.h"
+#include "webkit/quota/quota_types.h"
+
+class Profile;
+
+namespace quota {
+class QuotaManager;
+}
+
+// This class is an interface class to bridge between Cookies Tree and Unified
+// Quota System. This class provides a way to get usage and quota information
+// through the instance.
+//
+// Call Create to create an instance for a profile and call StartFetching with
+// a callback to fetch information asynchronously. If result is no longer needed
+// after StartFetching, call CancelNotification to prevent callback.
+//
+// Parallel fetching is not allowed, a fetching task should start after end of
+// previous task. All method of this class should called from UI thread.
+//
+// QuotaInfo contains host-based quota and usage informations for persistent
kinuko 2011/07/25 13:22:41 nit: should this comment be moved at the definitio
tzik 2011/07/26 10:52:41 Done.
+// and temporary storage.
+class BrowsingDataQuotaHelper
+ : public base::RefCountedThreadSafe<BrowsingDataQuotaHelper,
+ BrowserThread::DeleteOnIOThread> {
kinuko 2011/07/25 13:22:41 As we chatted locally, we should either 1) use Mes
tzik 2011/07/26 10:52:41 Done. I modified them as 1). We can easily switch
+ public:
+ struct QuotaInfo {
+ QuotaInfo();
+ explicit QuotaInfo(const std::string& host);
+ QuotaInfo(const std::string& host,
+ int64 temporary_usage,
+ int64 persistent_usage,
+ int64 persistent_quota);
+ ~QuotaInfo();
+
+ std::string host;
+ int64 temporary_usage;
+ int64 persistent_usage;
+ int64 persistent_quota;
+ };
+
+ typedef std::vector<QuotaInfo> QuotaInfoList;
+ typedef Callback1<const QuotaInfoList&>::Type FetchResultCallback;
+
+ static BrowsingDataQuotaHelper* Create(Profile* profile);
+
+ virtual void StartFetching(FetchResultCallback* callback) = 0;
+ virtual void CancelNotification() = 0;
+
+ // We don't support deletion now.
+ virtual void DeleteQuotaHost(const std::string& host) {}
+
+ protected:
+ BrowsingDataQuotaHelper() { }
+ virtual ~BrowsingDataQuotaHelper() { }
kinuko 2011/07/25 13:22:41 no space between { } ?
tzik 2011/07/26 10:52:41 Done.
+
+ private:
+ friend struct BrowserThread::DeleteOnThread<BrowserThread::IO>;
+ friend class DeleteTask<BrowsingDataQuotaHelper>;
+
+ DISALLOW_COPY_AND_ASSIGN(BrowsingDataQuotaHelper);
+};
+
+bool operator <(const BrowsingDataQuotaHelper::QuotaInfo& lhs,
+ const BrowsingDataQuotaHelper::QuotaInfo& rhs);
+bool operator ==(const BrowsingDataQuotaHelper::QuotaInfo& lhs,
kinuko 2011/07/25 13:22:41 Is this really necessary? (Just asking)
tzik 2011/07/26 10:52:41 We need it for browsing_data_quota_helper_unittest
+ const BrowsingDataQuotaHelper::QuotaInfo& rhs);
+
+#endif // CHROME_BROWSER_BROWSING_DATA_QUOTA_HELPER_H_

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