chrome/browser/ui/webui/quota_internals/quota_internals_handler.h

   1 // Copyright (c) 2011 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 CHROME_BROWSER_UI_WEBUI_QUOTA_INTERNALS_QUOTA_INTERNALS_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_QUOTA_INTERNALS_QUOTA_INTERNALS_HANDLER_H_
   7
   8 #include <map>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/memory/ref_counted.h"
  13 #include "content/public/browser/web_ui_message_handler.h"
  14 #include "storage/common/quota/quota_types.h"
  15
  16 namespace base {
  17 class Value;
  18 class ListValue;
  19 }
  20
  21 namespace quota_internals {
  22
  23 class QuotaInternalsProxy;
  24 class GlobalStorageInfo;
  25 class PerHostStorageInfo;
  26 class PerOriginStorageInfo;
  27 typedef std::map<std::string, std::string> Statistics;
  28
  29 // This class handles message from WebUI page of chrome://quota-internals/.
  30 // All methods in this class should be called on UI thread.
  31 class QuotaInternalsHandler : public content::WebUIMessageHandler {
  32  public:
  33   QuotaInternalsHandler();
  34   ~QuotaInternalsHandler() override;
  35   void RegisterMessages() override;
  36
  37   // Called by QuotaInternalsProxy to report information to WebUI page.
  38   void ReportAvailableSpace(int64 available_space);
  39   void ReportGlobalInfo(const GlobalStorageInfo& data);
  40   void ReportPerHostInfo(const std::vector<PerHostStorageInfo>& hosts);
  41   void ReportPerOriginInfo(const std::vector<PerOriginStorageInfo>& origins);
  42   void ReportStatistics(const Statistics& stats);
  43
  44  private:
  45   void OnRequestInfo(const base::ListValue*);
  46   void SendMessage(const std::string& message, const base::Value& value);
  47
  48   scoped_refptr<QuotaInternalsProxy> proxy_;
  49
  50   DISALLOW_COPY_AND_ASSIGN(QuotaInternalsHandler);
  51 };
  52 }  // namespace quota_internals
  53
  54 #endif  // CHROME_BROWSER_UI_WEBUI_QUOTA_INTERNALS_QUOTA_INTERNALS_HANDLER_H_