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      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_HISTORY2_UI_H_
      6 #define CHROME_BROWSER_UI_WEBUI_HISTORY2_UI_H_
      7 #pragma once
      8 
      9 #include <string>
     10 
     11 #include "base/string16.h"
     12 #include "chrome/browser/history/history.h"
     13 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
     14 #include "content/browser/cancelable_request.h"
     15 #include "content/browser/webui/web_ui.h"
     16 
     17 class GURL;
     18 
     19 // Temporary fork for development of new history UI.
     20 // TODO(pamg): merge back in when new UI is complete.
     21 
     22 class HistoryUIHTMLSource2 : public ChromeURLDataManager::DataSource {
     23  public:
     24   HistoryUIHTMLSource2();
     25 
     26   // Called when the network layer has requested a resource underneath
     27   // the path we registered.
     28   virtual void StartDataRequest(const std::string& path,
     29                                 bool is_incognito,
     30                                 int request_id);
     31 
     32   virtual std::string GetMimeType(const std::string&) const;
     33 
     34  private:
     35   ~HistoryUIHTMLSource2() {}
     36 
     37   DISALLOW_COPY_AND_ASSIGN(HistoryUIHTMLSource2);
     38 };
     39 
     40 // The handler for Javascript messages related to the "history" view.
     41 class BrowsingHistoryHandler2 : public WebUIMessageHandler {
     42  public:
     43   BrowsingHistoryHandler2();
     44   virtual ~BrowsingHistoryHandler2();
     45 
     46   // WebUIMessageHandler implementation.
     47   virtual WebUIMessageHandler* Attach(WebUI* web_ui);
     48   virtual void RegisterMessages();
     49 
     50   // Callback for the "getHistory" message.
     51   void HandleGetHistory(const ListValue* args);
     52 
     53   // Callback for the "searchHistory" message.
     54   void HandleSearchHistory(const ListValue* args);
     55 
     56   // Callback for the "removeURLsOnOneDay" message.
     57   void HandleRemoveURLsOnOneDay(const ListValue* args);
     58 
     59   // Handle for "clearBrowsingData" message.
     60   void HandleClearBrowsingData(const ListValue* args);
     61 
     62  private:
     63   // Callback from the history system when the history list is available.
     64   void QueryComplete(HistoryService::Handle request_handle,
     65                      history::QueryResults* results);
     66 
     67   // Callback from the history system when visits were deleted.
     68   void RemoveComplete();
     69 
     70   // Extract the arguments from the call to HandleSearchHistory.
     71   void ExtractSearchHistoryArguments(const ListValue* args,
     72                                      int* month,
     73                                      string16* query);
     74 
     75   // Figure out the query options for a month-wide query.
     76   history::QueryOptions CreateMonthQueryOptions(int month);
     77 
     78   // Current search text.
     79   string16 search_text_;
     80 
     81   // Our consumer for search requests to the history service.
     82   CancelableRequestConsumerT<int, 0> cancelable_search_consumer_;
     83 
     84   // Our consumer for delete requests to the history service.
     85   CancelableRequestConsumerT<int, 0> cancelable_delete_consumer_;
     86 
     87   DISALLOW_COPY_AND_ASSIGN(BrowsingHistoryHandler2);
     88 };
     89 
     90 class HistoryUI2 : public WebUI {
     91  public:
     92   explicit HistoryUI2(TabContents* contents);
     93 
     94   // Return the URL for a given search term.
     95   static const GURL GetHistoryURLWithSearchText(const string16& text);
     96 
     97   static RefCountedMemory* GetFaviconResourceBytes();
     98 
     99  private:
    100   DISALLOW_COPY_AND_ASSIGN(HistoryUI2);
    101 };
    102 
    103 #endif  // CHROME_BROWSER_UI_WEBUI_HISTORY2_UI_H_
    104