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