chrome/browser/search/most_visited_iframe_source.h

   1 // Copyright 2013 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_SEARCH_MOST_VISITED_IFRAME_SOURCE_H_
   6 #define CHROME_BROWSER_SEARCH_MOST_VISITED_IFRAME_SOURCE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/gtest_prod_util.h"
  11 #include "chrome/browser/search/iframe_source.h"
  12
  13 // Serves HTML for displaying suggestions using iframes, e.g.
  14 // chrome-search://suggestion/loader.html
  15 class MostVisitedIframeSource : public IframeSource {
  16  public:
  17   MostVisitedIframeSource();
  18   ~MostVisitedIframeSource() override;
  19
  20   // Number of Most Visited elements on the NTP for logging purposes.
  21   static const int kNumMostVisited;
  22   // Name of the histogram keeping track of Most Visited clicks.
  23   static const char kMostVisitedHistogramName[];
  24
  25   // Overridden from IframeSource. Public for testing.
  26   void StartDataRequest(
  27       const std::string& path_and_query,
  28       int render_process_id,
  29       int render_frame_id,
  30       const content::URLDataSource::GotDataCallback& callback) override;
  31
  32  protected:
  33   // Overridden from IframeSource:
  34   std::string GetSource() const override;
  35
  36   bool ServesPath(const std::string& path) const override;
  37
  38  private:
  39   FRIEND_TEST_ALL_PREFIXES(MostVisitedIframeSourceTest,
  40                            LogEndpointIsValidWithProvider);
  41
  42   DISALLOW_COPY_AND_ASSIGN(MostVisitedIframeSource);
  43 };
  44
  45 #endif  // CHROME_BROWSER_SEARCH_MOST_VISITED_IFRAME_SOURCE_H_