#define CHROME_BROWSER_UI_APP_LIST_SEARCH_MIXER_H_
#include "base/basictypes.h"
+#include "base/gtest_prod_util.h"
#include "base/memory/scoped_vector.h"
#include "chrome/browser/ui/app_list/search/history_types.h"
#include "ui/app_list/app_list_model.h"
namespace app_list {
+namespace test {
+FORWARD_DECLARE_TEST(MixerTest, Publish);
+}
+
+class ChromeSearchResult;
class SearchProvider;
// Mixer collects results from providers, sorts them and publishes them to the
void MixAndPublish(const KnownResults& known_results);
private:
+ FRIEND_TEST_ALL_PREFIXES(test::MixerTest, Publish);
+
+ // Used for sorting and mixing results.
+ struct SortData {
+ SortData();
+ SortData(ChromeSearchResult* result, double score);
+
+ bool operator<(const SortData& other) const;
+
+ ChromeSearchResult* result; // Not owned.
+ double score;
+ };
+ typedef std::vector<Mixer::SortData> SortedResults;
+
class Group;
typedef ScopedVector<Group> Groups;
+ // Publishes the given |new_results| to |ui_results|, deleting any existing
+ // results that are not in |new_results|. Results that already exist in
+ // |ui_results| are reused to avoid flickering caused by icon reload.
+ static void Publish(const SortedResults& results,
+ AppListModel::SearchResults* ui_results);
+
+ // Removes duplicates from |results|.
+ static void RemoveDuplicates(SortedResults* results);
+
void FetchResults(const KnownResults& known_results);
AppListModel::SearchResults* ui_results_; // Not owned.