| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_NTP_TILES_METRICS_H_ |
| #define COMPONENTS_NTP_TILES_METRICS_H_ |
| |
| #include <utility> |
| #include <vector> |
| |
| #include "components/ntp_tiles/ntp_tile.h" |
| #include "url/gurl.h" |
| |
| namespace rappor { |
| class RapporService; |
| } // namespace rappor |
| |
| namespace ntp_tiles { |
| namespace metrics { |
| |
| // The visual type of a most visited tile. |
| // |
| // These values must stay in sync with the MostVisitedTileType enum |
| // in histograms.xml. |
| // |
| // A Java counterpart will be generated for this enum. |
| // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.ntp |
| enum MostVisitedTileType { |
| // The icon or thumbnail hasn't loaded yet. |
| NONE, |
| // The item displays a site's actual favicon or touch icon. |
| ICON_REAL, |
| // The item displays a color derived from the site's favicon or touch icon. |
| ICON_COLOR, |
| // The item displays a default gray box in place of an icon. |
| ICON_DEFAULT, |
| // The number of different tile types that get recorded. Entries below this |
| // are not recorded in UMA. |
| NUM_RECORDED_TILE_TYPES, |
| // The item displays a thumbnail of the page. Used on desktop. |
| THUMBNAIL, |
| // The tile type has not been determined yet. Used on iOS, until we can detect |
| // when all tiles have loaded. |
| UNKNOWN_TILE_TYPE, |
| }; |
| |
| struct TileImpression { |
| TileImpression(NTPTileSource source, |
| MostVisitedTileType type, |
| const GURL& url) |
| : source(source), type(type), url(url) {} |
| |
| NTPTileSource source; |
| MostVisitedTileType type; |
| GURL url; |
| }; |
| |
| // Records an NTP impression, after all tiles have loaded. |
| // Includes the visual types (see above) of all visible tiles. If |
| // |rappor_service| is null, no rappor metrics will be reported. |
| void RecordPageImpression(const std::vector<TileImpression>& tiles, |
| rappor::RapporService* rappor_service); |
| |
| // Records a click on a tile. |
| void RecordTileClick(int index, |
| NTPTileSource source, |
| MostVisitedTileType tile_type); |
| |
| } // namespace metrics |
| } // namespace ntp_tiles |
| |
| #endif |