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1 // Copyright 2016 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 COMPONENTS_NTP_TILES_WEBUI_SITE_TILES_HANDLER_H_ | |
6 #define COMPONENTS_NTP_TILES_WEBUI_SITE_TILES_HANDLER_H_ | |
Marc Treib
2016/12/09 10:52:12
Doesn't match the file name
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7 | |
8 #include <memory> | |
9 #include <string> | |
10 | |
11 #include "base/macros.h" | |
12 #include "base/memory/weak_ptr.h" | |
13 #include "components/ntp_tiles/most_visited_sites.h" | |
14 | |
15 namespace base { | |
16 class ListValue; | |
17 } // namespace base | |
18 | |
19 namespace ntp_tiles { | |
20 | |
21 class MostVisitedSites; | |
22 class SiteTilesInternalsMessageHandlerClient; | |
23 | |
24 // Implements the WebUI message handler for chrome://site-tiles-internals/ | |
25 // | |
26 // Because content and iOS use different implementations of WebUI, this class | |
27 // implements the generic portion and depends on the embedder to inject a bridge | |
28 // to the embedder's API. It cannot itself implement either API directly. | |
29 class SiteTilesInternalsMessageHandler : public MostVisitedSites::Observer { | |
30 public: | |
31 explicit SiteTilesInternalsMessageHandler(); | |
32 ~SiteTilesInternalsMessageHandler() override; | |
33 | |
34 // Called when the WebUI page's JavaScript has loaded and it is ready to | |
35 // receive RegisterMessageCallback() calls. | |
36 void RegisterMessages( | |
37 SiteTilesInternalsMessageHandlerClient* client); | |
38 | |
39 private: | |
40 // Callbacks registered in RegisterMessages(). | |
41 void HandleRegisterForEvents(const base::ListValue* args); | |
42 void HandleUpdate(const base::ListValue* args); | |
43 void HandleGetFavicon(const base::ListValue* args); | |
44 | |
45 void SendSourceInfo(); | |
46 void SendTiles(const NTPTilesVector& tiles); | |
47 | |
48 // MostVisitedSites::Observer. | |
49 void OnMostVisitedURLsAvailable(const NTPTilesVector& tiles) override; | |
50 void OnIconMadeAvailable(const GURL& site_url) override; | |
51 | |
52 // Bridge to embedder's API. | |
53 SiteTilesInternalsMessageHandlerClient* client_; | |
54 | |
55 int site_count_; | |
56 std::unique_ptr<MostVisitedSites> most_visited_sites_; | |
57 | |
58 base::WeakPtrFactory<SiteTilesInternalsMessageHandler> weak_ptr_factory_; | |
Marc Treib
2016/12/09 10:52:12
Unused I think
sfiera
2016/12/09 17:35:28
Ah, yes, it was just for the removed JSON reading
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59 | |
60 DISALLOW_COPY_AND_ASSIGN(SiteTilesInternalsMessageHandler); | |
61 }; | |
62 | |
63 } // namespace ntp_tiles | |
64 | |
65 #endif // COMPONENTS_NTP_TILES_WEBUI_SITE_TILES_HANDLER_H_ | |
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