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| 1 // Copyright 2014 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_BOOKMARKS_CORE_BROWSER_BOOKMARK_CLIENT_H_ | |
| 6 #define COMPONENTS_BOOKMARKS_CORE_BROWSER_BOOKMARK_CLIENT_H_ | |
| 7 | |
| 8 #include <set> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/callback.h" | |
| 12 #include "base/task/cancelable_task_tracker.h" | |
| 13 | |
| 14 class GURL; | |
| 15 class BookmarkNode; | |
| 16 | |
| 17 namespace base { | |
| 18 struct UserMetricsAction; | |
| 19 } | |
| 20 | |
| 21 namespace favicon_base { | |
| 22 struct FaviconImageResult; | |
| 23 } | |
| 24 | |
| 25 // This class abstracts operations that depends on the embedder's environment, | |
| 26 // e.g. Chrome. | |
| 27 class BookmarkClient { | |
| 28 public: | |
| 29 // Callback for GetFaviconImageForURL(). | |
| 30 typedef base::Callback<void(const favicon_base::FaviconImageResult&)> | |
| 31 FaviconImageCallback; | |
| 32 | |
| 33 // Types representing a set of BookmarkNode and a mapping from BookmarkNode | |
| 34 // to the number of time the corresponding URL has been typed by the user in | |
| 35 // the Omnibox. | |
| 36 typedef std::set<const BookmarkNode*> NodeSet; | |
| 37 typedef std::pair<const BookmarkNode*, int> NodeTypedCountPair; | |
| 38 typedef std::vector<NodeTypedCountPair> NodeTypedCountPairs; | |
| 39 | |
| 40 // Returns true if the embedder favors touch icons over favicons. | |
| 41 virtual bool PreferTouchIcon() = 0; | |
| 42 | |
| 43 // Requests the favicon of any of |icon_types| whose pixel sizes most | |
| 44 // closely match |desired_size_in_dip| (if value is 0, the largest favicon | |
| 45 // is returned) and desired scale factor for |page_url|. |callback| is run | |
| 46 // when the bits have been fetched. |icon_types| can be any combination of | |
| 47 // IconType value, but only one icon will be returned. | |
| 48 virtual base::CancelableTaskTracker::TaskId GetFaviconImageForURL( | |
| 49 const GURL& page_url, | |
| 50 int icon_types, | |
| 51 int desired_size_in_dip, | |
| 52 const FaviconImageCallback& callback, | |
| 53 base::CancelableTaskTracker* tracker); | |
| 54 | |
| 55 // Returns true if the embedder supports typed count for URL. | |
| 56 virtual bool SupportsTypedCountForNodes(); | |
| 57 | |
| 58 // Retrieves the number of time each BookmarkNode URL has been typed in | |
| 59 // the Omnibox by the user. | |
| 60 virtual void GetTypedCountForNodes( | |
| 61 const NodeSet& nodes, | |
| 62 NodeTypedCountPairs* node_typed_count_pairs); | |
| 63 | |
| 64 // Wrapper around RecordAction defined in base/metrics/user_metrics.h | |
| 65 // that ensure that the action is posted from the correct thread. | |
| 66 virtual void RecordAction(const base::UserMetricsAction& action) = 0; | |
| 67 | |
| 68 protected: | |
| 69 virtual ~BookmarkClient() {} | |
| 70 }; | |
| 71 | |
| 72 #endif // COMPONENTS_BOOKMARKS_CORE_BROWSER_BOOKMARK_CLIENT_H_ | |
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