components/omnibox/autocomplete_provider_client.h

   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_OMNIBOX_AUTOCOMPLETE_PROVIDER_CLIENT_H_
   6 #define COMPONENTS_OMNIBOX_AUTOCOMPLETE_PROVIDER_CLIENT_H_
   7
   8 #include "base/strings/string16.h"
   9 #include "components/history/core/browser/keyword_id.h"
  10 #include "components/metrics/proto/omnibox_event.pb.h"
  11
  12 struct AutocompleteMatch;
  13 class AutocompleteSchemeClassifier;
  14 class GURL;
  15
  16 namespace history {
  17 class URLDatabase;
  18 }
  19
  20 namespace net {
  21 class URLRequestContextGetter;
  22 }
  23
  24 class AutocompleteProviderClient {
  25  public:
  26   virtual ~AutocompleteProviderClient() {}
  27
  28   // Returns the request context.
  29   virtual net::URLRequestContextGetter* RequestContext() = 0;
  30
  31   // Returns whether the provider should work in incognito mode.
  32   virtual bool IsOffTheRecord() = 0;
  33
  34   // The value to use for Accept-Languages HTTP header when making an HTTP
  35   // request.
  36   virtual std::string AcceptLanguages() = 0;
  37
  38   // Returns true when suggest support is enabled.
  39   virtual bool SearchSuggestEnabled() = 0;
  40
  41   // Returns whether the bookmark bar is visible on all tabs.
  42   virtual bool ShowBookmarkBar() = 0;
  43
  44   // Returns the scheme classifier.
  45   virtual const AutocompleteSchemeClassifier& SchemeClassifier() = 0;
  46
  47   // Given some string |text| that the user wants to use for navigation,
  48   // determines how it should be interpreted.
  49   virtual void Classify(
  50       const base::string16& text,
  51       bool prefer_keyword,
  52       bool allow_exact_keyword_match,
  53       metrics::OmniboxEventProto::PageClassification page_classification,
  54       AutocompleteMatch* match,
  55       GURL* alternate_nav_url) = 0;
  56
  57   // Returns the in-memory URL database.
  58   virtual history::URLDatabase* InMemoryDatabase() = 0;
  59
  60   // Deletes all URL and search term entries matching the given |term| and
  61   // |keyword_id| from history.
  62   virtual void DeleteMatchingURLsForKeywordFromHistory(
  63       history::KeywordID keyword_id,
  64       const base::string16& term) = 0;
  65
  66   // Returns whether the user has tab sync enabled and tab sync is unencrypted.
  67   virtual bool TabSyncEnabledAndUnencrypted() = 0;
  68
  69   // Starts prefetching the image at the given |url|.
  70   virtual void PrefetchImage(const GURL& url) = 0;
  71 };
  72
  73 #endif  // COMPONENTS_OMNIBOX_AUTOCOMPLETE_PROVIDER_CLIENT_H_