chrome/renderer/searchbox/searchbox.h

   1 // Copyright 2012 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 CHROME_RENDERER_SEARCHBOX_SEARCHBOX_H_
   6 #define CHROME_RENDERER_SEARCHBOX_SEARCHBOX_H_
   7
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "base/strings/string16.h"
  12 #include "chrome/common/instant_types.h"
  13 #include "chrome/common/ntp_logging_events.h"
  14 #include "chrome/common/omnibox_focus_state.h"
  15 #include "chrome/renderer/instant_restricted_id_cache.h"
  16 #include "content/public/renderer/render_view_observer.h"
  17 #include "content/public/renderer/render_view_observer_tracker.h"
  18 #include "ui/base/window_open_disposition.h"
  19 #include "url/gurl.h"
  20
  21 namespace content {
  22 class RenderView;
  23 }
  24
  25 class SearchBox : public content::RenderViewObserver,
  26                   public content::RenderViewObserverTracker<SearchBox> {
  27  public:
  28   explicit SearchBox(content::RenderView* render_view);
  29   ~SearchBox() override;
  30
  31   // Sends ChromeViewHostMsg_LogEvent to the browser.
  32   void LogEvent(NTPLoggingEventType event);
  33
  34   // Sends ChromeViewHostMsg_LogMostVisitedImpression to the browser.
  35   void LogMostVisitedImpression(int position, const base::string16& provider);
  36
  37   // Sends ChromeViewHostMsg_LogMostVisitedNavigation to the browser.
  38   void LogMostVisitedNavigation(int position, const base::string16& provider);
  39
  40   // Sends ChromeViewHostMsg_ChromeIdentityCheck to the browser.
  41   void CheckIsUserSignedInToChromeAs(const base::string16& identity);
  42
  43   // Sends ChromeViewHostMsg_SearchBoxDeleteMostVisitedItem to the browser.
  44   void DeleteMostVisitedItem(InstantRestrictedID most_visited_item_id);
  45
  46   // Generates the favicon URL of the most visited item specified by the
  47   // |transient_url|. If the |transient_url| is valid, returns true and fills in
  48   // |url|. If the |transient_url| is invalid, returns true and |url| is set to
  49   // "chrome-search://favicon/" in order to prevent the invalid URL to be
  50   // requested.
  51   //
  52   // Valid forms of |transient_url|:
  53   //    chrome-search://favicon/<view_id>/<restricted_id>
  54   //    chrome-search://favicon/<favicon_parameters>/<view_id>/<restricted_id>
  55   bool GenerateFaviconURLFromTransientURL(const GURL& transient_url,
  56                                           GURL* url) const;
  57
  58   // Generates the thumbnail URL of the most visited item specified by the
  59   // |transient_url|. If the |transient_url| is valid, returns true and fills in
  60   // |url|. If the |transient_url| is invalid, returns false  and |url| is not
  61   // set.
  62   //
  63   // Valid form of |transient_url|:
  64   //    chrome-search://thumb/<render_view_id>/<most_visited_item_id>
  65   bool GenerateThumbnailURLFromTransientURL(const GURL& transient_url,
  66                                             GURL* url) const;
  67
  68   // Returns the latest most visited items sent by the browser.
  69   void GetMostVisitedItems(
  70       std::vector<InstantMostVisitedItemIDPair>* items) const;
  71
  72   // If the |most_visited_item_id| is found in the cache, sets |item| to it
  73   // and returns true.
  74   bool GetMostVisitedItemWithID(InstantRestrictedID most_visited_item_id,
  75                                 InstantMostVisitedItem* item) const;
  76
  77   // Sends ChromeViewHostMsg_FocusOmnibox to the browser.
  78   void Focus();
  79
  80   // Sends ChromeViewHostMsg_SearchBoxNavigate to the browser.
  81   void NavigateToURL(const GURL& url,
  82                      WindowOpenDisposition disposition,
  83                      bool is_most_visited_item_url);
  84
  85   // Sends ChromeViewHostMsg_SearchBoxPaste to the browser.
  86   void Paste(const base::string16& text);
  87
  88   const ThemeBackgroundInfo& GetThemeBackgroundInfo();
  89   const EmbeddedSearchRequestParams& GetEmbeddedSearchRequestParams();
  90
  91   // Sends ChromeViewHostMsg_SetVoiceSearchSupported to the browser.
  92   void SetVoiceSearchSupported(bool supported);
  93
  94   // Sends ChromeViewHostMsg_StartCapturingKeyStrokes to the browser.
  95   void StartCapturingKeyStrokes();
  96
  97   // Sends ChromeViewHostMsg_StopCapturingKeyStrokes to the browser.
  98   void StopCapturingKeyStrokes();
  99
 100   // Sends ChromeViewHostMsg_SearchBoxUndoAllMostVisitedDeletions to the
 101   // browser.
 102   void UndoAllMostVisitedDeletions();
 103
 104   // Sends ChromeViewHostMsg_SearchBoxUndoMostVisitedDeletion to the browser.
 105   void UndoMostVisitedDeletion(InstantRestrictedID most_visited_item_id);
 106
 107   bool app_launcher_enabled() const { return app_launcher_enabled_; }
 108   bool is_focused() const { return is_focused_; }
 109   bool is_input_in_progress() const { return is_input_in_progress_; }
 110   bool is_key_capture_enabled() const { return is_key_capture_enabled_; }
 111   bool display_instant_results() const { return display_instant_results_; }
 112   const base::string16& query() const { return query_; }
 113   int start_margin() const { return start_margin_; }
 114   const InstantSuggestion& suggestion() const { return suggestion_; }
 115
 116  private:
 117   // Overridden from content::RenderViewObserver:
 118   bool OnMessageReceived(const IPC::Message& message) override;
 119
 120   void OnSetPageSequenceNumber(int page_seq_no);
 121   void OnChromeIdentityCheckResult(const base::string16& identity,
 122                                    bool identity_match);
 123   void OnDetermineIfPageSupportsInstant();
 124   void OnFocusChanged(OmniboxFocusState new_focus_state,
 125                       OmniboxFocusChangeReason reason);
 126   void OnMarginChange(int margin);
 127   void OnMostVisitedChanged(
 128       const std::vector<InstantMostVisitedItem>& items);
 129   void OnPromoInformationReceived(bool is_app_launcher_enabled);
 130   void OnSetDisplayInstantResults(bool display_instant_results);
 131   void OnSetInputInProgress(bool input_in_progress);
 132   void OnSetSuggestionToPrefetch(const InstantSuggestion& suggestion);
 133   void OnSubmit(const base::string16& query,
 134                 const EmbeddedSearchRequestParams& params);
 135   void OnThemeChanged(const ThemeBackgroundInfo& theme_info);
 136   void OnToggleVoiceSearch();
 137
 138   // Returns the current zoom factor of the render view or 1 on failure.
 139   double GetZoom() const;
 140
 141   // Sets the searchbox values to their initial value.
 142   void Reset();
 143
 144   // Returns the URL of the Most Visited item specified by the |item_id|.
 145   GURL GetURLForMostVisitedItem(InstantRestrictedID item_id) const;
 146
 147   int page_seq_no_;
 148   bool app_launcher_enabled_;
 149   bool is_focused_;
 150   bool is_input_in_progress_;
 151   bool is_key_capture_enabled_;
 152   bool display_instant_results_;
 153   InstantRestrictedIDCache<InstantMostVisitedItem> most_visited_items_cache_;
 154   ThemeBackgroundInfo theme_info_;
 155   base::string16 query_;
 156   EmbeddedSearchRequestParams embedded_search_request_params_;
 157   int start_margin_;
 158   InstantSuggestion suggestion_;
 159
 160   DISALLOW_COPY_AND_ASSIGN(SearchBox);
 161 };
 162
 163 #endif  // CHROME_RENDERER_SEARCHBOX_SEARCHBOX_H_