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// Copyright 2013 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 CHROME_BROWSER_UI_SEARCH_INSTANT_IPC_SENDER_H_
#define CHROME_BROWSER_UI_SEARCH_INSTANT_IPC_SENDER_H_
#include <vector>
#include "base/memory/scoped_ptr.h"
#include "chrome/common/instant_types.h"
#include "chrome/common/omnibox_focus_state.h"
#include "content/public/browser/web_contents_observer.h"
namespace gfx {
class Rect;
}
namespace IPC {
class Sender;
}
class InstantIPCSender : public content::WebContentsObserver {
public:
// Creates a new instance of InstantIPCSender. If |is_incognito| is true,
// the instance will only send appropriate IPCs for incognito profiles.
static scoped_ptr<InstantIPCSender> Create(bool is_incognito);
virtual ~InstantIPCSender() {}
// Sets |web_contents| as the receiver of IPCs.
void SetContents(content::WebContents* web_contents);
// Tells the page that the user typed |text| into the omnibox. If |verbatim|
// is false, the page predicts the query the user means to type and fetches
// results for the prediction. If |verbatim| is true, |text| is taken as the
// exact query (no prediction is made). |selection_start| and |selection_end|
// mark the inline autocompleted portion (i.e., blue highlighted text). The
// omnibox caret (cursor) is at |selection_end|.
virtual void Update(const string16& text,
size_t selection_start,
size_t selection_end,
bool verbatim) {}
// Tells the page that the user pressed Enter in the omnibox.
virtual void Submit(const string16& text) {}
// Tells the page that the user clicked on it. Nothing is being cancelled; the
// poor choice of name merely reflects the IPC of the same (poor) name.
virtual void Cancel(const string16& text) {}
// Tells the page the bounds of the omnibox dropdown (in screen coordinates).
// This is used by the page to offset the results to avoid them being covered
// by the omnibox dropdown.
virtual void SetPopupBounds(const gfx::Rect& bounds) {}
// Tells the page the bounds of the omnibox (in screen coordinates). This is
// used by the page to align text or assets properly with the omnibox.
virtual void SetOmniboxBounds(const gfx::Rect& bounds) {}
// Tells the page about the font information.
virtual void SetFontInformation(const string16& omnibox_font_name,
size_t omnibox_font_size) {}
// Tells the page about the available autocomplete results.
virtual void SendAutocompleteResults(
const std::vector<InstantAutocompleteResult>& results) {}
// Tells the page that the user pressed Up or Down in the omnibox. |count| is
// a repeat count, negative for moving up, positive for moving down.
virtual void UpOrDownKeyPressed(int count) {}
// Tells the page that the user pressed Esc key in the omnibox.
virtual void EscKeyPressed() {}
// Tells the page that the user pressed Esc in the omnibox after having
// arrowed down in the suggestions. The page should reset the selection to
// the first suggestion. Arguments are the same as those for Update().
virtual void CancelSelection(const string16& user_text,
size_t selection_start,
size_t selection_end,
bool verbatim) {}
// Tells the page about the current theme background.
virtual void SendThemeBackgroundInfo(
const ThemeBackgroundInfo& theme_info) {}
// Tells the page whether it is allowed to display Instant results.
virtual void SetDisplayInstantResults(bool display_instant_results) {}
// Tells the page that the omnibox focus has changed.
virtual void FocusChanged(OmniboxFocusState state,
OmniboxFocusChangeReason reason) {}
// Tells the page that user input started or stopped.
virtual void SetInputInProgress(bool input_in_progress) {}
// Tells the page about new Most Visited data.
virtual void SendMostVisitedItems(
const std::vector<InstantMostVisitedItem>& items) {}
// Tells the page to toggle voice search.
virtual void ToggleVoiceSearch() {}
protected:
InstantIPCSender() {}
private:
DISALLOW_COPY_AND_ASSIGN(InstantIPCSender);
};
#endif // CHROME_BROWSER_UI_SEARCH_INSTANT_IPC_SENDER_H_
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