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// Copyright 2012 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_INSTANT_INSTANT_TAB_H_
#define CHROME_BROWSER_INSTANT_INSTANT_TAB_H_
#include <vector>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/string16.h"
#include "chrome/browser/instant/instant_client.h"
struct InstantAutocompleteResult;
class InstantController;
namespace content {
class WebContents;
}
// InstantTab is used to communicate with a committed search results page, i.e.,
// an actual tab on the tab strip (compare: InstantLoader, which has a preview
// page that appears and disappears as the user types in the omnibox).
class InstantTab : public InstantClient::Delegate {
public:
// Doesn't take ownership of either |controller| or |contents|.
InstantTab(InstantController* controller, content::WebContents* contents);
virtual ~InstantTab();
content::WebContents* contents() const { return contents_; }
// Start observing |contents_| for messages. Sends a message to determine if
// the page supports the Instant API.
void Init();
// Calls through to methods of the same name on InstantClient.
void Update(const string16& text,
size_t selection_start,
size_t selection_end,
bool verbatim);
void Submit(const string16& text);
void SendAutocompleteResults(
const std::vector<InstantAutocompleteResult>& results);
void SetDisplayInstantResults(bool display_instant_results);
void UpOrDownKeyPressed(int count);
void SetMarginSize(int start, int end);
private:
// Overridden from InstantClient::Delegate:
virtual void SetSuggestions(
const std::vector<InstantSuggestion>& suggestions) OVERRIDE;
virtual void InstantSupportDetermined(bool supports_instant) OVERRIDE;
virtual void ShowInstantPreview(InstantShownReason reason,
int height,
InstantSizeUnits units) OVERRIDE;
virtual void StartCapturingKeyStrokes() OVERRIDE;
virtual void StopCapturingKeyStrokes() OVERRIDE;
virtual void RenderViewGone() OVERRIDE;
virtual void AboutToNavigateMainFrame(const GURL& url) OVERRIDE;
virtual void NavigateToURL(const GURL& url,
content::PageTransition transition) OVERRIDE;
InstantClient client_;
InstantController* const controller_;
content::WebContents* const contents_;
bool supports_instant_;
DISALLOW_COPY_AND_ASSIGN(InstantTab);
};
#endif // CHROME_BROWSER_INSTANT_INSTANT_TAB_H_
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