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// Copyright (c) 2010 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.
// This file defines the interface class AutocompletePopupView. Each toolkit
// will implement the popup view differently, so that code is inheriently
// platform specific. However, the AutocompletePopupModel needs to do some
// communication with the view. Since the model is shared between platforms,
// we need to define an interface that all view implementations will share.
#ifndef CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_POPUP_VIEW_H_
#define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_POPUP_VIEW_H_
#include "build/build_config.h"
class AutocompletePopupModel;
class AutocompletePopupView {
public:
virtual ~AutocompletePopupView() {}
// Returns true if the popup is currently open.
virtual bool IsOpen() const = 0;
// Invalidates one line of the autocomplete popup.
virtual void InvalidateLine(size_t line) = 0;
// Redraws the popup window to match any changes in the result set; this may
// mean opening or closing the window.
virtual void UpdatePopupAppearance() = 0;
// Paint any pending updates.
virtual void PaintUpdatesNow() = 0;
// This method is called when the view should cancel any active drag (e.g.
// because the user pressed ESC). The view may or may not need to take any
// action (e.g. releasing mouse capture). Note that this can be called when
// no drag is in progress.
virtual void OnDragCanceled() = 0;
// Returns the popup's model.
virtual AutocompletePopupModel* GetModel() = 0;
};
#endif // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_POPUP_VIEW_H_
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