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// Copyright (c) 2006-2008 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 AutocompleteEditView;
class AutocompletePopupModel;
namespace gfx {
class Font;
class Rect;
}
#if defined(OS_WIN) || defined(OS_LINUX)
class AutocompleteEditViewWin;
class AutocompleteEditModel;
class Profile;
#endif
// An object in the browser UI can implement this interface to provide display
// bounds for the autocomplete popup view.
class AutocompletePopupPositioner {
public:
virtual ~AutocompletePopupPositioner() { }
// Returns the bounds at which the popup should be shown, in screen
// coordinates. The height is ignored, since the popup is sized to its
// contents automatically.
virtual gfx::Rect GetPopupBounds() const = 0;
};
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;
// Called by the model when hover is enabled or disabled.
virtual void OnHoverEnabledOrDisabled(bool disabled) = 0;
// Paint any pending updates.
virtual void PaintUpdatesNow() = 0;
// Returns the popup's model.
virtual AutocompletePopupModel* GetModel() = 0;
#if defined(OS_WIN) || defined(OS_LINUX)
// Create a popup view implementation. It may make sense for this to become
// platform independent eventually.
static AutocompletePopupView* CreatePopupView(
const gfx::Font& font,
AutocompleteEditView* edit_view,
AutocompleteEditModel* edit_model,
Profile* profile,
AutocompletePopupPositioner* popup_positioner);
#endif
};
#endif // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_POPUP_VIEW_H_
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