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// Copyright (c) 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 UI_VIEWS_CONTROLS_COMBOBOX_NATIVE_COMBOBOX_VIEWS_H_
#define UI_VIEWS_CONTROLS_COMBOBOX_NATIVE_COMBOBOX_VIEWS_H_
#include "ui/views/controls/combobox/native_combobox_wrapper.h"
#include "ui/views/controls/menu/menu_delegate.h"
#include "ui/views/view.h"
namespace gfx {
class Canvas;
class Font;
}
namespace views {
class FocusableBorder;
class MenuRunner;
// A views/skia only implementation of NativeComboboxWrapper.
// No platform specific code is used.
class NativeComboboxViews : public views::View,
public NativeComboboxWrapper,
public views::MenuDelegate {
public:
static const char kViewClassName[];
explicit NativeComboboxViews(Combobox* combobox);
virtual ~NativeComboboxViews();
// views::View overrides:
virtual bool OnMousePressed(const ui::MouseEvent& mouse_event) OVERRIDE;
virtual bool OnMouseDragged(const ui::MouseEvent& mouse_event) OVERRIDE;
virtual bool OnKeyPressed(const ui::KeyEvent& key_event) OVERRIDE;
virtual bool OnKeyReleased(const ui::KeyEvent& key_event) OVERRIDE;
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
virtual void OnFocus() OVERRIDE;
virtual void OnBlur() OVERRIDE;
// ui::EventHandler overrides:
virtual void OnGestureEvent(ui::GestureEvent* gesture) OVERRIDE;
// NativeComboboxWrapper overrides:
virtual void UpdateFromModel() OVERRIDE;
virtual void UpdateSelectedIndex() OVERRIDE;
virtual void UpdateEnabled() OVERRIDE;
virtual int GetSelectedIndex() const OVERRIDE;
virtual bool IsDropdownOpen() const OVERRIDE;
virtual gfx::Size GetPreferredSize() OVERRIDE;
virtual View* GetView() OVERRIDE;
virtual void SetFocus() OVERRIDE;
virtual void ValidityStateChanged() OVERRIDE;
virtual bool HandleKeyPressed(const ui::KeyEvent& event) OVERRIDE;
virtual bool HandleKeyReleased(const ui::KeyEvent& event) OVERRIDE;
virtual void HandleFocus() OVERRIDE;
virtual void HandleBlur() OVERRIDE;
virtual gfx::NativeView GetTestingHandle() const OVERRIDE;
// MenuDelegate overrides:
virtual bool IsItemChecked(int id) const OVERRIDE;
virtual bool IsCommandEnabled(int id) const OVERRIDE;
virtual void ExecuteCommand(int id) OVERRIDE;
virtual bool GetAccelerator(int id, ui::Accelerator* accelerator) OVERRIDE;
private:
// Given bounds within our View, this helper routine mirrors the bounds if
// necessary.
void AdjustBoundsForRTLUI(gfx::Rect* rect) const;
// Draw the selected value of the drop down list
void PaintText(gfx::Canvas* canvas);
// Show the drop down list
void ShowDropDownMenu(ui::MenuSourceType source_type);
// The parent combobox, the owner of this object.
Combobox* combobox_;
// The reference to the border class. The object is owned by View::border_.
FocusableBorder* text_border_;
// The disclosure arrow next to the currently selected item from the list.
const gfx::ImageSkia* disclosure_arrow_;
// Responsible for showing the context menu.
scoped_ptr<MenuRunner> dropdown_list_menu_runner_;
// Is the drop down list showing
bool dropdown_open_;
// The selected index in the model. The default value is -1, which means no
// selection.
int selected_index_;
// The maximum dimensions of the content in the dropdown
int content_width_;
int content_height_;
DISALLOW_COPY_AND_ASSIGN(NativeComboboxViews);
};
} // namespace views
#endif // UI_VIEWS_CONTROLS_COMBOBOX_NATIVE_COMBOBOX_VIEWS_H_
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