| // Copyright (c) 2011 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_BUTTON_BUTTON_H_ |
| #define UI_VIEWS_CONTROLS_BUTTON_BUTTON_H_ |
| |
| #include "ui/native_theme/native_theme.h" |
| #include "ui/views/view.h" |
| |
| namespace views { |
| |
| class Button; |
| class Event; |
| |
| // An interface implemented by an object to let it know that a button was |
| // pressed. |
| class VIEWS_EXPORT ButtonListener { |
| public: |
| virtual void ButtonPressed(Button* sender, const ui::Event& event) = 0; |
| |
| protected: |
| virtual ~ButtonListener() {} |
| }; |
| |
| // A View representing a button. Depending on the specific type, the button |
| // could be implemented by a native control or custom rendered. |
| class VIEWS_EXPORT Button : public View { |
| public: |
| virtual ~Button(); |
| |
| // Button states for various button sub-types. |
| enum ButtonState { |
| STATE_NORMAL = 0, |
| STATE_HOVERED, |
| STATE_PRESSED, |
| STATE_DISABLED, |
| STATE_COUNT, |
| }; |
| |
| // Button styles with associated images and border painters. |
| // TODO(msw): Add Menu, ComboBox, etc. |
| enum ButtonStyle { |
| STYLE_BUTTON = 0, |
| STYLE_TEXTBUTTON, |
| STYLE_COUNT, |
| }; |
| |
| static ButtonState GetButtonStateFrom(ui::NativeTheme::State state); |
| |
| void SetTooltipText(const base::string16& tooltip_text); |
| |
| int tag() const { return tag_; } |
| void set_tag(int tag) { tag_ = tag; } |
| |
| void SetAccessibleName(const base::string16& name); |
| |
| // Overridden from View: |
| virtual bool GetTooltipText(const gfx::Point& p, |
| base::string16* tooltip) const override; |
| virtual void GetAccessibleState(ui::AXViewState* state) override; |
| |
| protected: |
| // Construct the Button with a Listener. The listener can be NULL. This can be |
| // true of buttons that don't have a listener - e.g. menubuttons where there's |
| // no default action and checkboxes. |
| explicit Button(ButtonListener* listener); |
| |
| // Cause the button to notify the listener that a click occurred. |
| virtual void NotifyClick(const ui::Event& event); |
| |
| // The button's listener. Notified when clicked. |
| ButtonListener* listener_; |
| |
| private: |
| // The text shown in a tooltip. |
| base::string16 tooltip_text_; |
| |
| // Accessibility data. |
| base::string16 accessible_name_; |
| |
| // The id tag associated with this button. Used to disambiguate buttons in |
| // the ButtonListener implementation. |
| int tag_; |
| |
| DISALLOW_COPY_AND_ASSIGN(Button); |
| }; |
| |
| } // namespace views |
| |
| #endif // UI_VIEWS_CONTROLS_BUTTON_BUTTON_H_ |