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Diffstat (limited to 'views/controls/scrollbar/base_scroll_bar_thumb.h')
-rw-r--r-- | views/controls/scrollbar/base_scroll_bar_thumb.h | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/views/controls/scrollbar/base_scroll_bar_thumb.h b/views/controls/scrollbar/base_scroll_bar_thumb.h deleted file mode 100644 index 407b830..0000000 --- a/views/controls/scrollbar/base_scroll_bar_thumb.h +++ /dev/null @@ -1,82 +0,0 @@ -// 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 VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_THUMB_H_ -#define VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_THUMB_H_ -#pragma once - -#include "ui/gfx/size.h" -#include "views/controls/button/custom_button.h" -#include "views/controls/scrollbar/scroll_bar.h" -#include "views/view.h" - -namespace gfx { -class Canvas; -} - -namespace views { - -class BaseScrollBar; - -/////////////////////////////////////////////////////////////////////////////// -// -// BaseScrollBarThumb -// -// A view that acts as the thumb in the scroll bar track that the user can -// drag to scroll the associated contents view within the viewport. -// -/////////////////////////////////////////////////////////////////////////////// -class VIEWS_EXPORT BaseScrollBarThumb : public View { - public: - explicit BaseScrollBarThumb(BaseScrollBar* scroll_bar); - virtual ~BaseScrollBarThumb(); - - // Sets the size (width or height) of the thumb to the specified value. - void SetSize(int size); - - // Retrieves the size (width or height) of the thumb. - int GetSize() const; - - // Sets the position of the thumb on the x or y axis. - void SetPosition(int position); - - // Gets the position of the thumb on the x or y axis. - int GetPosition() const; - - // View overrides: - virtual gfx::Size GetPreferredSize() OVERRIDE = 0; - - protected: - // View overrides: - virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE = 0; - virtual void OnMouseEntered(const MouseEvent& event) OVERRIDE; - virtual void OnMouseExited(const MouseEvent& event) OVERRIDE; - virtual bool OnMousePressed(const MouseEvent& event) OVERRIDE; - virtual bool OnMouseDragged(const MouseEvent& event) OVERRIDE; - virtual void OnMouseReleased(const MouseEvent& event) OVERRIDE; - virtual void OnMouseCaptureLost() OVERRIDE; - - CustomButton::ButtonState GetState() const; - // Update our state and schedule a repaint when the mouse moves over us. - void SetState(CustomButton::ButtonState state); - - private: - // The BaseScrollBar that owns us. - BaseScrollBar* scroll_bar_; - - int drag_start_position_; - - // The position of the mouse on the scroll axis relative to the top of this - // View when the drag started. - int mouse_offset_; - - // The current state of the thumb button. - CustomButton::ButtonState state_; - - DISALLOW_COPY_AND_ASSIGN(BaseScrollBarThumb); -}; - -} // namespace views - -#endif // VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_THUMB_H_ |