1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef APPS_UI_VIEWS_APP_WINDOW_FRAME_VIEW_H_
6#define APPS_UI_VIEWS_APP_WINDOW_FRAME_VIEW_H_
7
8#include <string>
9
10#include "third_party/skia/include/core/SkColor.h"
11#include "ui/gfx/path.h"
12#include "ui/gfx/rect.h"
13#include "ui/gfx/size.h"
14#include "ui/views/controls/button/button.h"
15#include "ui/views/window/non_client_view.h"
16
17class SkRegion;
18
19namespace extensions {
20class NativeAppWindow;
21}
22
23namespace gfx {
24class Canvas;
25class Point;
26}
27
28namespace ui {
29class Event;
30}
31
32namespace views {
33class ImageButton;
34class Widget;
35}
36
37namespace apps {
38
39// A frameless or non-Ash, non-panel NonClientFrameView for app windows.
40class AppWindowFrameView : public views::NonClientFrameView,
41                           public views::ButtonListener {
42 public:
43  static const char kViewClassName[];
44
45  // AppWindowFrameView is used to draw frames for app windows when a non
46  // standard frame is needed. This occurs if there is no frame needed, or if
47  // there is a frame color.
48  // If |draw_frame| is true, the view draws its own window title area and
49  // controls, using |frame_color|. If |draw_frame| is not true, no frame is
50  // drawn.
51  // TODO(benwells): Refactor this to split out frameless and colored frame
52  // views. See http://crbug.com/359432.
53  AppWindowFrameView(views::Widget* widget,
54                     extensions::NativeAppWindow* window,
55                     bool draw_frame,
56                     const SkColor& active_frame_color,
57                     const SkColor& inactive_frame_color);
58  virtual ~AppWindowFrameView();
59
60  void Init();
61
62  void SetResizeSizes(int resize_inside_bounds_size,
63                      int resize_outside_bounds_size,
64                      int resize_area_corner_size);
65  int resize_inside_bounds_size() const {
66    return resize_inside_bounds_size_;
67  };
68
69 private:
70  // views::NonClientFrameView implementation.
71  virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
72  virtual gfx::Rect GetWindowBoundsForClientBounds(
73      const gfx::Rect& client_bounds) const OVERRIDE;
74  virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
75  virtual void GetWindowMask(const gfx::Size& size,
76                             gfx::Path* window_mask) OVERRIDE;
77  virtual void ResetWindowControls() OVERRIDE {}
78  virtual void UpdateWindowIcon() OVERRIDE {}
79  virtual void UpdateWindowTitle() OVERRIDE {}
80  virtual void SizeConstraintsChanged() OVERRIDE;
81
82  // views::View implementation.
83  virtual gfx::Size GetPreferredSize() const OVERRIDE;
84  virtual void Layout() OVERRIDE;
85  virtual const char* GetClassName() const OVERRIDE;
86  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
87  virtual gfx::Size GetMinimumSize() const OVERRIDE;
88  virtual gfx::Size GetMaximumSize() const OVERRIDE;
89
90  // views::ButtonListener implementation.
91  virtual void ButtonPressed(views::Button* sender,
92                             const ui::Event& event) OVERRIDE;
93
94  // Some button images we use depend on the color of the frame. This
95  // will set these images based on the color of the frame.
96  void SetButtonImagesForFrame();
97
98  // Return the current frame color based on the active state of the window.
99  SkColor CurrentFrameColor();
100
101  views::Widget* widget_;
102  extensions::NativeAppWindow* window_;
103  bool draw_frame_;
104  SkColor active_frame_color_;
105  SkColor inactive_frame_color_;
106  views::ImageButton* close_button_;
107  views::ImageButton* maximize_button_;
108  views::ImageButton* restore_button_;
109  views::ImageButton* minimize_button_;
110
111  // Allow resize for clicks this many pixels inside the bounds.
112  int resize_inside_bounds_size_;
113
114  // Allow resize for clicks  this many pixels outside the bounds.
115  int resize_outside_bounds_size_;
116
117  // Size in pixels of the lower-right corner resize handle.
118  int resize_area_corner_size_;
119
120  DISALLOW_COPY_AND_ASSIGN(AppWindowFrameView);
121};
122
123}  // namespace apps
124
125#endif  // APPS_UI_VIEWS_APP_WINDOW_FRAME_VIEW_H_
126