Merge XFA to PDFium master at 4dc95e7 on 10/28/2014
[pdfium.git] / xfa_test / pdf / button.h
1 // Copyright (c) 2010 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 PDF_BUTTON_H_
6 #define PDF_BUTTON_H_
7
8 #include "pdf/control.h"
9 #include "ppapi/cpp/image_data.h"
10 #include "ppapi/cpp/rect.h"
11
12 namespace chrome_pdf {
13
14 class Button : public Control {
15  public:
16   enum ButtonEventIds {
17     EVENT_ID_BUTTON_CLICKED,
18     EVENT_ID_BUTTON_STATE_CHANGED,
19   };
20
21   enum ButtonStyle {
22     BUTTON_CLICKABLE,
23     BUTTON_STATE
24   };
25
26   enum ButtonState {
27     BUTTON_NORMAL,
28     BUTTON_HIGHLIGHTED,
29     BUTTON_PRESSED,
30     BUTTON_PRESSED_STICKY,
31   };
32
33   Button();
34   virtual ~Button();
35   virtual bool CreateButton(uint32 id,
36                             const pp::Point& origin,
37                             bool visible,
38                             Control::Owner* delegate,
39                             ButtonStyle style,
40                             const pp::ImageData& face_normal,
41                             const pp::ImageData& face_highlighted,
42                             const pp::ImageData& face_pressed);
43
44   virtual void Paint(pp::ImageData* image_data, const pp::Rect& rc);
45   virtual bool HandleEvent(const pp::InputEvent& event);
46   virtual void OnEventCaptureReleased();
47   virtual void Show(bool visible, bool invalidate);
48   virtual void AdjustTransparency(uint8 transparency, bool invalidate);
49
50   ButtonState state() const { return state_; }
51   bool IsPressed() const { return state() == BUTTON_PRESSED_STICKY; }
52   void SetPressedState(bool pressed);
53
54  private:
55   void OnButtonClicked();
56
57   const pp::ImageData& GetCurrentImage();
58   void ChangeState(ButtonState new_state, bool force);
59
60   ButtonStyle style_;
61   ButtonState state_;
62   bool is_pressed_;
63
64   pp::ImageData normal_;
65   pp::ImageData highlighted_;
66   pp::ImageData pressed_;
67 };
68
69 }  // namespace chrome_pdf
70
71 #endif  // PDF_BUTTON_H_