1 // Copyright 2013 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 #include "mojo/services/native_viewport/native_viewport.h"
6
7 #include "ui/events/event.h"
8 #include "ui/gfx/win/window_impl.h"
9
10 namespace mojo {
11 namespace services {
12
13 class NativeViewportWin : public gfx::WindowImpl,
14 public NativeViewport {
15 public:
NativeViewportWin(NativeViewportDelegate * delegate)16 explicit NativeViewportWin(NativeViewportDelegate* delegate)
17 : delegate_(delegate) {
18 }
~NativeViewportWin()19 virtual ~NativeViewportWin() {
20 if (IsWindow(hwnd()))
21 DestroyWindow(hwnd());
22 }
23
24 private:
25 // Overridden from NativeViewport:
GetSize()26 virtual gfx::Size GetSize() OVERRIDE {
27 RECT cr;
28 GetClientRect(hwnd(), &cr);
29 return gfx::Size(cr.right - cr.left, cr.bottom - cr.top);
30 }
31
Init()32 virtual void Init() OVERRIDE {
33 gfx::WindowImpl::Init(NULL, gfx::Rect(10, 10, 500, 500));
34 ShowWindow(hwnd(), SW_SHOWNORMAL);
35 SetWindowText(hwnd(), L"native_viewport::NativeViewportWin!");
36 }
37
Close()38 virtual void Close() OVERRIDE {
39 DestroyWindow(hwnd());
40 }
41
SetCapture()42 virtual void SetCapture() OVERRIDE {
43 DCHECK(::GetCapture() != hwnd());
44 ::SetCapture(hwnd());
45 }
46
ReleaseCapture()47 virtual void ReleaseCapture() OVERRIDE {
48 if (::GetCapture() == hwnd())
49 ::ReleaseCapture();
50 }
51
52 BEGIN_MSG_MAP_EX(NativeViewportWin)
MESSAGE_RANGE_HANDLER_EX(WM_MOUSEFIRST,WM_MOUSELAST,OnMouseRange)53 MESSAGE_RANGE_HANDLER_EX(WM_MOUSEFIRST, WM_MOUSELAST, OnMouseRange)
54
55 MSG_WM_CREATE(OnCreate)
56 MSG_WM_PAINT(OnPaint)
57 MSG_WM_SIZE(OnSize)
58 MSG_WM_DESTROY(OnDestroy)
59 END_MSG_MAP()
60
61 LRESULT OnMouseRange(UINT message, WPARAM w_param, LPARAM l_param) {
62 MSG msg = { hwnd(), message, w_param, l_param, 0,
63 { GET_X_LPARAM(l_param), GET_Y_LPARAM(l_param) } };
64 ui::MouseEvent event(msg);
65 bool handled = delegate_->OnEvent(&event);
66 SetMsgHandled(handled);
67 return 0;
68 }
OnCreate(CREATESTRUCT * create_struct)69 LRESULT OnCreate(CREATESTRUCT* create_struct) {
70 delegate_->OnAcceleratedWidgetAvailable(hwnd());
71 return 0;
72 }
OnPaint(HDC)73 void OnPaint(HDC) {
74 RECT cr;
75 GetClientRect(hwnd(), &cr);
76
77 PAINTSTRUCT ps;
78 HDC dc = BeginPaint(hwnd(), &ps);
79 HBRUSH red_brush = CreateSolidBrush(RGB(255, 0, 0));
80 HGDIOBJ old_object = SelectObject(dc, red_brush);
81 Rectangle(dc, cr.left, cr.top, cr.right, cr.bottom);
82 SelectObject(dc, old_object);
83 DeleteObject(red_brush);
84 EndPaint(hwnd(), &ps);
85 }
OnSize(UINT param,const CSize & size)86 void OnSize(UINT param, const CSize& size) {
87 delegate_->OnResized(gfx::Size(size.cx, size.cy));
88 }
OnDestroy()89 void OnDestroy() {
90 delegate_->OnDestroyed();
91 }
92
93 NativeViewportDelegate* delegate_;
94
95 DISALLOW_COPY_AND_ASSIGN(NativeViewportWin);
96 };
97
98 // static
Create(shell::Context * context,NativeViewportDelegate * delegate)99 scoped_ptr<NativeViewport> NativeViewport::Create(
100 shell::Context* context,
101 NativeViewportDelegate* delegate) {
102 return scoped_ptr<NativeViewport>(new NativeViewportWin(delegate)).Pass();
103 }
104
105 } // namespace services
106 } // namespace mojo
107