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1 // Copyright (c) 2011 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 "views/examples/throbber_example.h" | |
6 | |
7 #include "views/controls/throbber.h" | |
8 #include "views/layout/fill_layout.h" | |
9 #include "views/view.h" | |
10 | |
11 namespace { | |
12 | |
13 // Time in ms per throbber frame. | |
14 const int kThrobberFrameMs = 60; | |
15 | |
16 class ThrobberView : public views::View { | |
17 public: | |
18 ThrobberView() { | |
19 throbber_ = new views::Throbber(kThrobberFrameMs, false); | |
20 AddChildView(throbber_); | |
21 throbber_->SetVisible(true); | |
22 throbber_->Start(); | |
23 } | |
24 | |
25 virtual gfx::Size GetPreferredSize() { | |
26 return gfx::Size(width(), height()); | |
27 } | |
28 | |
29 virtual void Layout() { | |
30 views::View* child = child_at(0); | |
31 gfx::Size ps = child->GetPreferredSize(); | |
32 child->SetBounds((width() - ps.width()) / 2, | |
33 (height() - ps.height()) / 2, | |
34 ps.width(), ps.height()); | |
35 SizeToPreferredSize(); | |
36 } | |
37 | |
38 private: | |
39 views::Throbber* throbber_; | |
40 | |
41 DISALLOW_COPY_AND_ASSIGN(ThrobberView); | |
42 }; | |
43 | |
44 } // namespace | |
45 | |
46 namespace examples { | |
47 | |
48 ThrobberExample::ThrobberExample(ExamplesMain* main) | |
49 : ExampleBase(main, "Throbber") { | |
50 } | |
51 | |
52 ThrobberExample::~ThrobberExample() { | |
53 } | |
54 | |
55 void ThrobberExample::CreateExampleView(views::View* container) { | |
56 container->SetLayoutManager(new views::FillLayout()); | |
57 container->AddChildView(new ThrobberView()); | |
58 } | |
59 | |
60 } // namespace examples | |
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