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 "ui/views/examples/throbber_example.h" 6 7 #include "ui/views/controls/throbber.h" 8 #include "ui/views/layout/fill_layout.h" 9 #include "ui/views/view.h" 10 11 namespace views { 12 namespace examples { 13 14 namespace { 15 16 // Time in ms per throbber frame. 17 const int kThrobberFrameMs = 60; 18 19 class ThrobberView : public View { 20 public: ThrobberView()21 ThrobberView() { 22 throbber_ = new Throbber(kThrobberFrameMs, false); 23 AddChildView(throbber_); 24 throbber_->SetVisible(true); 25 throbber_->Start(); 26 } 27 GetPreferredSize()28 virtual gfx::Size GetPreferredSize() OVERRIDE { 29 return gfx::Size(width(), height()); 30 } 31 Layout()32 virtual void Layout() OVERRIDE { 33 View* child = child_at(0); 34 gfx::Size ps = child->GetPreferredSize(); 35 child->SetBounds((width() - ps.width()) / 2, 36 (height() - ps.height()) / 2, 37 ps.width(), ps.height()); 38 SizeToPreferredSize(); 39 } 40 41 private: 42 Throbber* throbber_; 43 44 DISALLOW_COPY_AND_ASSIGN(ThrobberView); 45 }; 46 47 } // namespace 48 ThrobberExample()49ThrobberExample::ThrobberExample() : ExampleBase("Throbber") { 50 } 51 ~ThrobberExample()52ThrobberExample::~ThrobberExample() { 53 } 54 CreateExampleView(View * container)55void ThrobberExample::CreateExampleView(View* container) { 56 container->SetLayoutManager(new FillLayout()); 57 container->AddChildView(new ThrobberView()); 58 } 59 60 } // namespace examples 61 } // namespace views 62