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 11namespace views { 12namespace examples { 13 14namespace { 15 16// Time in ms per throbber frame. 17const int kThrobberFrameMs = 60; 18 19class ThrobberView : public View { 20 public: 21 ThrobberView() { 22 throbber_ = new Throbber(kThrobberFrameMs, false); 23 AddChildView(throbber_); 24 throbber_->SetVisible(true); 25 throbber_->Start(); 26 } 27 28 virtual gfx::Size GetPreferredSize() const OVERRIDE { 29 return gfx::Size(width(), height()); 30 } 31 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 49ThrobberExample::ThrobberExample() : ExampleBase("Throbber") { 50} 51 52ThrobberExample::~ThrobberExample() { 53} 54 55void ThrobberExample::CreateExampleView(View* container) { 56 container->SetLayoutManager(new FillLayout()); 57 container->AddChildView(new ThrobberView()); 58} 59 60} // namespace examples 61} // namespace views 62