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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "ui/views/examples/progress_bar_example.h" | 5 #include "ui/views/examples/progress_bar_example.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 | 8 |
| 9 #include "base/utf_string_conversions.h" | 9 #include "base/utf_string_conversions.h" |
| 10 #include "ui/views/controls/button/label_button.h" | 10 #include "ui/views/controls/button/label_button.h" |
| 11 #include "ui/views/controls/progress_bar.h" | 11 #include "ui/views/controls/progress_bar.h" |
| 12 #include "ui/views/layout/grid_layout.h" | 12 #include "ui/views/layout/grid_layout.h" |
| 13 #include "ui/views/view.h" | 13 #include "ui/views/view.h" |
| 14 | 14 |
| 15 namespace { | 15 namespace { |
| 16 | 16 |
| 17 const double kStepSize = 0.1; | 17 const double kStepSize = 0.1; |
| 18 | 18 |
| 19 double ClampToMin(double percent) { | 19 double ClampToLowerBound(double percent) { |
| 20 return std::min(std::max(percent, 0.0), 1.0); | 20 return std::min(std::max(percent, 0.0), 1.0); |
| 21 } | 21 } |
| 22 | 22 |
| 23 } // namespace | 23 } // namespace |
| 24 | 24 |
| 25 namespace views { | 25 namespace views { |
| 26 namespace examples { | 26 namespace examples { |
| 27 | 27 |
| 28 ProgressBarExample::ProgressBarExample() | 28 ProgressBarExample::ProgressBarExample() |
| 29 : ExampleBase("Progress Bar"), | 29 : ExampleBase("Progress Bar"), |
| (...skipping 24 matching lines...) Expand all Loading... |
| 54 minus_button_ = new LabelButton(this, ASCIIToUTF16("-")); | 54 minus_button_ = new LabelButton(this, ASCIIToUTF16("-")); |
| 55 layout->AddView(minus_button_); | 55 layout->AddView(minus_button_); |
| 56 progress_bar_ = new ProgressBar(); | 56 progress_bar_ = new ProgressBar(); |
| 57 layout->AddView(progress_bar_); | 57 layout->AddView(progress_bar_); |
| 58 plus_button_ = new LabelButton(this, ASCIIToUTF16("+")); | 58 plus_button_ = new LabelButton(this, ASCIIToUTF16("+")); |
| 59 layout->AddView(plus_button_); | 59 layout->AddView(plus_button_); |
| 60 } | 60 } |
| 61 | 61 |
| 62 void ProgressBarExample::ButtonPressed(Button* sender, const ui::Event& event) { | 62 void ProgressBarExample::ButtonPressed(Button* sender, const ui::Event& event) { |
| 63 if (sender == minus_button_) | 63 if (sender == minus_button_) |
| 64 current_percent_ = ClampToMin(current_percent_ - kStepSize); | 64 current_percent_ = ClampToLowerBound(current_percent_ - kStepSize); |
| 65 else if (sender == plus_button_) | 65 else if (sender == plus_button_) |
| 66 current_percent_ = ClampToMin(current_percent_ + kStepSize); | 66 current_percent_ = ClampToLowerBound(current_percent_ + kStepSize); |
| 67 | 67 |
| 68 progress_bar_->SetValue(current_percent_); | 68 progress_bar_->SetValue(current_percent_); |
| 69 } | 69 } |
| 70 | 70 |
| 71 } // namespace examples | 71 } // namespace examples |
| 72 } // namespace views | 72 } // namespace views |
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