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 "ash/system/tray/fixed_sized_scroll_view.h" 6 7 namespace ash { 8 namespace internal { 9 10 FixedSizedScrollView::FixedSizedScrollView() { 11 set_notify_enter_exit_on_child(true); 12 } 13 14 FixedSizedScrollView::~FixedSizedScrollView() { 15 } 16 17 void FixedSizedScrollView::SetContentsView(views::View* view) { 18 SetContents(view); 19 view->SetBoundsRect(gfx::Rect(view->GetPreferredSize())); 20 } 21 22 void FixedSizedScrollView::SetFixedSize(const gfx::Size& size) { 23 if (fixed_size_ == size) 24 return; 25 fixed_size_ = size; 26 PreferredSizeChanged(); 27 } 28 29 gfx::Size FixedSizedScrollView::GetPreferredSize() { 30 gfx::Size size = fixed_size_.IsEmpty() ? 31 contents()->GetPreferredSize() : fixed_size_; 32 gfx::Insets insets = GetInsets(); 33 size.Enlarge(insets.width(), insets.height()); 34 return size; 35 } 36 37 void FixedSizedScrollView::Layout() { 38 gfx::Rect bounds = gfx::Rect(contents()->GetPreferredSize()); 39 bounds.set_width(std::max(0, width() - GetScrollBarWidth())); 40 contents()->SetBoundsRect(bounds); 41 42 views::ScrollView::Layout(); 43 if (!vertical_scroll_bar()->visible()) { 44 gfx::Rect bounds = contents()->bounds(); 45 bounds.set_width(bounds.width() + GetScrollBarWidth()); 46 contents()->SetBoundsRect(bounds); 47 } 48 } 49 50 void FixedSizedScrollView::OnBoundsChanged(const gfx::Rect& previous_bounds) { 51 gfx::Rect bounds = gfx::Rect(contents()->GetPreferredSize()); 52 bounds.set_width(std::max(0, width() - GetScrollBarWidth())); 53 contents()->SetBoundsRect(bounds); 54 } 55 56 void FixedSizedScrollView::OnPaintFocusBorder(gfx::Canvas* canvas) { 57 // Do not paint the focus border. 58 } 59 60 } // namespace internal 61 } // namespace ash 62
