• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 
FixedSizedScrollView()9 FixedSizedScrollView::FixedSizedScrollView() {
10   set_notify_enter_exit_on_child(true);
11 }
12 
~FixedSizedScrollView()13 FixedSizedScrollView::~FixedSizedScrollView() {
14 }
15 
SetContentsView(views::View * view)16 void FixedSizedScrollView::SetContentsView(views::View* view) {
17   SetContents(view);
18   view->SetBoundsRect(gfx::Rect(view->GetPreferredSize()));
19 }
20 
SetFixedSize(const gfx::Size & size)21 void FixedSizedScrollView::SetFixedSize(const gfx::Size& size) {
22   if (fixed_size_ == size)
23     return;
24   fixed_size_ = size;
25   PreferredSizeChanged();
26 }
27 
GetPreferredSize() const28 gfx::Size FixedSizedScrollView::GetPreferredSize() const {
29   gfx::Size size = fixed_size_.IsEmpty() ?
30       contents()->GetPreferredSize() : fixed_size_;
31   gfx::Insets insets = GetInsets();
32   size.Enlarge(insets.width(), insets.height());
33   return size;
34 }
35 
Layout()36 void FixedSizedScrollView::Layout() {
37   gfx::Rect bounds = gfx::Rect(contents()->GetPreferredSize());
38   bounds.set_width(std::max(0, width() - GetScrollBarWidth()));
39   contents()->SetBoundsRect(bounds);
40 
41   views::ScrollView::Layout();
42   if (!vertical_scroll_bar()->visible()) {
43     gfx::Rect bounds = contents()->bounds();
44     bounds.set_width(bounds.width() + GetScrollBarWidth());
45     contents()->SetBoundsRect(bounds);
46   }
47 }
48 
OnBoundsChanged(const gfx::Rect & previous_bounds)49 void FixedSizedScrollView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
50   gfx::Rect bounds = gfx::Rect(contents()->GetPreferredSize());
51   bounds.set_width(std::max(0, width() - GetScrollBarWidth()));
52   contents()->SetBoundsRect(bounds);
53 }
54 
55 }  // namespace ash
56