ui/views/layout/fill_layout.cc

   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/layout/fill_layout.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace views {
  10
  11 FillLayout::FillLayout() {}
  12
  13 FillLayout::~FillLayout() {}
  14
  15 void FillLayout::Layout(View* host) {
  16   if (!host->has_children())
  17     return;
  18
  19   View* frame_view = host->child_at(0);
  20   frame_view->SetBoundsRect(host->GetContentsBounds());
  21 }
  22
  23 gfx::Size FillLayout::GetPreferredSize(const View* host) const {
  24   if (!host->has_children())
  25     return gfx::Size();
  26   DCHECK_EQ(1, host->child_count());
  27   gfx::Rect rect(host->child_at(0)->GetPreferredSize());
  28   rect.Inset(-host->GetInsets());
  29   return rect.size();
  30 }
  31
  32 int FillLayout::GetPreferredHeightForWidth(const View* host, int width) const {
  33   if (!host->has_children())
  34     return 0;
  35   DCHECK_EQ(1, host->child_count());
  36   const gfx::Insets insets = host->GetInsets();
  37   return host->child_at(0)->GetHeightForWidth(width - insets.width()) +
  38       insets.height();
  39 }
  40
  41 }  // namespace views