src/ui/views/examples/double_split_view_example.cc

   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
   3 // found in the LICENSE file.
   4
   5 #include "ui/views/examples/double_split_view_example.h"
   6
   7 #include "ui/views/controls/single_split_view.h"
   8 #include "ui/views/layout/grid_layout.h"
   9
  10 namespace views {
  11 namespace examples {
  12
  13 namespace {
  14
  15 // DoubleSplitViews's content, which draws gradient color on background.
  16 class SplittedView : public View {
  17  public:
  18   SplittedView();
  19   virtual ~SplittedView();
  20
  21   void SetColor(SkColor from, SkColor to);
  22
  23   // Overridden from View.
  24   virtual gfx::Size GetMinimumSize() OVERRIDE;
  25
  26  private:
  27   DISALLOW_COPY_AND_ASSIGN(SplittedView);
  28 };
  29
  30 SplittedView::SplittedView() {
  31   SetColor(SK_ColorRED, SK_ColorGREEN);
  32 }
  33
  34 SplittedView::~SplittedView() {
  35 }
  36
  37 void SplittedView::SetColor(SkColor from, SkColor to) {
  38   set_background(Background::CreateVerticalGradientBackground(from, to));
  39 }
  40
  41 gfx::Size SplittedView::GetMinimumSize() {
  42   return gfx::Size(10, 10);
  43 }
  44
  45 }  // namespace
  46
  47 DoubleSplitViewExample::DoubleSplitViewExample()
  48     : ExampleBase("Double Split View") {
  49 }
  50
  51 DoubleSplitViewExample::~DoubleSplitViewExample() {
  52 }
  53
  54 void DoubleSplitViewExample::CreateExampleView(View* container) {
  55   SplittedView* splitted_view_1 = new SplittedView();
  56   SplittedView* splitted_view_2 = new SplittedView();
  57   SplittedView* splitted_view_3 = new SplittedView();
  58
  59   inner_single_split_view_ = new SingleSplitView(
  60       splitted_view_1, splitted_view_2,
  61       SingleSplitView::HORIZONTAL_SPLIT,
  62       NULL);
  63
  64   outer_single_split_view_ = new SingleSplitView(
  65       inner_single_split_view_, splitted_view_3,
  66       SingleSplitView::HORIZONTAL_SPLIT,
  67       NULL);
  68
  69   GridLayout* layout = new GridLayout(container);
  70   container->SetLayoutManager(layout);
  71
  72   // Add scroll view.
  73   ColumnSet* column_set = layout->AddColumnSet(0);
  74   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
  75                         GridLayout::USE_PREF, 0, 0);
  76   layout->StartRow(1, 0);
  77   layout->AddView(outer_single_split_view_);
  78 }
  79
  80 }  // namespace examples
  81 }  // namespace views