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