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      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   virtual ~SplittedView();
     21 
     22   void SetColor(SkColor from, SkColor to);
     23 
     24   // Overridden from View.
     25   virtual gfx::Size GetMinimumSize() 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() {
     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
     83