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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/oak/oak_window.h"
      6 
      7 #include "base/strings/utf_string_conversions.h"
      8 #include "grit/ui_resources.h"
      9 #include "ui/aura/root_window.h"
     10 #include "ui/base/resource/resource_bundle.h"
     11 #include "ui/gfx/canvas.h"
     12 #include "ui/gfx/image/image.h"
     13 #include "ui/oak/oak.h"
     14 #include "ui/oak/oak_aura_window_display.h"
     15 #include "ui/views/controls/table/table_view.h"
     16 #include "ui/views/controls/tree/tree_view.h"
     17 #include "ui/views/layout/layout_constants.h"
     18 #include "ui/views/widget/widget.h"
     19 
     20 namespace oak {
     21 namespace internal {
     22 namespace {
     23 const SkColor kBorderColor = SkColorSetRGB(0xCC, 0xCC, 0xCC);
     24 }  // namespace
     25 
     26 // static
     27 views::Widget* OakWindow::instance = NULL;
     28 
     29 ////////////////////////////////////////////////////////////////////////////////
     30 // OakWindow, public:
     31 
     32 OakWindow::OakWindow() : tree_container_(NULL) {}
     33 
     34 OakWindow::~OakWindow() {
     35   // The tree/table need to be destroyed before the model.
     36   tree_.reset();
     37   details_.reset();
     38 }
     39 
     40 ////////////////////////////////////////////////////////////////////////////////
     41 // OakWindow, views::WidgetDelegateView implementation:
     42 
     43 bool OakWindow::CanResize() const {
     44   return true;
     45 }
     46 
     47 bool OakWindow::CanMaximize() const {
     48   return true;
     49 }
     50 
     51 base::string16 OakWindow::GetWindowTitle() const {
     52   return ASCIIToUTF16("Oak");
     53 }
     54 
     55 views::View* OakWindow::GetContentsView() {
     56   return this;
     57 }
     58 
     59 gfx::ImageSkia OakWindow::GetWindowIcon() {
     60   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
     61   return *rb.GetImageNamed(IDR_OAK).ToImageSkia();
     62 }
     63 
     64 bool OakWindow::ShouldShowWindowIcon() const {
     65   return true;
     66 }
     67 
     68 void OakWindow::DeleteDelegate() {
     69   instance = NULL;
     70   delete this;
     71 }
     72 
     73 ////////////////////////////////////////////////////////////////////////////////
     74 // OakWindow, views::View overrides:
     75 
     76 void OakWindow::OnPaint(gfx::Canvas* canvas) {
     77   canvas->DrawColor(SK_ColorWHITE);
     78   canvas->FillRect(separator_rect_, kBorderColor);
     79 }
     80 
     81 void OakWindow::ViewHierarchyChanged(
     82     const ViewHierarchyChangedDetails& details) {
     83   if (details.is_add && details.child == this)
     84     Init();
     85 }
     86 
     87 void OakWindow::Layout() {
     88   gfx::Rect content_bounds = GetLocalBounds();
     89   content_bounds.Inset(views::kPanelHorizMargin, views::kPanelVertMargin);
     90 
     91   int tree_height =
     92       (content_bounds.height() / 2) - views::kUnrelatedControlVerticalSpacing;
     93   gfx::Rect tree_bounds = content_bounds;
     94   tree_bounds.set_height(tree_height);
     95   tree_container_->SetBoundsRect(tree_bounds);
     96 
     97   separator_rect_ = content_bounds;
     98   separator_rect_.set_y(
     99       tree_bounds.bottom() + views::kRelatedControlVerticalSpacing);
    100   separator_rect_.set_height(1);
    101 
    102   gfx::Rect details_bounds = content_bounds;
    103   details_bounds.set_y(
    104       separator_rect_.bottom() + views::kRelatedControlVerticalSpacing);
    105   details_bounds.set_height(content_bounds.bottom() - details_bounds.y());
    106   details_container_->SetBoundsRect(details_bounds);
    107 }
    108 
    109 ////////////////////////////////////////////////////////////////////////////////
    110 // OakWindow, views::TreeViewController implementation:
    111 
    112 void OakWindow::OnTreeViewSelectionChanged(views::TreeView* tree) {
    113   details_model_->SetValue(tree_model_->AsNode(tree->GetSelectedNode())->value);
    114 }
    115 
    116 ////////////////////////////////////////////////////////////////////////////////
    117 // OakWindow, private:
    118 
    119 void OakWindow::Init() {
    120   tree_model_.reset(
    121       GenerateModel(GetWidget()->GetNativeView()->GetRootWindow()));
    122   tree_.reset(new views::TreeView);
    123   tree_->set_owned_by_client();
    124   tree_->SetController(this);
    125   tree_->SetModel(tree_model_.get());
    126   tree_container_ = tree_->CreateParentIfNecessary();
    127   AddChildView(tree_container_);
    128 
    129   details_model_.reset(new OakAuraWindowDisplay);
    130   std::vector<ui::TableColumn> columns;
    131   columns.push_back(ui::TableColumn());
    132   details_.reset(new views::TableView(details_model_.get(),
    133                                       columns,
    134                                       views::TEXT_ONLY,
    135                                       true));
    136   details_->set_owned_by_client();
    137   details_container_ = details_->CreateParentIfNecessary();
    138   details_->SetModel(details_model_.get());
    139   AddChildView(details_container_);
    140 
    141   OnTreeViewSelectionChanged(tree_.get());
    142 }
    143 
    144 }  // namespace internal
    145 
    146 void ShowOakWindowWithContext(gfx::NativeView context) {
    147   if (!internal::OakWindow::instance) {
    148     // TODO(erg): Do we want to reuse this window in times with a different
    149     // context? For now, this is OK, but if we ever use Oak outside of the ash
    150     // shell, we run into crbug.com/165759.
    151     internal::OakWindow::instance =
    152         views::Widget::CreateWindowWithContextAndBounds(
    153             new internal::OakWindow, context, gfx::Rect(10, 10, 500, 500));
    154   }
    155   internal::OakWindow::instance->Show();
    156 }
    157 
    158 }  // namespace oak
    159