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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/aura/window.h"
     11 #include "ui/base/resource/resource_bundle.h"
     12 #include "ui/gfx/canvas.h"
     13 #include "ui/gfx/image/image.h"
     14 #include "ui/oak/oak.h"
     15 #include "ui/oak/oak_aura_window_display.h"
     16 #include "ui/views/controls/table/table_view.h"
     17 #include "ui/views/controls/tree/tree_view.h"
     18 #include "ui/views/layout/layout_constants.h"
     19 #include "ui/views/widget/widget.h"
     20 
     21 namespace oak {
     22 namespace internal {
     23 namespace {
     24 const SkColor kBorderColor = SkColorSetRGB(0xCC, 0xCC, 0xCC);
     25 }  // namespace
     26 
     27 // static
     28 views::Widget* OakWindow::instance = NULL;
     29 
     30 ////////////////////////////////////////////////////////////////////////////////
     31 // OakWindow, public:
     32 
     33 OakWindow::OakWindow() : tree_container_(NULL) {}
     34 
     35 OakWindow::~OakWindow() {
     36   // The tree/table need to be destroyed before the model.
     37   tree_.reset();
     38   details_.reset();
     39 }
     40 
     41 ////////////////////////////////////////////////////////////////////////////////
     42 // OakWindow, views::WidgetDelegateView implementation:
     43 
     44 bool OakWindow::CanResize() const {
     45   return true;
     46 }
     47 
     48 bool OakWindow::CanMaximize() const {
     49   return true;
     50 }
     51 
     52 base::string16 OakWindow::GetWindowTitle() const {
     53   return ASCIIToUTF16("Oak");
     54 }
     55 
     56 views::View* OakWindow::GetContentsView() {
     57   return this;
     58 }
     59 
     60 gfx::ImageSkia OakWindow::GetWindowIcon() {
     61   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
     62   return *rb.GetImageNamed(IDR_OAK).ToImageSkia();
     63 }
     64 
     65 bool OakWindow::ShouldShowWindowIcon() const {
     66   return true;
     67 }
     68 
     69 void OakWindow::DeleteDelegate() {
     70   instance = NULL;
     71   delete this;
     72 }
     73 
     74 ////////////////////////////////////////////////////////////////////////////////
     75 // OakWindow, views::View overrides:
     76 
     77 void OakWindow::OnPaint(gfx::Canvas* canvas) {
     78   canvas->DrawColor(SK_ColorWHITE);
     79   canvas->FillRect(separator_rect_, kBorderColor);
     80 }
     81 
     82 void OakWindow::ViewHierarchyChanged(
     83     const ViewHierarchyChangedDetails& details) {
     84   if (details.is_add && details.child == this)
     85     Init();
     86 }
     87 
     88 void OakWindow::Layout() {
     89   gfx::Rect content_bounds = GetLocalBounds();
     90   content_bounds.Inset(views::kPanelHorizMargin, views::kPanelVertMargin);
     91 
     92   int tree_height =
     93       (content_bounds.height() / 2) - views::kUnrelatedControlVerticalSpacing;
     94   gfx::Rect tree_bounds = content_bounds;
     95   tree_bounds.set_height(tree_height);
     96   tree_container_->SetBoundsRect(tree_bounds);
     97 
     98   separator_rect_ = content_bounds;
     99   separator_rect_.set_y(
    100       tree_bounds.bottom() + views::kRelatedControlVerticalSpacing);
    101   separator_rect_.set_height(1);
    102 
    103   gfx::Rect details_bounds = content_bounds;
    104   details_bounds.set_y(
    105       separator_rect_.bottom() + views::kRelatedControlVerticalSpacing);
    106   details_bounds.set_height(content_bounds.bottom() - details_bounds.y());
    107   details_container_->SetBoundsRect(details_bounds);
    108 }
    109 
    110 ////////////////////////////////////////////////////////////////////////////////
    111 // OakWindow, views::TreeViewController implementation:
    112 
    113 void OakWindow::OnTreeViewSelectionChanged(views::TreeView* tree) {
    114   details_model_->SetValue(tree_model_->AsNode(tree->GetSelectedNode())->value);
    115 }
    116 
    117 ////////////////////////////////////////////////////////////////////////////////
    118 // OakWindow, private:
    119 
    120 void OakWindow::Init() {
    121   tree_model_.reset(
    122       GenerateModel(GetWidget()->GetNativeView()->GetRootWindow()));
    123   tree_.reset(new views::TreeView);
    124   tree_->set_owned_by_client();
    125   tree_->SetController(this);
    126   tree_->SetModel(tree_model_.get());
    127   tree_container_ = tree_->CreateParentIfNecessary();
    128   AddChildView(tree_container_);
    129 
    130   details_model_.reset(new OakAuraWindowDisplay);
    131   std::vector<ui::TableColumn> columns;
    132   columns.push_back(ui::TableColumn());
    133   details_.reset(new views::TableView(details_model_.get(),
    134                                       columns,
    135                                       views::TEXT_ONLY,
    136                                       true));
    137   details_->set_owned_by_client();
    138   details_container_ = details_->CreateParentIfNecessary();
    139   details_->SetModel(details_model_.get());
    140   AddChildView(details_container_);
    141 
    142   OnTreeViewSelectionChanged(tree_.get());
    143 }
    144 
    145 }  // namespace internal
    146 
    147 void ShowOakWindowWithContext(gfx::NativeView context) {
    148   if (!internal::OakWindow::instance) {
    149     // TODO(erg): Do we want to reuse this window in times with a different
    150     // context? For now, this is OK, but if we ever use Oak outside of the ash
    151     // shell, we run into crbug.com/165759.
    152     internal::OakWindow::instance =
    153         views::Widget::CreateWindowWithContextAndBounds(
    154             new internal::OakWindow, context, gfx::Rect(10, 10, 500, 500));
    155   }
    156   internal::OakWindow::instance->Show();
    157 }
    158 
    159 }  // namespace oak
    160