ash/test/child_modal_window.cc

   1 // Copyright 2014 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 "ash/test/child_modal_window.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "ui/aura/window.h"
   9 #include "ui/gfx/canvas.h"
  10 #include "ui/views/background.h"
  11 #include "ui/views/controls/button/label_button.h"
  12 #include "ui/views/controls/native/native_view_host.h"
  13 #include "ui/views/controls/textfield/textfield.h"
  14 #include "ui/views/widget/widget.h"
  15 #include "ui/views/widget/widget_delegate.h"
  16 #include "ui/wm/core/window_modality_controller.h"
  17
  18 using views::Widget;
  19
  20 namespace ash {
  21 namespace test {
  22
  23 namespace {
  24
  25 // Parent window size and position.
  26 const int kWindowLeft = 170;
  27 const int kWindowTop = 200;
  28 const int kWindowWidth = 400;
  29 const int kWindowHeight = 400;
  30
  31 // Parent window layout.
  32 const int kButtonHeight = 35;
  33 const int kTextfieldHeight = 35;
  34
  35 // Child window size.
  36 const int kChildWindowWidth = 330;
  37 const int kChildWindowHeight = 200;
  38
  39 // Child window layout.
  40 const int kChildTextfieldLeft = 20;
  41 const int kChildTextfieldTop = 50;
  42 const int kChildTextfieldWidth = 290;
  43 const int kChildTextfieldHeight = 35;
  44
  45 const SkColor kModalParentColor = SK_ColorWHITE;
  46 const SkColor kChildColor = SK_ColorWHITE;
  47
  48 }  // namespace
  49
  50 void CreateChildModalParent(gfx::NativeView context) {
  51   Widget::CreateWindowWithContextAndBounds(
  52       new ChildModalParent(context),
  53       context,
  54       gfx::Rect(kWindowLeft, kWindowTop, kWindowWidth, kWindowHeight))->Show();
  55 }
  56
  57
  58 class ChildModalWindow : public views::WidgetDelegateView {
  59  public:
  60   ChildModalWindow();
  61   ~ChildModalWindow() override;
  62
  63  private:
  64   // Overridden from View:
  65   void OnPaint(gfx::Canvas* canvas) override;
  66   gfx::Size GetPreferredSize() const override;
  67
  68   // Overridden from WidgetDelegate:
  69   View* GetContentsView() override;
  70   base::string16 GetWindowTitle() const override;
  71   bool CanResize() const override;
  72   ui::ModalType GetModalType() const override;
  73
  74   DISALLOW_COPY_AND_ASSIGN(ChildModalWindow);
  75 };
  76
  77 ChildModalWindow::ChildModalWindow() {
  78   views::Textfield* textfield = new views::Textfield;
  79   AddChildView(textfield);
  80   textfield->SetBounds(
  81       kChildTextfieldLeft, kChildTextfieldTop,
  82       kChildTextfieldWidth, kChildTextfieldHeight);
  83 }
  84
  85 ChildModalWindow::~ChildModalWindow() {
  86 }
  87
  88 void ChildModalWindow::OnPaint(gfx::Canvas* canvas) {
  89   canvas->FillRect(GetLocalBounds(), kChildColor);
  90 }
  91
  92 gfx::Size ChildModalWindow::GetPreferredSize() const {
  93   return gfx::Size(kChildWindowWidth, kChildWindowHeight);
  94 }
  95
  96 views::View* ChildModalWindow::GetContentsView() {
  97   return this;
  98 }
  99
 100 base::string16 ChildModalWindow::GetWindowTitle() const {
 101   return base::ASCIIToUTF16("Examples: Child Modal Window");
 102 }
 103
 104 bool ChildModalWindow::CanResize() const {
 105   return false;
 106 }
 107
 108 ui::ModalType ChildModalWindow::GetModalType() const {
 109   return ui::MODAL_TYPE_CHILD;
 110 }
 111
 112 ChildModalParent::ChildModalParent(gfx::NativeView context)
 113     : button_(new views::LabelButton(this,
 114                                      base::ASCIIToUTF16(
 115                                          "Show/Hide Child Modal Window"))),
 116       textfield_(new views::Textfield),
 117       host_(new views::NativeViewHost),
 118       modal_parent_(NULL),
 119       child_(NULL) {
 120   Widget* widget = new Widget;
 121   Widget::InitParams params(Widget::InitParams::TYPE_CONTROL);
 122   params.context = context;
 123   widget->Init(params);
 124   widget->GetRootView()->set_background(
 125       views::Background::CreateSolidBackground(kModalParentColor));
 126   modal_parent_ = widget->GetNativeView();
 127   widget->GetNativeView()->SetName("ModalParent");
 128   AddChildView(button_);
 129   AddChildView(textfield_);
 130   AddChildView(host_);
 131 }
 132
 133 ChildModalParent::~ChildModalParent() {
 134 }
 135
 136 void ChildModalParent::ShowChild() {
 137   if (!child_)
 138     child_ = CreateChild();
 139   child_->Show();
 140 }
 141
 142 gfx::NativeWindow ChildModalParent::GetModalParent() const {
 143   return modal_parent_;
 144 }
 145
 146 gfx::NativeWindow ChildModalParent::GetChild() const {
 147   if (child_)
 148     return child_->GetNativeView();
 149   return NULL;
 150 }
 151
 152 Widget* ChildModalParent::CreateChild() {
 153   Widget* child = Widget::CreateWindowWithParent(
 154       new ChildModalWindow, GetWidget()->GetNativeView());
 155   wm::SetModalParent(child->GetNativeView(), GetModalParent());
 156   child->AddObserver(this);
 157   child->GetNativeView()->SetName("ChildModalWindow");
 158   return child;
 159 }
 160
 161 views::View* ChildModalParent::GetContentsView() {
 162   return this;
 163 }
 164
 165 base::string16 ChildModalParent::GetWindowTitle() const {
 166   return base::ASCIIToUTF16("Examples: Child Modal Parent");
 167 }
 168
 169 bool ChildModalParent::CanResize() const {
 170   return false;
 171 }
 172
 173 void ChildModalParent::DeleteDelegate() {
 174   if (child_) {
 175     child_->RemoveObserver(this);
 176     child_->Close();
 177     child_ = NULL;
 178   }
 179
 180   delete this;
 181 }
 182
 183 void ChildModalParent::Layout() {
 184   int running_y = y();
 185   button_->SetBounds(x(), running_y, width(), kButtonHeight);
 186   running_y += kButtonHeight;
 187   textfield_->SetBounds(x(), running_y, width(), kTextfieldHeight);
 188   running_y += kTextfieldHeight;
 189   host_->SetBounds(x(), running_y, width(), height() - running_y);
 190 }
 191
 192 void ChildModalParent::ViewHierarchyChanged(
 193     const ViewHierarchyChangedDetails& details) {
 194   if (details.is_add && details.child == this) {
 195     host_->Attach(modal_parent_);
 196     GetWidget()->GetNativeView()->SetName("Parent");
 197   }
 198 }
 199
 200 void ChildModalParent::ButtonPressed(views::Button* sender,
 201                                      const ui::Event& event) {
 202   if (sender == button_) {
 203     if (!child_)
 204       child_ = CreateChild();
 205     if (child_->IsVisible())
 206       child_->Hide();
 207     else
 208       child_->Show();
 209   }
 210 }
 211
 212 void ChildModalParent::OnWidgetDestroying(Widget* widget) {
 213   if (child_) {
 214     DCHECK_EQ(child_, widget);
 215     child_ = NULL;
 216   }
 217 }
 218
 219 }  // namespace test
 220 }  // namespace ash