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