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/widget/widget_delegate.h" 6 7 #include "base/strings/utf_string_conversions.h" 8 #include "ui/gfx/image/image_skia.h" 9 #include "ui/views/bubble/bubble_delegate.h" 10 #include "ui/views/view.h" 11 #include "ui/views/views_delegate.h" 12 #include "ui/views/widget/widget.h" 13 #include "ui/views/window/client_view.h" 14 15 namespace views { 16 17 //////////////////////////////////////////////////////////////////////////////// 18 // WidgetDelegate: 19 20 WidgetDelegate::WidgetDelegate() : default_contents_view_(NULL) { 21 } 22 23 void WidgetDelegate::OnWidgetMove() { 24 } 25 26 void WidgetDelegate::OnDisplayChanged() { 27 } 28 29 void WidgetDelegate::OnWorkAreaChanged() { 30 } 31 32 View* WidgetDelegate::GetInitiallyFocusedView() { 33 return NULL; 34 } 35 36 BubbleDelegateView* WidgetDelegate::AsBubbleDelegate() { 37 return NULL; 38 } 39 40 DialogDelegate* WidgetDelegate::AsDialogDelegate() { 41 return NULL; 42 } 43 44 bool WidgetDelegate::CanResize() const { 45 return false; 46 } 47 48 bool WidgetDelegate::CanMaximize() const { 49 return false; 50 } 51 52 bool WidgetDelegate::CanActivate() const { 53 return true; 54 } 55 56 ui::ModalType WidgetDelegate::GetModalType() const { 57 return ui::MODAL_TYPE_NONE; 58 } 59 60 ui::AccessibilityTypes::Role WidgetDelegate::GetAccessibleWindowRole() const { 61 return ui::AccessibilityTypes::ROLE_WINDOW; 62 } 63 64 string16 WidgetDelegate::GetAccessibleWindowTitle() const { 65 return GetWindowTitle(); 66 } 67 68 string16 WidgetDelegate::GetWindowTitle() const { 69 return string16(); 70 } 71 72 bool WidgetDelegate::ShouldShowWindowTitle() const { 73 return true; 74 } 75 76 bool WidgetDelegate::ShouldShowCloseButton() const { 77 return true; 78 } 79 80 bool WidgetDelegate::ShouldHandleSystemCommands() const { 81 const Widget* widget = GetWidget(); 82 if (!widget) 83 return false; 84 85 return widget->non_client_view() != NULL; 86 } 87 88 gfx::ImageSkia WidgetDelegate::GetWindowAppIcon() { 89 // Use the window icon as app icon by default. 90 return GetWindowIcon(); 91 } 92 93 // Returns the icon to be displayed in the window. 94 gfx::ImageSkia WidgetDelegate::GetWindowIcon() { 95 return gfx::ImageSkia(); 96 } 97 98 bool WidgetDelegate::ShouldShowWindowIcon() const { 99 return false; 100 } 101 102 bool WidgetDelegate::ExecuteWindowsCommand(int command_id) { 103 return false; 104 } 105 106 std::string WidgetDelegate::GetWindowName() const { 107 return std::string(); 108 } 109 110 void WidgetDelegate::SaveWindowPlacement(const gfx::Rect& bounds, 111 ui::WindowShowState show_state) { 112 std::string window_name = GetWindowName(); 113 if (!ViewsDelegate::views_delegate || window_name.empty()) 114 return; 115 116 ViewsDelegate::views_delegate->SaveWindowPlacement( 117 GetWidget(), window_name, bounds, show_state); 118 } 119 120 bool WidgetDelegate::GetSavedWindowPlacement( 121 const Widget* widget, 122 gfx::Rect* bounds, 123 ui::WindowShowState* show_state) const { 124 std::string window_name = GetWindowName(); 125 if (!ViewsDelegate::views_delegate || window_name.empty()) 126 return false; 127 128 return ViewsDelegate::views_delegate->GetSavedWindowPlacement( 129 widget, window_name, bounds, show_state); 130 } 131 132 bool WidgetDelegate::ShouldRestoreWindowSize() const { 133 return true; 134 } 135 136 View* WidgetDelegate::GetContentsView() { 137 if (!default_contents_view_) 138 default_contents_view_ = new View; 139 return default_contents_view_; 140 } 141 142 ClientView* WidgetDelegate::CreateClientView(Widget* widget) { 143 return new ClientView(widget, GetContentsView()); 144 } 145 146 NonClientFrameView* WidgetDelegate::CreateNonClientFrameView(Widget* widget) { 147 return NULL; 148 } 149 150 View* WidgetDelegate::CreateOverlayView() { 151 return NULL; 152 } 153 154 bool WidgetDelegate::WillProcessWorkAreaChange() const { 155 return false; 156 } 157 158 bool WidgetDelegate::WidgetHasHitTestMask() const { 159 return false; 160 } 161 162 void WidgetDelegate::GetWidgetHitTestMask(gfx::Path* mask) const { 163 DCHECK(mask); 164 } 165 166 bool WidgetDelegate::ShouldAdvanceFocusToTopLevelWidget() const { 167 return false; 168 } 169 170 bool WidgetDelegate::ShouldDescendIntoChildForEventHandling( 171 gfx::NativeView child, 172 const gfx::Point& location) { 173 return true; 174 } 175 176 //////////////////////////////////////////////////////////////////////////////// 177 // WidgetDelegateView: 178 179 WidgetDelegateView::WidgetDelegateView() { 180 // A WidgetDelegate should be deleted on DeleteDelegate. 181 set_owned_by_client(); 182 } 183 184 WidgetDelegateView::~WidgetDelegateView() { 185 } 186 187 void WidgetDelegateView::DeleteDelegate() { 188 delete this; 189 } 190 191 Widget* WidgetDelegateView::GetWidget() { 192 return View::GetWidget(); 193 } 194 195 const Widget* WidgetDelegateView::GetWidget() const { 196 return View::GetWidget(); 197 } 198 199 } // namespace views 200
