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/message_center/views/message_view.h" 6 7 #include "grit/ui_resources.h" 8 #include "grit/ui_strings.h" 9 #include "ui/accessibility/ax_view_state.h" 10 #include "ui/base/l10n/l10n_util.h" 11 #include "ui/base/models/simple_menu_model.h" 12 #include "ui/base/resource/resource_bundle.h" 13 #include "ui/compositor/scoped_layer_animation_settings.h" 14 #include "ui/gfx/canvas.h" 15 #include "ui/message_center/message_center.h" 16 #include "ui/message_center/message_center_style.h" 17 #include "ui/message_center/views/padded_button.h" 18 #include "ui/views/background.h" 19 #include "ui/views/controls/button/image_button.h" 20 #include "ui/views/controls/image_view.h" 21 #include "ui/views/controls/scroll_view.h" 22 #include "ui/views/focus/focus_manager.h" 23 #include "ui/views/painter.h" 24 #include "ui/views/shadow_border.h" 25 26 namespace { 27 28 const int kCloseIconTopPadding = 5; 29 const int kCloseIconRightPadding = 5; 30 31 const int kShadowOffset = 1; 32 const int kShadowBlur = 4; 33 34 } // namespace 35 36 namespace message_center { 37 38 MessageView::MessageView(MessageViewController* controller, 39 const std::string& notification_id, 40 const NotifierId& notifier_id, 41 const gfx::ImageSkia& small_image, 42 const base::string16& display_source) 43 : controller_(controller), 44 notification_id_(notification_id), 45 notifier_id_(notifier_id), 46 background_view_(NULL), 47 scroller_(NULL), 48 display_source_(display_source) { 49 SetFocusable(true); 50 51 // Create the opaque background that's above the view's shadow. 52 background_view_ = new views::View(); 53 background_view_->set_background( 54 views::Background::CreateSolidBackground(kNotificationBackgroundColor)); 55 AddChildView(background_view_); 56 57 views::ImageView* small_image_view = new views::ImageView(); 58 small_image_view->SetImage(small_image); 59 small_image_view->SetImageSize(gfx::Size(kSmallImageSize, kSmallImageSize)); 60 // The small image view should be added to view hierarchy by the derived 61 // class. This ensures that it is on top of other views. 62 small_image_view->set_owned_by_client(); 63 small_image_view_.reset(small_image_view); 64 65 PaddedButton *close = new PaddedButton(this); 66 close->SetPadding(-kCloseIconRightPadding, kCloseIconTopPadding); 67 close->SetNormalImage(IDR_NOTIFICATION_CLOSE); 68 close->SetHoveredImage(IDR_NOTIFICATION_CLOSE_HOVER); 69 close->SetPressedImage(IDR_NOTIFICATION_CLOSE_PRESSED); 70 close->set_animate_on_state_change(false); 71 close->SetAccessibleName(l10n_util::GetStringUTF16( 72 IDS_MESSAGE_CENTER_CLOSE_NOTIFICATION_BUTTON_ACCESSIBLE_NAME)); 73 // The close button should be added to view hierarchy by the derived class. 74 // This ensures that it is on top of other views. 75 close->set_owned_by_client(); 76 close_button_.reset(close); 77 78 focus_painter_ = views::Painter::CreateSolidFocusPainter( 79 kFocusBorderColor, 80 gfx::Insets(0, 1, 3, 2)).Pass(); 81 } 82 83 MessageView::~MessageView() { 84 } 85 86 void MessageView::UpdateWithNotification(const Notification& notification) { 87 small_image_view_->SetImage(notification.small_image().AsImageSkia()); 88 display_source_ = notification.display_source(); 89 } 90 91 // static 92 gfx::Insets MessageView::GetShadowInsets() { 93 return gfx::Insets(kShadowBlur / 2 - kShadowOffset, 94 kShadowBlur / 2, 95 kShadowBlur / 2 + kShadowOffset, 96 kShadowBlur / 2); 97 } 98 99 void MessageView::CreateShadowBorder() { 100 SetBorder(scoped_ptr<views::Border>( 101 new views::ShadowBorder(kShadowBlur, 102 message_center::kShadowColor, 103 kShadowOffset, // Vertical offset. 104 0))); // Horizontal offset. 105 } 106 107 bool MessageView::IsCloseButtonFocused() { 108 views::FocusManager* focus_manager = GetFocusManager(); 109 return focus_manager && focus_manager->GetFocusedView() == close_button(); 110 } 111 112 void MessageView::RequestFocusOnCloseButton() { 113 close_button_->RequestFocus(); 114 } 115 116 void MessageView::GetAccessibleState(ui::AXViewState* state) { 117 state->role = ui::AX_ROLE_BUTTON; 118 state->name = accessible_name_; 119 } 120 121 bool MessageView::OnMousePressed(const ui::MouseEvent& event) { 122 if (!event.IsOnlyLeftMouseButton()) 123 return false; 124 125 controller_->ClickOnNotification(notification_id_); 126 return true; 127 } 128 129 bool MessageView::OnKeyPressed(const ui::KeyEvent& event) { 130 if (event.flags() != ui::EF_NONE) 131 return false; 132 133 if (event.key_code() == ui::VKEY_RETURN) { 134 controller_->ClickOnNotification(notification_id_); 135 return true; 136 } else if ((event.key_code() == ui::VKEY_DELETE || 137 event.key_code() == ui::VKEY_BACK)) { 138 controller_->RemoveNotification(notification_id_, true); // By user. 139 return true; 140 } 141 142 return false; 143 } 144 145 bool MessageView::OnKeyReleased(const ui::KeyEvent& event) { 146 // Space key handling is triggerred at key-release timing. See 147 // ui/views/controls/buttons/custom_button.cc for why. 148 if (event.flags() != ui::EF_NONE || event.flags() != ui::VKEY_SPACE) 149 return false; 150 151 controller_->ClickOnNotification(notification_id_); 152 return true; 153 } 154 155 void MessageView::OnPaint(gfx::Canvas* canvas) { 156 DCHECK_EQ(this, close_button_->parent()); 157 DCHECK_EQ(this, small_image_view_->parent()); 158 SlideOutView::OnPaint(canvas); 159 views::Painter::PaintFocusPainter(this, canvas, focus_painter_.get()); 160 } 161 162 void MessageView::OnFocus() { 163 SlideOutView::OnFocus(); 164 // We paint a focus indicator. 165 SchedulePaint(); 166 } 167 168 void MessageView::OnBlur() { 169 SlideOutView::OnBlur(); 170 // We paint a focus indicator. 171 SchedulePaint(); 172 } 173 174 void MessageView::Layout() { 175 gfx::Rect content_bounds = GetContentsBounds(); 176 177 // Background. 178 background_view_->SetBoundsRect(content_bounds); 179 180 // Close button. 181 gfx::Size close_size(close_button_->GetPreferredSize()); 182 gfx::Rect close_rect(content_bounds.right() - close_size.width(), 183 content_bounds.y(), 184 close_size.width(), 185 close_size.height()); 186 close_button_->SetBoundsRect(close_rect); 187 188 gfx::Size small_image_size(small_image_view_->GetPreferredSize()); 189 gfx::Rect small_image_rect(small_image_size); 190 small_image_rect.set_origin(gfx::Point( 191 content_bounds.right() - small_image_size.width() - kSmallImagePadding, 192 content_bounds.bottom() - small_image_size.height() - 193 kSmallImagePadding)); 194 small_image_view_->SetBoundsRect(small_image_rect); 195 } 196 197 void MessageView::OnGestureEvent(ui::GestureEvent* event) { 198 if (event->type() == ui::ET_GESTURE_TAP) { 199 controller_->ClickOnNotification(notification_id_); 200 event->SetHandled(); 201 return; 202 } 203 204 SlideOutView::OnGestureEvent(event); 205 // Do not return here by checking handled(). SlideOutView calls SetHandled() 206 // even though the scroll gesture doesn't make no (or little) effects on the 207 // slide-out behavior. See http://crbug.com/172991 208 209 if (!event->IsScrollGestureEvent() && !event->IsFlingScrollEvent()) 210 return; 211 212 if (scroller_) 213 scroller_->OnGestureEvent(event); 214 event->SetHandled(); 215 } 216 217 void MessageView::ButtonPressed(views::Button* sender, 218 const ui::Event& event) { 219 if (sender == close_button()) { 220 controller_->RemoveNotification(notification_id_, true); // By user. 221 } 222 } 223 224 void MessageView::OnSlideOut() { 225 controller_->RemoveNotification(notification_id_, true); // By user. 226 } 227 228 } // namespace message_center 229
