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
MessageView(MessageViewController * controller,const std::string & notification_id,const NotifierId & notifier_id,const gfx::ImageSkia & small_image,const base::string16 & display_source)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
~MessageView()83 MessageView::~MessageView() {
84 }
85
UpdateWithNotification(const Notification & notification)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
GetShadowInsets()92 gfx::Insets MessageView::GetShadowInsets() {
93 return gfx::Insets(kShadowBlur / 2 - kShadowOffset,
94 kShadowBlur / 2,
95 kShadowBlur / 2 + kShadowOffset,
96 kShadowBlur / 2);
97 }
98
CreateShadowBorder()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
IsCloseButtonFocused()107 bool MessageView::IsCloseButtonFocused() {
108 views::FocusManager* focus_manager = GetFocusManager();
109 return focus_manager && focus_manager->GetFocusedView() == close_button();
110 }
111
RequestFocusOnCloseButton()112 void MessageView::RequestFocusOnCloseButton() {
113 close_button_->RequestFocus();
114 }
115
GetAccessibleState(ui::AXViewState * state)116 void MessageView::GetAccessibleState(ui::AXViewState* state) {
117 state->role = ui::AX_ROLE_BUTTON;
118 state->name = accessible_name_;
119 }
120
OnMousePressed(const ui::MouseEvent & event)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
OnKeyPressed(const ui::KeyEvent & event)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
OnKeyReleased(const ui::KeyEvent & event)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
OnPaint(gfx::Canvas * canvas)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
OnFocus()162 void MessageView::OnFocus() {
163 SlideOutView::OnFocus();
164 // We paint a focus indicator.
165 SchedulePaint();
166 }
167
OnBlur()168 void MessageView::OnBlur() {
169 SlideOutView::OnBlur();
170 // We paint a focus indicator.
171 SchedulePaint();
172 }
173
Layout()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
OnGestureEvent(ui::GestureEvent * event)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
ButtonPressed(views::Button * sender,const ui::Event & event)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
OnSlideOut()224 void MessageView::OnSlideOut() {
225 controller_->RemoveNotification(notification_id_, true); // By user.
226 }
227
228 } // namespace message_center
229