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| 1 // Copyright (c) 2013 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 "chrome/browser/ui/views/message_center/web_notification_tray_win.h" |
| 6 |
| 7 #include "chrome/browser/browser_process.h" |
| 8 #include "chrome/browser/status_icons/status_icon.h" |
| 9 #include "chrome/browser/status_icons/status_tray.h" |
| 10 #include "chrome/browser/ui/views/message_center/notification_bubble_wrapper_win
.h" |
| 11 #include "chrome/browser/ui/views/status_icons/status_icon_win.h" |
| 12 #include "grit/theme_resources.h" |
| 13 #include "ui/base/resource/resource_bundle.h" |
| 14 #include "ui/base/win/hwnd_util.h" |
| 15 #include "ui/gfx/image/image_skia_operations.h" |
| 16 #include "ui/gfx/screen.h" |
| 17 #include "ui/message_center/message_bubble_base.h" |
| 18 #include "ui/message_center/message_center_bubble.h" |
| 19 #include "ui/message_center/message_center_tray.h" |
| 20 #include "ui/message_center/message_center_tray_delegate.h" |
| 21 #include "ui/message_center/message_popup_bubble.h" |
| 22 #include "ui/views/widget/widget.h" |
| 23 |
| 24 namespace { |
| 25 |
| 26 // Tray constants |
| 27 const int kPaddingFromLeftEdgeOfSystemTrayBottomAlignment = 8; |
| 28 |
| 29 gfx::Rect GetCornerAnchorRect(gfx::Size preferred_size) { |
| 30 // TODO(dewittj): Use the preference to determine which corner to anchor from. |
| 31 gfx::Screen* screen = gfx::Screen::GetNativeScreen(); |
| 32 gfx::Rect rect = screen->GetPrimaryDisplay().work_area(); |
| 33 rect.Inset(10, 5); |
| 34 gfx::Point bottom_right( |
| 35 rect.bottom_right().x() - preferred_size.width() / 2, |
| 36 rect.bottom_right().y()); |
| 37 return gfx::Rect(bottom_right, gfx::Size()); |
| 38 } |
| 39 |
| 40 // GetMouseAnchorRect returns a rectangle that is near the cursor point, but |
| 41 // whose behavior depends on where the Windows taskbar is. If it is on the |
| 42 // top or bottom of the screen, we want the arrow to touch the edge of the |
| 43 // taskbar directly above or below the mouse pointer and within the work area. |
| 44 // Otherwise, position the anchor on the mouse cursor directly. |
| 45 gfx::Rect GetMouseAnchorRect() { |
| 46 gfx::Screen* screen = gfx::Screen::GetNativeScreen(); |
| 47 gfx::Rect usable_area = screen->GetPrimaryDisplay().bounds(); |
| 48 gfx::Rect work_area = screen->GetPrimaryDisplay().work_area(); |
| 49 |
| 50 // Inset the rectangle by the taskbar width if it is on top or bottom. |
| 51 usable_area.set_y(work_area.y()); |
| 52 usable_area.set_height(work_area.height()); |
| 53 |
| 54 // Keep the anchor from being too close to the edge of the screen. |
| 55 usable_area.Inset(kPaddingFromLeftEdgeOfSystemTrayBottomAlignment, 0); |
| 56 |
| 57 // Use a mouse point that is on the mouse cursor, unless the mouse is over the |
| 58 // start menu and the start menu is on the top or bottom. |
| 59 gfx::Point cursor = screen->GetCursorScreenPoint(); |
| 60 gfx::Rect mouse_anchor_rect( |
| 61 gfx::BoundingRect(cursor, usable_area.bottom_right())); |
| 62 mouse_anchor_rect.set_height(0); |
| 63 if (!usable_area.Contains(cursor)) |
| 64 mouse_anchor_rect.AdjustToFit(usable_area); |
| 65 mouse_anchor_rect.set_width(0); |
| 66 return mouse_anchor_rect; |
| 67 } |
| 68 |
| 69 gfx::ImageSkia GetIcon(bool has_unread_notifications) { |
| 70 // TODO(dewittj): Use an icon resource for both unread and read notifications. |
| 71 ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); |
| 72 gfx::ImageSkia* icon = |
| 73 rb.GetImageSkiaNamed(IDR_ALLOWED_NOTIFICATION); |
| 74 DCHECK(icon); |
| 75 if (has_unread_notifications) |
| 76 return *icon; |
| 77 return gfx::ImageSkiaOperations::CreateTransparentImage(*icon, .5); |
| 78 } |
| 79 |
| 80 } // namespace |
| 81 |
| 82 namespace message_center { |
| 83 |
| 84 MessageCenterTrayDelegate* CreateMessageCenterTray() { |
| 85 return new WebNotificationTrayWin(); |
| 86 } |
| 87 |
| 88 WebNotificationTrayWin::WebNotificationTrayWin() |
| 89 : status_icon_(NULL), |
| 90 message_center_visible_(false) { |
| 91 message_center_tray_.reset(new MessageCenterTray( |
| 92 this, g_browser_process->message_center())); |
| 93 StatusTray* status_tray = g_browser_process->status_tray(); |
| 94 status_icon_ = status_tray->CreateStatusIcon(); |
| 95 status_icon_->AddObserver(this); |
| 96 status_icon_->SetImage( |
| 97 GetIcon(message_center()->UnreadNotificationCount() > 0)); |
| 98 } |
| 99 |
| 100 WebNotificationTrayWin::~WebNotificationTrayWin() { |
| 101 // Reset this early so that delegated events during destruction don't cause |
| 102 // problems. |
| 103 message_center_tray_.reset(); |
| 104 status_icon_->RemoveObserver(this); |
| 105 StatusTray* status_tray = g_browser_process->status_tray(); |
| 106 status_tray->RemoveStatusIcon(status_icon_); |
| 107 status_icon_ = NULL; |
| 108 } |
| 109 |
| 110 message_center::MessageCenter* WebNotificationTrayWin::message_center() { |
| 111 return message_center_tray_->message_center(); |
| 112 } |
| 113 |
| 114 bool WebNotificationTrayWin::ShowPopups() { |
| 115 scoped_ptr<message_center::MessagePopupBubble> bubble( |
| 116 new message_center::MessagePopupBubble(message_center())); |
| 117 popup_bubble_.reset(new internal::NotificationBubbleWrapperWin( |
| 118 this, bubble.Pass(), views::TrayBubbleView::ANCHOR_TYPE_BUBBLE)); |
| 119 return true; |
| 120 } |
| 121 |
| 122 void WebNotificationTrayWin::HidePopups() { |
| 123 popup_bubble_.reset(); |
| 124 } |
| 125 |
| 126 bool WebNotificationTrayWin::ShowMessageCenter() { |
| 127 // Calculate the maximum height of the message center, given its anchor. |
| 128 scoped_ptr<message_center::MessageCenterBubble> bubble( |
| 129 new message_center::MessageCenterBubble(message_center())); |
| 130 gfx::Point anchor_center = message_center_anchor_rect_.CenterPoint(); |
| 131 gfx::Screen* screen = gfx::Screen::GetNativeScreen(); |
| 132 gfx::Rect work_area = screen->GetPrimaryDisplay().work_area(); |
| 133 gfx::Point work_area_center = work_area.CenterPoint(); |
| 134 const int zMarginFromEdgeOfWorkArea = 10; |
| 135 int max_height = 0; |
| 136 if (work_area_center < anchor_center) |
| 137 max_height = anchor_center.y() - work_area.origin().y(); |
| 138 else |
| 139 max_height = work_area.bottom() - message_center_anchor_rect_.bottom(); |
| 140 bubble->SetMaxHeight(max_height - zMarginFromEdgeOfWorkArea); |
| 141 |
| 142 message_center_bubble_.reset(new internal::NotificationBubbleWrapperWin( |
| 143 this, |
| 144 bubble.Pass(), |
| 145 views::TrayBubbleView::ANCHOR_TYPE_TRAY)); |
| 146 return true; |
| 147 } |
| 148 |
| 149 void WebNotificationTrayWin::HideMessageCenter() { |
| 150 message_center_bubble_.reset(); |
| 151 } |
| 152 |
| 153 void WebNotificationTrayWin::UpdateMessageCenter() { |
| 154 if (message_center_bubble_.get()) |
| 155 message_center_bubble_->bubble()->ScheduleUpdate(); |
| 156 } |
| 157 |
| 158 void WebNotificationTrayWin::UpdatePopups() { |
| 159 if (popup_bubble_.get()) |
| 160 popup_bubble_->bubble()->ScheduleUpdate(); |
| 161 }; |
| 162 |
| 163 void WebNotificationTrayWin::OnMessageCenterTrayChanged() { |
| 164 bool has_unread_notifications = |
| 165 message_center()->UnreadNotificationCount() > 0; |
| 166 status_icon_->SetImage(GetIcon(has_unread_notifications)); |
| 167 } |
| 168 |
| 169 gfx::Rect WebNotificationTrayWin::GetAnchorRect( |
| 170 gfx::Size preferred_size, |
| 171 views::TrayBubbleView::AnchorType anchor_type, |
| 172 views::TrayBubbleView::AnchorAlignment anchor_alignment) { |
| 173 if (anchor_type == views::TrayBubbleView::ANCHOR_TYPE_TRAY) |
| 174 return message_center_anchor_rect_; |
| 175 return GetCornerAnchorRect(preferred_size); |
| 176 } |
| 177 |
| 178 views::TrayBubbleView::AnchorAlignment |
| 179 WebNotificationTrayWin::GetAnchorAlignment() { |
| 180 gfx::Screen* screen = gfx::Screen::GetNativeScreen(); |
| 181 // TODO(dewittj): It's possible GetPrimaryDisplay is wrong. |
| 182 gfx::Rect screen_bounds = screen->GetPrimaryDisplay().bounds(); |
| 183 gfx::Rect work_area = screen->GetPrimaryDisplay().work_area(); |
| 184 |
| 185 // Comparing the work area to the screen bounds gives us the location of the |
| 186 // taskbar. If the work area is less tall than the screen, assume the taskbar |
| 187 // is on the bottom, and cause the arrow to be displayed on the bottom of the |
| 188 // bubble. Otherwise, cause the arrow to be displayed on the side of the |
| 189 // bubble that the taskbar is on. |
| 190 if (work_area.height() < screen_bounds.height()) |
| 191 return views::TrayBubbleView::ANCHOR_ALIGNMENT_BOTTOM; |
| 192 if (work_area.x() > screen_bounds.x()) |
| 193 return views::TrayBubbleView::ANCHOR_ALIGNMENT_LEFT; |
| 194 return views::TrayBubbleView::ANCHOR_ALIGNMENT_RIGHT; |
| 195 } |
| 196 |
| 197 gfx::NativeView WebNotificationTrayWin::GetBubbleWindowContainer() { |
| 198 return NULL; |
| 199 } |
| 200 |
| 201 void WebNotificationTrayWin::OnStatusIconClicked() { |
| 202 UpdateAnchorRect(); |
| 203 message_center_tray_->ToggleMessageCenterBubble(); |
| 204 } |
| 205 |
| 206 void WebNotificationTrayWin::HideBubbleWithView( |
| 207 const views::TrayBubbleView* bubble_view) { |
| 208 if (message_center_bubble_.get() && |
| 209 bubble_view == message_center_bubble_->bubble_view()) { |
| 210 message_center_tray_->HideMessageCenterBubble(); |
| 211 } else if (popup_bubble_.get() && |
| 212 bubble_view == popup_bubble_->bubble_view()) { |
| 213 message_center_tray_->HidePopupBubble(); |
| 214 } |
| 215 } |
| 216 |
| 217 void WebNotificationTrayWin::UpdateAnchorRect() { |
| 218 message_center_anchor_rect_ = GetMouseAnchorRect(); |
| 219 } |
| 220 |
| 221 message_center::MessageCenterBubble* |
| 222 WebNotificationTrayWin::GetMessageCenterBubbleForTest() { |
| 223 if (!message_center_bubble_.get()) |
| 224 return NULL; |
| 225 return static_cast<message_center::MessageCenterBubble*>( |
| 226 message_center_bubble_->bubble()); |
| 227 } |
| 228 |
| 229 message_center::MessagePopupBubble* |
| 230 WebNotificationTrayWin::GetPopupBubbleForTest() { |
| 231 if (!popup_bubble_.get()) |
| 232 return NULL; |
| 233 return static_cast<message_center::MessagePopupBubble*>( |
| 234 popup_bubble_->bubble()); |
| 235 } |
| 236 |
| 237 } // namespace message_center |
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