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| 1 // Copyright (c) 2011 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 // Draws the view for the balloons. | |
| 6 | |
| 7 #include "chrome/browser/chromeos/notifications/notification_panel.h" | |
| 8 | |
| 9 #include <algorithm> | |
| 10 | |
| 11 #include "base/bind.h" | |
| 12 #include "chrome/browser/chromeos/notifications/balloon_collection_impl.h" | |
| 13 #include "chrome/browser/chromeos/notifications/balloon_view.h" | |
| 14 #include "chrome/common/chrome_notification_types.h" | |
| 15 #include "content/public/browser/notification_details.h" | |
| 16 #include "content/public/browser/notification_source.h" | |
| 17 #include "grit/generated_resources.h" | |
| 18 #include "third_party/cros_system_api/window_manager/chromeos_wm_ipc_enums.h" | |
| 19 #include "ui/base/l10n/l10n_util.h" | |
| 20 #include "ui/base/resource/resource_bundle.h" | |
| 21 #include "ui/gfx/canvas.h" | |
| 22 #include "ui/views/background.h" | |
| 23 #include "ui/views/controls/native/native_view_host.h" | |
| 24 #include "ui/views/controls/scroll_view.h" | |
| 25 #include "ui/views/widget/native_widget_gtk.h" | |
| 26 | |
| 27 #define SET_STATE(state) SetState(state, __PRETTY_FUNCTION__) | |
| 28 | |
| 29 using views::Widget; | |
| 30 | |
| 31 namespace { | |
| 32 // Minimum and maximum size of balloon content. | |
| 33 const int kBalloonMinWidth = 300; | |
| 34 const int kBalloonMaxWidth = 300; | |
| 35 const int kBalloonMinHeight = 24; | |
| 36 const int kBalloonMaxHeight = 120; | |
| 37 | |
| 38 // Maximum height of the notification panel. | |
| 39 // TODO(oshima): Get this from system's metrics. | |
| 40 const int kMaxPanelHeight = 400; | |
| 41 | |
| 42 // The duration for a new notification to become stale. | |
| 43 const int kStaleTimeoutInSeconds = 10; | |
| 44 | |
| 45 // Panel Background color | |
| 46 const SkColor kPanelBackground = 0xFFEEEEEE; | |
| 47 | |
| 48 using chromeos::BalloonViewImpl; | |
| 49 using chromeos::NotificationPanel; | |
| 50 | |
| 51 #if !defined(NDEBUG) | |
| 52 // A utility function to convert State enum to string. | |
| 53 const char* ToStr(const NotificationPanel::State state) { | |
| 54 switch (state) { | |
| 55 case NotificationPanel::FULL: | |
| 56 return "full"; | |
| 57 case NotificationPanel::KEEP_SIZE: | |
| 58 return "keep_size"; | |
| 59 case NotificationPanel::STICKY_AND_NEW: | |
| 60 return "sticky_new"; | |
| 61 case NotificationPanel::MINIMIZED: | |
| 62 return "minimized"; | |
| 63 case NotificationPanel::CLOSED: | |
| 64 return "closed"; | |
| 65 default: | |
| 66 return "unknown"; | |
| 67 } | |
| 68 } | |
| 69 #endif | |
| 70 | |
| 71 chromeos::BalloonViewImpl* GetBalloonViewOf(const Balloon* balloon) { | |
| 72 return static_cast<chromeos::BalloonViewImpl*>(balloon->view()); | |
| 73 } | |
| 74 | |
| 75 // A Widget that covers entire ScrollView's viewport. Without this, all | |
| 76 // renderer's native gtk widgets are moved one by one via | |
| 77 // View::VisibleBoundsInRootChanged() notification, which makes scrolling not | |
| 78 // smooth. | |
| 79 class ViewportWidget : public views::Widget { | |
| 80 public: | |
| 81 explicit ViewportWidget(chromeos::NotificationPanel* panel) | |
| 82 : panel_(panel), | |
| 83 pointer_inside_panel_(false) { | |
| 84 } | |
| 85 | |
| 86 void UpdateControl() { | |
| 87 if (pointer_inside_panel_) | |
| 88 panel_->OnMouseMotion(last_point_); | |
| 89 } | |
| 90 | |
| 91 // views::Widget overrides: | |
| 92 virtual bool OnMouseEvent(const views::MouseEvent& event) OVERRIDE { | |
| 93 bool result = Widget::OnMouseEvent(event); | |
| 94 switch (event.type()) { | |
| 95 case ui::ET_MOUSE_MOVED: | |
| 96 OnMouseMoved(event); | |
| 97 break; | |
| 98 case ui::ET_MOUSE_EXITED: | |
| 99 OnMouseExited(event); | |
| 100 break; | |
| 101 default: | |
| 102 break; | |
| 103 } | |
| 104 return result; | |
| 105 } | |
| 106 | |
| 107 private: | |
| 108 void OnMouseMoved(const views::MouseEvent& event) { | |
| 109 // Convert the point to the panel's coordinate system. | |
| 110 Widget* top_level_widget = GetTopLevelWidget(); | |
| 111 // TODO: remove cast when this extends Widget. | |
| 112 DCHECK(top_level_widget != static_cast<Widget*>(this)); | |
| 113 gfx::Rect panel_rect(event.location(), gfx::Size()); | |
| 114 Widget::ConvertRect(this, top_level_widget, &panel_rect); | |
| 115 last_point_ = panel_rect.origin(); | |
| 116 pointer_inside_panel_ = true; | |
| 117 panel_->OnMouseMotion(last_point_); | |
| 118 } | |
| 119 | |
| 120 void OnMouseExited(const views::MouseEvent& event) { | |
| 121 // Filter gtk's fake mouse leave events that are issued when | |
| 122 // window activation changes. | |
| 123 if (event.location().x() == 0 && event.location().y() == 0) | |
| 124 return; | |
| 125 | |
| 126 // Leave notify can happen if the mouse moves into the child gdk window. | |
| 127 // Make sure the mouse is outside of the panel. | |
| 128 gfx::Rect bounds = GetWindowScreenBounds(); | |
| 129 if (!bounds.Contains(event.location().x() + bounds.x(), | |
| 130 event.location().y() + bounds.y())) { | |
| 131 panel_->OnMouseLeave(); | |
| 132 pointer_inside_panel_ = false; | |
| 133 } | |
| 134 } | |
| 135 | |
| 136 private: | |
| 137 chromeos::NotificationPanel* panel_; | |
| 138 gfx::Point last_point_; | |
| 139 bool pointer_inside_panel_; | |
| 140 | |
| 141 DISALLOW_COPY_AND_ASSIGN(ViewportWidget); | |
| 142 }; | |
| 143 | |
| 144 class BalloonSubContainer : public views::View { | |
| 145 public: | |
| 146 explicit BalloonSubContainer(int margin) | |
| 147 : margin_(margin) { | |
| 148 } | |
| 149 | |
| 150 virtual ~BalloonSubContainer() {} | |
| 151 | |
| 152 // views::View overrides. | |
| 153 virtual gfx::Size GetPreferredSize() { | |
| 154 return preferred_size_; | |
| 155 } | |
| 156 | |
| 157 virtual void Layout() { | |
| 158 // Layout bottom up | |
| 159 int height = 0; | |
| 160 for (int i = child_count() - 1; i >= 0; --i) { | |
| 161 views::View* child = child_at(i); | |
| 162 child->SetBounds(0, height, child->width(), child->height()); | |
| 163 height += child->height() + margin_; | |
| 164 } | |
| 165 SchedulePaint(); | |
| 166 } | |
| 167 | |
| 168 // Updates the bound so that it can show all balloons. | |
| 169 void UpdateBounds() { | |
| 170 int height = 0; | |
| 171 int max_width = 0; | |
| 172 for (int i = child_count() - 1; i >= 0; --i) { | |
| 173 views::View* child = child_at(i); | |
| 174 height += child->height() + margin_; | |
| 175 max_width = std::max(max_width, child->width()); | |
| 176 } | |
| 177 if (height > 0) | |
| 178 height -= margin_; | |
| 179 preferred_size_.set_width(max_width); | |
| 180 preferred_size_.set_height(height); | |
| 181 SizeToPreferredSize(); | |
| 182 } | |
| 183 | |
| 184 // Returns the bounds that covers new notifications. | |
| 185 gfx::Rect GetNewBounds() { | |
| 186 gfx::Rect rect; | |
| 187 for (int i = child_count() - 1; i >= 0; --i) { | |
| 188 BalloonViewImpl* view = static_cast<BalloonViewImpl*>(child_at(i)); | |
| 189 if (!view->stale()) { | |
| 190 if (rect.IsEmpty()) { | |
| 191 rect = view->bounds(); | |
| 192 } else { | |
| 193 rect = rect.Union(view->bounds()); | |
| 194 } | |
| 195 } | |
| 196 } | |
| 197 return gfx::Rect(x(), y(), rect.width(), rect.height()); | |
| 198 } | |
| 199 | |
| 200 // Returns # of new notifications. | |
| 201 int GetNewCount() { | |
| 202 int count = 0; | |
| 203 for (int i = child_count() - 1; i >= 0; --i) { | |
| 204 BalloonViewImpl* view = static_cast<BalloonViewImpl*>(child_at(i)); | |
| 205 if (!view->stale()) | |
| 206 count++; | |
| 207 } | |
| 208 return count; | |
| 209 } | |
| 210 | |
| 211 // Make all notifications stale. | |
| 212 void MakeAllStale() { | |
| 213 for (int i = child_count() - 1; i >= 0; --i) { | |
| 214 BalloonViewImpl* view = static_cast<BalloonViewImpl*>(child_at(i)); | |
| 215 view->set_stale(); | |
| 216 } | |
| 217 } | |
| 218 | |
| 219 void DismissAll() { | |
| 220 for (int i = child_count() - 1; i >= 0; --i) { | |
| 221 BalloonViewImpl* view = static_cast<BalloonViewImpl*>(child_at(i)); | |
| 222 view->Close(true); | |
| 223 } | |
| 224 } | |
| 225 | |
| 226 BalloonViewImpl* FindBalloonView(const Notification& notification) { | |
| 227 for (int i = child_count() - 1; i >= 0; --i) { | |
| 228 BalloonViewImpl* view = static_cast<BalloonViewImpl*>(child_at(i)); | |
| 229 if (view->IsFor(notification)) { | |
| 230 return view; | |
| 231 } | |
| 232 } | |
| 233 return NULL; | |
| 234 } | |
| 235 | |
| 236 BalloonViewImpl* FindBalloonView(const gfx::Point point) { | |
| 237 gfx::Point copy(point); | |
| 238 ConvertPointFromWidget(this, ©); | |
| 239 for (int i = child_count() - 1; i >= 0; --i) { | |
| 240 views::View* view = child_at(i); | |
| 241 if (view->bounds().Contains(copy)) | |
| 242 return static_cast<BalloonViewImpl*>(view); | |
| 243 } | |
| 244 return NULL; | |
| 245 } | |
| 246 | |
| 247 // Returns true if the |view| is in the container. | |
| 248 // |view| can be a deleted pointer - we do not dereference it. | |
| 249 bool HasChildView(View* view) const { | |
| 250 for (int i = 0; i < child_count(); ++i) { | |
| 251 if (child_at(i) == view) | |
| 252 return true; | |
| 253 } | |
| 254 return false; | |
| 255 } | |
| 256 | |
| 257 private: | |
| 258 gfx::Size preferred_size_; | |
| 259 int margin_; | |
| 260 | |
| 261 DISALLOW_COPY_AND_ASSIGN(BalloonSubContainer); | |
| 262 }; | |
| 263 | |
| 264 } // namespace | |
| 265 | |
| 266 namespace chromeos { | |
| 267 | |
| 268 class BalloonContainer : public views::View { | |
| 269 public: | |
| 270 explicit BalloonContainer(int margin) | |
| 271 : margin_(margin), | |
| 272 sticky_container_(new BalloonSubContainer(margin)), | |
| 273 non_sticky_container_(new BalloonSubContainer(margin)) { | |
| 274 AddChildView(sticky_container_); | |
| 275 AddChildView(non_sticky_container_); | |
| 276 } | |
| 277 virtual ~BalloonContainer() {} | |
| 278 | |
| 279 // views::View overrides. | |
| 280 virtual void Layout() { | |
| 281 int margin = | |
| 282 (sticky_container_->child_count() != 0 && | |
| 283 non_sticky_container_->child_count() != 0) ? | |
| 284 margin_ : 0; | |
| 285 sticky_container_->SetBounds( | |
| 286 0, 0, width(), sticky_container_->height()); | |
| 287 non_sticky_container_->SetBounds( | |
| 288 0, sticky_container_->bounds().bottom() + margin, | |
| 289 width(), non_sticky_container_->height()); | |
| 290 } | |
| 291 | |
| 292 virtual gfx::Size GetPreferredSize() { | |
| 293 return preferred_size_; | |
| 294 } | |
| 295 | |
| 296 // Returns the size that covers sticky and new notifications. | |
| 297 gfx::Size GetStickyNewSize() { | |
| 298 gfx::Rect sticky = sticky_container_->bounds(); | |
| 299 gfx::Rect new_non_sticky = non_sticky_container_->GetNewBounds(); | |
| 300 if (sticky.IsEmpty()) | |
| 301 return new_non_sticky.size(); | |
| 302 if (new_non_sticky.IsEmpty()) | |
| 303 return sticky.size(); | |
| 304 return sticky.Union(new_non_sticky).size(); | |
| 305 } | |
| 306 | |
| 307 // Adds a ballon to the panel. | |
| 308 void Add(Balloon* balloon) { | |
| 309 BalloonViewImpl* view = GetBalloonViewOf(balloon); | |
| 310 GetContainerFor(balloon)->AddChildView(view); | |
| 311 } | |
| 312 | |
| 313 // Updates the position of the |balloon|. | |
| 314 bool Update(Balloon* balloon) { | |
| 315 BalloonViewImpl* view = GetBalloonViewOf(balloon); | |
| 316 View* container = NULL; | |
| 317 if (view->parent() == sticky_container_) { | |
| 318 container = sticky_container_; | |
| 319 } else if (view->parent() == non_sticky_container_) { | |
| 320 container = non_sticky_container_; | |
| 321 } | |
| 322 if (container) { | |
| 323 container->RemoveChildView(view); | |
| 324 container->AddChildView(view); | |
| 325 return true; | |
| 326 } else { | |
| 327 return false; | |
| 328 } | |
| 329 } | |
| 330 | |
| 331 // Removes a ballon from the panel. | |
| 332 BalloonViewImpl* Remove(Balloon* balloon) { | |
| 333 BalloonViewImpl* view = GetBalloonViewOf(balloon); | |
| 334 GetContainerFor(balloon)->RemoveChildView(view); | |
| 335 return view; | |
| 336 } | |
| 337 | |
| 338 // Returns the number of notifications added to the panel. | |
| 339 int GetNotificationCount() { | |
| 340 return sticky_container_->child_count() + | |
| 341 non_sticky_container_->child_count(); | |
| 342 } | |
| 343 | |
| 344 // Returns the # of new notifications. | |
| 345 int GetNewNotificationCount() { | |
| 346 return sticky_container_->GetNewCount() + | |
| 347 non_sticky_container_->GetNewCount(); | |
| 348 } | |
| 349 | |
| 350 // Returns the # of sticky and new notifications. | |
| 351 int GetStickyNewNotificationCount() { | |
| 352 return sticky_container_->child_count() + | |
| 353 non_sticky_container_->GetNewCount(); | |
| 354 } | |
| 355 | |
| 356 // Returns the # of sticky notifications. | |
| 357 int GetStickyNotificationCount() { | |
| 358 return sticky_container_->child_count(); | |
| 359 } | |
| 360 | |
| 361 // Returns true if the |view| is contained in the panel. | |
| 362 // |view| can be a deleted pointer - we do not dereference it. | |
| 363 bool HasBalloonView(View* view) { | |
| 364 return sticky_container_->HasChildView(view) || | |
| 365 non_sticky_container_->HasChildView(view); | |
| 366 } | |
| 367 | |
| 368 // Updates the bounds so that all notifications are visible. | |
| 369 void UpdateBounds() { | |
| 370 sticky_container_->UpdateBounds(); | |
| 371 non_sticky_container_->UpdateBounds(); | |
| 372 preferred_size_ = sticky_container_->GetPreferredSize(); | |
| 373 | |
| 374 gfx::Size non_sticky_size = non_sticky_container_->GetPreferredSize(); | |
| 375 int margin = | |
| 376 (!preferred_size_.IsEmpty() && !non_sticky_size.IsEmpty()) ? | |
| 377 margin_ : 0; | |
| 378 preferred_size_.Enlarge(0, non_sticky_size.height() + margin); | |
| 379 preferred_size_.set_width(std::max( | |
| 380 preferred_size_.width(), non_sticky_size.width())); | |
| 381 SizeToPreferredSize(); | |
| 382 } | |
| 383 | |
| 384 void MakeAllStale() { | |
| 385 sticky_container_->MakeAllStale(); | |
| 386 non_sticky_container_->MakeAllStale(); | |
| 387 } | |
| 388 | |
| 389 void DismissAllNonSticky() { | |
| 390 non_sticky_container_->DismissAll(); | |
| 391 } | |
| 392 | |
| 393 BalloonViewImpl* FindBalloonView(const Notification& notification) { | |
| 394 BalloonViewImpl* view = sticky_container_->FindBalloonView(notification); | |
| 395 return view ? view : non_sticky_container_->FindBalloonView(notification); | |
| 396 } | |
| 397 | |
| 398 BalloonViewImpl* FindBalloonView(const gfx::Point& point) { | |
| 399 BalloonViewImpl* view = sticky_container_->FindBalloonView(point); | |
| 400 return view ? view : non_sticky_container_->FindBalloonView(point); | |
| 401 } | |
| 402 | |
| 403 private: | |
| 404 BalloonSubContainer* GetContainerFor(Balloon* balloon) const { | |
| 405 BalloonViewImpl* view = GetBalloonViewOf(balloon); | |
| 406 return view->sticky() ? | |
| 407 sticky_container_ : non_sticky_container_; | |
| 408 } | |
| 409 | |
| 410 int margin_; | |
| 411 // Sticky/non-sticky ballon containers. They're child views and | |
| 412 // deleted when this container is deleted. | |
| 413 BalloonSubContainer* sticky_container_; | |
| 414 BalloonSubContainer* non_sticky_container_; | |
| 415 gfx::Size preferred_size_; | |
| 416 | |
| 417 DISALLOW_COPY_AND_ASSIGN(BalloonContainer); | |
| 418 }; | |
| 419 | |
| 420 NotificationPanel::NotificationPanel() | |
| 421 : balloon_container_(NULL), | |
| 422 panel_widget_(NULL), | |
| 423 container_host_(NULL), | |
| 424 state_(CLOSED), | |
| 425 min_bounds_(0, 0, kBalloonMinWidth, kBalloonMinHeight), | |
| 426 stale_timeout_(1000 * kStaleTimeoutInSeconds), | |
| 427 active_(NULL), | |
| 428 scroll_to_(NULL) { | |
| 429 Init(); | |
| 430 } | |
| 431 | |
| 432 NotificationPanel::~NotificationPanel() { | |
| 433 Hide(); | |
| 434 } | |
| 435 | |
| 436 //////////////////////////////////////////////////////////////////////////////// | |
| 437 // NotificationPanel public. | |
| 438 | |
| 439 void NotificationPanel::Show() { | |
| 440 if (!panel_widget_) { | |
| 441 panel_widget_ = new views::Widget; | |
| 442 // TODO(oshima): Using window because Popup widget behaves weird | |
| 443 // when resizing. This needs to be investigated. | |
| 444 Widget::InitParams params(Widget::InitParams::TYPE_WINDOW_FRAMELESS); | |
| 445 // Enable double buffering because the panel has both pure views | |
| 446 // control and native controls (scroll bar). | |
| 447 params.double_buffer = true; | |
| 448 | |
| 449 gfx::Rect bounds = GetPreferredBounds(); | |
| 450 bounds = bounds.Union(min_bounds_); | |
| 451 params.bounds = bounds; | |
| 452 panel_widget_->Init(params); | |
| 453 // Set minimum bounds so that it can grow freely. | |
| 454 gtk_widget_set_size_request(GTK_WIDGET(panel_widget_->GetNativeView()), | |
| 455 min_bounds_.width(), min_bounds_.height()); | |
| 456 | |
| 457 views::NativeViewHost* native = new views::NativeViewHost(); | |
| 458 scroll_view_->SetContents(native); | |
| 459 | |
| 460 panel_widget_->SetContentsView(scroll_view_.get()); | |
| 461 | |
| 462 #if defined(USE_AURA) | |
| 463 native->AttachToView(balloon_container_.get()); | |
| 464 #else | |
| 465 // Add the view port after scroll_view is attached to the panel widget. | |
| 466 ViewportWidget* viewport_widget = new ViewportWidget(this); | |
| 467 container_host_ = viewport_widget; | |
| 468 container_host_->Init( | |
| 469 views::Widget::InitParams(views::Widget::InitParams::TYPE_CONTROL)); | |
| 470 container_host_->SetContentsView(balloon_container_.get()); | |
| 471 // The window_contents_ is onwed by the Widget. Increase ref count | |
| 472 // so that window_contents does not get deleted when detached. | |
| 473 g_object_ref(viewport_widget->GetNativeView()); | |
| 474 native->Attach(viewport_widget->GetNativeView()); | |
| 475 #endif | |
| 476 UnregisterNotification(); | |
| 477 panel_controller_.reset( | |
| 478 new PanelController(this, GTK_WINDOW(panel_widget_->GetNativeView()))); | |
| 479 panel_controller_->Init(false /* don't focus when opened */, | |
| 480 gfx::Rect(0, 0, kBalloonMinWidth, 1), 0, | |
| 481 WM_IPC_PANEL_USER_RESIZE_VERTICALLY); | |
| 482 registrar_.Add(this, chrome::NOTIFICATION_PANEL_STATE_CHANGED, | |
| 483 content::Source<PanelController>(panel_controller_.get())); | |
| 484 } | |
| 485 panel_widget_->Show(); | |
| 486 } | |
| 487 | |
| 488 void NotificationPanel::Hide() { | |
| 489 balloon_container_->DismissAllNonSticky(); | |
| 490 if (panel_widget_) { | |
| 491 if (container_host_) | |
| 492 container_host_->GetRootView()->RemoveChildView(balloon_container_.get()); | |
| 493 | |
| 494 views::NativeViewHost* native = | |
| 495 static_cast<views::NativeViewHost*>(scroll_view_->GetContents()); | |
| 496 native->Detach(); | |
| 497 scroll_view_->SetContents(NULL); | |
| 498 if (container_host_) { | |
| 499 container_host_->Hide(); | |
| 500 container_host_->CloseNow(); | |
| 501 container_host_ = NULL; | |
| 502 } | |
| 503 | |
| 504 UnregisterNotification(); | |
| 505 panel_controller_->Close(); | |
| 506 MessageLoop::current()->DeleteSoon(FROM_HERE, panel_controller_.release()); | |
| 507 // We need to remove & detach the scroll view from hierarchy to | |
| 508 // avoid GTK deleting child. | |
| 509 // TODO(oshima): handle this details in NativeWidgetGtk. | |
| 510 panel_widget_->GetRootView()->RemoveChildView(scroll_view_.get()); | |
| 511 panel_widget_->Close(); | |
| 512 panel_widget_ = NULL; | |
| 513 } | |
| 514 } | |
| 515 | |
| 516 //////////////////////////////////////////////////////////////////////////////// | |
| 517 // BalloonCollectionImpl::NotificationUI overrides. | |
| 518 | |
| 519 void NotificationPanel::Add(Balloon* balloon) { | |
| 520 balloon_container_->Add(balloon); | |
| 521 if (state_ == CLOSED || state_ == MINIMIZED) | |
| 522 SET_STATE(STICKY_AND_NEW); | |
| 523 Show(); | |
| 524 // Don't resize the panel yet. The panel will be resized when WebKit tells | |
| 525 // the size in ResizeNotification. | |
| 526 UpdatePanel(false); | |
| 527 UpdateControl(); | |
| 528 StartStaleTimer(balloon); | |
| 529 scroll_to_ = balloon; | |
| 530 } | |
| 531 | |
| 532 bool NotificationPanel::Update(Balloon* balloon) { | |
| 533 return balloon_container_->Update(balloon); | |
| 534 } | |
| 535 | |
| 536 void NotificationPanel::Remove(Balloon* balloon) { | |
| 537 BalloonViewImpl* view = balloon_container_->Remove(balloon); | |
| 538 if (view == active_) | |
| 539 active_ = NULL; | |
| 540 if (scroll_to_ == balloon) | |
| 541 scroll_to_ = NULL; | |
| 542 | |
| 543 // TODO(oshima): May be we shouldn't close | |
| 544 // if the mouse pointer is still on the panel. | |
| 545 if (balloon_container_->GetNotificationCount() == 0) | |
| 546 SET_STATE(CLOSED); | |
| 547 // no change to the state | |
| 548 if (state_ == KEEP_SIZE) { | |
| 549 // Just update the content. | |
| 550 UpdateContainerBounds(); | |
| 551 } else { | |
| 552 if (state_ != CLOSED && | |
| 553 balloon_container_->GetStickyNewNotificationCount() == 0) | |
| 554 SET_STATE(MINIMIZED); | |
| 555 UpdatePanel(true); | |
| 556 } | |
| 557 UpdateControl(); | |
| 558 } | |
| 559 | |
| 560 void NotificationPanel::Show(Balloon* balloon) { | |
| 561 if (state_ == CLOSED || state_ == MINIMIZED) | |
| 562 SET_STATE(STICKY_AND_NEW); | |
| 563 Show(); | |
| 564 UpdatePanel(true); | |
| 565 StartStaleTimer(balloon); | |
| 566 ScrollBalloonToVisible(balloon); | |
| 567 } | |
| 568 | |
| 569 void NotificationPanel::ResizeNotification( | |
| 570 Balloon* balloon, const gfx::Size& size) { | |
| 571 // restrict to the min & max sizes | |
| 572 gfx::Size real_size( | |
| 573 std::max(kBalloonMinWidth, | |
| 574 std::min(kBalloonMaxWidth, size.width())), | |
| 575 std::max(kBalloonMinHeight, | |
| 576 std::min(kBalloonMaxHeight, size.height()))); | |
| 577 | |
| 578 // Don't allow balloons to shrink. This avoids flickering | |
| 579 // which sometimes rapidly reports alternating sizes. Special | |
| 580 // case for setting the minimum value. | |
| 581 gfx::Size old_size = balloon->content_size(); | |
| 582 if (real_size.width() > old_size.width() || | |
| 583 real_size.height() > old_size.height() || | |
| 584 real_size == min_bounds_.size()) { | |
| 585 balloon->set_content_size(real_size); | |
| 586 GetBalloonViewOf(balloon)->Layout(); | |
| 587 UpdatePanel(true); | |
| 588 if (scroll_to_ == balloon) { | |
| 589 ScrollBalloonToVisible(scroll_to_); | |
| 590 scroll_to_ = NULL; | |
| 591 } | |
| 592 } | |
| 593 } | |
| 594 | |
| 595 void NotificationPanel::SetActiveView(BalloonViewImpl* view) { | |
| 596 // Don't change the active view if it's same notification, | |
| 597 // or the notification is being closed. | |
| 598 if (active_ == view || (view && view->closed())) | |
| 599 return; | |
| 600 if (active_) | |
| 601 active_->Deactivated(); | |
| 602 active_ = view; | |
| 603 if (active_) | |
| 604 active_->Activated(); | |
| 605 } | |
| 606 | |
| 607 //////////////////////////////////////////////////////////////////////////////// | |
| 608 // PanelController overrides. | |
| 609 | |
| 610 string16 NotificationPanel::GetPanelTitle() { | |
| 611 return string16(l10n_util::GetStringUTF16(IDS_NOTIFICATION_PANEL_TITLE)); | |
| 612 } | |
| 613 | |
| 614 SkBitmap NotificationPanel::GetPanelIcon() { | |
| 615 return SkBitmap(); | |
| 616 } | |
| 617 | |
| 618 bool NotificationPanel::CanClosePanel() { | |
| 619 return true; | |
| 620 } | |
| 621 | |
| 622 void NotificationPanel::ClosePanel() { | |
| 623 SET_STATE(CLOSED); | |
| 624 UpdatePanel(false); | |
| 625 } | |
| 626 | |
| 627 void NotificationPanel::ActivatePanel() { | |
| 628 if (active_) | |
| 629 active_->Activated(); | |
| 630 } | |
| 631 | |
| 632 //////////////////////////////////////////////////////////////////////////////// | |
| 633 // content::NotificationObserver overrides. | |
| 634 | |
| 635 void NotificationPanel::Observe(int type, | |
| 636 const content::NotificationSource& source, | |
| 637 const content::NotificationDetails& details) { | |
| 638 DCHECK(type == chrome::NOTIFICATION_PANEL_STATE_CHANGED); | |
| 639 PanelController::State* state = | |
| 640 reinterpret_cast<PanelController::State*>(details.map_key()); | |
| 641 switch (*state) { | |
| 642 case PanelController::EXPANDED: | |
| 643 // Geting expanded in STICKY_AND_NEW or in KEEP_SIZE state means | |
| 644 // that a new notification is added, so just leave the | |
| 645 // state. Otherwise, expand to full. | |
| 646 if (state_ != STICKY_AND_NEW && state_ != KEEP_SIZE) | |
| 647 SET_STATE(FULL); | |
| 648 // When the panel is to be expanded, we either show all, or | |
| 649 // show only sticky/new, depending on the state. | |
| 650 UpdatePanel(false); | |
| 651 break; | |
| 652 case PanelController::MINIMIZED: | |
| 653 SET_STATE(MINIMIZED); | |
| 654 // Make all notifications stale when a user minimize the panel. | |
| 655 balloon_container_->MakeAllStale(); | |
| 656 break; | |
| 657 case PanelController::INITIAL: | |
| 658 NOTREACHED() << "Transition to Initial state should not happen"; | |
| 659 } | |
| 660 } | |
| 661 | |
| 662 //////////////////////////////////////////////////////////////////////////////// | |
| 663 // PanelController public. | |
| 664 | |
| 665 void NotificationPanel::OnMouseLeave() { | |
| 666 SetActiveView(NULL); | |
| 667 if (balloon_container_->GetNotificationCount() == 0) | |
| 668 SET_STATE(CLOSED); | |
| 669 UpdatePanel(true); | |
| 670 } | |
| 671 | |
| 672 void NotificationPanel::OnMouseMotion(const gfx::Point& point) { | |
| 673 SetActiveView(balloon_container_->FindBalloonView(point)); | |
| 674 // We need to set the focus to scroll view to get mouse wheel | |
| 675 // working. Setting focus when mouse moves on the panel | |
| 676 // because focus may be taken by other view. | |
| 677 scroll_view_->RequestFocus(); | |
| 678 // This method used to set KEEP_SIZE state. However, | |
| 679 // some html notifications may want to change their size, | |
| 680 // and setting KEEP_SIZE caused them to behave differently | |
| 681 // depending on whether user moved mouse over notification | |
| 682 // or not. | |
| 683 } | |
| 684 | |
| 685 NotificationPanelTester* NotificationPanel::GetTester() { | |
| 686 if (!tester_.get()) | |
| 687 tester_.reset(new NotificationPanelTester(this)); | |
| 688 return tester_.get(); | |
| 689 } | |
| 690 | |
| 691 //////////////////////////////////////////////////////////////////////////////// | |
| 692 // NotificationPanel private. | |
| 693 | |
| 694 void NotificationPanel::Init() { | |
| 695 DCHECK(!panel_widget_); | |
| 696 balloon_container_.reset(new BalloonContainer(1)); | |
| 697 balloon_container_->set_parent_owned(false); | |
| 698 balloon_container_->set_background( | |
| 699 views::Background::CreateSolidBackground(kPanelBackground)); | |
| 700 | |
| 701 scroll_view_.reset(new views::ScrollView()); | |
| 702 scroll_view_->set_focusable(true); | |
| 703 scroll_view_->set_parent_owned(false); | |
| 704 scroll_view_->set_background( | |
| 705 views::Background::CreateSolidBackground(SK_ColorWHITE)); | |
| 706 } | |
| 707 | |
| 708 void NotificationPanel::UnregisterNotification() { | |
| 709 if (panel_controller_.get()) { | |
| 710 registrar_.Remove( | |
| 711 this, chrome::NOTIFICATION_PANEL_STATE_CHANGED, | |
| 712 content::Source<PanelController>(panel_controller_.get())); | |
| 713 } | |
| 714 } | |
| 715 | |
| 716 void NotificationPanel::ScrollBalloonToVisible(Balloon* balloon) { | |
| 717 BalloonViewImpl* view = GetBalloonViewOf(balloon); | |
| 718 if (!view->closed()) { | |
| 719 // We can't use View::ScrollRectToVisible because the viewport is not | |
| 720 // ancestor of the BalloonViewImpl. | |
| 721 // Use Widget's coordinate which is same as viewport's coordinates. | |
| 722 gfx::Point p(0, 0); | |
| 723 views::View::ConvertPointToWidget(view, &p); | |
| 724 gfx::Rect visible_rect(p.x(), p.y(), view->width(), view->height()); | |
| 725 scroll_view_->ScrollContentsRegionToBeVisible(visible_rect); | |
| 726 } | |
| 727 } | |
| 728 | |
| 729 void NotificationPanel::UpdatePanel(bool update_container_size) { | |
| 730 if (update_container_size) | |
| 731 UpdateContainerBounds(); | |
| 732 switch (state_) { | |
| 733 case KEEP_SIZE: { | |
| 734 gfx::Rect min_bounds = GetPreferredBounds(); | |
| 735 gfx::Rect panel_bounds = panel_widget_->GetWindowScreenBounds(); | |
| 736 if (min_bounds.height() < panel_bounds.height()) | |
| 737 panel_widget_->SetBounds(min_bounds); | |
| 738 else if (min_bounds.height() > panel_bounds.height()) { | |
| 739 // need scroll bar | |
| 740 int width = balloon_container_->width() + | |
| 741 scroll_view_->GetScrollBarWidth(); | |
| 742 panel_bounds.set_width(width); | |
| 743 panel_widget_->SetBounds(panel_bounds); | |
| 744 } | |
| 745 | |
| 746 // no change. | |
| 747 break; | |
| 748 } | |
| 749 case CLOSED: | |
| 750 Hide(); | |
| 751 break; | |
| 752 case MINIMIZED: | |
| 753 balloon_container_->MakeAllStale(); | |
| 754 if (panel_controller_.get()) | |
| 755 panel_controller_->SetState(PanelController::MINIMIZED); | |
| 756 break; | |
| 757 case FULL: | |
| 758 if (panel_widget_) { | |
| 759 panel_widget_->SetBounds(GetPreferredBounds()); | |
| 760 panel_controller_->SetState(PanelController::EXPANDED); | |
| 761 } | |
| 762 break; | |
| 763 case STICKY_AND_NEW: | |
| 764 if (panel_widget_) { | |
| 765 panel_widget_->SetBounds(GetStickyNewBounds()); | |
| 766 panel_controller_->SetState(PanelController::EXPANDED); | |
| 767 } | |
| 768 break; | |
| 769 } | |
| 770 } | |
| 771 | |
| 772 void NotificationPanel::UpdateContainerBounds() { | |
| 773 balloon_container_->UpdateBounds(); | |
| 774 views::NativeViewHost* native = | |
| 775 static_cast<views::NativeViewHost*>(scroll_view_->GetContents()); | |
| 776 // Update from WebKit may arrive after the panel is closed/hidden | |
| 777 // and viewport widget is detached. | |
| 778 if (native) { | |
| 779 native->SetBoundsRect(balloon_container_->bounds()); | |
| 780 scroll_view_->Layout(); | |
| 781 } | |
| 782 } | |
| 783 | |
| 784 void NotificationPanel::UpdateControl() { | |
| 785 if (container_host_) | |
| 786 static_cast<ViewportWidget*>(container_host_)->UpdateControl(); | |
| 787 } | |
| 788 | |
| 789 gfx::Rect NotificationPanel::GetPreferredBounds() { | |
| 790 gfx::Size pref_size = balloon_container_->GetPreferredSize(); | |
| 791 int new_height = std::min(pref_size.height(), kMaxPanelHeight); | |
| 792 int new_width = pref_size.width(); | |
| 793 // Adjust the width to avoid showing a horizontal scroll bar. | |
| 794 if (new_height != pref_size.height()) { | |
| 795 new_width += scroll_view_->GetScrollBarWidth(); | |
| 796 } | |
| 797 return gfx::Rect(0, 0, new_width, new_height).Union(min_bounds_); | |
| 798 } | |
| 799 | |
| 800 gfx::Rect NotificationPanel::GetStickyNewBounds() { | |
| 801 gfx::Size pref_size = balloon_container_->GetPreferredSize(); | |
| 802 gfx::Size sticky_size = balloon_container_->GetStickyNewSize(); | |
| 803 int new_height = std::min(sticky_size.height(), kMaxPanelHeight); | |
| 804 int new_width = pref_size.width(); | |
| 805 // Adjust the width to avoid showing a horizontal scroll bar. | |
| 806 if (new_height != pref_size.height()) | |
| 807 new_width += scroll_view_->GetScrollBarWidth(); | |
| 808 return gfx::Rect(0, 0, new_width, new_height).Union(min_bounds_); | |
| 809 } | |
| 810 | |
| 811 void NotificationPanel::StartStaleTimer(Balloon* balloon) { | |
| 812 BalloonViewImpl* view = GetBalloonViewOf(balloon); | |
| 813 MessageLoop::current()->PostDelayedTask( | |
| 814 FROM_HERE, | |
| 815 base::Bind(&NotificationPanel::OnStale, AsWeakPtr(), view), | |
| 816 stale_timeout_); | |
| 817 } | |
| 818 | |
| 819 void NotificationPanel::OnStale(BalloonViewImpl* view) { | |
| 820 // Note: |view| may point to deleted memory. | |
| 821 if (balloon_container_->HasBalloonView(view) && !view->stale()) { | |
| 822 view->set_stale(); | |
| 823 // don't update panel on stale | |
| 824 if (state_ == KEEP_SIZE) | |
| 825 return; | |
| 826 if (balloon_container_->GetStickyNewNotificationCount() > 0) { | |
| 827 SET_STATE(STICKY_AND_NEW); | |
| 828 } else { | |
| 829 SET_STATE(MINIMIZED); | |
| 830 } | |
| 831 UpdatePanel(false); | |
| 832 } | |
| 833 } | |
| 834 | |
| 835 void NotificationPanel::SetState(State new_state, const char* name) { | |
| 836 #if !defined(NDEBUG) | |
| 837 DVLOG(1) << "state transition " << ToStr(state_) << " >> " << ToStr(new_state) | |
| 838 << " in " << name; | |
| 839 #endif | |
| 840 state_ = new_state; | |
| 841 } | |
| 842 | |
| 843 void NotificationPanel::MarkStale(const Notification& notification) { | |
| 844 BalloonViewImpl* view = balloon_container_->FindBalloonView(notification); | |
| 845 DCHECK(view); | |
| 846 OnStale(view); | |
| 847 } | |
| 848 | |
| 849 //////////////////////////////////////////////////////////////////////////////// | |
| 850 // NotificationPanelTester public. | |
| 851 | |
| 852 int NotificationPanelTester::GetNotificationCount() const { | |
| 853 return panel_->balloon_container_->GetNotificationCount(); | |
| 854 } | |
| 855 | |
| 856 int NotificationPanelTester::GetStickyNotificationCount() const { | |
| 857 return panel_->balloon_container_->GetStickyNotificationCount(); | |
| 858 } | |
| 859 | |
| 860 int NotificationPanelTester::GetNewNotificationCount() const { | |
| 861 return panel_->balloon_container_->GetNewNotificationCount(); | |
| 862 } | |
| 863 | |
| 864 void NotificationPanelTester::SetStaleTimeout(int timeout) { | |
| 865 panel_->stale_timeout_ = timeout; | |
| 866 } | |
| 867 | |
| 868 void NotificationPanelTester::MarkStale(const Notification& notification) { | |
| 869 panel_->MarkStale(notification); | |
| 870 } | |
| 871 | |
| 872 PanelController* NotificationPanelTester::GetPanelController() const { | |
| 873 return panel_->panel_controller_.get(); | |
| 874 } | |
| 875 | |
| 876 BalloonViewImpl* NotificationPanelTester::GetBalloonView( | |
| 877 BalloonCollectionImpl* collection, | |
| 878 const Notification& notification) { | |
| 879 Balloon* balloon = collection->FindBalloon(notification); | |
| 880 DCHECK(balloon); | |
| 881 return GetBalloonViewOf(balloon); | |
| 882 } | |
| 883 | |
| 884 bool NotificationPanelTester::IsVisible(const BalloonViewImpl* view) const { | |
| 885 gfx::Rect rect = panel_->scroll_view_->GetVisibleRect(); | |
| 886 gfx::Point origin(0, 0); | |
| 887 views::View::ConvertPointToView(view, panel_->balloon_container_.get(), | |
| 888 &origin); | |
| 889 return rect.Contains(gfx::Rect(origin, view->size())); | |
| 890 } | |
| 891 | |
| 892 | |
| 893 bool NotificationPanelTester::IsActive(const BalloonViewImpl* view) const { | |
| 894 return panel_->active_ == view; | |
| 895 } | |
| 896 | |
| 897 } // namespace chromeos | |
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