| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ash/system/tray/tray_event_filter.h" |
| |
| #include "ash/root_window_controller.h" |
| #include "ash/shelf/shelf_layout_manager.h" |
| #include "ash/shell.h" |
| #include "ash/shell_window_ids.h" |
| #include "ash/system/tray/tray_background_view.h" |
| #include "ash/system/tray/tray_bubble_wrapper.h" |
| #include "ash/system/tray/tray_constants.h" |
| #include "ash/system/tray/tray_event_filter.h" |
| #include "ui/aura/client/screen_position_client.h" |
| #include "ui/aura/window.h" |
| #include "ui/aura/window_event_dispatcher.h" |
| #include "ui/views/widget/widget.h" |
| |
| namespace ash { |
| |
| TrayEventFilter::TrayEventFilter() { |
| } |
| |
| TrayEventFilter::~TrayEventFilter() { |
| DCHECK(wrappers_.empty()); |
| } |
| |
| void TrayEventFilter::AddWrapper(TrayBubbleWrapper* wrapper) { |
| bool was_empty = wrappers_.empty(); |
| wrappers_.insert(wrapper); |
| if (was_empty && !wrappers_.empty()) |
| ash::Shell::GetInstance()->AddPreTargetHandler(this); |
| } |
| |
| void TrayEventFilter::RemoveWrapper(TrayBubbleWrapper* wrapper) { |
| wrappers_.erase(wrapper); |
| if (wrappers_.empty()) |
| ash::Shell::GetInstance()->RemovePreTargetHandler(this); |
| } |
| |
| void TrayEventFilter::OnMouseEvent(ui::MouseEvent* event) { |
| if (event->type() == ui::ET_MOUSE_PRESSED && |
| ProcessLocatedEvent(event)) { |
| event->StopPropagation(); |
| } |
| } |
| |
| void TrayEventFilter::OnTouchEvent(ui::TouchEvent* event) { |
| if (event->type() == ui::ET_TOUCH_PRESSED && ProcessLocatedEvent(event)) |
| event->StopPropagation(); |
| } |
| |
| bool TrayEventFilter::ProcessLocatedEvent(ui::LocatedEvent* event) { |
| if (event->target()) { |
| aura::Window* target = static_cast<aura::Window*>(event->target()); |
| // Don't process events that occurred inside an embedded menu. |
| RootWindowController* root_controller = |
| GetRootWindowController(target->GetRootWindow()); |
| if (root_controller && |
| root_controller->GetContainer(kShellWindowId_MenuContainer) |
| ->Contains(target)) { |
| return false; |
| } |
| } |
| |
| // Check the boundary for all wrappers, and do not handle the event if it |
| // happens inside of any of those wrappers. |
| for (std::set<TrayBubbleWrapper*>::const_iterator iter = wrappers_.begin(); |
| iter != wrappers_.end(); ++iter) { |
| const TrayBubbleWrapper* wrapper = *iter; |
| const views::Widget* bubble_widget = wrapper->bubble_widget(); |
| if (!bubble_widget) |
| continue; |
| |
| gfx::Rect bounds = bubble_widget->GetWindowBoundsInScreen(); |
| bounds.Inset(wrapper->bubble_view()->GetBorderInsets()); |
| aura::Window* root = bubble_widget->GetNativeView()->GetRootWindow(); |
| aura::client::ScreenPositionClient* screen_position_client = |
| aura::client::GetScreenPositionClient(root); |
| gfx::Point screen_point(event->root_location()); |
| screen_position_client->ConvertPointToScreen(root, &screen_point); |
| |
| if (bounds.Contains(screen_point)) |
| return false; |
| if (wrapper->tray()) { |
| // If the user clicks on the parent tray, don't process the event here, |
| // let the tray logic handle the event and determine show/hide behavior. |
| bounds = wrapper->tray()->GetBoundsInScreen(); |
| if (bounds.Contains(screen_point)) |
| return false; |
| } |
| } |
| |
| // Handle clicking outside the bubble and tray and return true if the |
| // event was handled. |
| // Cannot iterate |wrappers_| directly, because clicking outside will remove |
| // the wrapper, which shrinks |wrappers_| unsafely. |
| std::set<TrayBackgroundView*> trays; |
| for (std::set<TrayBubbleWrapper*>::iterator iter = wrappers_.begin(); |
| iter != wrappers_.end(); ++iter) { |
| trays.insert((*iter)->tray()); |
| } |
| bool handled = false; |
| for (std::set<TrayBackgroundView*>::iterator iter = trays.begin(); |
| iter != trays.end(); ++iter) { |
| handled |= (*iter)->ClickedOutsideBubble(); |
| } |
| return handled; |
| } |
| |
| } // namespace ash |