window_event_dispatcher.cc revision effb81e5f8246d0db0270817048dc992db66e9fb
1a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// Copyright 2014 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/aura/window_event_dispatcher.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/debug/trace_event.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 10ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch#include "base/message_loop/message_loop.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/client/capture_client.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/client/cursor_client.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/client/event_client.h" 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/aura/client/focus_client.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/client/screen_position_client.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/env.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/window.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/window_delegate.h" 19a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#include "ui/aura/window_targeter.h" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/window_tracker.h" 21f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#include "ui/aura/window_tree_host.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/hit_test.h" 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/compositor/dip_util.h" 24d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "ui/events/event.h" 2568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)#include "ui/events/gestures/gesture_recognizer.h" 2668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)#include "ui/events/gestures/gesture_types.h" 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 28f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)typedef ui::EventDispatchDetails DispatchDetails; 29f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace aura { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Returns true if |target| has a non-client (frame) component at |location|, 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// in window coordinates. 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool IsNonClientLocation(Window* target, const gfx::Point& location) { 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!target->delegate()) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int hit_test_code = target->delegate()->GetNonClientComponent(location); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return hit_test_code != HTCLIENT && hit_test_code != HTNOWHERE; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Window* ConsumerToWindow(ui::GestureConsumer* consumer) { 448bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return consumer ? static_cast<Window*>(consumer) : NULL; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 47f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void SetLastMouseLocation(const Window* root_window, 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const gfx::Point& location_in_root) { 492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client::ScreenPositionClient* client = 502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client::GetScreenPositionClient(root_window); 512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (client) { 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Point location_in_screen = location_in_root; 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client->ConvertPointToScreen(root_window, &location_in_screen); 542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Env::GetInstance()->set_last_mouse_location(location_in_screen); 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else { 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Env::GetInstance()->set_last_mouse_location(location_in_root); 572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)bool IsEventCandidateForHold(const ui::Event& event) { 615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event.type() == ui::ET_TOUCH_MOVED) 625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return true; 635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event.type() == ui::ET_MOUSE_DRAGGED) 645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return true; 655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event.IsMouseEvent() && (event.flags() & ui::EF_IS_SYNTHESIZED)) 665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return true; 675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return false; 685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 69c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 73a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowEventDispatcher, public: 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)WindowEventDispatcher::WindowEventDispatcher(WindowTreeHost* host) 76a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) : host_(host), 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) touch_ids_down_(0), 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_pressed_handler_(NULL), 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_moved_handler_(NULL), 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event_dispatch_target_(NULL), 81a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) old_dispatch_target_(NULL), 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) synthesize_mouse_move_(false), 837d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) move_hold_count_(0), 845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dispatching_held_event_(false), 85effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch observer_manager_(this), 86f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) repost_event_factory_(this), 870f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) held_event_factory_(this) { 888bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) ui::GestureRecognizer::Get()->AddGestureEventHelper(this); 89effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Env::GetInstance()->AddObserver(this); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 92a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)WindowEventDispatcher::~WindowEventDispatcher() { 93a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) TRACE_EVENT0("shutdown", "WindowEventDispatcher::Destructor"); 94effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Env::GetInstance()->RemoveObserver(this); 958bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) ui::GestureRecognizer::Get()->RemoveGestureEventHelper(this); 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 98a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::RepostEvent(const ui::LocatedEvent& event) { 993551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) DCHECK(event.type() == ui::ET_MOUSE_PRESSED || 1003551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) event.type() == ui::ET_GESTURE_TAP_DOWN); 1012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We allow for only one outstanding repostable event. This is used 1022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // in exiting context menus. A dropped repost request is allowed. 1032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (event.type() == ui::ET_MOUSE_PRESSED) { 1042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) held_repostable_event_.reset( 1052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) new ui::MouseEvent( 1062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static_cast<const ui::MouseEvent&>(event), 1072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static_cast<aura::Window*>(event.target()), 108f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) window())); 1095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::MessageLoop::current()->PostNonNestableTask( 110a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) FROM_HERE, base::Bind( 111a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::IgnoreResult(&WindowEventDispatcher::DispatchHeldEvents), 112a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) repost_event_factory_.GetWeakPtr())); 1132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else { 1141e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) DCHECK(event.type() == ui::ET_GESTURE_TAP_DOWN); 1151e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) held_repostable_event_.reset(); 1161e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // TODO(rbyers): Reposing of gestures is tricky to get 1171e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // right, so it's not yet supported. crbug.com/170987. 1182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 121a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::OnMouseEventsEnableStateChanged(bool enabled) { 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Send entered / exited so that visual state can be updated to match 1232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // mouse events state. 124effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch PostSynthesizeMouseMove(); 1252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(mazda): Add code to disable mouse events when |enabled| == false. 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 128a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::DispatchCancelModeEvent() { 129a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::CancelModeEvent event; 130a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) Window* focused_window = client::GetFocusClient(window())->GetFocusedWindow(); 131a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (focused_window && !window()->Contains(focused_window)) 132a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) focused_window = NULL; 133a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) DispatchDetails details = 134a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) DispatchEvent(focused_window ? focused_window : window(), &event); 135a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (details.dispatcher_destroyed) 136a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return; 137a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 138a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 139a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::DispatchGestureEvent(ui::GestureEvent* event) { 140f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchDetails details = DispatchHeldEvents(); 141f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (details.dispatcher_destroyed) 142f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 1432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Window* target = GetGestureTarget(event); 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (target) { 146f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) event->ConvertLocationToTarget(window(), target); 147a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) DispatchDetails details = DispatchEvent(target, event); 148f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (details.dispatcher_destroyed) 149f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 153a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::DispatchMouseExitAtPoint(const gfx::Point& point) { 1545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui::MouseEvent event(ui::ET_MOUSE_EXITED, point, point, ui::EF_NONE, 1555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui::EF_NONE); 156f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchDetails details = 157f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchMouseEnterOrExit(event, ui::ET_MOUSE_EXITED); 158f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (details.dispatcher_destroyed) 159f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 16090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 16190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 162a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::ProcessedTouchEvent(ui::TouchEvent* event, 163a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) Window* window, 164a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::EventResult result) { 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<ui::GestureRecognizer::Gestures> gestures; 1668bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) gestures.reset(ui::GestureRecognizer::Get()-> 1678bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) ProcessTouchEventForGesture(*event, result, window)); 168f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchDetails details = ProcessGestures(gestures.get()); 169f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (details.dispatcher_destroyed) 170f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 173a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::HoldPointerMoves() { 1747d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!move_hold_count_) 1752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) held_event_factory_.InvalidateWeakPtrs(); 1767d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) ++move_hold_count_; 177a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) TRACE_EVENT_ASYNC_BEGIN0("ui", "WindowEventDispatcher::HoldPointerMoves", 178a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) this); 1797d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)} 1807d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 181a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::ReleasePointerMoves() { 1827d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) --move_hold_count_; 1837d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DCHECK_GE(move_hold_count_, 0); 1847d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!move_hold_count_ && held_move_event_) { 1857d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // We don't want to call DispatchHeldEvents directly, because this might be 1867d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // called from a deep stack while another event, in which case dispatching 1877d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // another one may not be safe/expected. Instead we post a task, that we 1887d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // may cancel if HoldPointerMoves is called again before it executes. 1895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::MessageLoop::current()->PostNonNestableTask( 190a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) FROM_HERE, base::Bind( 191a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::IgnoreResult(&WindowEventDispatcher::DispatchHeldEvents), 192a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) held_event_factory_.GetWeakPtr())); 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 194a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) TRACE_EVENT_ASYNC_END0("ui", "WindowEventDispatcher::HoldPointerMoves", this); 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 197a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)gfx::Point WindowEventDispatcher::GetLastMouseLocationInRoot() const { 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Point location = Env::GetInstance()->last_mouse_location(); 199f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) client::ScreenPositionClient* client = 200f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) client::GetScreenPositionClient(window()); 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (client) 202f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) client->ConvertPointFromScreen(window(), &location); 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return location; 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 206a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::OnHostLostMouseGrab() { 207a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) mouse_pressed_handler_ = NULL; 208a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) mouse_moved_handler_ = NULL; 209a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 210a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 211a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::OnCursorMovedToRootLocation( 212a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) const gfx::Point& root_location) { 213a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) SetLastMouseLocation(window(), root_location); 214a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) synthesize_mouse_move_ = false; 215a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 216a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 217effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnPostNotifiedWindowDestroying(Window* window) { 218effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch OnWindowHidden(window, WINDOW_DESTROYED); 219effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 220effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 222a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowEventDispatcher, private: 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 22423730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)Window* WindowEventDispatcher::window() { 22523730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) return host_->window(); 22623730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)} 22723730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) 22823730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)const Window* WindowEventDispatcher::window() const { 22923730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) return host_->window(); 23023730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)} 23123730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) 232a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::TransformEventForDeviceScaleFactor( 233a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::LocatedEvent* event) { 23423730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) event->UpdateForRootTransform(host_->GetInverseRootTransform()); 2352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 237effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::DispatchMouseExitToHidingWindow(Window* window) { 238effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // The mouse capture is intentionally ignored. Think that a mouse enters 239effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // to a window, the window sets the capture, the mouse exits the window, 240effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // and then it releases the capture. In that case OnMouseExited won't 241effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // be called. So it is natural not to emit OnMouseExited even though 242effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // |window| is the capture window. 243effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch gfx::Point last_mouse_location = GetLastMouseLocationInRoot(); 244effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (window->Contains(mouse_moved_handler_) && 245effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch window->ContainsPointInRoot(last_mouse_location)) 246effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DispatchMouseExitAtPoint(last_mouse_location); 247effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 248effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 249a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)ui::EventDispatchDetails WindowEventDispatcher::DispatchMouseEnterOrExit( 250f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const ui::MouseEvent& event, 251f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) ui::EventType type) { 2525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event.type() != ui::ET_MOUSE_CAPTURE_CHANGED && 2535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) !(event.flags() & ui::EF_IS_SYNTHESIZED)) { 2545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SetLastMouseLocation(window(), event.root_location()); 2555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 25723730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) if (!mouse_moved_handler_ || !mouse_moved_handler_->delegate() || 25823730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) !window()->Contains(mouse_moved_handler_)) 259f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return DispatchDetails(); 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // |event| may be an event in the process of being dispatched to a target (in 2625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // which case its locations will be in the event's target's coordinate 2635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // system), or a synthetic event created in root-window (in which case, the 2645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // event's target will be NULL, and the event will be in the root-window's 2655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // coordinate system. 2665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) aura::Window* target = static_cast<Window*>(event.target()); 2675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!target) 2685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) target = window(); 2692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ui::MouseEvent translated_event(event, 2705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) target, 2712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) mouse_moved_handler_, 2722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) type, 273eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch event.flags() | ui::EF_IS_SYNTHESIZED); 274a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return DispatchEvent(mouse_moved_handler_, &translated_event); 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 277a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)ui::EventDispatchDetails WindowEventDispatcher::ProcessGestures( 278f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) ui::GestureRecognizer::Gestures* gestures) { 279f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchDetails details; 2802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!gestures || gestures->empty()) 281f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return details; 2822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Window* target = GetGestureTarget(gestures->get().at(0)); 2842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t i = 0; i < gestures->size(); ++i) { 2852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ui::GestureEvent* event = gestures->get().at(i); 286f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) event->ConvertLocationToTarget(window(), target); 287a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) details = DispatchEvent(target, event); 288f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (details.dispatcher_destroyed || details.target_destroyed) 2892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 291f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return details; 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 294a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::OnWindowHidden(Window* invisible, 295a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) WindowHiddenReason reason) { 2965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // If the window the mouse was pressed in becomes invisible, it should no 2975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // longer receive mouse events. 2985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (invisible->Contains(mouse_pressed_handler_)) 2995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) mouse_pressed_handler_ = NULL; 3005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (invisible->Contains(mouse_moved_handler_)) 3015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) mouse_moved_handler_ = NULL; 3025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 303a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // If events are being dispatched from a nested message-loop, and the target 304a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // of the outer loop is hidden or moved to another dispatcher during 305a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // dispatching events in the inner loop, then reset the target for the outer 306a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // loop. 307a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (invisible->Contains(old_dispatch_target_)) 308a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) old_dispatch_target_ = NULL; 309a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 3105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) CleanupGestureState(invisible); 3115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Do not clear the capture, and the |event_dispatch_target_| if the 313effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // window is moving across hosts, because the target itself is actually still 314effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // visible and clearing them stops further event processing, which can cause 315effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // unexpected behaviors. See crbug.com/157583 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (reason != WINDOW_MOVING) { 317effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // We don't ask |invisible| here, because invisible may have been removed 318effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // from the window hierarchy already by the time this function is called 319effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // (OnWindowDestroyed). 320effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch client::CaptureClient* capture_client = 321effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch client::GetCaptureClient(host_->window()); 322effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Window* capture_window = 323effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch capture_client ? capture_client->GetCaptureWindow() : NULL; 3245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (invisible->Contains(event_dispatch_target_)) 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event_dispatch_target_ = NULL; 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // If the ancestor of the capture window is hidden, release the capture. 3295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Note that this may delete the window so do not use capture_window 3305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // after this. 3315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (invisible->Contains(capture_window) && invisible != window()) 3325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) capture_window->ReleaseCapture(); 3335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 336a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::CleanupGestureState(Window* window) { 337f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) ui::GestureRecognizer::Get()->CancelActiveTouches(window); 3388bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) ui::GestureRecognizer::Get()->CleanupStateForConsumer(window); 339f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const Window::Windows& windows = window->children(); 340f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) for (Window::Windows::const_iterator iter = windows.begin(); 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) iter != windows.end(); 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ++iter) { 343f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) CleanupGestureState(*iter); 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 347effb81e5f8246d0db0270817048dc992db66e9fbBen MurdochWindow* WindowEventDispatcher::GetGestureTarget(ui::GestureEvent* event) { 348effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Window* target = NULL; 349effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!event->IsEndingEvent()) { 350effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // The window that received the start event (e.g. scroll begin) needs to 351effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // receive the end event (e.g. scroll end). 352effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch target = client::GetCaptureWindow(window()); 353effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 354effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!target) { 355effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch target = ConsumerToWindow( 356effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ui::GestureRecognizer::Get()->GetTargetForGestureEvent(*event)); 357effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 358effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 359effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return target; 360effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 361effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 3628bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 363a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowEventDispatcher, aura::client::CaptureDelegate implementation: 3648bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 365a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::UpdateCapture(Window* old_capture, 366a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) Window* new_capture) { 3678bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // |mouse_moved_handler_| may have been set to a Window in a different root 3688bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // (see below). Clear it here to ensure we don't end up referencing a stale 3698bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // Window. 370f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (mouse_moved_handler_ && !window()->Contains(mouse_moved_handler_)) 3718bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) mouse_moved_handler_ = NULL; 3728bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 373f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (old_capture && old_capture->GetRootWindow() == window() && 3748bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) old_capture->delegate()) { 3758bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // Send a capture changed event with bogus location data. 3768bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) ui::MouseEvent event(ui::ET_MOUSE_CAPTURE_CHANGED, gfx::Point(), 3775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Point(), 0, 0); 3788bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 379a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) DispatchDetails details = DispatchEvent(old_capture, &event); 380f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (details.dispatcher_destroyed) 381f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 3828bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 3838bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) old_capture->delegate()->OnCaptureLost(); 3848bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) } 3858bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 3868bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) if (new_capture) { 3878bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // Make all subsequent mouse events go to the capture window. We shouldn't 3888bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // need to send an event here as OnCaptureLost() should take care of that. 3898bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) if (mouse_moved_handler_ || Env::GetInstance()->IsMouseButtonDown()) 3908bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) mouse_moved_handler_ = new_capture; 3918bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) } else { 3928bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // Make sure mouse_moved_handler gets updated. 393f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchDetails details = SynthesizeMouseMoveEvent(); 394f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (details.dispatcher_destroyed) 395f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 3968bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) } 3978bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) mouse_pressed_handler_ = NULL; 3988bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 3998bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 400a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::OnOtherRootGotCapture() { 4011e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) mouse_moved_handler_ = NULL; 4021e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) mouse_pressed_handler_ = NULL; 4031e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)} 4041e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 405a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::SetNativeCapture() { 4068bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) host_->SetCapture(); 4078bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 4088bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 409a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::ReleaseNativeCapture() { 4108bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) host_->ReleaseCapture(); 4118bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 4128bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 4138bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 414a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowEventDispatcher, ui::EventProcessor implementation: 415a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)ui::EventTarget* WindowEventDispatcher::GetRootTarget() { 416a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return window(); 417a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)} 418a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 419a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::PrepareEventForDispatch(ui::Event* event) { 4205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (dispatching_held_event_) { 4215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The held events are already in |window()|'s coordinate system. So it is 4225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // not necessary to apply the transform to convert from the host's 4235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // coordinate system to |window()|'s coordinate system. 4245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 4255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event->IsMouseEvent() || 4275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->IsScrollEvent() || 4285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->IsTouchEvent() || 4295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->IsGestureEvent()) { 4305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) TransformEventForDeviceScaleFactor(static_cast<ui::LocatedEvent*>(event)); 4315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 4335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 434a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 435a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowEventDispatcher, ui::EventDispatcherDelegate implementation: 4368bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 437a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)bool WindowEventDispatcher::CanDispatchToTarget(ui::EventTarget* target) { 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return event_dispatch_target_ == target; 4395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 441a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)ui::EventDispatchDetails WindowEventDispatcher::PreDispatchEvent( 442a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::EventTarget* target, 443a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::Event* event) { 444a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) Window* target_window = static_cast<Window*>(target); 445a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) CHECK(window()->Contains(target_window)); 446a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 4475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!dispatching_held_event_) { 4485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool can_be_held = IsEventCandidateForHold(*event); 4495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!move_hold_count_ || !can_be_held) { 4505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (can_be_held) 4515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) held_move_event_.reset(); 4525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DispatchDetails details = DispatchHeldEvents(); 4535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (details.dispatcher_destroyed || details.target_destroyed) 4545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return details; 4555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 4585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event->IsMouseEvent()) { 4595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PreDispatchMouseEvent(target_window, static_cast<ui::MouseEvent*>(event)); 4605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else if (event->IsScrollEvent()) { 4615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PreDispatchLocatedEvent(target_window, 4625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) static_cast<ui::ScrollEvent*>(event)); 4635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else if (event->IsTouchEvent()) { 4645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PreDispatchTouchEvent(target_window, static_cast<ui::TouchEvent*>(event)); 4655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 466a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) old_dispatch_target_ = event_dispatch_target_; 467a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) event_dispatch_target_ = static_cast<Window*>(target); 468a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return DispatchDetails(); 469a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)} 470a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 471a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)ui::EventDispatchDetails WindowEventDispatcher::PostDispatchEvent( 472a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::EventTarget* target, 473a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) const ui::Event& event) { 474a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) DispatchDetails details; 475a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!target || target != event_dispatch_target_) 476a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) details.target_destroyed = true; 477a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) event_dispatch_target_ = old_dispatch_target_; 478a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) old_dispatch_target_ = NULL; 479a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#ifndef NDEBUG 480a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) DCHECK(!event_dispatch_target_ || window()->Contains(event_dispatch_target_)); 481a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#endif 4825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 4835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event.IsTouchEvent() && !details.target_destroyed) { 4845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Do not let 'held' touch events contribute to any gestures. 4855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!held_move_event_ || !held_move_event_->IsTouchEvent()) { 4865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui::TouchEvent orig_event(static_cast<const ui::TouchEvent&>(event), 4875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) static_cast<Window*>(event.target()), window()); 4885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Get the list of GestureEvents from GestureRecognizer. 4895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_ptr<ui::GestureRecognizer::Gestures> gestures; 4905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gestures.reset(ui::GestureRecognizer::Get()-> 4915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ProcessTouchEventForGesture(orig_event, event.result(), 4925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) static_cast<Window*>(target))); 4935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return ProcessGestures(gestures.get()); 4945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 497a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return details; 498a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)} 499a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 5008bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 501a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowEventDispatcher, ui::GestureEventHelper implementation: 5028bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 503a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)bool WindowEventDispatcher::CanDispatchToConsumer( 504a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::GestureConsumer* consumer) { 505a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) Window* consumer_window = ConsumerToWindow(consumer); 506f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return (consumer_window && consumer_window->GetRootWindow() == window()); 5078bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 5088bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 509a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::DispatchPostponedGestureEvent( 510a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::GestureEvent* event) { 5118bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) DispatchGestureEvent(event); 5125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 514a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::DispatchCancelTouchEvent(ui::TouchEvent* event) { 5155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DispatchDetails details = OnEventFromSource(event); 5165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (details.dispatcher_destroyed) 5175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 5185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5208bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 521effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch// WindowEventDispatcher, WindowObserver implementation: 522effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 523effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowDestroying(Window* window) { 524effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(window)) 525effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 526effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 527effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DispatchMouseExitToHidingWindow(window); 528effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch SynthesizeMouseMoveAfterChangeToWindow(window); 529effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 530effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 531effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowDestroyed(Window* window) { 532effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // We observe all windows regardless of what root Window (if any) they're 533effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // attached to. 534effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch observer_manager_.Remove(window); 535effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 536effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 537effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowAddedToRootWindow(Window* attached) { 538effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!observer_manager_.IsObserving(attached)) 539effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch observer_manager_.Add(attached); 540effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 541effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(attached)) 542effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 543effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 544effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch SynthesizeMouseMoveAfterChangeToWindow(attached); 545effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 546effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 547effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowRemovingFromRootWindow(Window* detached, 548effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Window* new_root) { 549effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(detached)) 550effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 551effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 552effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DCHECK(client::GetCaptureWindow(window()) != window()); 553effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 554effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DispatchMouseExitToHidingWindow(detached); 555effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch SynthesizeMouseMoveAfterChangeToWindow(detached); 556effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 557effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // Hiding the window releases capture which can implicitly destroy the window 558effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // so the window may no longer be valid after this call. 559effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch OnWindowHidden(detached, new_root ? WINDOW_MOVING : WINDOW_HIDDEN); 560effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 561effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 562effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowVisibilityChanging(Window* window, 563effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bool visible) { 564effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(window)) 565effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 566effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 567effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DispatchMouseExitToHidingWindow(window); 568effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 569effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 570effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowVisibilityChanged(Window* window, 571effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bool visible) { 572effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(window)) 573effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 574effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 575effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (window->ContainsPointInRoot(GetLastMouseLocationInRoot())) 576effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch PostSynthesizeMouseMove(); 577effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 578effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // Hiding the window releases capture which can implicitly destroy the window 579effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // so the window may no longer be valid after this call. 580effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!visible) 581effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch OnWindowHidden(window, WINDOW_HIDDEN); 582effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 583effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 584effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowBoundsChanged(Window* window, 585effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch const gfx::Rect& old_bounds, 586effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch const gfx::Rect& new_bounds) { 587effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(window)) 588effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 589effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 590effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (window == host_->window()) { 591effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch TRACE_EVENT1("ui", "WindowEventDispatcher::OnWindowBoundsChanged(root)", 592effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "size", new_bounds.size().ToString()); 593effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 594effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DispatchDetails details = DispatchHeldEvents(); 595effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (details.dispatcher_destroyed) 596effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 597effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 598effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // Constrain the mouse position within the new root Window size. 599effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch gfx::Point point; 600effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (host_->QueryMouseLocation(&point)) { 601effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch SetLastMouseLocation( 602effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch host_->window(), 603effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ui::ConvertPointToDIP(host_->window()->layer(), point)); 604effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 605effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch synthesize_mouse_move_ = false; 606effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 607effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 608effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (window->IsVisible()) { 609effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch gfx::Rect old_bounds_in_root = old_bounds, new_bounds_in_root = new_bounds; 610effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Window::ConvertRectToTarget(window->parent(), host_->window(), 611effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch &old_bounds_in_root); 612effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Window::ConvertRectToTarget(window->parent(), host_->window(), 613effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch &new_bounds_in_root); 614effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch gfx::Point last_mouse_location = GetLastMouseLocationInRoot(); 615effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (old_bounds_in_root.Contains(last_mouse_location) != 616effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch new_bounds_in_root.Contains(last_mouse_location)) { 617effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch PostSynthesizeMouseMove(); 618effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 619effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 620effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 621effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 622effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowTransforming(Window* window) { 623effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(window)) 624effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 625effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 626effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch SynthesizeMouseMoveAfterChangeToWindow(window); 627effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 628effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 629effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowTransformed(Window* window) { 630effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(window)) 631effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 632effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 633effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch SynthesizeMouseMoveAfterChangeToWindow(window); 634effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 635effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 636effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch/////////////////////////////////////////////////////////////////////////////// 637effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch// WindowEventDispatcher, EnvObserver implementation: 638effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 639effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowInitialized(Window* window) { 640effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch observer_manager_.Add(window); 641effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 642effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 643effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch//////////////////////////////////////////////////////////////////////////////// 644a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowEventDispatcher, private: 6455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 646a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)ui::EventDispatchDetails WindowEventDispatcher::DispatchHeldEvents() { 6475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!held_repostable_event_ && !held_move_event_) 6485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return DispatchDetails(); 6495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) CHECK(!dispatching_held_event_); 6515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dispatching_held_event_ = true; 6525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DispatchDetails dispatch_details; 6545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (held_repostable_event_) { 6555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (held_repostable_event_->type() == ui::ET_MOUSE_PRESSED) { 6565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_ptr<ui::MouseEvent> mouse_event( 6575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) static_cast<ui::MouseEvent*>(held_repostable_event_.release())); 6585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dispatch_details = OnEventFromSource(mouse_event.get()); 659f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } else { 6605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(rbyers): GESTURE_TAP_DOWN not yet supported: crbug.com/170987. 6615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) NOTREACHED(); 662f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 6635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (dispatch_details.dispatcher_destroyed) 6645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return dispatch_details; 665f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 6665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (held_move_event_) { 6685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // If a mouse move has been synthesized, the target location is suspect, 6695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // so drop the held mouse event. 6705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (held_move_event_->IsTouchEvent() || 6715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) (held_move_event_->IsMouseEvent() && !synthesize_mouse_move_)) { 6725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dispatch_details = OnEventFromSource(held_move_event_.get()); 6735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 6745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!dispatch_details.dispatcher_destroyed) 6755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) held_move_event_.reset(); 6765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 6775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!dispatch_details.dispatcher_destroyed) 6795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dispatching_held_event_ = false; 6805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return dispatch_details; 681f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 682f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 683effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::PostSynthesizeMouseMove() { 6845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (synthesize_mouse_move_) 6855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 6865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) synthesize_mouse_move_ = true; 6875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::MessageLoop::current()->PostNonNestableTask( 6885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FROM_HERE, 689a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::Bind(base::IgnoreResult( 690a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) &WindowEventDispatcher::SynthesizeMouseMoveEvent), 691a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) held_event_factory_.GetWeakPtr())); 6925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 694effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::SynthesizeMouseMoveAfterChangeToWindow( 695effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Window* window) { 696effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (window->IsVisible() && 697effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch window->ContainsPointInRoot(GetLastMouseLocationInRoot())) { 698effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch PostSynthesizeMouseMove(); 699effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 700effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 701effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 702a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)ui::EventDispatchDetails WindowEventDispatcher::SynthesizeMouseMoveEvent() { 7035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DispatchDetails details; 7045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!synthesize_mouse_move_) 7055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return details; 7065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) synthesize_mouse_move_ = false; 7075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Point root_mouse_location = GetLastMouseLocationInRoot(); 7085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!window()->bounds().Contains(root_mouse_location)) 7095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return details; 7105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Point host_mouse_location = root_mouse_location; 71123730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) host_->ConvertPointToHost(&host_mouse_location); 7125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui::MouseEvent event(ui::ET_MOUSE_MOVED, 7135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) host_mouse_location, 7145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) host_mouse_location, 7155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui::EF_IS_SYNTHESIZED, 7165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 0); 7175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return OnEventFromSource(&event); 7185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 7195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 720a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::PreDispatchLocatedEvent(Window* target, 721a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::LocatedEvent* event) { 7225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int flags = event->flags(); 7235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (IsNonClientLocation(target, event->location())) 7245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) flags |= ui::EF_IS_NON_CLIENT; 7255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->set_flags(flags); 7265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 7275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!dispatching_held_event_ && 7285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) (event->IsMouseEvent() || event->IsScrollEvent()) && 7295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) !(event->flags() & ui::EF_IS_SYNTHESIZED)) { 7305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event->type() != ui::ET_MOUSE_CAPTURE_CHANGED) 7315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SetLastMouseLocation(window(), event->root_location()); 7325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) synthesize_mouse_move_ = false; 7334e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 7342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 736a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::PreDispatchMouseEvent(Window* target, 737a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::MouseEvent* event) { 738f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) client::CursorClient* cursor_client = client::GetCursorClient(window()); 739eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (cursor_client && 740eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch !cursor_client->IsMouseEventsEnabled() && 7415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) (event->flags() & ui::EF_IS_SYNTHESIZED)) { 7425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 7435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 7445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 745eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 7465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (IsEventCandidateForHold(*event) && !dispatching_held_event_) { 7475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (move_hold_count_) { 7485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!(event->flags() & ui::EF_IS_SYNTHESIZED) && 7495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->type() != ui::ET_MOUSE_CAPTURE_CHANGED) { 7505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SetLastMouseLocation(window(), event->root_location()); 7515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 7525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) held_move_event_.reset(new ui::MouseEvent(*event, target, window())); 7535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 7545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 7555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else { 7565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // We may have a held event for a period between the time move_hold_count_ 7575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // fell to 0 and the DispatchHeldEvents executes. Since we're going to 7585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // dispatch the new event directly below, we can reset the old one. 7595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) held_move_event_.reset(); 7605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 7615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 7625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 7635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const int kMouseButtonFlagMask = ui::EF_LEFT_MOUSE_BUTTON | 7645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui::EF_MIDDLE_MOUSE_BUTTON | 7655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui::EF_RIGHT_MOUSE_BUTTON; 7665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (event->type()) { 7672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case ui::ET_MOUSE_EXITED: 7685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!target || target == window()) { 769f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchDetails details = 770f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchMouseEnterOrExit(*event, ui::ET_MOUSE_EXITED); 7715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (details.dispatcher_destroyed) { 7725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 7735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 7745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 7758bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) mouse_moved_handler_ = NULL; 7762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 7772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 7785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case ui::ET_MOUSE_MOVED: 77958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Send an exit to the current |mouse_moved_handler_| and an enter to 78058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // |target|. Take care that both us and |target| aren't destroyed during 78158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // dispatch. 78258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (target != mouse_moved_handler_) { 78358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) aura::Window* old_mouse_moved_handler = mouse_moved_handler_; 7845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) WindowTracker live_window; 7855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) live_window.Add(target); 786f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchDetails details = 787f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchMouseEnterOrExit(*event, ui::ET_MOUSE_EXITED); 7885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (details.dispatcher_destroyed) { 7895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 7905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 7915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 79258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // If the |mouse_moved_handler_| changes out from under us, assume a 79358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // nested message loop ran and we don't need to do anything. 7945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (mouse_moved_handler_ != old_mouse_moved_handler) { 7955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 7965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 7975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 7985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!live_window.Contains(target) || details.target_destroyed) { 7998bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) mouse_moved_handler_ = NULL; 8005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 8015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 8025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 8035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) live_window.Remove(target); 8045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 8055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) mouse_moved_handler_ = target; 8065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) details = DispatchMouseEnterOrExit(*event, ui::ET_MOUSE_ENTERED); 8075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (details.dispatcher_destroyed || details.target_destroyed) { 8085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 8095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 81058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) } 81158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) } 8125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case ui::ET_MOUSE_PRESSED: 8142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Don't set the mouse pressed handler for non client mouse down events. 8152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // These are only sent by Windows and are not always followed with non 8162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // client mouse up events which causes subsequent mouse events to be 8172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // sent to the wrong target. 8182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!(event->flags() & ui::EF_IS_NON_CLIENT) && !mouse_pressed_handler_) 8195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_pressed_handler_ = target; 820eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch Env::GetInstance()->set_mouse_button_flags( 821eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch event->flags() & kMouseButtonFlagMask); 8225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case ui::ET_MOUSE_RELEASED: 8245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_pressed_handler_ = NULL; 825eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch Env::GetInstance()->set_mouse_button_flags(event->flags() & 826eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch kMouseButtonFlagMask & ~event->changed_button_flags()); 8275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 8295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 8325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PreDispatchLocatedEvent(target, event); 8335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 835a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::PreDispatchTouchEvent(Window* target, 836a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::TouchEvent* event) { 8377d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) switch (event->type()) { 8387d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) case ui::ET_TOUCH_PRESSED: 8397d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) touch_ids_down_ |= (1 << event->touch_id()); 8407d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) Env::GetInstance()->set_touch_down(touch_ids_down_ != 0); 8417d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) break; 8427d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 8437d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Handle ET_TOUCH_CANCELLED only if it has a native event. 8447d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) case ui::ET_TOUCH_CANCELLED: 8457d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!event->HasNativeEvent()) 8467d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) break; 8477d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // fallthrough 8487d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) case ui::ET_TOUCH_RELEASED: 8497d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) touch_ids_down_ = (touch_ids_down_ | (1 << event->touch_id())) ^ 8507d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) (1 << event->touch_id()); 8517d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) Env::GetInstance()->set_touch_down(touch_ids_down_ != 0); 8527d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) break; 8537d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 8545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) case ui::ET_TOUCH_MOVED: 8555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (move_hold_count_ && !dispatching_held_event_) { 8565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) held_move_event_.reset(new ui::TouchEvent(*event, target, window())); 8575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 8585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 8595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 8607d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) break; 8617d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 8625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) default: 8631e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) NOTREACHED(); 8645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) break; 8655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PreDispatchLocatedEvent(target, event); 8675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace aura 870