system_gesture_event_filter.cc revision d0247b1b59f9c528cb6df88b4f2b9afaf80d181e
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 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) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/wm/system_gesture_event_filter.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/accelerators/accelerator_controller.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/accelerators/accelerator_table.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/ash_switches.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/root_window_controller.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/shell.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/shell_delegate.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/shell_window_ids.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/wm/gestures/long_press_affordance_handler.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/wm/gestures/system_pinch_handler.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/wm/gestures/two_finger_drag_handler.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/wm/window_util.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/command_line.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/root_window.h" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/ui_base_switches.h" 21d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "ui/events/event.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 24c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "ui/base/touch/touch_factory_x11.h" 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)aura::Window* GetTargetForSystemGestureEvent(aura::Window* target) { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) aura::Window* system_target = target; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!system_target || system_target == target->GetRootWindow()) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) system_target = ash::wm::GetActiveWindow(); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (system_target) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) system_target = system_target->GetToplevelWindow(); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return system_target; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ash { 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace internal { 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SystemGestureEventFilter::SystemGestureEventFilter() 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : system_gestures_enabled_(CommandLine::ForCurrentProcess()-> 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HasSwitch(ash::switches::kAshEnableAdvancedGestures)), 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) long_press_affordance_(new LongPressAffordanceHandler), 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) two_finger_drag_(new TwoFingerDragHandler) { 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SystemGestureEventFilter::~SystemGestureEventFilter() { 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void SystemGestureEventFilter::OnMouseEvent(ui::MouseEvent* event) { 54eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch#if defined(OS_CHROMEOS) && !defined(USE_OZONE) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (event->type() == ui::ET_MOUSE_PRESSED && event->native_event() && 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ui::TouchFactory::GetInstance()->IsTouchDevicePresent() && 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Shell::GetInstance()->delegate()) { 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Shell::GetInstance()->delegate()->RecordUserMetricsAction( 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UMA_MOUSE_DOWN); 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void SystemGestureEventFilter::OnTouchEvent(ui::TouchEvent* event) { 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* target = static_cast<aura::Window*>(event->target()); 66eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ash::TouchUMA::GetInstance()->RecordTouchEvent(target, *event); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) long_press_affordance_->ProcessEvent(target, event, event->touch_id()); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void SystemGestureEventFilter::OnGestureEvent(ui::GestureEvent* event) { 712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* target = static_cast<aura::Window*>(event->target()); 72eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ash::TouchUMA::GetInstance()->RecordGestureEvent(target, *event); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) long_press_affordance_->ProcessEvent(target, event, 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event->GetLowestTouchId()); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (two_finger_drag_->ProcessGestureEvent(target, *event)) { 772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) event->StopPropagation(); 782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!system_gestures_enabled_) 822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) aura::Window* system_target = GetTargetForSystemGestureEvent(target); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!system_target) 862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RootWindowController* root_controller = 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetRootWindowController(system_target->GetRootWindow()); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(root_controller); 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) aura::Window* desktop_container = root_controller->GetContainer( 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ash::internal::kShellWindowId_DesktopBackgroundContainer); 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (desktop_container->Contains(system_target)) { 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The gesture was on the desktop window. 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (event->type() == ui::ET_GESTURE_MULTIFINGER_SWIPE && 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event->details().swipe_up() && 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event->details().touch_points() == 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SystemPinchHandler::kSystemGesturePoints) { 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ash::AcceleratorController* accelerator = 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ash::Shell::GetInstance()->accelerator_controller(); 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (accelerator->PerformAction(CYCLE_FORWARD_MRU, ui::Accelerator())) 1022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) event->StopPropagation(); 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WindowPinchHandlerMap::iterator find = pinch_handlers_.find(system_target); 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (find != pinch_handlers_.end()) { 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SystemGestureStatus status = 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*find).second->ProcessGestureEvent(*event); 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (status == SYSTEM_GESTURE_END) 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClearGestureHandlerForWindow(system_target); 1132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) event->StopPropagation(); 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (event->type() == ui::ET_GESTURE_BEGIN && 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event->details().touch_points() >= 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SystemPinchHandler::kSystemGesturePoints) { 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pinch_handlers_[system_target] = new SystemPinchHandler(system_target); 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) system_target->AddObserver(this); 1202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) event->StopPropagation(); 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SystemGestureEventFilter::OnWindowVisibilityChanged(aura::Window* window, 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool visible) { 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!visible) 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClearGestureHandlerForWindow(window); 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SystemGestureEventFilter::OnWindowDestroying(aura::Window* window) { 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClearGestureHandlerForWindow(window); 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SystemGestureEventFilter::ClearGestureHandlerForWindow( 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) aura::Window* window) { 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WindowPinchHandlerMap::iterator find = pinch_handlers_.find(window); 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (find == pinch_handlers_.end()) { 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The handler may have already been removed. 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete (*find).second; 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pinch_handlers_.erase(find); 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) window->RemoveObserver(this); 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace internal 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ash 148