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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "views/touchui/gesture_manager.h" | |
| 6 #ifndef NDEBUG | |
| 7 #include <ostream> | |
| 8 #endif | |
| 9 | |
| 10 #include "base/logging.h" | |
| 11 #include "views/events/event.h" | |
| 12 #include "views/view.h" | |
| 13 #include "views/views_delegate.h" | |
| 14 #include "views/widget/widget.h" | |
| 15 | |
| 16 namespace views { | |
| 17 | |
| 18 GestureManager::~GestureManager() { | |
| 19 } | |
| 20 | |
| 21 GestureManager* GestureManager::GetInstance() { | |
| 22 return Singleton<GestureManager>::get(); | |
| 23 } | |
| 24 | |
| 25 bool GestureManager::ProcessTouchEventForGesture(const TouchEvent& event, | |
| 26 View* source, | |
| 27 ui::TouchStatus status) { | |
| 28 if (status != ui::TOUCH_STATUS_UNKNOWN) | |
| 29 return false; // The event was consumed by a touch sequence. | |
| 30 | |
| 31 // TODO(rjkroege): A realistic version of the GestureManager will | |
| 32 // appear in a subsequent CL. This interim version permits verifying that the | |
| 33 // event distribution code works by turning all touch inputs into | |
| 34 // mouse approximations. | |
| 35 | |
| 36 // Conver the touch-event into a mouse-event. This mouse-event gets its | |
| 37 // location information from the native-event, so it needs to convert the | |
| 38 // coordinate to the target widget. | |
| 39 MouseEvent mouseev(event); | |
| 40 if (ViewsDelegate::views_delegate->GetDefaultParentView()) { | |
| 41 // TODO(oshima): We may need to send the event back through | |
| 42 // window manager to handle mouse capture correctly. | |
| 43 Widget* desktop = | |
| 44 ViewsDelegate::views_delegate->GetDefaultParentView()->GetWidget(); | |
| 45 Widget* source_widget = source->GetWidget(); | |
| 46 MouseEvent converted( | |
| 47 mouseev, desktop->GetRootView(), source_widget->GetRootView()); | |
| 48 source_widget->OnMouseEvent(converted); | |
| 49 } else { | |
| 50 Widget* source_widget = source->GetWidget(); | |
| 51 Widget* top_widget = source_widget->GetTopLevelWidget(); | |
| 52 if (source_widget != top_widget && top_widget) { | |
| 53 // This is necessary as TYPE_CHILD widget is still NativeWidgetGtk. | |
| 54 // Fix this once TYPE_CHILD is switched to NativeWidgetViews. | |
| 55 MouseEvent converted(mouseev, | |
| 56 top_widget->GetRootView(), | |
| 57 source_widget->GetRootView()); | |
| 58 source_widget->OnMouseEvent(mouseev); | |
| 59 } else { | |
| 60 source_widget->OnMouseEvent(mouseev); | |
| 61 } | |
| 62 } | |
| 63 return true; | |
| 64 } | |
| 65 | |
| 66 GestureManager::GestureManager() { | |
| 67 } | |
| 68 | |
| 69 } // namespace views | |
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