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Issue 8568022: views: Move desktop and touchui directories to ui/views/. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 9 years, 1 month ago
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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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