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| 1 // Copyright 2014 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 "mojo/services/window_manager/view_target.h" | |
| 6 | |
| 7 #include "mojo/services/public/cpp/view_manager/view.h" | |
| 8 #include "mojo/services/window_manager/window_manager_app.h" | |
| 9 #include "ui/events/event.h" | |
| 10 #include "ui/events/event_target_iterator.h" | |
| 11 #include "ui/events/event_targeter.h" | |
| 12 | |
| 13 namespace mojo { | |
| 14 | |
| 15 class ViewTargeter : public ui::EventTargeter {}; | |
| 16 | |
| 17 ViewTarget::ViewTarget(WindowManagerApp* app, View* view_to_wrap) | |
| 18 : app_(app), | |
| 19 view_(view_to_wrap) { | |
| 20 } | |
| 21 | |
| 22 ViewTarget::~ViewTarget() { | |
| 23 // We don't own our children or |view_|. | |
| 24 } | |
| 25 | |
| 26 bool ViewTarget::HasParent() const { | |
| 27 return view_->parent(); | |
| 28 } | |
| 29 | |
| 30 bool ViewTarget::IsVisible() const { | |
| 31 return view_->visible(); | |
| 32 } | |
| 33 | |
| 34 void ViewTarget::AddChild(ViewTarget* view) { | |
| 35 children_.push_back(view); | |
| 36 } | |
| 37 | |
| 38 scoped_ptr<ViewTargeter> ViewTarget::SetEventTargeter( | |
| 39 scoped_ptr<ViewTargeter> targeter) { | |
| 40 scoped_ptr<ViewTargeter> old_targeter = targeter_.Pass(); | |
| 41 targeter_ = targeter.Pass(); | |
| 42 return old_targeter.Pass(); | |
| 43 } | |
| 44 | |
| 45 bool ViewTarget::CanAcceptEvent(const ui::Event& event) { | |
| 46 // We need to make sure that a touch cancel event and any gesture events it | |
| 47 // creates can always reach the window. This ensures that we receive a valid | |
| 48 // touch / gesture stream. | |
| 49 if (event.IsEndingEvent()) | |
| 50 return true; | |
| 51 | |
| 52 if (!view_->visible()) | |
| 53 return false; | |
| 54 | |
| 55 // The top-most window can always process an event. | |
| 56 if (!view_->parent()) | |
| 57 return true; | |
| 58 | |
| 59 // For located events (i.e. mouse, touch etc.), an assumption is made that | |
| 60 // windows that don't have a default event-handler cannot process the event | |
| 61 // (see more in GetWindowForPoint()). This assumption is not made for key | |
| 62 // events. | |
| 63 return event.IsKeyEvent() || target_handler(); | |
| 64 } | |
| 65 | |
| 66 ui::EventTarget* ViewTarget::GetParentTarget() { | |
| 67 if (!view_->parent()) { | |
| 68 // We are the root node. | |
| 69 return nullptr; | |
| 70 } | |
| 71 | |
| 72 return app_->GetViewTargetForViewId(view_->parent()->id()); | |
| 73 } | |
| 74 | |
| 75 scoped_ptr<ui::EventTargetIterator> ViewTarget::GetChildIterator() const { | |
| 76 return scoped_ptr<ui::EventTargetIterator>( | |
| 77 new ui::EventTargetIteratorImpl<ViewTarget>(children_)); | |
| 78 } | |
| 79 | |
| 80 ui::EventTargeter* ViewTarget::GetEventTargeter() { | |
| 81 return targeter_.get(); | |
| 82 } | |
| 83 | |
| 84 void ViewTarget::ConvertEventToTarget(ui::EventTarget* target, | |
| 85 ui::LocatedEvent* event) { | |
| 86 // TODO(erg): Actually doing enabling this line requires doing some partially | |
| 87 // specialized template cruft. Punt for now. | |
| 88 // | |
| 89 // event->ConvertLocationToTarget(this, | |
| 90 // static_cast<ViewTarget*>(target)); | |
| 91 } | |
| 92 | |
| 93 } // namespace mojo | |
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Chromium Code Reviews
Issue 718573002:
Revert "Remove aura and make a pure mojo::View version of the aura::Window FocusController." (Closed)
Base URL: https://github.com/domokit/mojo.git@master