Index: mojo/services/window_manager/view_targeter.cc |
diff --git a/mojo/services/window_manager/view_targeter.cc b/mojo/services/window_manager/view_targeter.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..58fb370c7a3262957da8ff407dd02c508fbe0e6b |
--- /dev/null |
+++ b/mojo/services/window_manager/view_targeter.cc |
@@ -0,0 +1,109 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "mojo/services/window_manager/view_targeter.h" |
+ |
+#include "mojo/services/window_manager/capture_controller.h" |
+#include "mojo/services/window_manager/focus_controller.h" |
+#include "mojo/services/window_manager/view_target.h" |
+ |
+namespace window_manager { |
+ |
+ViewTargeter::ViewTargeter() {} |
+ |
+ViewTargeter::~ViewTargeter() {} |
+ |
+ui::EventTarget* ViewTargeter::FindTargetForEvent(ui::EventTarget* root, |
+ ui::Event* event) { |
+ ViewTarget* view = static_cast<ViewTarget*>(root); |
+ ViewTarget* target = |
+ event->IsKeyEvent() |
+ ? FindTargetForKeyEvent(view, *static_cast<ui::KeyEvent*>(event)) |
+ : static_cast<ViewTarget*>( |
+ EventTargeter::FindTargetForEvent(root, event)); |
+ |
+ // TODO(erg): The aura version of this method does a lot of work to handle |
+ // dispatching to a target that isn't a child of |view|. For now, punt on |
+ // this. |
+ DCHECK_EQ(view->GetRoot(), target->GetRoot()); |
+ |
+ return target; |
+} |
+ |
+ui::EventTarget* ViewTargeter::FindTargetForLocatedEvent( |
+ ui::EventTarget* root, |
+ ui::LocatedEvent* event) { |
+ ViewTarget* view = static_cast<ViewTarget*>(root); |
+ if (!view->HasParent()) { |
+ ViewTarget* target = FindTargetInRootView(view, *event); |
+ if (target) { |
+ view->ConvertEventToTarget(target, event); |
+ return target; |
+ } |
+ } |
+ return EventTargeter::FindTargetForLocatedEvent(view, event); |
+} |
+ |
+bool ViewTargeter::SubtreeCanAcceptEvent(ui::EventTarget* target, |
+ const ui::LocatedEvent& event) const { |
+ ViewTarget* view = static_cast<ViewTarget*>(target); |
+ |
+ if (!view->IsVisible()) |
+ return false; |
+ |
+ // TODO(erg): We may need to keep track of the parent on ViewTarget, because |
+ // we have a check here about |
+ // WindowDelegate::ShouldDescendIntoChildForEventHandling(). |
+ |
+ // TODO(sky): decide if we really want this. If we do, it should be a public |
+ // constant and documented. |
+ if (view->view()->shared_properties().count("deliver-events-to-parent")) |
+ return false; |
+ |
+ return true; |
+} |
+ |
+bool ViewTargeter::EventLocationInsideBounds( |
+ ui::EventTarget* target, |
+ const ui::LocatedEvent& event) const { |
+ ViewTarget* view = static_cast<ViewTarget*>(target); |
+ gfx::Point point = event.location(); |
+ const ViewTarget* parent = view->GetParent(); |
+ if (parent) |
+ ViewTarget::ConvertPointToTarget(parent, view, &point); |
+ return gfx::Rect(view->GetBounds().size()).Contains(point); |
+} |
+ |
+ViewTarget* ViewTargeter::FindTargetForKeyEvent(ViewTarget* view_target, |
+ const ui::KeyEvent& key) { |
+ FocusController* focus_controller = GetFocusController(view_target->view()); |
+ if (focus_controller) { |
+ mojo::View* focused_view = focus_controller->GetFocusedView(); |
+ if (focused_view) |
+ return ViewTarget::TargetFromView(focused_view); |
+ } |
+ return view_target; |
+} |
+ |
+ViewTarget* ViewTargeter::FindTargetInRootView(ViewTarget* root_view, |
+ const ui::LocatedEvent& event) { |
+ // TODO(erg): This here is important because it resolves |
+ // mouse_pressed_handler() in the aura version. This is what makes sure |
+ // that a view gets both the mouse down and up. |
+ |
+ CaptureController* capture_controller = |
+ GetCaptureController(root_view->view()); |
+ if (capture_controller) { |
+ mojo::View* capture_view = capture_controller->GetCapture(); |
+ if (capture_view) |
+ return ViewTarget::TargetFromView(capture_view); |
+ } |
+ |
+ // TODO(erg): There's a whole bunch of junk about handling touch events |
+ // here. Handle later. |
+ |
+ return nullptr; |
+} |
+ |
+} // namespace window_manager |