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// Copyright 2013 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 "ui/views/event_utils.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "ui/aura/client/screen_position_client.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/events/event.h"
#include "ui/gfx/point.h"
#include "ui/views/views_delegate.h"
using aura::client::ScreenPositionClient;
namespace views {
bool RepostLocatedEvent(gfx::NativeWindow window,
const ui::LocatedEvent& event) {
#if defined(OS_WIN)
// On Windows, if the |window| parameter is NULL, then we attempt to repost
// the event to the window at the current location, if it is on the current
// thread.
HWND target_window = NULL;
if (!window) {
target_window = ::WindowFromPoint(event.location().ToPOINT());
if (::GetWindowThreadProcessId(target_window, NULL) !=
::GetCurrentThreadId())
return false;
} else {
if (ViewsDelegate::views_delegate &&
!ViewsDelegate::views_delegate->IsWindowInMetro(window))
target_window = window->GetHost()->GetAcceleratedWidget();
}
return RepostLocatedEventWin(target_window, event);
#endif
if (!window)
return false;
aura::Window* root_window = window->GetRootWindow();
gfx::Point root_loc(event.location());
ScreenPositionClient* spc =
aura::client::GetScreenPositionClient(root_window);
if (!spc)
return false;
spc->ConvertPointFromScreen(root_window, &root_loc);
scoped_ptr<ui::LocatedEvent> relocated;
if (event.IsMouseEvent()) {
const ui::MouseEvent& orig = static_cast<const ui::MouseEvent&>(event);
relocated.reset(new ui::MouseEvent(orig));
} else if (event.IsGestureEvent()) {
// TODO(rbyers): Gesture event repost is tricky to get right
// crbug.com/170987.
return false;
} else {
NOTREACHED();
return false;
}
relocated->set_location(root_loc);
relocated->set_root_location(root_loc);
root_window->GetHost()->dispatcher()->RepostEvent(*relocated);
return true;
}
} // namespace views
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