| // Copyright (c) 2012 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 "ash/drag_drop/drag_image_view.h" |
| |
| #include "ash/wm/shadow_types.h" |
| #include "ui/aura/window.h" |
| #include "ui/views/widget/widget.h" |
| |
| namespace ash { |
| namespace internal { |
| |
| namespace { |
| using views::Widget; |
| |
| Widget* CreateDragWidget() { |
| Widget* drag_widget = new Widget; |
| Widget::InitParams params; |
| params.type = Widget::InitParams::TYPE_TOOLTIP; |
| params.keep_on_top = true; |
| params.accept_events = false; |
| params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; |
| params.transparent = true; |
| drag_widget->Init(params); |
| drag_widget->SetOpacity(0xFF); |
| drag_widget->GetNativeWindow()->set_owned_by_parent(false); |
| SetShadowType(drag_widget->GetNativeView(), SHADOW_TYPE_NONE); |
| return drag_widget; |
| } |
| } |
| |
| DragImageView::DragImageView() : views::ImageView() { |
| widget_.reset(CreateDragWidget()); |
| widget_->SetContentsView(this); |
| widget_->SetAlwaysOnTop(true); |
| |
| // We are owned by the DragDropController. |
| set_owned_by_client(); |
| } |
| |
| DragImageView::~DragImageView() { |
| widget_->Hide(); |
| } |
| |
| void DragImageView::SetBoundsInScreen(const gfx::Rect& bounds) { |
| widget_->SetBounds(bounds); |
| } |
| |
| void DragImageView::SetScreenPosition(const gfx::Point& position) { |
| widget_->SetBounds(gfx::Rect(position, GetPreferredSize())); |
| } |
| |
| void DragImageView::SetWidgetVisible(bool visible) { |
| if (visible != widget_->IsVisible()) { |
| if (visible) |
| widget_->Show(); |
| else |
| widget_->Hide(); |
| } |
| } |
| |
| } // namespace internal |
| } // namespace ash |