default_window_resizer.cc revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7 
1// Copyright (c) 2012 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 "ash/wm/default_window_resizer.h"
6
7#include "ash/shell.h"
8#include "ash/wm/window_state.h"
9#include "ui/aura/client/aura_constants.h"
10#include "ui/aura/env.h"
11#include "ui/aura/window.h"
12#include "ui/aura/window_delegate.h"
13#include "ui/base/hit_test.h"
14#include "ui/base/ui_base_types.h"
15#include "ui/gfx/screen.h"
16
17namespace ash {
18
19DefaultWindowResizer::~DefaultWindowResizer() {
20  ash::Shell::GetInstance()->cursor_manager()->UnlockCursor();
21}
22
23// static
24DefaultWindowResizer*
25DefaultWindowResizer::Create(wm::WindowState* window_state) {
26  return new DefaultWindowResizer(window_state);
27}
28
29void DefaultWindowResizer::Drag(const gfx::Point& location, int event_flags) {
30  gfx::Rect bounds(CalculateBoundsForDrag(location));
31  if (bounds != GetTarget()->bounds()) {
32    if (!did_move_or_resize_ && !details().restore_bounds.IsEmpty())
33      window_state_->ClearRestoreBounds();
34    did_move_or_resize_ = true;
35    GetTarget()->SetBounds(bounds);
36  }
37}
38
39void DefaultWindowResizer::CompleteDrag() {
40}
41
42void DefaultWindowResizer::RevertDrag() {
43  if (!did_move_or_resize_)
44    return;
45
46  GetTarget()->SetBounds(details().initial_bounds_in_parent);
47
48  if (!details().restore_bounds.IsEmpty())
49    window_state_->SetRestoreBoundsInScreen(details().restore_bounds);
50}
51
52DefaultWindowResizer::DefaultWindowResizer(wm::WindowState* window_state)
53    : WindowResizer(window_state),
54      did_move_or_resize_(false) {
55  DCHECK(details().is_resizable);
56  ash::Shell::GetInstance()->cursor_manager()->LockCursor();
57}
58
59}  // namespace aura
60