default_window_resizer.cc revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd 
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/property_util.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(aura::Window* window,
26                             const gfx::Point& location,
27                             int window_component) {
28  Details details(window, location, window_component);
29  return details.is_resizable ? new DefaultWindowResizer(details) : NULL;
30}
31
32void DefaultWindowResizer::Drag(const gfx::Point& location, int event_flags) {
33  gfx::Rect bounds(CalculateBoundsForDrag(details_, location));
34  if (bounds != details_.window->bounds()) {
35    if (!did_move_or_resize_ && !details_.restore_bounds.IsEmpty())
36      ClearRestoreBounds(details_.window);
37    did_move_or_resize_ = true;
38    details_.window->SetBounds(bounds);
39  }
40}
41
42void DefaultWindowResizer::CompleteDrag(int event_flags) {
43}
44
45void DefaultWindowResizer::RevertDrag() {
46  if (!did_move_or_resize_)
47    return;
48
49  details_.window->SetBounds(details_.initial_bounds_in_parent);
50
51  if (!details_.restore_bounds.IsEmpty())
52    SetRestoreBoundsInScreen(details_.window, details_.restore_bounds);
53}
54
55aura::Window* DefaultWindowResizer::GetTarget() {
56  return details_.window;
57}
58
59DefaultWindowResizer::DefaultWindowResizer(const Details& details)
60    : details_(details),
61      did_move_or_resize_(false) {
62  DCHECK(details_.is_resizable);
63  ash::Shell::GetInstance()->cursor_manager()->LockCursor();
64}
65
66}  // namespace aura
67