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
17 namespace ash {
18
~DefaultWindowResizer()19 DefaultWindowResizer::~DefaultWindowResizer() {
20 ash::Shell::GetInstance()->cursor_manager()->UnlockCursor();
21 }
22
23 // static
24 DefaultWindowResizer*
Create(aura::Window * window,const gfx::Point & location,int window_component,aura::client::WindowMoveSource source)25 DefaultWindowResizer::Create(aura::Window* window,
26 const gfx::Point& location,
27 int window_component,
28 aura::client::WindowMoveSource source) {
29 Details details(window, location, window_component, source);
30 return details.is_resizable ? new DefaultWindowResizer(details) : NULL;
31 }
32
Drag(const gfx::Point & location,int event_flags)33 void DefaultWindowResizer::Drag(const gfx::Point& location, int event_flags) {
34 gfx::Rect bounds(CalculateBoundsForDrag(details_, location));
35 if (bounds != details_.window->bounds()) {
36 if (!did_move_or_resize_ && !details_.restore_bounds.IsEmpty())
37 wm::GetWindowState(details_.window)->ClearRestoreBounds();
38 did_move_or_resize_ = true;
39 details_.window->SetBounds(bounds);
40 }
41 }
42
CompleteDrag(int event_flags)43 void DefaultWindowResizer::CompleteDrag(int event_flags) {
44 }
45
RevertDrag()46 void DefaultWindowResizer::RevertDrag() {
47 if (!did_move_or_resize_)
48 return;
49
50 details_.window->SetBounds(details_.initial_bounds_in_parent);
51
52 if (!details_.restore_bounds.IsEmpty())
53 wm::GetWindowState(details_.window)->SetRestoreBoundsInScreen(
54 details_.restore_bounds);
55 }
56
GetTarget()57 aura::Window* DefaultWindowResizer::GetTarget() {
58 return details_.window;
59 }
60
GetInitialLocation() const61 const gfx::Point& DefaultWindowResizer::GetInitialLocation() const {
62 return details_.initial_location_in_parent;
63 }
64
DefaultWindowResizer(const Details & details)65 DefaultWindowResizer::DefaultWindowResizer(const Details& details)
66 : details_(details),
67 did_move_or_resize_(false) {
68 DCHECK(details_.is_resizable);
69 ash::Shell::GetInstance()->cursor_manager()->LockCursor();
70 }
71
72 } // namespace aura
73