toplevel_window.cc revision 4e180b6a0b4720a9b8e9e959a882386f690f08ff 
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/shell/toplevel_window.h"
6
7#include "ash/display/display_controller.h"
8#include "ash/screen_ash.h"
9#include "ash/shell.h"
10#include "ash/wm/window_positioner.h"
11#include "ash/wm/window_state.h"
12#include "base/strings/utf_string_conversions.h"
13#include "ui/aura/root_window.h"
14#include "ui/aura/window.h"
15#include "ui/gfx/canvas.h"
16#include "ui/views/widget/widget.h"
17
18namespace ash {
19namespace shell {
20namespace {
21
22struct SavedState {
23  gfx::Rect bounds;
24  ui::WindowShowState show_state;
25};
26
27// The last window state in ash_shell. We don't bother deleting
28// this on shutdown.
29SavedState* saved_state = NULL;
30
31}  // namespace
32
33ToplevelWindow::CreateParams::CreateParams()
34    : can_resize(false),
35      can_maximize(false) {
36}
37
38// static
39void ToplevelWindow::CreateToplevelWindow(const CreateParams& params) {
40  views::Widget* widget = views::Widget::CreateWindowWithContext(
41      new ToplevelWindow(params), Shell::GetPrimaryRootWindow());
42  widget->GetNativeView()->SetName("Examples:ToplevelWindow");
43  wm::WindowState* window_state = wm::GetWindowState(widget->GetNativeView());
44  window_state->set_window_position_managed(true);
45  widget->Show();
46}
47
48ToplevelWindow::ToplevelWindow(const CreateParams& params) : params_(params) {
49}
50
51ToplevelWindow::~ToplevelWindow() {
52}
53
54void ToplevelWindow::OnPaint(gfx::Canvas* canvas) {
55  canvas->FillRect(GetLocalBounds(), SK_ColorDKGRAY);
56}
57
58base::string16 ToplevelWindow::GetWindowTitle() const {
59  return ASCIIToUTF16("Examples: Toplevel Window");
60}
61
62void ToplevelWindow::SaveWindowPlacement(const gfx::Rect& bounds,
63                                         ui::WindowShowState show_state) {
64  if (!saved_state)
65    saved_state = new SavedState;
66  saved_state->bounds = bounds;
67  saved_state->show_state = show_state;
68}
69
70bool ToplevelWindow::GetSavedWindowPlacement(
71    gfx::Rect* bounds,
72    ui::WindowShowState* show_state) const {
73  bool is_saved_bounds = !!saved_state;
74  if (saved_state) {
75    *bounds = saved_state->bounds;
76    *show_state = saved_state->show_state;
77  } else {
78    // Initial default bounds.
79    bounds->SetRect(10, 150, 300, 300);
80  }
81  ash::WindowPositioner::GetBoundsAndShowStateForNewWindow(
82      ash::Shell::GetScreen(),
83      NULL,
84      is_saved_bounds,
85      *show_state,
86      bounds,
87      show_state);
88  return true;
89}
90
91views::View* ToplevelWindow::GetContentsView() {
92  return this;
93}
94
95bool ToplevelWindow::CanResize() const {
96  return params_.can_resize;
97}
98
99bool ToplevelWindow::CanMaximize() const {
100  return params_.can_maximize;
101}
102
103}  // namespace shell
104}  // namespace ash
105