ash/shell/toplevel_window.cc

   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/shell.h"
   8 #include "ash/wm/window_positioner.h"
   9 #include "ash/wm/window_state.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "ui/aura/window.h"
  12 #include "ui/aura/window_event_dispatcher.h"
  13 #include "ui/gfx/canvas.h"
  14 #include "ui/views/widget/widget.h"
  15
  16 namespace ash {
  17 namespace shell {
  18 namespace {
  19
  20 struct SavedState {
  21   gfx::Rect bounds;
  22   ui::WindowShowState show_state;
  23 };
  24
  25 // The last window state in ash_shell. We don't bother deleting
  26 // this on shutdown.
  27 SavedState* saved_state = NULL;
  28
  29 }  // namespace
  30
  31 ToplevelWindow::CreateParams::CreateParams()
  32     : can_resize(false),
  33       can_maximize(false) {
  34 }
  35
  36 // static
  37 views::Widget* ToplevelWindow::CreateToplevelWindow(
  38     const CreateParams& params) {
  39   views::Widget* widget = views::Widget::CreateWindowWithContext(
  40       new ToplevelWindow(params), Shell::GetPrimaryRootWindow());
  41   widget->GetNativeView()->SetName("Examples:ToplevelWindow");
  42   wm::WindowState* window_state = wm::GetWindowState(widget->GetNativeView());
  43   window_state->set_window_position_managed(true);
  44   widget->Show();
  45   return widget;
  46 }
  47
  48 // static
  49 void ToplevelWindow::ClearSavedStateForTest() {
  50   delete saved_state;
  51   saved_state = NULL;
  52 }
  53
  54 ToplevelWindow::ToplevelWindow(const CreateParams& params) : params_(params) {
  55 }
  56
  57 ToplevelWindow::~ToplevelWindow() {
  58 }
  59
  60 void ToplevelWindow::OnPaint(gfx::Canvas* canvas) {
  61   canvas->FillRect(GetLocalBounds(), SK_ColorDKGRAY);
  62 }
  63
  64 base::string16 ToplevelWindow::GetWindowTitle() const {
  65   return base::ASCIIToUTF16("Examples: Toplevel Window");
  66 }
  67
  68 void ToplevelWindow::SaveWindowPlacement(const gfx::Rect& bounds,
  69                                          ui::WindowShowState show_state) {
  70   if (!saved_state)
  71     saved_state = new SavedState;
  72   saved_state->bounds = bounds;
  73   saved_state->show_state = show_state;
  74 }
  75
  76 bool ToplevelWindow::GetSavedWindowPlacement(
  77     const views::Widget* widget,
  78     gfx::Rect* bounds,
  79     ui::WindowShowState* show_state) const {
  80   bool is_saved_bounds = !!saved_state;
  81   if (saved_state) {
  82     *bounds = saved_state->bounds;
  83     *show_state = saved_state->show_state;
  84   } else {
  85     // Initial default bounds.
  86     bounds->SetRect(10, 150, 300, 300);
  87   }
  88   ash::WindowPositioner::GetBoundsAndShowStateForNewWindow(
  89       ash::Shell::GetScreen(),
  90       NULL,
  91       is_saved_bounds,
  92       *show_state,
  93       bounds,
  94       show_state);
  95   return true;
  96 }
  97
  98 views::View* ToplevelWindow::GetContentsView() {
  99   return this;
 100 }
 101
 102 bool ToplevelWindow::CanResize() const {
 103   return params_.can_resize;
 104 }
 105
 106 bool ToplevelWindow::CanMaximize() const {
 107   return params_.can_maximize;
 108 }
 109
 110 bool ToplevelWindow::CanMinimize() const {
 111   return params_.can_maximize;
 112 }
 113
 114 }  // namespace shell
 115 }  // namespace ash