src/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/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
  18 namespace ash {
  19 namespace shell {
  20 namespace {
  21
  22 struct 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.
  29 SavedState* saved_state = NULL;
  30
  31 }  // namespace
  32
  33 ToplevelWindow::CreateParams::CreateParams()
  34     : can_resize(false),
  35       can_maximize(false) {
  36 }
  37
  38 // static
  39 views::Widget* ToplevelWindow::CreateToplevelWindow(
  40     const CreateParams& params) {
  41   views::Widget* widget = views::Widget::CreateWindowWithContext(
  42       new ToplevelWindow(params), Shell::GetPrimaryRootWindow());
  43   widget->GetNativeView()->SetName("Examples:ToplevelWindow");
  44   wm::WindowState* window_state = wm::GetWindowState(widget->GetNativeView());
  45   window_state->set_window_position_managed(true);
  46   widget->Show();
  47   return widget;
  48 }
  49
  50 // static
  51 void ToplevelWindow::ClearSavedStateForTest() {
  52   delete saved_state;
  53   saved_state = NULL;
  54 }
  55
  56 ToplevelWindow::ToplevelWindow(const CreateParams& params) : params_(params) {
  57 }
  58
  59 ToplevelWindow::~ToplevelWindow() {
  60 }
  61
  62 void ToplevelWindow::OnPaint(gfx::Canvas* canvas) {
  63   canvas->FillRect(GetLocalBounds(), SK_ColorDKGRAY);
  64 }
  65
  66 base::string16 ToplevelWindow::GetWindowTitle() const {
  67   return ASCIIToUTF16("Examples: Toplevel Window");
  68 }
  69
  70 void ToplevelWindow::SaveWindowPlacement(const gfx::Rect& bounds,
  71                                          ui::WindowShowState show_state) {
  72   if (!saved_state)
  73     saved_state = new SavedState;
  74   saved_state->bounds = bounds;
  75   saved_state->show_state = show_state;
  76 }
  77
  78 bool ToplevelWindow::GetSavedWindowPlacement(
  79     const views::Widget* widget,
  80     gfx::Rect* bounds,
  81     ui::WindowShowState* show_state) const {
  82   bool is_saved_bounds = !!saved_state;
  83   if (saved_state) {
  84     *bounds = saved_state->bounds;
  85     *show_state = saved_state->show_state;
  86   } else {
  87     // Initial default bounds.
  88     bounds->SetRect(10, 150, 300, 300);
  89   }
  90   ash::WindowPositioner::GetBoundsAndShowStateForNewWindow(
  91       ash::Shell::GetScreen(),
  92       NULL,
  93       is_saved_bounds,
  94       *show_state,
  95       bounds,
  96       show_state);
  97   return true;
  98 }
  99
 100 views::View* ToplevelWindow::GetContentsView() {
 101   return this;
 102 }
 103
 104 bool ToplevelWindow::CanResize() const {
 105   return params_.can_resize;
 106 }
 107
 108 bool ToplevelWindow::CanMaximize() const {
 109   return params_.can_maximize;
 110 }
 111
 112 }  // namespace shell
 113 }  // namespace ash