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