src/ash/wm/window_util.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/wm/window_util.h"
   6
   7 #include <vector>
   8
   9 #include "ash/ash_constants.h"
  10 #include "ash/shell.h"
  11 #include "ash/wm/window_properties.h"
  12 #include "ui/aura/client/activation_client.h"
  13 #include "ui/aura/client/aura_constants.h"
  14 #include "ui/aura/root_window.h"
  15 #include "ui/aura/window.h"
  16 #include "ui/gfx/display.h"
  17 #include "ui/gfx/rect.h"
  18 #include "ui/gfx/screen.h"
  19 #include "ui/views/corewm/window_util.h"
  20 #include "ui/views/view.h"
  21 #include "ui/views/widget/widget.h"
  22
  23 namespace ash {
  24 namespace wm {
  25
  26 // TODO(beng): replace many of these functions with the corewm versions.
  27 void ActivateWindow(aura::Window* window) {
  28   views::corewm::ActivateWindow(window);
  29 }
  30
  31 void DeactivateWindow(aura::Window* window) {
  32   views::corewm::DeactivateWindow(window);
  33 }
  34
  35 bool IsActiveWindow(aura::Window* window) {
  36   return views::corewm::IsActiveWindow(window);
  37 }
  38
  39 aura::Window* GetActiveWindow() {
  40   return aura::client::GetActivationClient(Shell::GetPrimaryRootWindow())->
  41       GetActiveWindow();
  42 }
  43
  44 aura::Window* GetActivatableWindow(aura::Window* window) {
  45   return views::corewm::GetActivatableWindow(window);
  46 }
  47
  48 bool CanActivateWindow(aura::Window* window) {
  49   return views::corewm::CanActivateWindow(window);
  50 }
  51
  52 bool IsWindowMinimized(aura::Window* window) {
  53   return window->GetProperty(aura::client::kShowStateKey) ==
  54       ui::SHOW_STATE_MINIMIZED;
  55 }
  56
  57 void CenterWindow(aura::Window* window) {
  58   const gfx::Display display =
  59       Shell::GetScreen()->GetDisplayNearestWindow(window);
  60   gfx::Rect center = display.work_area();
  61   center.ClampToCenteredSize(window->bounds().size());
  62   window->SetBoundsInScreen(center, display);
  63 }
  64
  65 void AdjustBoundsToEnsureMinimumWindowVisibility(const gfx::Rect& visible_area,
  66                                                  gfx::Rect* bounds) {
  67   AdjustBoundsToEnsureWindowVisibility(
  68       visible_area, kMinimumOnScreenArea, kMinimumOnScreenArea, bounds);
  69 }
  70
  71 void AdjustBoundsToEnsureWindowVisibility(const gfx::Rect& visible_area,
  72                                           int min_width,
  73                                           int min_height,
  74                                           gfx::Rect* bounds) {
  75   bounds->set_width(std::min(bounds->width(), visible_area.width()));
  76   bounds->set_height(std::min(bounds->height(), visible_area.height()));
  77
  78   min_width = std::min(min_width, visible_area.width());
  79   min_height = std::min(min_height, visible_area.height());
  80
  81   if (bounds->x() + min_width > visible_area.right()) {
  82     bounds->set_x(visible_area.right() - min_width);
  83   } else if (bounds->right() - min_width < 0) {
  84     bounds->set_x(min_width - bounds->width());
  85   }
  86   if (bounds->y() + min_height > visible_area.bottom()) {
  87     bounds->set_y(visible_area.bottom() - min_height);
  88   } else if (bounds->bottom() - min_height < 0) {
  89     bounds->set_y(min_height - bounds->height());
  90   }
  91   if (bounds->y() < 0)
  92     bounds->set_y(0);
  93 }
  94
  95 bool MoveWindowToEventRoot(aura::Window* window, const ui::Event& event) {
  96   views::View* target = static_cast<views::View*>(event.target());
  97   if (!target)
  98     return false;
  99   aura::Window* target_root =
 100       target->GetWidget()->GetNativeView()->GetRootWindow();
 101   if (!target_root || target_root == window->GetRootWindow())
 102     return false;
 103   aura::Window* window_container =
 104       ash::Shell::GetContainer(target_root, window->parent()->id());
 105   // Move the window to the target launcher.
 106   window_container->AddChild(window);
 107   return true;
 108 }
 109
 110 void ReparentChildWithTransientChildren(aura::Window* window,
 111                                         aura::Window* child) {
 112   window->AddChild(child);
 113   ReparentTransientChildrenOfChild(window, child);
 114 }
 115
 116 void ReparentTransientChildrenOfChild(aura::Window* window,
 117                                       aura::Window* child) {
 118   for (size_t i = 0; i < child->transient_children().size(); ++i)
 119     ReparentChildWithTransientChildren(window, child->transient_children()[i]);
 120 }
 121
 122 }  // namespace wm
 123 }  // namespace ash