1 files changed, 145 insertions, 0 deletions
diff --git a/chromium/ash/wm/window_util.cc b/chromium/ash/wm/window_util.cc
new file mode 100644
index 00000000000..def4b6d5bad
--- /dev/null
+++ b/chromium/ash/wm/window_util.cc
@@ -0,0 +1,145 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ash/wm/window_util.h"
+
+#include <vector>
+
+#include "ash/ash_constants.h"
+#include "ash/screen_ash.h"
+#include "ash/shell.h"
+#include "ash/wm/window_properties.h"
+#include "ash/wm/window_state.h"
+#include "ui/aura/client/activation_client.h"
+#include "ui/aura/client/aura_constants.h"
+#include "ui/aura/root_window.h"
+#include "ui/aura/window.h"
+#include "ui/gfx/display.h"
+#include "ui/gfx/rect.h"
+#include "ui/gfx/screen.h"
+#include "ui/views/corewm/window_util.h"
+#include "ui/views/view.h"
+#include "ui/views/widget/widget.h"
+
+namespace ash {
+namespace wm {
+
+// TODO(beng): replace many of these functions with the corewm versions.
+void ActivateWindow(aura::Window* window) {
+  views::corewm::ActivateWindow(window);
+}
+
+void DeactivateWindow(aura::Window* window) {
+  views::corewm::DeactivateWindow(window);
+}
+
+bool IsActiveWindow(aura::Window* window) {
+  return views::corewm::IsActiveWindow(window);
+}
+
+aura::Window* GetActiveWindow() {
+  return aura::client::GetActivationClient(Shell::GetPrimaryRootWindow())->
+      GetActiveWindow();
+}
+
+aura::Window* GetActivatableWindow(aura::Window* window) {
+  return views::corewm::GetActivatableWindow(window);
+}
+
+bool CanActivateWindow(aura::Window* window) {
+  return views::corewm::CanActivateWindow(window);
+}
+
+bool IsWindowMinimized(aura::Window* window) {
+  return window->GetProperty(aura::client::kShowStateKey) ==
+      ui::SHOW_STATE_MINIMIZED;
+}
+
+void CenterWindow(aura::Window* window) {
+  wm::WindowState* window_state = wm::GetWindowState(window);
+  if (!window_state->IsNormalShowState())
+    return;
+  const gfx::Display display =
+      Shell::GetScreen()->GetDisplayNearestWindow(window);
+  gfx::Rect center = display.work_area();
+  gfx::Size size = window->bounds().size();
+  if (window_state->IsSnapped()) {
+    if (window_state->HasRestoreBounds())
+      size = window_state->GetRestoreBoundsInScreen().size();
+    center.ClampToCenteredSize(size);
+    window_state->SetRestoreBoundsInScreen(center);
+    window_state->Restore();
+  } else {
+    center = ScreenAsh::ConvertRectFromScreen(window->parent(),
+        center);
+    center.ClampToCenteredSize(size);
+    window->SetBounds(center);
+  }
+}
+
+void AdjustBoundsToEnsureMinimumWindowVisibility(const gfx::Rect& visible_area,
+                                                 gfx::Rect* bounds) {
+  AdjustBoundsToEnsureWindowVisibility(
+      visible_area, kMinimumOnScreenArea, kMinimumOnScreenArea, bounds);
+}
+
+void AdjustBoundsToEnsureWindowVisibility(const gfx::Rect& visible_area,
+                                          int min_width,
+                                          int min_height,
+                                          gfx::Rect* bounds) {
+  bounds->set_width(std::min(bounds->width(), visible_area.width()));
+  bounds->set_height(std::min(bounds->height(), visible_area.height()));
+
+  min_width = std::min(min_width, visible_area.width());
+  min_height = std::min(min_height, visible_area.height());
+
+  if (bounds->x() + min_width > visible_area.right()) {
+    bounds->set_x(visible_area.right() - min_width);
+  } else if (bounds->right() - min_width < 0) {
+    bounds->set_x(min_width - bounds->width());
+  }
+  if (bounds->y() + min_height > visible_area.bottom()) {
+    bounds->set_y(visible_area.bottom() - min_height);
+  } else if (bounds->bottom() - min_height < 0) {
+    bounds->set_y(min_height - bounds->height());
+  }
+  if (bounds->y() < 0)
+    bounds->set_y(0);
+}
+
+bool MoveWindowToEventRoot(aura::Window* window, const ui::Event& event) {
+  views::View* target = static_cast<views::View*>(event.target());
+  if (!target)
+    return false;
+  aura::Window* target_root =
+      target->GetWidget()->GetNativeView()->GetRootWindow();
+  if (!target_root || target_root == window->GetRootWindow())
+    return false;
+  aura::Window* window_container =
+      ash::Shell::GetContainer(target_root, window->parent()->id());
+  // Move the window to the target launcher.
+  window_container->AddChild(window);
+  return true;
+}
+
+void ReparentChildWithTransientChildren(aura::Window* child,
+                                        aura::Window* old_parent,
+                                        aura::Window* new_parent) {
+  if (child->parent() == old_parent)
+    new_parent->AddChild(child);
+  ReparentTransientChildrenOfChild(child, old_parent, new_parent);
+}
+
+void ReparentTransientChildrenOfChild(aura::Window* child,
+                                      aura::Window* old_parent,
+                                      aura::Window* new_parent) {
+  for (size_t i = 0; i < child->transient_children().size(); ++i) {
+    ReparentChildWithTransientChildren(child->transient_children()[i],
+                                       old_parent,
+                                       new_parent);
+  }
+}
+
+}  // namespace wm
+}  // namespace ash