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ui/views/widget/native_widget_aura.cc

Index: ui/views/widget/native_widget_aura.cc
diff --git a/ui/views/widget/native_widget_aura.cc b/ui/views/widget/native_widget_aura.cc
deleted file mode 100644
index a4f2807ac3dcfbc4c81015e7b703a7271b5ff26b..0000000000000000000000000000000000000000
--- a/ui/views/widget/native_widget_aura.cc
+++ /dev/null
@@ -1,1137 +0,0 @@
-// 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 "ui/views/widget/native_widget_aura.h"
-
-#include "base/bind.h"
-#include "base/strings/string_util.h"
-#include "third_party/skia/include/core/SkRegion.h"
-#include "ui/aura/client/aura_constants.h"
-#include "ui/aura/client/cursor_client.h"
-#include "ui/aura/client/focus_client.h"
-#include "ui/aura/client/screen_position_client.h"
-#include "ui/aura/client/window_tree_client.h"
-#include "ui/aura/env.h"
-#include "ui/aura/window.h"
-#include "ui/aura/window_event_dispatcher.h"
-#include "ui/aura/window_observer.h"
-#include "ui/base/dragdrop/os_exchange_data.h"
-#include "ui/base/ui_base_switches_util.h"
-#include "ui/base/ui_base_types.h"
-#include "ui/compositor/layer.h"
-#include "ui/events/event.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/font_list.h"
-#include "ui/gfx/screen.h"
-#include "ui/native_theme/native_theme_aura.h"
-#include "ui/views/drag_utils.h"
-#include "ui/views/ime/input_method_bridge.h"
-#include "ui/views/ime/null_input_method.h"
-#include "ui/views/views_delegate.h"
-#include "ui/views/widget/drop_helper.h"
-#include "ui/views/widget/native_widget_delegate.h"
-#include "ui/views/widget/root_view.h"
-#include "ui/views/widget/tooltip_manager_aura.h"
-#include "ui/views/widget/widget_aura_utils.h"
-#include "ui/views/widget/widget_delegate.h"
-#include "ui/views/widget/window_reorderer.h"
-#include "ui/wm/core/shadow_types.h"
-#include "ui/wm/core/window_util.h"
-#include "ui/wm/public/activation_client.h"
-#include "ui/wm/public/drag_drop_client.h"
-#include "ui/wm/public/window_move_client.h"
-#include "ui/wm/public/window_types.h"
-
-#if defined(OS_WIN)
-#include "base/win/scoped_gdi_object.h"
-#include "base/win/win_util.h"
-#include "ui/base/l10n/l10n_util_win.h"
-#endif
-
-namespace views {
-
-namespace {
-
-void SetRestoreBounds(aura::Window* window, const gfx::Rect& bounds) {
-  window->SetProperty(aura::client::kRestoreBoundsKey, new gfx::Rect(bounds));
-}
-
-}  // namespace
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetAura, public:
-
-NativeWidgetAura::NativeWidgetAura(internal::NativeWidgetDelegate* delegate)
-    : delegate_(delegate),
-      window_(new aura::Window(this)),
-      ownership_(Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET),
-      destroying_(false),
-      cursor_(gfx::kNullCursor),
-      saved_window_state_(ui::SHOW_STATE_DEFAULT),
-      close_widget_factory_(this) {
-  aura::client::SetFocusChangeObserver(window_, this);
-  aura::client::SetActivationChangeObserver(window_, this);
-}
-
-// static
-void NativeWidgetAura::RegisterNativeWidgetForWindow(
-      internal::NativeWidgetPrivate* native_widget,
-      aura::Window* window) {
-  window->set_user_data(native_widget);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetAura, internal::NativeWidgetPrivate implementation:
-
-void NativeWidgetAura::InitNativeWidget(const Widget::InitParams& params) {
-  // Aura needs to know which desktop (Ash or regular) will manage this widget.
-  // See Widget::InitParams::context for details.
-  DCHECK(params.parent || params.context);
-
-  ownership_ = params.ownership;
-
-  RegisterNativeWidgetForWindow(this, window_);
-  window_->SetType(GetAuraWindowTypeForWidgetType(params.type));
-  window_->SetProperty(aura::client::kShowStateKey, params.show_state);
-  if (params.type == Widget::InitParams::TYPE_BUBBLE)
-    aura::client::SetHideOnDeactivate(window_, true);
-  window_->SetTransparent(
-      params.opacity == Widget::InitParams::TRANSLUCENT_WINDOW);
-  window_->Init(params.layer_type);
-  if (params.shadow_type == Widget::InitParams::SHADOW_TYPE_NONE)
-    SetShadowType(window_, wm::SHADOW_TYPE_NONE);
-  else if (params.shadow_type == Widget::InitParams::SHADOW_TYPE_DROP)
-    SetShadowType(window_, wm::SHADOW_TYPE_RECTANGULAR);
-  if (params.type == Widget::InitParams::TYPE_CONTROL)
-    window_->Show();
-
-  delegate_->OnNativeWidgetCreated(false);
-
-  gfx::Rect window_bounds = params.bounds;
-  gfx::NativeView parent = params.parent;
-  gfx::NativeView context = params.context;
-  if (!params.child) {
-    // Set up the transient child before the window is added. This way the
-    // LayoutManager knows the window has a transient parent.
-    if (parent && parent->type() != ui::wm::WINDOW_TYPE_UNKNOWN) {
-      wm::AddTransientChild(parent, window_);
-      if (!context)
-        context = parent;
-      parent = NULL;
-    }
-    // SetAlwaysOnTop before SetParent so that always-on-top container is used.
-    SetAlwaysOnTop(params.keep_on_top);
-    // Make sure we have a real |window_bounds|.
-    if (parent && window_bounds == gfx::Rect()) {
-      // If a parent is specified but no bounds are given,
-      // use the origin of the parent's display so that the widget
-      // will be added to the same display as the parent.
-      gfx::Rect bounds = gfx::Screen::GetScreenFor(parent)->
-          GetDisplayNearestWindow(parent).bounds();
-      window_bounds.set_origin(bounds.origin());
-    }
-  }
-
-  // Set properties before adding to the parent so that its layout manager sees
-  // the correct values.
-  OnSizeConstraintsChanged();
-
-  if (parent) {
-    parent->AddChild(window_);
-  } else {
-    aura::client::ParentWindowWithContext(
-        window_, context->GetRootWindow(), window_bounds);
-  }
-
-  // Start observing property changes.
-  window_->AddObserver(this);
-
-  // Wait to set the bounds until we have a parent. That way we can know our
-  // true state/bounds (the LayoutManager may enforce a particular
-  // state/bounds).
-  if (IsMaximized())
-    SetRestoreBounds(window_, window_bounds);
-  else
-    SetBounds(window_bounds);
-  window_->set_ignore_events(!params.accept_events);
-  DCHECK(GetWidget()->GetRootView());
-  if (params.type != Widget::InitParams::TYPE_TOOLTIP)
-    tooltip_manager_.reset(new views::TooltipManagerAura(GetWidget()));
-
-  drop_helper_.reset(new DropHelper(GetWidget()->GetRootView()));
-  if (params.type != Widget::InitParams::TYPE_TOOLTIP &&
-      params.type != Widget::InitParams::TYPE_POPUP) {
-    aura::client::SetDragDropDelegate(window_, this);
-  }
-
-  aura::client::SetActivationDelegate(window_, this);
-
-  window_reorderer_.reset(new WindowReorderer(window_,
-      GetWidget()->GetRootView()));
-}
-
-NonClientFrameView* NativeWidgetAura::CreateNonClientFrameView() {
-  return NULL;
-}
-
-bool NativeWidgetAura::ShouldUseNativeFrame() const {
-  // There is only one frame type for aura.
-  return false;
-}
-
-bool NativeWidgetAura::ShouldWindowContentsBeTransparent() const {
-  return false;
-}
-
-void NativeWidgetAura::FrameTypeChanged() {
-  // This is called when the Theme has changed; forward the event to the root
-  // widget.
-  GetWidget()->ThemeChanged();
-  GetWidget()->GetRootView()->SchedulePaint();
-}
-
-Widget* NativeWidgetAura::GetWidget() {
-  return delegate_->AsWidget();
-}
-
-const Widget* NativeWidgetAura::GetWidget() const {
-  return delegate_->AsWidget();
-}
-
-gfx::NativeView NativeWidgetAura::GetNativeView() const {
-  return window_;
-}
-
-gfx::NativeWindow NativeWidgetAura::GetNativeWindow() const {
-  return window_;
-}
-
-Widget* NativeWidgetAura::GetTopLevelWidget() {
-  NativeWidgetPrivate* native_widget = GetTopLevelNativeWidget(GetNativeView());
-  return native_widget ? native_widget->GetWidget() : NULL;
-}
-
-const ui::Compositor* NativeWidgetAura::GetCompositor() const {
-  return window_ ? window_->layer()->GetCompositor() : NULL;
-}
-
-ui::Compositor* NativeWidgetAura::GetCompositor() {
-  return window_ ? window_->layer()->GetCompositor() : NULL;
-}
-
-ui::Layer* NativeWidgetAura::GetLayer() {
-  return window_ ? window_->layer() : NULL;
-}
-
-void NativeWidgetAura::ReorderNativeViews() {
-  window_reorderer_->ReorderChildWindows();
-}
-
-void NativeWidgetAura::ViewRemoved(View* view) {
-  DCHECK(drop_helper_.get() != NULL);
-  drop_helper_->ResetTargetViewIfEquals(view);
-}
-
-void NativeWidgetAura::SetNativeWindowProperty(const char* name, void* value) {
-  if (window_)
-    window_->SetNativeWindowProperty(name, value);
-}
-
-void* NativeWidgetAura::GetNativeWindowProperty(const char* name) const {
-  return window_ ? window_->GetNativeWindowProperty(name) : NULL;
-}
-
-TooltipManager* NativeWidgetAura::GetTooltipManager() const {
-  return tooltip_manager_.get();
-}
-
-void NativeWidgetAura::SetCapture() {
-  if (window_)
-    window_->SetCapture();
-}
-
-void NativeWidgetAura::ReleaseCapture() {
-  if (window_)
-    window_->ReleaseCapture();
-}
-
-bool NativeWidgetAura::HasCapture() const {
-  return window_ && window_->HasCapture();
-}
-
-InputMethod* NativeWidgetAura::CreateInputMethod() {
-  if (!window_)
-    return NULL;
-
-  if (switches::IsTextInputFocusManagerEnabled())
-    return new NullInputMethod();
-
-  aura::Window* root_window = window_->GetRootWindow();
-  ui::InputMethod* host =
-      root_window->GetProperty(aura::client::kRootWindowInputMethodKey);
-  return new InputMethodBridge(this, host, true);
-}
-
-internal::InputMethodDelegate* NativeWidgetAura::GetInputMethodDelegate() {
-  return this;
-}
-
-ui::InputMethod* NativeWidgetAura::GetHostInputMethod() {
-  aura::Window* root_window = window_->GetRootWindow();
-  return root_window->GetProperty(aura::client::kRootWindowInputMethodKey);
-}
-
-void NativeWidgetAura::CenterWindow(const gfx::Size& size) {
-  if (!window_)
-    return;
-
-  gfx::Rect parent_bounds(window_->parent()->GetBoundsInRootWindow());
-  // When centering window, we take the intersection of the host and
-  // the parent. We assume the root window represents the visible
-  // rect of a single screen.
-  gfx::Rect work_area = gfx::Screen::GetScreenFor(window_)->
-      GetDisplayNearestWindow(window_).work_area();
-
-  aura::client::ScreenPositionClient* screen_position_client =
-      aura::client::GetScreenPositionClient(window_->GetRootWindow());
-  if (screen_position_client) {
-    gfx::Point origin = work_area.origin();
-    screen_position_client->ConvertPointFromScreen(window_->GetRootWindow(),
-                                                   &origin);
-    work_area.set_origin(origin);
-  }
-
-  parent_bounds.Intersect(work_area);
-
-  // If |window_|'s transient parent's bounds are big enough to fit it, then we
-  // center it with respect to the transient parent.
-  if (wm::GetTransientParent(window_)) {
-    gfx::Rect transient_parent_rect =
-        wm::GetTransientParent(window_)->GetBoundsInRootWindow();
-    transient_parent_rect.Intersect(work_area);
-    if (transient_parent_rect.height() >= size.height() &&
-        transient_parent_rect.width() >= size.width())
-      parent_bounds = transient_parent_rect;
-  }
-
-  gfx::Rect window_bounds(
-      parent_bounds.x() + (parent_bounds.width() - size.width()) / 2,
-      parent_bounds.y() + (parent_bounds.height() - size.height()) / 2,
-      size.width(),
-      size.height());
-  // Don't size the window bigger than the parent, otherwise the user may not be
-  // able to close or move it.
-  window_bounds.AdjustToFit(parent_bounds);
-
-  // Convert the bounds back relative to the parent.
-  gfx::Point origin = window_bounds.origin();
-  aura::Window::ConvertPointToTarget(window_->GetRootWindow(),
-      window_->parent(), &origin);
-  window_bounds.set_origin(origin);
-  window_->SetBounds(window_bounds);
-}
-
-void NativeWidgetAura::GetWindowPlacement(
-    gfx::Rect* bounds,
-    ui::WindowShowState* show_state) const {
-  // The interface specifies returning restored bounds, not current bounds.
-  *bounds = GetRestoredBounds();
-  *show_state = window_ ? window_->GetProperty(aura::client::kShowStateKey) :
-      ui::SHOW_STATE_DEFAULT;
-}
-
-bool NativeWidgetAura::SetWindowTitle(const base::string16& title) {
-  if (!window_)
-    return false;
-  if (window_->title() == title)
-    return false;
-  window_->SetTitle(title);
-  return true;
-}
-
-void NativeWidgetAura::SetWindowIcons(const gfx::ImageSkia& window_icon,
-                                      const gfx::ImageSkia& app_icon) {
-  // Aura doesn't have window icons.
-}
-
-void NativeWidgetAura::InitModalType(ui::ModalType modal_type) {
-  if (modal_type != ui::MODAL_TYPE_NONE)
-    window_->SetProperty(aura::client::kModalKey, modal_type);
-}
-
-gfx::Rect NativeWidgetAura::GetWindowBoundsInScreen() const {
-  return window_ ? window_->GetBoundsInScreen() : gfx::Rect();
-}
-
-gfx::Rect NativeWidgetAura::GetClientAreaBoundsInScreen() const {
-  // View-to-screen coordinate system transformations depend on this returning
-  // the full window bounds, for example View::ConvertPointToScreen().
-  return window_ ? window_->GetBoundsInScreen() : gfx::Rect();
-}
-
-gfx::Rect NativeWidgetAura::GetRestoredBounds() const {
-  if (!window_)
-    return gfx::Rect();
-
-  // Restored bounds should only be relevant if the window is minimized or
-  // maximized. However, in some places the code expects GetRestoredBounds()
-  // to return the current window bounds if the window is not in either state.
-  if (IsMinimized() || IsMaximized() || IsFullscreen()) {
-    // Restore bounds are in screen coordinates, no need to convert.
-    gfx::Rect* restore_bounds =
-        window_->GetProperty(aura::client::kRestoreBoundsKey);
-    if (restore_bounds)
-      return *restore_bounds;
-  }
-  return window_->GetBoundsInScreen();
-}
-
-void NativeWidgetAura::SetBounds(const gfx::Rect& bounds) {
-  if (!window_)
-    return;
-
-  aura::Window* root = window_->GetRootWindow();
-  if (root) {
-    aura::client::ScreenPositionClient* screen_position_client =
-        aura::client::GetScreenPositionClient(root);
-    if (screen_position_client) {
-      gfx::Display dst_display =
-          gfx::Screen::GetScreenFor(window_)->GetDisplayMatching(bounds);
-      screen_position_client->SetBounds(window_, bounds, dst_display);
-      return;
-    }
-  }
-  window_->SetBounds(bounds);
-}
-
-void NativeWidgetAura::SetSize(const gfx::Size& size) {
-  if (window_)
-    window_->SetBounds(gfx::Rect(window_->bounds().origin(), size));
-}
-
-void NativeWidgetAura::StackAbove(gfx::NativeView native_view) {
-  if (window_ && window_->parent() &&
-      window_->parent() == native_view->parent())
-    window_->parent()->StackChildAbove(window_, native_view);
-}
-
-void NativeWidgetAura::StackAtTop() {
-  if (window_)
-    window_->parent()->StackChildAtTop(window_);
-}
-
-void NativeWidgetAura::StackBelow(gfx::NativeView native_view) {
-  if (window_ && window_->parent() &&
-      window_->parent() == native_view->parent())
-    window_->parent()->StackChildBelow(window_, native_view);
-}
-
-void NativeWidgetAura::SetShape(gfx::NativeRegion region) {
-  if (window_)
-    window_->layer()->SetAlphaShape(make_scoped_ptr(region));
-  else
-    delete region;
-}
-
-void NativeWidgetAura::Close() {
-  // |window_| may already be deleted by parent window. This can happen
-  // when this widget is child widget or has transient parent
-  // and ownership is WIDGET_OWNS_NATIVE_WIDGET.
-  DCHECK(window_ ||
-         ownership_ == Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET);
-  if (window_) {
-    window_->SuppressPaint();
-    Hide();
-    window_->SetProperty(aura::client::kModalKey, ui::MODAL_TYPE_NONE);
-  }
-
-  if (!close_widget_factory_.HasWeakPtrs()) {
-    base::MessageLoop::current()->PostTask(
-        FROM_HERE,
-        base::Bind(&NativeWidgetAura::CloseNow,
-                   close_widget_factory_.GetWeakPtr()));
-  }
-}
-
-void NativeWidgetAura::CloseNow() {
-  delete window_;
-}
-
-void NativeWidgetAura::Show() {
-  ShowWithWindowState(ui::SHOW_STATE_NORMAL);
-}
-
-void NativeWidgetAura::Hide() {
-  if (window_)
-    window_->Hide();
-}
-
-void NativeWidgetAura::ShowMaximizedWithBounds(
-    const gfx::Rect& restored_bounds) {
-  SetRestoreBounds(window_, restored_bounds);
-  ShowWithWindowState(ui::SHOW_STATE_MAXIMIZED);
-}
-
-void NativeWidgetAura::ShowWithWindowState(ui::WindowShowState state) {
-  if (!window_)
-    return;
-
-  if (state == ui::SHOW_STATE_MAXIMIZED || state == ui::SHOW_STATE_FULLSCREEN)
-    window_->SetProperty(aura::client::kShowStateKey, state);
-  window_->Show();
-  if (delegate_->CanActivate()) {
-    if (state != ui::SHOW_STATE_INACTIVE)
-      Activate();
-    // SetInitialFocus() should be always be called, even for
-    // SHOW_STATE_INACTIVE. If the window has to stay inactive, the method will
-    // do the right thing.
-    SetInitialFocus(state);
-  }
-}
-
-bool NativeWidgetAura::IsVisible() const {
-  return window_ && window_->IsVisible();
-}
-
-void NativeWidgetAura::Activate() {
-  if (!window_)
-    return;
-
-  // We don't necessarily have a root window yet. This can happen with
-  // constrained windows.
-  if (window_->GetRootWindow()) {
-    aura::client::GetActivationClient(window_->GetRootWindow())->ActivateWindow(
-        window_);
-  }
-  if (window_->GetProperty(aura::client::kDrawAttentionKey))
-    window_->SetProperty(aura::client::kDrawAttentionKey, false);
-}
-
-void NativeWidgetAura::Deactivate() {
-  if (!window_)
-    return;
-  aura::client::GetActivationClient(window_->GetRootWindow())->DeactivateWindow(
-      window_);
-}
-
-bool NativeWidgetAura::IsActive() const {
-  return window_ && wm::IsActiveWindow(window_);
-}
-
-void NativeWidgetAura::SetAlwaysOnTop(bool on_top) {
-  if (window_)
-    window_->SetProperty(aura::client::kAlwaysOnTopKey, on_top);
-}
-
-bool NativeWidgetAura::IsAlwaysOnTop() const {
-  return window_ && window_->GetProperty(aura::client::kAlwaysOnTopKey);
-}
-
-void NativeWidgetAura::SetVisibleOnAllWorkspaces(bool always_visible) {
-  // Not implemented on chromeos or for child widgets.
-}
-
-void NativeWidgetAura::Maximize() {
-  if (window_)
-    window_->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
-}
-
-void NativeWidgetAura::Minimize() {
-  if (window_)
-    window_->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MINIMIZED);
-}
-
-bool NativeWidgetAura::IsMaximized() const {
-  return window_ && window_->GetProperty(aura::client::kShowStateKey) ==
-      ui::SHOW_STATE_MAXIMIZED;
-}
-
-bool NativeWidgetAura::IsMinimized() const {
-  return window_ && window_->GetProperty(aura::client::kShowStateKey) ==
-      ui::SHOW_STATE_MINIMIZED;
-}
-
-void NativeWidgetAura::Restore() {
-  if (window_)
-    window_->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
-}
-
-void NativeWidgetAura::SetFullscreen(bool fullscreen) {
-  if (!window_ || IsFullscreen() == fullscreen)
-    return;  // Nothing to do.
-
-  // Save window state before entering full screen so that it could restored
-  // when exiting full screen.
-  if (fullscreen)
-    saved_window_state_ = window_->GetProperty(aura::client::kShowStateKey);
-
-  window_->SetProperty(
-      aura::client::kShowStateKey,
-      fullscreen ? ui::SHOW_STATE_FULLSCREEN : saved_window_state_);
-}
-
-bool NativeWidgetAura::IsFullscreen() const {
-  return window_ && window_->GetProperty(aura::client::kShowStateKey) ==
-      ui::SHOW_STATE_FULLSCREEN;
-}
-
-void NativeWidgetAura::SetOpacity(unsigned char opacity) {
-  if (window_)
-    window_->layer()->SetOpacity(opacity / 255.0);
-}
-
-void NativeWidgetAura::SetUseDragFrame(bool use_drag_frame) {
-  NOTIMPLEMENTED();
-}
-
-void NativeWidgetAura::FlashFrame(bool flash) {
-  if (window_)
-    window_->SetProperty(aura::client::kDrawAttentionKey, flash);
-}
-
-void NativeWidgetAura::RunShellDrag(View* view,
-                                    const ui::OSExchangeData& data,
-                                    const gfx::Point& location,
-                                    int operation,
-                                    ui::DragDropTypes::DragEventSource source) {
-  if (window_)
-    views::RunShellDrag(window_, data, location, operation, source);
-}
-
-void NativeWidgetAura::SchedulePaintInRect(const gfx::Rect& rect) {
-  if (window_)
-    window_->SchedulePaintInRect(rect);
-}
-
-void NativeWidgetAura::SetCursor(gfx::NativeCursor cursor) {
-  cursor_ = cursor;
-  aura::client::CursorClient* cursor_client =
-      aura::client::GetCursorClient(window_->GetRootWindow());
-  if (cursor_client)
-    cursor_client->SetCursor(cursor);
-}
-
-bool NativeWidgetAura::IsMouseEventsEnabled() const {
-  if (!window_)
-    return false;
-  aura::client::CursorClient* cursor_client =
-      aura::client::GetCursorClient(window_->GetRootWindow());
-  return cursor_client ? cursor_client->IsMouseEventsEnabled() : true;
-}
-
-void NativeWidgetAura::ClearNativeFocus() {
-  aura::client::FocusClient* client = aura::client::GetFocusClient(window_);
-  if (window_ && client && window_->Contains(client->GetFocusedWindow()))
-    client->ResetFocusWithinActiveWindow(window_);
-}
-
-gfx::Rect NativeWidgetAura::GetWorkAreaBoundsInScreen() const {
-  if (!window_)
-    return gfx::Rect();
-  return gfx::Screen::GetScreenFor(window_)->
-      GetDisplayNearestWindow(window_).work_area();
-}
-
-Widget::MoveLoopResult NativeWidgetAura::RunMoveLoop(
-    const gfx::Vector2d& drag_offset,
-    Widget::MoveLoopSource source,
-    Widget::MoveLoopEscapeBehavior escape_behavior) {
-  // |escape_behavior| is only needed on windows when running the native message
-  // loop.
-  if (!window_ || !window_->GetRootWindow())
-    return Widget::MOVE_LOOP_CANCELED;
-  aura::client::WindowMoveClient* move_client =
-      aura::client::GetWindowMoveClient(window_->GetRootWindow());
-  if (!move_client)
-    return Widget::MOVE_LOOP_CANCELED;
-
-  SetCapture();
-  aura::client::WindowMoveSource window_move_source =
-      source == Widget::MOVE_LOOP_SOURCE_MOUSE ?
-      aura::client::WINDOW_MOVE_SOURCE_MOUSE :
-      aura::client::WINDOW_MOVE_SOURCE_TOUCH;
-  if (move_client->RunMoveLoop(window_, drag_offset, window_move_source) ==
-          aura::client::MOVE_SUCCESSFUL) {
-    return Widget::MOVE_LOOP_SUCCESSFUL;
-  }
-  return Widget::MOVE_LOOP_CANCELED;
-}
-
-void NativeWidgetAura::EndMoveLoop() {
-  if (!window_ || !window_->GetRootWindow())
-    return;
-  aura::client::WindowMoveClient* move_client =
-      aura::client::GetWindowMoveClient(window_->GetRootWindow());
-  if (move_client)
-    move_client->EndMoveLoop();
-}
-
-void NativeWidgetAura::SetVisibilityChangedAnimationsEnabled(bool value) {
-  if (window_)
-    window_->SetProperty(aura::client::kAnimationsDisabledKey, !value);
-}
-
-ui::NativeTheme* NativeWidgetAura::GetNativeTheme() const {
-  return ui::NativeThemeAura::instance();
-}
-
-void NativeWidgetAura::OnRootViewLayout() {
-}
-
-bool NativeWidgetAura::IsTranslucentWindowOpacitySupported() const {
-  return true;
-}
-
-void NativeWidgetAura::OnSizeConstraintsChanged() {
-  window_->SetProperty(aura::client::kCanMaximizeKey,
-                       GetWidget()->widget_delegate()->CanMaximize());
-  window_->SetProperty(aura::client::kCanMinimizeKey,
-                       GetWidget()->widget_delegate()->CanMinimize());
-  window_->SetProperty(aura::client::kCanResizeKey,
-                       GetWidget()->widget_delegate()->CanResize());
-}
-
-void NativeWidgetAura::RepostNativeEvent(gfx::NativeEvent native_event) {
-  OnEvent(native_event);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetAura, views::InputMethodDelegate implementation:
-
-void NativeWidgetAura::DispatchKeyEventPostIME(const ui::KeyEvent& key) {
-  FocusManager* focus_manager = GetWidget()->GetFocusManager();
-  delegate_->OnKeyEvent(const_cast<ui::KeyEvent*>(&key));
-  if (key.handled() || !focus_manager)
-    return;
-  focus_manager->OnKeyEvent(key);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetAura, aura::WindowDelegate implementation:
-
-gfx::Size NativeWidgetAura::GetMinimumSize() const {
-  return delegate_->GetMinimumSize();
-}
-
-gfx::Size NativeWidgetAura::GetMaximumSize() const {
-  // If a window have a maximum size, the window should not be
-  // maximizable.
-  DCHECK(delegate_->GetMaximumSize().IsEmpty() ||
-         !window_->GetProperty(aura::client::kCanMaximizeKey));
-  return delegate_->GetMaximumSize();
-}
-
-void NativeWidgetAura::OnBoundsChanged(const gfx::Rect& old_bounds,
-                                       const gfx::Rect& new_bounds) {
-  // Assume that if the old bounds was completely empty a move happened. This
-  // handles the case of a maximize animation acquiring the layer (acquiring a
-  // layer results in clearing the bounds).
-  if (old_bounds.origin() != new_bounds.origin() ||
-      (old_bounds == gfx::Rect(0, 0, 0, 0) && !new_bounds.IsEmpty())) {
-    delegate_->OnNativeWidgetMove();
-  }
-  if (old_bounds.size() != new_bounds.size())
-    delegate_->OnNativeWidgetSizeChanged(new_bounds.size());
-}
-
-gfx::NativeCursor NativeWidgetAura::GetCursor(const gfx::Point& point) {
-  return cursor_;
-}
-
-int NativeWidgetAura::GetNonClientComponent(const gfx::Point& point) const {
-  return delegate_->GetNonClientComponent(point);
-}
-
-bool NativeWidgetAura::ShouldDescendIntoChildForEventHandling(
-      aura::Window* child,
-      const gfx::Point& location) {
-  views::WidgetDelegate* widget_delegate = GetWidget()->widget_delegate();
-  if (widget_delegate &&
-      !widget_delegate->ShouldDescendIntoChildForEventHandling(child, location))
-    return false;
-
-  // Don't descend into |child| if there is a view with a Layer that contains
-  // the point and is stacked above |child|s layer.
-  typedef std::vector<ui::Layer*> Layers;
-  const Layers& root_layers(delegate_->GetRootLayers());
-  if (root_layers.empty())
-    return true;
-
-  Layers::const_iterator child_layer_iter(
-      std::find(window_->layer()->children().begin(),
-                window_->layer()->children().end(), child->layer()));
-  if (child_layer_iter == window_->layer()->children().end())
-    return true;
-
-  for (std::vector<ui::Layer*>::const_reverse_iterator i = root_layers.rbegin();
-       i != root_layers.rend(); ++i) {
-    ui::Layer* layer = *i;
-    if (layer->visible() && layer->bounds().Contains(location)) {
-      Layers::const_iterator root_layer_iter(
-          std::find(window_->layer()->children().begin(),
-                    window_->layer()->children().end(), layer));
-      if (root_layer_iter > child_layer_iter)
-        return false;
-    }
-  }
-  return true;
-}
-
-bool NativeWidgetAura::CanFocus() {
-  return ShouldActivate();
-}
-
-void NativeWidgetAura::OnCaptureLost() {
-  delegate_->OnMouseCaptureLost();
-}
-
-void NativeWidgetAura::OnPaint(gfx::Canvas* canvas) {
-  delegate_->OnNativeWidgetPaint(canvas);
-}
-
-void NativeWidgetAura::OnDeviceScaleFactorChanged(float device_scale_factor) {
-  // Repainting with new scale factor will paint the content at the right scale.
-}
-
-void NativeWidgetAura::OnWindowDestroying(aura::Window* window) {
-  window_->RemoveObserver(this);
-  delegate_->OnNativeWidgetDestroying();
-
-  // If the aura::Window is destroyed, we can no longer show tooltips.
-  tooltip_manager_.reset();
-}
-
-void NativeWidgetAura::OnWindowDestroyed(aura::Window* window) {
-  window_ = NULL;
-  delegate_->OnNativeWidgetDestroyed();
-  if (ownership_ == Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET)
-    delete this;
-}
-
-void NativeWidgetAura::OnWindowTargetVisibilityChanged(bool visible) {
-  delegate_->OnNativeWidgetVisibilityChanged(visible);
-}
-
-bool NativeWidgetAura::HasHitTestMask() const {
-  return delegate_->HasHitTestMask();
-}
-
-void NativeWidgetAura::GetHitTestMask(gfx::Path* mask) const {
-  DCHECK(mask);
-  delegate_->GetHitTestMask(mask);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetAura, aura::WindowObserver implementation:
-
-void NativeWidgetAura::OnWindowPropertyChanged(aura::Window* window,
-                                               const void* key,
-                                               intptr_t old) {
-  if (key == aura::client::kShowStateKey)
-    delegate_->OnNativeWidgetWindowShowStateChanged();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetAura, ui::EventHandler implementation:
-
-void NativeWidgetAura::OnKeyEvent(ui::KeyEvent* event) {
-  DCHECK(window_);
-  if (event->is_char()) {
-    // If a ui::InputMethod object is attached to the root window, character
-    // events are handled inside the object and are not passed to this function.
-    // If such object is not attached, character events might be sent (e.g. on
-    // Windows). In this case, we just skip these.
-    return;
-  }
-  // Renderer may send a key event back to us if the key event wasn't handled,
-  // and the window may be invisible by that time.
-  if (!window_->IsVisible())
-    return;
-  InputMethod* input_method = GetWidget()->GetInputMethod();
-  if (!input_method)
-    return;
-  input_method->DispatchKeyEvent(*event);
-  if (switches::IsTextInputFocusManagerEnabled()) {
-    FocusManager* focus_manager = GetWidget()->GetFocusManager();
-    delegate_->OnKeyEvent(event);
-    if (!event->handled() && focus_manager)
-      focus_manager->OnKeyEvent(*event);
-  }
-  event->SetHandled();
-}
-
-void NativeWidgetAura::OnMouseEvent(ui::MouseEvent* event) {
-  DCHECK(window_);
-  DCHECK(window_->IsVisible());
-  if (event->type() == ui::ET_MOUSEWHEEL) {
-    delegate_->OnMouseEvent(event);
-    if (event->handled())
-      return;
-  }
-
-  if (tooltip_manager_.get())
-    tooltip_manager_->UpdateTooltip();
-  TooltipManagerAura::UpdateTooltipManagerForCapture(GetWidget());
-  delegate_->OnMouseEvent(event);
-}
-
-void NativeWidgetAura::OnScrollEvent(ui::ScrollEvent* event) {
-  delegate_->OnScrollEvent(event);
-}
-
-void NativeWidgetAura::OnGestureEvent(ui::GestureEvent* event) {
-  DCHECK(window_);
-  DCHECK(window_->IsVisible() || event->IsEndingEvent());
-  delegate_->OnGestureEvent(event);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetAura, aura::client::ActivationDelegate implementation:
-
-bool NativeWidgetAura::ShouldActivate() const {
-  return delegate_->CanActivate();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetAura, aura::client::ActivationChangeObserver implementation:
-
-void NativeWidgetAura::OnWindowActivated(aura::Window* gained_active,
-                                         aura::Window* lost_active) {
-  DCHECK(window_ == gained_active || window_ == lost_active);
-  if (GetWidget()->GetFocusManager()) {
-    if (window_ == gained_active)
-      GetWidget()->GetFocusManager()->RestoreFocusedView();
-    else if (window_ == lost_active)
-      GetWidget()->GetFocusManager()->StoreFocusedView(true);
-  }
-  delegate_->OnNativeWidgetActivationChanged(window_ == gained_active);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetAura, aura::client::FocusChangeObserver:
-
-void NativeWidgetAura::OnWindowFocused(aura::Window* gained_focus,
-                                       aura::Window* lost_focus) {
-  if (window_ == gained_focus) {
-    // In aura, it is possible for child native widgets to take input and focus,
-    // this differs from the behavior on windows.
-    if (GetWidget()->GetInputMethod())  // Null in tests.
-      GetWidget()->GetInputMethod()->OnFocus();
-    delegate_->OnNativeFocus(lost_focus);
-  } else if (window_ == lost_focus) {
-    // GetInputMethod() recreates the input method if it's previously been
-    // destroyed.  If we get called during destruction, the input method will be
-    // gone, and creating a new one and telling it that we lost the focus will
-    // trigger a DCHECK (the new input method doesn't think that we have the
-    // focus and doesn't expect a blur).  OnBlur() shouldn't be called during
-    // destruction unless WIDGET_OWNS_NATIVE_WIDGET is set (which is just the
-    // case in tests).
-    if (!destroying_) {
-      if (GetWidget()->GetInputMethod())
-        GetWidget()->GetInputMethod()->OnBlur();
-    } else {
-      DCHECK_EQ(ownership_, Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET);
-    }
-
-    delegate_->OnNativeBlur(gained_focus);
-  }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetAura, aura::WindowDragDropDelegate implementation:
-
-void NativeWidgetAura::OnDragEntered(const ui::DropTargetEvent& event) {
-  DCHECK(drop_helper_.get() != NULL);
-  last_drop_operation_ = drop_helper_->OnDragOver(event.data(),
-      event.location(), event.source_operations());
-}
-
-int NativeWidgetAura::OnDragUpdated(const ui::DropTargetEvent& event) {
-  DCHECK(drop_helper_.get() != NULL);
-  last_drop_operation_ = drop_helper_->OnDragOver(event.data(),
-      event.location(), event.source_operations());
-  return last_drop_operation_;
-}
-
-void NativeWidgetAura::OnDragExited() {
-  DCHECK(drop_helper_.get() != NULL);
-  drop_helper_->OnDragExit();
-}
-
-int NativeWidgetAura::OnPerformDrop(const ui::DropTargetEvent& event) {
-  DCHECK(drop_helper_.get() != NULL);
-  return drop_helper_->OnDrop(event.data(), event.location(),
-      last_drop_operation_);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetAura, protected:
-
-NativeWidgetAura::~NativeWidgetAura() {
-  destroying_ = true;
-  if (ownership_ == Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET)
-    delete delegate_;
-  else
-    CloseNow();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetAura, private:
-
-void NativeWidgetAura::SetInitialFocus(ui::WindowShowState show_state) {
-  // The window does not get keyboard messages unless we focus it.
-  if (!GetWidget()->SetInitialFocus(show_state))
-    window_->Focus();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, public:
-
-// static
-void Widget::CloseAllSecondaryWidgets() {
-}
-
-bool Widget::ConvertRect(const Widget* source,
-                         const Widget* target,
-                         gfx::Rect* rect) {
-  return false;
-}
-
-namespace internal {
-
-////////////////////////////////////////////////////////////////////////////////
-// internal::NativeWidgetPrivate, public:
-
-// static
-NativeWidgetPrivate* NativeWidgetPrivate::CreateNativeWidget(
-    internal::NativeWidgetDelegate* delegate) {
-  return new NativeWidgetAura(delegate);
-}
-
-// static
-NativeWidgetPrivate* NativeWidgetPrivate::GetNativeWidgetForNativeView(
-    gfx::NativeView native_view) {
-  // Cast must match type supplied to RegisterNativeWidgetForWindow().
-  return reinterpret_cast<NativeWidgetPrivate*>(native_view->user_data());
-}
-
-// static
-NativeWidgetPrivate* NativeWidgetPrivate::GetNativeWidgetForNativeWindow(
-    gfx::NativeWindow native_window) {
-  // Cast must match type supplied to RegisterNativeWidgetForWindow().
-  return reinterpret_cast<NativeWidgetPrivate*>(native_window->user_data());
-}
-
-// static
-NativeWidgetPrivate* NativeWidgetPrivate::GetTopLevelNativeWidget(
-    gfx::NativeView native_view) {
-  aura::Window* window = native_view;
-  NativeWidgetPrivate* top_level_native_widget = NULL;
-  while (window) {
-    NativeWidgetPrivate* native_widget = GetNativeWidgetForNativeView(window);
-    if (native_widget)
-      top_level_native_widget = native_widget;
-    window = window->parent();
-  }
-  return top_level_native_widget;
-}
-
-// static
-void NativeWidgetPrivate::GetAllChildWidgets(gfx::NativeView native_view,
-                                             Widget::Widgets* children) {
-  {
-    // Code expects widget for |native_view| to be added to |children|.
-    NativeWidgetPrivate* native_widget = static_cast<NativeWidgetPrivate*>(
-        GetNativeWidgetForNativeView(native_view));
-    if (native_widget && native_widget->GetWidget())
-      children->insert(native_widget->GetWidget());
-  }
-
-  const aura::Window::Windows& child_windows = native_view->children();
-  for (aura::Window::Windows::const_iterator i = child_windows.begin();
-       i != child_windows.end(); ++i) {
-    GetAllChildWidgets((*i), children);
-  }
-}
-
-// static
-void NativeWidgetPrivate::GetAllOwnedWidgets(gfx::NativeView native_view,
-                                             Widget::Widgets* owned) {
-  const aura::Window::Windows& transient_children =
-      wm::GetTransientChildren(native_view);
-  for (aura::Window::Windows::const_iterator i = transient_children.begin();
-       i != transient_children.end(); ++i) {
-    NativeWidgetPrivate* native_widget = static_cast<NativeWidgetPrivate*>(
-        GetNativeWidgetForNativeView(*i));
-    if (native_widget && native_widget->GetWidget())
-      owned->insert(native_widget->GetWidget());
-    GetAllOwnedWidgets((*i), owned);
-  }
-}
-
-// static
-void NativeWidgetPrivate::ReparentNativeView(gfx::NativeView native_view,
-                                             gfx::NativeView new_parent) {
-  DCHECK(native_view != new_parent);
-
-  gfx::NativeView previous_parent = native_view->parent();
-  if (previous_parent == new_parent)
-    return;
-
-  Widget::Widgets widgets;
-  GetAllChildWidgets(native_view, &widgets);
-
-  // First notify all the widgets that they are being disassociated
-  // from their previous parent.
-  for (Widget::Widgets::iterator it = widgets.begin();
-      it != widgets.end(); ++it) {
-    (*it)->NotifyNativeViewHierarchyWillChange();
-  }
-
-  if (new_parent) {
-    new_parent->AddChild(native_view);
-  } else {
-    // The following looks weird, but it's the equivalent of what aura has
-    // always done. (The previous behaviour of aura::Window::SetParent() used
-    // NULL as a special value that meant ask the WindowTreeClient where things
-    // should go.)
-    //
-    // This probably isn't strictly correct, but its an invariant that a Window
-    // in use will be attached to a RootWindow, so we can't just call
-    // RemoveChild here. The only possible thing that could assign a RootWindow
-    // in this case is the stacking client of the current RootWindow. This
-    // matches our previous behaviour; the global stacking client would almost
-    // always reattach the window to the same RootWindow.
-    aura::Window* root_window = native_view->GetRootWindow();
-    aura::client::ParentWindowWithContext(
-        native_view, root_window, root_window->GetBoundsInScreen());
-  }
-
-  // And now, notify them that they have a brand new parent.
-  for (Widget::Widgets::iterator it = widgets.begin();
-      it != widgets.end(); ++it) {
-    (*it)->NotifyNativeViewHierarchyChanged();
-  }
-}
-
-// static
-bool NativeWidgetPrivate::IsMouseButtonDown() {
-  return aura::Env::GetInstance()->IsMouseButtonDown();
-}
-
-// static
-gfx::FontList NativeWidgetPrivate::GetWindowTitleFontList() {
-#if defined(OS_WIN)
-  NONCLIENTMETRICS_XP ncm;
-  base::win::GetNonClientMetrics(&ncm);
-  l10n_util::AdjustUIFont(&(ncm.lfCaptionFont));
-  base::win::ScopedHFONT caption_font(CreateFontIndirect(&(ncm.lfCaptionFont)));
-  return gfx::FontList(gfx::Font(caption_font));
-#else
-  return gfx::FontList();
-#endif
-}
-
-}  // namespace internal
-}  // namespace views