views: Move widget/ directory to ui/views.

views/widget/widget.cc

-// Copyright (c) 2011 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 "views/widget/widget.h"
-
-#include "base/logging.h"
-#include "base/message_loop.h"
-#include "base/utf_string_conversions.h"
-#include "ui/base/hit_test.h"
-#include "ui/base/l10n/l10n_font_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/compositor/compositor.h"
-#include "ui/gfx/compositor/layer.h"
-#include "ui/gfx/screen.h"
-#include "ui/views/focus/focus_manager.h"
-#include "ui/views/focus/focus_manager_factory.h"
-#include "ui/views/focus/view_storage.h"
-#include "ui/views/focus/widget_focus_manager.h"
-#include "ui/views/ime/input_method.h"
-#include "ui/views/window/custom_frame_view.h"
-#include "views/controls/menu/menu_controller.h"
-#include "views/views_delegate.h"
-#include "views/widget/default_theme_provider.h"
-#include "views/widget/native_widget_private.h"
-#include "views/widget/root_view.h"
-#include "views/widget/tooltip_manager.h"
-#include "views/widget/widget_delegate.h"
-
-namespace {
-
-// Set to true if a pure Views implementation is preferred
-bool use_pure_views = false;
-
-// True to enable debug paint that indicates where to be painted.
-bool debug_paint = false;
-
-}  // namespace
-
-namespace views {
-
-// This class is used to keep track of the event a Widget is processing, and
-// restore any previously active event afterwards.
-class ScopedEvent {
- public:
-  ScopedEvent(Widget* widget, const Event& event)
-      : widget_(widget),
-        event_(&event) {
-    widget->event_stack_.push(this);
-  }
-
-  ~ScopedEvent() {
-    if (widget_)
-      widget_->event_stack_.pop();
-  }
-
-  void reset() {
-    widget_ = NULL;
-  }
-
-  const Event* event() {
-    return event_;
-  }
-
- private:
-  Widget* widget_;
-  const Event* event_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedEvent);
-};
-
-// A default implementation of WidgetDelegate, used by Widget when no
-// WidgetDelegate is supplied.
-class DefaultWidgetDelegate : public WidgetDelegate {
- public:
-  DefaultWidgetDelegate(Widget* widget, const Widget::InitParams& params)
-      : widget_(widget),
-        can_activate_(!params.child &&
-                      params.type != Widget::InitParams::TYPE_POPUP) {
-  }
-  virtual ~DefaultWidgetDelegate() {}
-
-  // Overridden from WidgetDelegate:
-  virtual void DeleteDelegate() OVERRIDE {
-    delete this;
-  }
-  virtual Widget* GetWidget() {
-    return widget_;
-  }
-  virtual const Widget* GetWidget() const {
-    return widget_;
-  }
-
-  virtual bool CanActivate() const {
-    return can_activate_;
-  }
-
- private:
-  Widget* widget_;
-  bool can_activate_;
-
-  DISALLOW_COPY_AND_ASSIGN(DefaultWidgetDelegate);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, InitParams:
-
-Widget::InitParams::InitParams()
-    : type(TYPE_WINDOW),
-      delegate(NULL),
-      child(false),
-      transient(false),
-      transparent(false),
-      accept_events(true),
-      can_activate(true),
-      keep_on_top(false),
-      ownership(NATIVE_WIDGET_OWNS_WIDGET),
-      mirror_origin_in_rtl(false),
-      has_dropshadow(false),
-      show_state(ui::SHOW_STATE_DEFAULT),
-      double_buffer(false),
-      parent(NULL),
-      parent_widget(NULL),
-      native_widget(NULL),
-      top_level(false),
-      create_texture_for_layer(true) {
-}
-
-Widget::InitParams::InitParams(Type type)
-    : type(type),
-      delegate(NULL),
-      child(type == TYPE_CONTROL),
-      transient(type == TYPE_BUBBLE || type == TYPE_POPUP || type == TYPE_MENU),
-      transparent(false),
-      accept_events(true),
-      can_activate(type != TYPE_POPUP && type != TYPE_MENU),
-      keep_on_top(type == TYPE_MENU),
-      ownership(NATIVE_WIDGET_OWNS_WIDGET),
-      mirror_origin_in_rtl(false),
-      has_dropshadow(false),
-      show_state(ui::SHOW_STATE_DEFAULT),
-      double_buffer(false),
-      parent(NULL),
-      parent_widget(NULL),
-      native_widget(NULL),
-      top_level(false),
-      create_texture_for_layer(true) {
-}
-
-gfx::NativeView Widget::InitParams::GetParent() const {
-  return parent_widget ? parent_widget->GetNativeView() : parent;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, public:
-
-Widget::Widget()
-    : native_widget_(NULL),
-      widget_delegate_(NULL),
-      non_client_view_(NULL),
-      dragged_view_(NULL),
-      event_stack_(),
-      ownership_(InitParams::NATIVE_WIDGET_OWNS_WIDGET),
-      is_secondary_widget_(true),
-      frame_type_(FRAME_TYPE_DEFAULT),
-      disable_inactive_rendering_(false),
-      widget_closed_(false),
-      saved_show_state_(ui::SHOW_STATE_DEFAULT),
-      focus_on_creation_(true),
-      is_top_level_(false),
-      native_widget_initialized_(false),
-      is_mouse_button_pressed_(false),
-      last_mouse_event_was_move_(false) {
-}
-
-Widget::~Widget() {
-  while (!event_stack_.empty()) {
-    event_stack_.top()->reset();
-    event_stack_.pop();
-  }
-
-  DestroyRootView();
-  if (ownership_ == InitParams::WIDGET_OWNS_NATIVE_WIDGET)
-    delete native_widget_;
-}
-
-// static
-Widget* Widget::CreateWindow(WidgetDelegate* delegate) {
-  return CreateWindowWithParentAndBounds(delegate, NULL, gfx::Rect());
-}
-
-// static
-Widget* Widget::CreateWindowWithParent(WidgetDelegate* delegate,
-                                       gfx::NativeWindow parent) {
-  return CreateWindowWithParentAndBounds(delegate, parent, gfx::Rect());
-}
-
-// static
-Widget* Widget::CreateWindowWithBounds(WidgetDelegate* delegate,
-                                       const gfx::Rect& bounds) {
-  return CreateWindowWithParentAndBounds(delegate, NULL, bounds);
-}
-
-// static
-Widget* Widget::CreateWindowWithParentAndBounds(WidgetDelegate* delegate,
-                                                gfx::NativeWindow parent,
-                                                const gfx::Rect& bounds) {
-  Widget* widget = new Widget;
-  Widget::InitParams params;
-  params.delegate = delegate;
-#if defined(OS_WIN) || defined(USE_AURA)
-  params.parent = parent;
-#endif
-  params.bounds = bounds;
-  widget->Init(params);
-  return widget;
-}
-
-// static
-void Widget::SetPureViews(bool pure) {
-  use_pure_views = pure;
-}
-
-// static
-bool Widget::IsPureViews() {
-#if defined(USE_AURA) || defined(TOUCH_UI)
-  return true;
-#else
-  return use_pure_views;
-#endif
-}
-
-// static
-Widget* Widget::GetWidgetForNativeView(gfx::NativeView native_view) {
-  internal::NativeWidgetPrivate* native_widget =
-      internal::NativeWidgetPrivate::GetNativeWidgetForNativeView(native_view);
-  return native_widget ? native_widget->GetWidget() : NULL;
-}
-
-// static
-Widget* Widget::GetWidgetForNativeWindow(gfx::NativeWindow native_window) {
-  internal::NativeWidgetPrivate* native_widget =
-      internal::NativeWidgetPrivate::GetNativeWidgetForNativeWindow(
-          native_window);
-  return native_widget ? native_widget->GetWidget() : NULL;
-}
-
-// static
-Widget* Widget::GetTopLevelWidgetForNativeView(gfx::NativeView native_view) {
-  internal::NativeWidgetPrivate* native_widget =
-      internal::NativeWidgetPrivate::GetTopLevelNativeWidget(native_view);
-  return native_widget ? native_widget->GetWidget() : NULL;
-}
-
-
-// static
-void Widget::GetAllChildWidgets(gfx::NativeView native_view,
-                                Widgets* children) {
-  internal::NativeWidgetPrivate::GetAllChildWidgets(native_view, children);
-}
-
-// static
-void Widget::ReparentNativeView(gfx::NativeView native_view,
-                                gfx::NativeView new_parent) {
-  internal::NativeWidgetPrivate::ReparentNativeView(native_view, new_parent);
-}
-
-// static
-int Widget::GetLocalizedContentsWidth(int col_resource_id) {
-  return ui::GetLocalizedContentsWidthForFont(col_resource_id,
-      ResourceBundle::GetSharedInstance().GetFont(ResourceBundle::BaseFont));
-}
-
-// static
-int Widget::GetLocalizedContentsHeight(int row_resource_id) {
-  return ui::GetLocalizedContentsHeightForFont(row_resource_id,
-      ResourceBundle::GetSharedInstance().GetFont(ResourceBundle::BaseFont));
-}
-
-// static
-gfx::Size Widget::GetLocalizedContentsSize(int col_resource_id,
-                                           int row_resource_id) {
-  return gfx::Size(GetLocalizedContentsWidth(col_resource_id),
-                   GetLocalizedContentsHeight(row_resource_id));
-}
-
-// static
-void Widget::SetDebugPaintEnabled(bool enabled) {
-  debug_paint = enabled;
-}
-
-// static
-bool Widget::IsDebugPaintEnabled() {
-  return debug_paint;
-}
-
-// static
-bool Widget::RequiresNonClientView(InitParams::Type type) {
-  return type == InitParams::TYPE_WINDOW || type == InitParams::TYPE_BUBBLE;
-}
-
-void Widget::Init(const InitParams& params) {
-  is_top_level_ = params.top_level ||
-      (!params.child &&
-       params.type != InitParams::TYPE_CONTROL &&
-       params.type != InitParams::TYPE_TOOLTIP);
-  widget_delegate_ = params.delegate ?
-      params.delegate : new DefaultWidgetDelegate(this, params);
-  ownership_ = params.ownership;
-  native_widget_ = params.native_widget ?
-      params.native_widget->AsNativeWidgetPrivate() :
-      internal::NativeWidgetPrivate::CreateNativeWidget(this);
-  GetRootView();
-  default_theme_provider_.reset(new DefaultThemeProvider);
-  if (params.type == InitParams::TYPE_MENU) {
-    is_mouse_button_pressed_ =
-        internal::NativeWidgetPrivate::IsMouseButtonDown();
-  }
-  native_widget_->InitNativeWidget(params);
-  if (RequiresNonClientView(params.type)) {
-    non_client_view_ = new NonClientView;
-    non_client_view_->SetFrameView(CreateNonClientFrameView());
-    // Create the ClientView, add it to the NonClientView and add the
-    // NonClientView to the RootView. This will cause everything to be parented.
-    non_client_view_->set_client_view(widget_delegate_->CreateClientView(this));
-    SetContentsView(non_client_view_);
-    SetInitialBounds(params.bounds);
-    if (params.show_state == ui::SHOW_STATE_MAXIMIZED)
-      Maximize();
-    else if (params.show_state == ui::SHOW_STATE_MINIMIZED)
-      Minimize();
-    UpdateWindowTitle();
-  }
-  native_widget_initialized_ = true;
-}
-
-// Unconverted methods (see header) --------------------------------------------
-
-gfx::NativeView Widget::GetNativeView() const {
-  return native_widget_->GetNativeView();
-}
-
-gfx::NativeWindow Widget::GetNativeWindow() const {
-  return native_widget_->GetNativeWindow();
-}
-
-void Widget::AddObserver(Widget::Observer* observer) {
-  observers_.AddObserver(observer);
-}
-
-void Widget::RemoveObserver(Widget::Observer* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-bool Widget::HasObserver(Widget::Observer* observer) {
-  return observers_.HasObserver(observer);
-}
-
-bool Widget::GetAccelerator(int cmd_id, ui::Accelerator* accelerator) {
-  return false;
-}
-
-void Widget::ViewHierarchyChanged(bool is_add, View* parent, View* child) {
-  if (!is_add) {
-    if (child == dragged_view_)
-      dragged_view_ = NULL;
-
-    FocusManager* focus_manager = GetFocusManager();
-    if (focus_manager)
-      focus_manager->ViewRemoved(child);
-    ViewStorage::GetInstance()->ViewRemoved(child);
-    native_widget_->ViewRemoved(child);
-  }
-}
-
-void Widget::NotifyNativeViewHierarchyChanged(bool attached,
-                                              gfx::NativeView native_view) {
-  if (!attached) {
-    FocusManager* focus_manager = GetFocusManager();
-    // We are being removed from a window hierarchy.  Treat this as
-    // the root_view_ being removed.
-    if (focus_manager)
-      focus_manager->ViewRemoved(root_view_.get());
-  }
-  root_view_->NotifyNativeViewHierarchyChanged(attached, native_view);
-}
-
-// Converted methods (see header) ----------------------------------------------
-
-Widget* Widget::GetTopLevelWidget() {
-  return const_cast<Widget*>(
-      static_cast<const Widget*>(this)->GetTopLevelWidget());
-}
-
-const Widget* Widget::GetTopLevelWidget() const {
-  // GetTopLevelNativeWidget doesn't work during destruction because
-  // property is gone after gobject gets deleted. Short circuit here
-  // for toplevel so that InputMethod can remove itself from
-  // focus manager.
-  return is_top_level() ? this : native_widget_->GetTopLevelWidget();
-}
-
-void Widget::SetContentsView(View* view) {
-  root_view_->SetContentsView(view);
-  if (non_client_view_ != view)
-    non_client_view_ = NULL;
-}
-
-View* Widget::GetContentsView() {
-  return root_view_->GetContentsView();
-}
-
-gfx::Rect Widget::GetWindowScreenBounds() const {
-  return native_widget_->GetWindowScreenBounds();
-}
-
-gfx::Rect Widget::GetClientAreaScreenBounds() const {
-  return native_widget_->GetClientAreaScreenBounds();
-}
-
-gfx::Rect Widget::GetRestoredBounds() const {
-  return native_widget_->GetRestoredBounds();
-}
-
-void Widget::SetBounds(const gfx::Rect& bounds) {
-  native_widget_->SetBounds(bounds);
-}
-
-void Widget::SetSize(const gfx::Size& size) {
-  native_widget_->SetSize(size);
-}
-
-void Widget::SetBoundsConstrained(const gfx::Rect& bounds) {
-  gfx::Rect work_area =
-      gfx::Screen::GetMonitorWorkAreaNearestPoint(bounds.origin());
-  if (work_area.IsEmpty()) {
-    SetBounds(bounds);
-  } else {
-    // Inset the work area slightly.
-    work_area.Inset(10, 10, 10, 10);
-    SetBounds(work_area.AdjustToFit(bounds));
-  }
-}
-
-void Widget::MoveAboveWidget(Widget* widget) {
-  native_widget_->MoveAbove(widget->GetNativeView());
-}
-
-void Widget::MoveAbove(gfx::NativeView native_view) {
-  native_widget_->MoveAbove(native_view);
-}
-
-void Widget::MoveToTop() {
-  native_widget_->MoveToTop();
-}
-
-void Widget::SetShape(gfx::NativeRegion shape) {
-  native_widget_->SetShape(shape);
-}
-
-void Widget::Close() {
-  if (widget_closed_) {
-    // It appears we can hit this code path if you close a modal dialog then
-    // close the last browser before the destructor is hit, which triggers
-    // invoking Close again.
-    return;
-  }
-
-  bool can_close = true;
-  if (non_client_view_)
-    can_close = non_client_view_->CanClose();
-  if (can_close) {
-    SaveWindowPlacement();
-
-    // During tear-down the top-level focus manager becomes unavailable to
-    // GTK tabbed panes and their children, so normal deregistration via
-    // |FormManager::ViewRemoved()| calls are fouled.  We clear focus here
-    // to avoid these redundant steps and to avoid accessing deleted views
-    // that may have been in focus.
-    if (is_top_level() && focus_manager_.get())
-      focus_manager_->SetFocusedView(NULL);
-
-    native_widget_->Close();
-    widget_closed_ = true;
-  }
-}
-
-void Widget::CloseNow() {
-  native_widget_->CloseNow();
-}
-
-void Widget::EnableClose(bool enable) {
-  if (non_client_view_)
-    non_client_view_->EnableClose(enable);
-  native_widget_->EnableClose(enable);
-}
-
-void Widget::Show() {
-  if (non_client_view_) {
-    if (saved_show_state_ == ui::SHOW_STATE_MAXIMIZED &&
-        !initial_restored_bounds_.IsEmpty()) {
-      native_widget_->ShowMaximizedWithBounds(initial_restored_bounds_);
-    } else {
-      native_widget_->ShowWithWindowState(saved_show_state_);
-    }
-    // |saved_show_state_| only applies the first time the window is shown.
-    // If we don't reset the value the window may be shown maximized every time
-    // it is subsequently shown after being hidden.
-    saved_show_state_ = ui::SHOW_STATE_NORMAL;
-  } else {
-    native_widget_->Show();
-  }
-}
-
-void Widget::Hide() {
-  native_widget_->Hide();
-}
-
-void Widget::ShowInactive() {
-  // If this gets called with saved_show_state_ == ui::SHOW_STATE_MAXIMIZED,
-  // call SetBounds()with the restored bounds to set the correct size. This
-  // normally should not happen, but if it does we should avoid showing unsized
-  // windows.
-  if (saved_show_state_ == ui::SHOW_STATE_MAXIMIZED &&
-      !initial_restored_bounds_.IsEmpty()) {
-    SetBounds(initial_restored_bounds_);
-    saved_show_state_ = ui::SHOW_STATE_NORMAL;
-  }
-  native_widget_->ShowWithWindowState(ui::SHOW_STATE_INACTIVE);
-}
-
-void Widget::Activate() {
-  native_widget_->Activate();
-}
-
-void Widget::Deactivate() {
-  native_widget_->Deactivate();
-}
-
-bool Widget::IsActive() const {
-  return native_widget_->IsActive();
-}
-
-void Widget::DisableInactiveRendering() {
-  SetInactiveRenderingDisabled(true);
-}
-
-void Widget::SetAlwaysOnTop(bool on_top) {
-  native_widget_->SetAlwaysOnTop(on_top);
-}
-
-void Widget::Maximize() {
-  native_widget_->Maximize();
-}
-
-void Widget::Minimize() {
-  native_widget_->Minimize();
-}
-
-void Widget::Restore() {
-  native_widget_->Restore();
-}
-
-bool Widget::IsMaximized() const {
-  return native_widget_->IsMaximized();
-}
-
-bool Widget::IsMinimized() const {
-  return native_widget_->IsMinimized();
-}
-
-void Widget::SetFullscreen(bool fullscreen) {
-  native_widget_->SetFullscreen(fullscreen);
-}
-
-bool Widget::IsFullscreen() const {
-  return native_widget_->IsFullscreen();
-}
-
-void Widget::SetOpacity(unsigned char opacity) {
-  native_widget_->SetOpacity(opacity);
-}
-
-void Widget::SetUseDragFrame(bool use_drag_frame) {
-  native_widget_->SetUseDragFrame(use_drag_frame);
-}
-
-View* Widget::GetRootView() {
-  if (!root_view_.get()) {
-    // First time the root view is being asked for, create it now.
-    root_view_.reset(CreateRootView());
-  }
-  return root_view_.get();
-}
-
-const View* Widget::GetRootView() const {
-  return root_view_.get();
-}
-
-bool Widget::IsVisible() const {
-  return native_widget_->IsVisible();
-}
-
-bool Widget::IsAccessibleWidget() const {
-  return native_widget_->IsAccessibleWidget();
-}
-
-ThemeProvider* Widget::GetThemeProvider() const {
-  const Widget* root_widget = GetTopLevelWidget();
-  if (root_widget && root_widget != this) {
-    // Attempt to get the theme provider, and fall back to the default theme
-    // provider if not found.
-    ThemeProvider* provider = root_widget->GetThemeProvider();
-    if (provider)
-      return provider;
-
-    provider = root_widget->default_theme_provider_.get();
-    if (provider)
-      return provider;
-  }
-  return default_theme_provider_.get();
-}
-
-FocusManager* Widget::GetFocusManager() {
-  Widget* toplevel_widget = GetTopLevelWidget();
-  return toplevel_widget ? toplevel_widget->focus_manager_.get() : NULL;
-}
-
-const FocusManager* Widget::GetFocusManager() const {
-  const Widget* toplevel_widget = GetTopLevelWidget();
-  return toplevel_widget ? toplevel_widget->focus_manager_.get() : NULL;
-}
-
-InputMethod* Widget::GetInputMethod() {
-  if (is_top_level()) {
-    if (!input_method_.get())
-      input_method_.reset(native_widget_->CreateInputMethod());
-    return input_method_.get();
-  } else {
-    Widget* toplevel = GetTopLevelWidget();
-    // If GetTopLevelWidget() returns itself which is not toplevel,
-    // the widget is detached from toplevel widget.
-    // TODO(oshima): Fix GetTopLevelWidget() to return NULL
-    // if there is no toplevel. We probably need to add GetTopMostWidget()
-    // to replace some use cases.
-    return (toplevel && toplevel != this) ? toplevel->GetInputMethod() : NULL;
-  }
-}
-
-void Widget::RunShellDrag(View* view, const ui::OSExchangeData& data,
-                          int operation) {
-  dragged_view_ = view;
-  native_widget_->RunShellDrag(view, data, operation);
-  // If the view is removed during the drag operation, dragged_view_ is set to
-  // NULL.
-  if (view && dragged_view_ == view) {
-    dragged_view_ = NULL;
-    view->OnDragDone();
-  }
-}
-
-void Widget::SchedulePaintInRect(const gfx::Rect& rect) {
-  native_widget_->SchedulePaintInRect(rect);
-}
-
-void Widget::SetCursor(gfx::NativeCursor cursor) {
-  native_widget_->SetCursor(cursor);
-}
-
-void Widget::ResetLastMouseMoveFlag() {
-  last_mouse_event_was_move_ = false;
-}
-
-void Widget::SetNativeWindowProperty(const char* name, void* value) {
-  native_widget_->SetNativeWindowProperty(name, value);
-}
-
-void* Widget::GetNativeWindowProperty(const char* name) const {
-  return native_widget_->GetNativeWindowProperty(name);
-}
-
-void Widget::UpdateWindowTitle() {
-  if (!non_client_view_)
-    return;
-
-  // If the non-client view is rendering its own title, it'll need to relayout
-  // now.
-  non_client_view_->Layout();
-
-  // Update the native frame's text. We do this regardless of whether or not
-  // the native frame is being used, since this also updates the taskbar, etc.
-  string16 window_title;
-  if (native_widget_->IsScreenReaderActive()) {
-    window_title = widget_delegate_->GetAccessibleWindowTitle();
-  } else {
-    window_title = widget_delegate_->GetWindowTitle();
-  }
-  base::i18n::AdjustStringForLocaleDirection(&window_title);
-  native_widget_->SetWindowTitle(window_title);
-}
-
-void Widget::UpdateWindowIcon() {
-  if (non_client_view_)
-    non_client_view_->UpdateWindowIcon();
-  native_widget_->SetWindowIcons(widget_delegate_->GetWindowIcon(),
-                                 widget_delegate_->GetWindowAppIcon());
-}
-
-FocusTraversable* Widget::GetFocusTraversable() {
-  return static_cast<internal::RootView*>(root_view_.get());
-}
-
-void Widget::ThemeChanged() {
-  root_view_->ThemeChanged();
-}
-
-void Widget::LocaleChanged() {
-  root_view_->LocaleChanged();
-}
-
-void Widget::SetFocusTraversableParent(FocusTraversable* parent) {
-  root_view_->SetFocusTraversableParent(parent);
-}
-
-void Widget::SetFocusTraversableParentView(View* parent_view) {
-  root_view_->SetFocusTraversableParentView(parent_view);
-}
-
-void Widget::ClearNativeFocus() {
-  native_widget_->ClearNativeFocus();
-}
-
-void Widget::FocusNativeView(gfx::NativeView native_view) {
-  native_widget_->FocusNativeView(native_view);
-}
-
-void Widget::UpdateFrameAfterFrameChange() {
-  native_widget_->UpdateFrameAfterFrameChange();
-}
-
-NonClientFrameView* Widget::CreateNonClientFrameView() {
-  NonClientFrameView* frame_view = widget_delegate_->CreateNonClientFrameView();
-  if (!frame_view)
-    frame_view = native_widget_->CreateNonClientFrameView();
-  return frame_view ? frame_view : new CustomFrameView(this);
-}
-
-bool Widget::ShouldUseNativeFrame() const {
-  if (frame_type_ != FRAME_TYPE_DEFAULT)
-    return frame_type_ == FRAME_TYPE_FORCE_NATIVE;
-  return native_widget_->ShouldUseNativeFrame();
-}
-
-void Widget::DebugToggleFrameType() {
-  if (frame_type_ == FRAME_TYPE_DEFAULT) {
-    frame_type_ = ShouldUseNativeFrame() ? FRAME_TYPE_FORCE_CUSTOM :
-        FRAME_TYPE_FORCE_NATIVE;
-  } else {
-    frame_type_ = frame_type_ == FRAME_TYPE_FORCE_CUSTOM ?
-        FRAME_TYPE_FORCE_NATIVE : FRAME_TYPE_FORCE_CUSTOM;
-  }
-  FrameTypeChanged();
-}
-
-void Widget::FrameTypeChanged() {
-  native_widget_->FrameTypeChanged();
-}
-
-const ui::Compositor* Widget::GetCompositor() const {
-  return native_widget_->GetCompositor();
-}
-
-ui::Compositor* Widget::GetCompositor() {
-  return native_widget_->GetCompositor();
-}
-
-void Widget::CalculateOffsetToAncestorWithLayer(gfx::Point* offset,
-                                                ui::Layer** layer_parent) {
-  native_widget_->CalculateOffsetToAncestorWithLayer(offset, layer_parent);
-}
-
-void Widget::ReorderLayers() {
-  native_widget_->ReorderLayers();
-}
-
-void Widget::NotifyAccessibilityEvent(
-    View* view,
-    ui::AccessibilityTypes::Event event_type,
-    bool send_native_event) {
-  // Send the notification to the delegate.
-  if (ViewsDelegate::views_delegate)
-    ViewsDelegate::views_delegate->NotifyAccessibilityEvent(view, event_type);
-
-  if (send_native_event)
-    native_widget_->SendNativeAccessibilityEvent(view, event_type);
-}
-
-const NativeWidget* Widget::native_widget() const {
-  return native_widget_;
-}
-
-NativeWidget* Widget::native_widget() {
-  return native_widget_;
-}
-
-const Event* Widget::GetCurrentEvent() {
-  return event_stack_.empty() ? NULL : event_stack_.top()->event();
-}
-
-void Widget::TooltipTextChanged(View* view) {
-  TooltipManager* manager = native_widget_private()->GetTooltipManager();
-  if (manager)
-    manager->TooltipTextChanged(view);
-}
-
-bool Widget::SetInitialFocus() {
-  if (!focus_on_creation_)
-    return true;
-  View* v = widget_delegate_->GetInitiallyFocusedView();
-  if (v)
-    v->RequestFocus();
-  return !!v;
-}
-
-bool Widget::ConvertPointFromAncestor(
-    const Widget* ancestor, gfx::Point* point) const {
-  return native_widget_->ConvertPointFromAncestor(ancestor, point);
-}
-
-View* Widget::GetChildViewParent() {
-  return GetContentsView() ? GetContentsView() : GetRootView();
-}
-
-gfx::Rect Widget::GetWorkAreaBoundsInScreen() const {
-  return native_widget_->GetWorkAreaBoundsInScreen();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, NativeWidgetDelegate implementation:
-
-bool Widget::IsModal() const {
-  return widget_delegate_->IsModal();
-}
-
-bool Widget::IsDialogBox() const {
-  return !!widget_delegate_->AsDialogDelegate();
-}
-
-bool Widget::CanActivate() const {
-  return widget_delegate_->CanActivate();
-}
-
-bool Widget::IsInactiveRenderingDisabled() const {
-  return disable_inactive_rendering_;
-}
-
-void Widget::EnableInactiveRendering() {
-  SetInactiveRenderingDisabled(false);
-}
-
-void Widget::OnNativeWidgetActivationChanged(bool active) {
-  if (!active) {
-    SaveWindowPlacement();
-
-    // Close any open menus.
-    MenuController* menu_controller = MenuController::GetActiveInstance();
-    if (menu_controller)
-      menu_controller->OnWidgetActivationChanged();
-  }
-
-  FOR_EACH_OBSERVER(Observer, observers_,
-                    OnWidgetActivationChanged(this, active));
-}
-
-void Widget::OnNativeFocus(gfx::NativeView focused_view) {
-  WidgetFocusManager::GetInstance()->OnWidgetFocusEvent(focused_view,
-                                                        GetNativeView());
-}
-
-void Widget::OnNativeBlur(gfx::NativeView focused_view) {
-  WidgetFocusManager::GetInstance()->OnWidgetFocusEvent(GetNativeView(),
-                                                        focused_view);
-}
-
-void Widget::OnNativeWidgetVisibilityChanged(bool visible) {
-  View* root = GetRootView();
-  root->PropagateVisibilityNotifications(root, visible);
-  FOR_EACH_OBSERVER(Observer, observers_,
-                    OnWidgetVisibilityChanged(this, visible));
-  if (GetCompositor() && root->layer())
-    root->layer()->SetVisible(visible);
-}
-
-void Widget::OnNativeWidgetCreated() {
-  if (is_top_level())
-    focus_manager_.reset(FocusManagerFactory::Create(this));
-
-  native_widget_->SetAccessibleRole(
-      widget_delegate_->GetAccessibleWindowRole());
-  native_widget_->SetAccessibleState(
-      widget_delegate_->GetAccessibleWindowState());
-
-  if (widget_delegate_->IsModal())
-    native_widget_->BecomeModal();
-}
-
-void Widget::OnNativeWidgetDestroying() {
-  FOR_EACH_OBSERVER(Observer, observers_, OnWidgetClosing(this));
-  if (non_client_view_)
-    non_client_view_->WindowClosing();
-  widget_delegate_->WindowClosing();
-}
-
-void Widget::OnNativeWidgetDestroyed() {
-  widget_delegate_->DeleteDelegate();
-  widget_delegate_ = NULL;
-}
-
-gfx::Size Widget::GetMinimumSize() {
-  return non_client_view_ ? non_client_view_->GetMinimumSize() : gfx::Size();
-}
-
-void Widget::OnNativeWidgetSizeChanged(const gfx::Size& new_size) {
-  root_view_->SetSize(new_size);
-
-  // Size changed notifications can fire prior to full initialization
-  // i.e. during session restore.  Avoid saving session state during these
-  // startup procedures.
-  if (native_widget_initialized_)
-    SaveWindowPlacement();
-}
-
-void Widget::OnNativeWidgetBeginUserBoundsChange() {
-  widget_delegate_->OnWindowBeginUserBoundsChange();
-}
-
-void Widget::OnNativeWidgetEndUserBoundsChange() {
-  widget_delegate_->OnWindowEndUserBoundsChange();
-}
-
-bool Widget::HasFocusManager() const {
-  return !!focus_manager_.get();
-}
-
-bool Widget::OnNativeWidgetPaintAccelerated(const gfx::Rect& dirty_region) {
-  ui::Compositor* compositor = GetCompositor();
-  if (!compositor)
-    return false;
-
-  // If the root view is animating, it is likely that it does not cover the same
-  // set of pixels it did at the last frame, so we must clear when compositing
-  // to avoid leaving ghosts.
-  bool force_clear = false;
-  if (GetRootView()->layer()) {
-    const ui::Transform& layer_transform = GetRootView()->layer()->transform();
-    if (layer_transform != GetRootView()->GetTransform()) {
-      // The layer has not caught up to the view (i.e., the layer is still
-      // animating), and so a clear is required.
-      force_clear = true;
-    } else {
-      // Determine if the layer fills the client area.
-      gfx::Rect layer_bounds = GetRootView()->layer()->bounds();
-      layer_transform.TransformRect(&layer_bounds);
-      gfx::Rect client_bounds = GetClientAreaScreenBounds();
-      // Translate bounds to origin (client area bounds are offset to account
-      // for buttons, etc).
-      client_bounds.set_origin(gfx::Point(0, 0));
-      if (!layer_bounds.Contains(client_bounds)) {
-        // It doesn't, and so a clear is required.
-        force_clear = true;
-      }
-    }
-  }
-
-  compositor->Draw(force_clear);
-  return true;
-}
-
-void Widget::OnNativeWidgetPaint(gfx::Canvas* canvas) {
-  GetRootView()->Paint(canvas);
-}
-
-int Widget::GetNonClientComponent(const gfx::Point& point) {
-  return non_client_view_ ?
-      non_client_view_->NonClientHitTest(point) :
-      HTNOWHERE;
-}
-
-bool Widget::OnKeyEvent(const KeyEvent& event) {
-  ScopedEvent scoped(this, event);
-  return static_cast<internal::RootView*>(GetRootView())->OnKeyEvent(event);
-}
-
-bool Widget::OnMouseEvent(const MouseEvent& event) {
-  ScopedEvent scoped(this, event);
-  switch (event.type()) {
-    case ui::ET_MOUSE_PRESSED:
-      last_mouse_event_was_move_ = false;
-      // Make sure we're still visible before we attempt capture as the mouse
-      // press processing may have made the window hide (as happens with menus).
-      if (GetRootView()->OnMousePressed(event) && IsVisible()) {
-        is_mouse_button_pressed_ = true;
-        if (!native_widget_->HasMouseCapture())
-          native_widget_->SetMouseCapture();
-        return true;
-      }
-      return false;
-    case ui::ET_MOUSE_RELEASED:
-      last_mouse_event_was_move_ = false;
-      is_mouse_button_pressed_ = false;
-      // Release capture first, to avoid confusion if OnMouseReleased blocks.
-      if (native_widget_->HasMouseCapture() &&
-          ShouldReleaseCaptureOnMouseReleased()) {
-        native_widget_->ReleaseMouseCapture();
-      }
-      GetRootView()->OnMouseReleased(event);
-      return (event.flags() & ui::EF_IS_NON_CLIENT) ? false : true;
-    case ui::ET_MOUSE_MOVED:
-    case ui::ET_MOUSE_DRAGGED:
-      if (native_widget_->HasMouseCapture() && is_mouse_button_pressed_) {
-        last_mouse_event_was_move_ = false;
-        GetRootView()->OnMouseDragged(event);
-      } else if (!last_mouse_event_was_move_ ||
-                 last_mouse_event_position_ != event.location()) {
-        last_mouse_event_position_ = event.location();
-        last_mouse_event_was_move_ = true;
-        GetRootView()->OnMouseMoved(event);
-      }
-      return false;
-    case ui::ET_MOUSE_EXITED:
-      last_mouse_event_was_move_ = false;
-      GetRootView()->OnMouseExited(event);
-      return false;
-    case ui::ET_MOUSEWHEEL:
-      return GetRootView()->OnMouseWheel(
-          reinterpret_cast<const MouseWheelEvent&>(event));
-    default:
-      return false;
-  }
-  return true;
-}
-
-void Widget::OnMouseCaptureLost() {
-  if (is_mouse_button_pressed_)
-    GetRootView()->OnMouseCaptureLost();
-  is_mouse_button_pressed_ = false;
-}
-
-ui::TouchStatus Widget::OnTouchEvent(const TouchEvent& event) {
-  ScopedEvent scoped(this, event);
-  return static_cast<internal::RootView*>(GetRootView())->OnTouchEvent(event);
-}
-
-bool Widget::ExecuteCommand(int command_id) {
-  return widget_delegate_->ExecuteWindowsCommand(command_id);
-}
-
-InputMethod* Widget::GetInputMethodDirect() {
-  return input_method_.get();
-}
-
-Widget* Widget::AsWidget() {
-  return this;
-}
-
-const Widget* Widget::AsWidget() const {
-  return this;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, FocusTraversable implementation:
-
-FocusSearch* Widget::GetFocusSearch() {
-  return root_view_->GetFocusSearch();
-}
-
-FocusTraversable* Widget::GetFocusTraversableParent() {
-  // We are a proxy to the root view, so we should be bypassed when traversing
-  // up and as a result this should not be called.
-  NOTREACHED();
-  return NULL;
-}
-
-View* Widget::GetFocusTraversableParentView() {
-  // We are a proxy to the root view, so we should be bypassed when traversing
-  // up and as a result this should not be called.
-  NOTREACHED();
-  return NULL;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, protected:
-
-internal::RootView* Widget::CreateRootView() {
-  return new internal::RootView(this);
-}
-
-void Widget::DestroyRootView() {
-  non_client_view_ = NULL;
-  root_view_.reset();
-  // Input method has to be destroyed before focus manager.
-  input_method_.reset();
-  // Defer focus manager's destruction. This is for the case when the
-  // focus manager is referenced by a child NativeWidgetGtk (e.g. TabbedPane in
-  // a dialog). When gtk_widget_destroy is called on the parent, the destroy
-  // signal reaches parent first and then the child. Thus causing the parent
-  // NativeWidgetGtk's dtor executed before the child's. If child's view
-  // hierarchy references this focus manager, it crashes. This will defer focus
-  // manager's destruction after child NativeWidgetGtk's dtor.
-  FocusManager* focus_manager = focus_manager_.release();
-  if (focus_manager)
-    MessageLoop::current()->DeleteSoon(FROM_HERE, focus_manager);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, private:
-
-bool Widget::ShouldReleaseCaptureOnMouseReleased() const {
-  return true;
-}
-
-void Widget::SetInactiveRenderingDisabled(bool value) {
-  disable_inactive_rendering_ = value;
-  // We need to always notify the NonClientView so that it can trigger a paint.
-  // TODO: what's really needed is a way to know when either the active state
-  // changes or |disable_inactive_rendering_| changes.
-  if (non_client_view_)
-    non_client_view_->SetInactiveRenderingDisabled(value);
-  native_widget_->SetInactiveRenderingDisabled(value);
-}
-
-void Widget::SaveWindowPlacement() {
-  // The window delegate does the actual saving for us. It seems like (judging
-  // by go/crash) that in some circumstances we can end up here after
-  // WM_DESTROY, at which point the window delegate is likely gone. So just
-  // bail.
-  if (!widget_delegate_)
-    return;
-
-  ui::WindowShowState show_state = ui::SHOW_STATE_NORMAL;
-  gfx::Rect bounds;
-  native_widget_->GetWindowPlacement(&bounds, &show_state);
-  widget_delegate_->SaveWindowPlacement(bounds, show_state);
-}
-
-void Widget::SetInitialBounds(const gfx::Rect& bounds) {
-  if (!non_client_view_)
-    return;
-
-  gfx::Rect saved_bounds;
-  if (GetSavedWindowPlacement(&saved_bounds, &saved_show_state_)) {
-    if (saved_show_state_ == ui::SHOW_STATE_MAXIMIZED) {
-      // If we're going to maximize, wait until Show is invoked to set the
-      // bounds. That way we avoid a noticable resize.
-      initial_restored_bounds_ = saved_bounds;
-    } else {
-      SetBounds(saved_bounds);
-    }
-  } else {
-    if (bounds.IsEmpty()) {
-      // No initial bounds supplied, so size the window to its content and
-      // center over its parent.
-      native_widget_->CenterWindow(non_client_view_->GetPreferredSize());
-    } else {
-      // Use the supplied initial bounds.
-      SetBoundsConstrained(bounds);
-    }
-  }
-}
-
-bool Widget::GetSavedWindowPlacement(gfx::Rect* bounds,
-                                     ui::WindowShowState* show_state) {
-  // First we obtain the window's saved show-style and store it. We need to do
-  // this here, rather than in Show() because by the time Show() is called,
-  // the window's size will have been reset (below) and the saved maximized
-  // state will have been lost. Sadly there's no way to tell on Windows when
-  // a window is restored from maximized state, so we can't more accurately
-  // track maximized state independently of sizing information.
-
-  // Restore the window's placement from the controller.
-  if (widget_delegate_->GetSavedWindowPlacement(bounds, show_state)) {
-    if (!widget_delegate_->ShouldRestoreWindowSize()) {
-      bounds->set_size(non_client_view_->GetPreferredSize());
-    } else {
-      gfx::Size minimum_size = GetMinimumSize();
-      // Make sure the bounds are at least the minimum size.
-      if (bounds->width() < minimum_size.width())
-        bounds->set_width(minimum_size.width());
-
-      if (bounds->height() < minimum_size.height())
-        bounds->set_height(minimum_size.height());
-    }
-    return true;
-  }
-  return false;
-}
-
-void Widget::ReplaceInputMethod(InputMethod* input_method) {
-  input_method_.reset(input_method);
-  // TODO(oshima): Gtk's textfield doesn't need views InputMethod.
-  // Remove this check once gtk is removed.
-  if (input_method) {
-    input_method->set_delegate(native_widget_);
-    input_method->Init(this);
-  }
-}
-
-namespace internal {
-
-////////////////////////////////////////////////////////////////////////////////
-// internal::NativeWidgetPrivate, NativeWidget implementation:
-
-internal::NativeWidgetPrivate* NativeWidgetPrivate::AsNativeWidgetPrivate() {
-  return this;
-}
-
-}  // namespace internal
-}  // namespace views