ui/views/widget/widget.cc

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This source file includes following definitions.
BuildRootLayers
CreateNativeWidget
can_activate_
DeleteDelegate
GetWidget
GetWidget
CanActivate
ShouldAdvanceFocusToTopLevelWidget
force_show_in_taskbar
force_show_in_taskbar
movement_disabled_
CreateWindow
CreateWindowWithBounds
CreateWindowWithParent
CreateWindowWithParentAndBounds
CreateWindowWithContext
CreateWindowWithContextAndBounds
CreateWindowAsFramelessChild
GetWidgetForNativeView
GetWidgetForNativeWindow
GetTopLevelWidgetForNativeView
GetAllChildWidgets
GetAllOwnedWidgets
ReparentNativeView
GetLocalizedContentsWidth
GetLocalizedContentsHeight
GetLocalizedContentsSize
RequiresNonClientView
Init
GetNativeView
GetNativeWindow
AddObserver
RemoveObserver
HasObserver
GetAccelerator
ViewHierarchyChanged
NotifyNativeViewHierarchyWillChange
NotifyNativeViewHierarchyChanged
GetTopLevelWidget
GetTopLevelWidget
SetContentsView
GetContentsView
GetWindowBoundsInScreen
GetClientAreaBoundsInScreen
GetRestoredBounds
SetBounds
SetSize
CenterWindow
SetBoundsConstrained
SetVisibilityChangedAnimationsEnabled
RunMoveLoop
EndMoveLoop
StackAboveWidget
StackAbove
StackAtTop
StackBelow
SetShape
Close
CloseNow
IsClosed
Show
Hide
ShowInactive
Activate
Deactivate
IsActive
DisableInactiveRendering
SetAlwaysOnTop
IsAlwaysOnTop
SetVisibleOnAllWorkspaces
Maximize
Minimize
Restore
IsMaximized
IsMinimized
SetFullscreen
IsFullscreen
SetOpacity
SetUseDragFrame
FlashFrame
GetRootView
GetRootView
IsVisible
GetThemeProvider
GetNativeTheme
GetFocusManager
GetFocusManager
GetInputMethod
GetInputMethod
RunShellDrag
SchedulePaintInRect
SetCursor
IsMouseEventsEnabled
SetNativeWindowProperty
GetNativeWindowProperty
UpdateWindowTitle
UpdateWindowIcon
GetFocusTraversable
ThemeChanged
LocaleChanged
SetFocusTraversableParent
SetFocusTraversableParentView
ClearNativeFocus
CreateNonClientFrameView
ShouldUseNativeFrame
ShouldWindowContentsBeTransparent
DebugToggleFrameType
FrameTypeChanged
GetCompositor
GetCompositor
GetLayer
ReorderNativeViews
UpdateRootLayers
native_widget
native_widget
SetCapture
ReleaseCapture
HasCapture
GetTooltipManager
GetTooltipManager
GetWorkAreaBoundsInScreen
SynthesizeMouseMoveEvent
OnRootViewLayout
OnOwnerClosing
IsModal
IsDialogBox
CanActivate
IsInactiveRenderingDisabled
EnableInactiveRendering
OnNativeWidgetActivationChanged
OnNativeFocus
OnNativeBlur
OnNativeWidgetVisibilityChanging
OnNativeWidgetVisibilityChanged
OnNativeWidgetCreated
OnNativeWidgetDestroying
OnNativeWidgetDestroyed
GetMinimumSize
GetMaximumSize
OnNativeWidgetMove
OnNativeWidgetSizeChanged
OnNativeWidgetBeginUserBoundsChange
OnNativeWidgetEndUserBoundsChange
HasFocusManager
OnNativeWidgetPaintAccelerated
OnNativeWidgetPaint
GetNonClientComponent
OnKeyEvent
OnMouseEvent
OnMouseCaptureLost
OnScrollEvent
OnGestureEvent
ExecuteCommand
GetInputMethodDirect
GetRootLayers
HasHitTestMask
GetHitTestMask
AsWidget
AsWidget
SetInitialFocus
GetEventProcessor
GetFocusSearch
GetFocusTraversableParent
GetFocusTraversableParentView
CreateRootView
DestroyRootView
SetInactiveRenderingDisabled
SaveWindowPlacement
SetInitialBounds
SetInitialBoundsForFramelessWindow
GetSavedWindowPlacement
CreateInputMethod
ReplaceInputMethod
AsNativeWidgetPrivate
// 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/widget.h"

#include "base/debug/trace_event.h"
#include "base/logging.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "ui/base/cursor/cursor.h"
#include "ui/base/default_theme_provider.h"
#include "ui/base/hit_test.h"
#include "ui/base/l10n/l10n_font_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/compositor/compositor.h"
#include "ui/compositor/layer.h"
#include "ui/events/event.h"
#include "ui/gfx/screen.h"
#include "ui/views/controls/menu/menu_controller.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/views_delegate.h"
#include "ui/views/widget/native_widget_private.h"
#include "ui/views/widget/root_view.h"
#include "ui/views/widget/tooltip_manager.h"
#include "ui/views/widget/widget_delegate.h"
#include "ui/views/widget/widget_deletion_observer.h"
#include "ui/views/widget/widget_observer.h"
#include "ui/views/window/custom_frame_view.h"
#include "ui/views/window/dialog_delegate.h"

namespace views {

namespace {

// If |view| has a layer the layer is added to |layers|. Else this recurses
// through the children. This is used to build a list of the layers created by
// views that are direct children of the Widgets layer.
void BuildRootLayers(View* view, std::vector<ui::Layer*>* layers) {
  if (view->layer()) {
    layers->push_back(view->layer());
  } else {
    for (int i = 0; i < view->child_count(); ++i)
      BuildRootLayers(view->child_at(i), layers);
  }
}

// Create a native widget implementation.
// First, use the supplied one if non-NULL.
// Finally, make a default one.
NativeWidget* CreateNativeWidget(NativeWidget* native_widget,
                                 internal::NativeWidgetDelegate* delegate) {
  if (!native_widget) {
    native_widget =
        internal::NativeWidgetPrivate::CreateNativeWidget(delegate);
  }
  return native_widget;
}

}  // namespace

// 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 &&
                      params.type != Widget::InitParams::TYPE_DRAG) {
  }
  virtual ~DefaultWidgetDelegate() {}

  // Overridden from WidgetDelegate:
  virtual void DeleteDelegate() OVERRIDE {
    delete this;
  }
  virtual Widget* GetWidget() OVERRIDE {
    return widget_;
  }
  virtual const Widget* GetWidget() const OVERRIDE {
    return widget_;
  }
  virtual bool CanActivate() const OVERRIDE {
    return can_activate_;
  }
  virtual bool ShouldAdvanceFocusToTopLevelWidget() const OVERRIDE {
    // In most situations where a Widget is used without a delegate the Widget
    // is used as a container, so that we want focus to advance to the top-level
    // widget. A good example of this is the find bar.
    return true;
  }

 private:
  Widget* widget_;
  bool can_activate_;

  DISALLOW_COPY_AND_ASSIGN(DefaultWidgetDelegate);
};

////////////////////////////////////////////////////////////////////////////////
// Widget, InitParams:

Widget::InitParams::InitParams()
    : type(TYPE_WINDOW),
      delegate(NULL),
      child(false),
      opacity(INFER_OPACITY),
      accept_events(true),
      can_activate(true),
      keep_on_top(false),
      visible_on_all_workspaces(false),
      ownership(NATIVE_WIDGET_OWNS_WIDGET),
      mirror_origin_in_rtl(false),
      has_dropshadow(false),
      remove_standard_frame(false),
      use_system_default_icon(false),
      show_state(ui::SHOW_STATE_DEFAULT),
      double_buffer(false),
      parent(NULL),
      native_widget(NULL),
      desktop_window_tree_host(NULL),
      top_level(false),
      layer_type(aura::WINDOW_LAYER_TEXTURED),
      context(NULL),
      force_show_in_taskbar(false) {
}

Widget::InitParams::InitParams(Type type)
    : type(type),
      delegate(NULL),
      child(type == TYPE_CONTROL),
      opacity(INFER_OPACITY),
      accept_events(true),
      can_activate(type != TYPE_POPUP && type != TYPE_MENU &&
                   type != TYPE_DRAG),
      keep_on_top(type == TYPE_MENU || type == TYPE_DRAG),
      visible_on_all_workspaces(false),
      ownership(NATIVE_WIDGET_OWNS_WIDGET),
      mirror_origin_in_rtl(false),
      has_dropshadow(false),
      remove_standard_frame(false),
      use_system_default_icon(false),
      show_state(ui::SHOW_STATE_DEFAULT),
      double_buffer(false),
      parent(NULL),
      native_widget(NULL),
      desktop_window_tree_host(NULL),
      top_level(false),
      layer_type(aura::WINDOW_LAYER_TEXTURED),
      context(NULL),
      force_show_in_taskbar(false) {
}

Widget::InitParams::~InitParams() {
}

////////////////////////////////////////////////////////////////////////////////
// Widget, public:

Widget::Widget()
    : native_widget_(NULL),
      widget_delegate_(NULL),
      non_client_view_(NULL),
      dragged_view_(NULL),
      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),
      native_widget_destroyed_(false),
      is_mouse_button_pressed_(false),
      is_touch_down_(false),
      last_mouse_event_was_move_(false),
      auto_release_capture_(true),
      root_layers_dirty_(false),
      movement_disabled_(false) {
}

Widget::~Widget() {
  DestroyRootView();
  if (ownership_ == InitParams::WIDGET_OWNS_NATIVE_WIDGET) {
    delete native_widget_;
  } else {
    DCHECK(native_widget_destroyed_)
        << "Destroying a widget with a live native widget. "
        << "Widget probably should use WIDGET_OWNS_NATIVE_WIDGET ownership.";
  }
}

// static
Widget* Widget::CreateWindow(WidgetDelegate* delegate) {
  return CreateWindowWithBounds(delegate, gfx::Rect());
}

// static
Widget* Widget::CreateWindowWithBounds(WidgetDelegate* delegate,
                                       const gfx::Rect& bounds) {
  Widget* widget = new Widget;
  Widget::InitParams params;
  params.bounds = bounds;
  params.delegate = delegate;
  params.top_level = true;
  widget->Init(params);
  return widget;
}

// static
Widget* Widget::CreateWindowWithParent(WidgetDelegate* delegate,
                                       gfx::NativeWindow parent) {
  return CreateWindowWithParentAndBounds(delegate, parent, gfx::Rect());
}

// static
Widget* Widget::CreateWindowWithParentAndBounds(WidgetDelegate* delegate,
                                                gfx::NativeWindow parent,
                                                const gfx::Rect& bounds) {
  Widget* widget = new Widget;
  Widget::InitParams params;
  params.delegate = delegate;
  params.parent = parent;
  params.bounds = bounds;
  widget->Init(params);
  return widget;
}

// static
Widget* Widget::CreateWindowWithContext(WidgetDelegate* delegate,
                                        gfx::NativeView context) {
  return CreateWindowWithContextAndBounds(delegate, context, gfx::Rect());
}

// static
Widget* Widget::CreateWindowWithContextAndBounds(WidgetDelegate* delegate,
                                                 gfx::NativeView context,
                                                 const gfx::Rect& bounds) {
  Widget* widget = new Widget;
  Widget::InitParams params;
  params.delegate = delegate;
  params.context = context;
  params.bounds = bounds;
  widget->Init(params);
  return widget;
}

// static
Widget* Widget::CreateWindowAsFramelessChild(WidgetDelegate* widget_delegate,
                                             gfx::NativeView parent) {
  views::Widget* widget = new views::Widget;

  views::Widget::InitParams params;
  params.delegate = widget_delegate;
  params.child = true;
  params.parent = parent;
  params.remove_standard_frame = true;
  params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;

  widget->Init(params);
  return widget;
}

// 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::GetAllOwnedWidgets(gfx::NativeView native_view,
                                Widgets* owned) {
  internal::NativeWidgetPrivate::GetAllOwnedWidgets(native_view, owned);
}

// 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
bool Widget::RequiresNonClientView(InitParams::Type type) {
  return type == InitParams::TYPE_WINDOW ||
         type == InitParams::TYPE_PANEL ||
         type == InitParams::TYPE_BUBBLE;
}

void Widget::Init(const InitParams& in_params) {
  TRACE_EVENT0("views", "Widget::Init");
  InitParams params = in_params;

  is_top_level_ = params.top_level ||
      (!params.child &&
       params.type != InitParams::TYPE_CONTROL &&
       params.type != InitParams::TYPE_TOOLTIP);
  params.top_level = is_top_level_;

  if (params.opacity == views::Widget::InitParams::INFER_OPACITY &&
      params.type != views::Widget::InitParams::TYPE_WINDOW &&
      params.type != views::Widget::InitParams::TYPE_PANEL)
    params.opacity = views::Widget::InitParams::OPAQUE_WINDOW;

  if (ViewsDelegate::views_delegate)
    ViewsDelegate::views_delegate->OnBeforeWidgetInit(&params, this);

  if (params.opacity == views::Widget::InitParams::INFER_OPACITY)
    params.opacity = views::Widget::InitParams::OPAQUE_WINDOW;

  widget_delegate_ = params.delegate ?
      params.delegate : new DefaultWidgetDelegate(this, params);
  ownership_ = params.ownership;
  native_widget_ = CreateNativeWidget(params.native_widget, this)->
                   AsNativeWidgetPrivate();
  root_view_.reset(CreateRootView());
  default_theme_provider_.reset(new ui::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));
    non_client_view_->SetOverlayView(widget_delegate_->CreateOverlayView());
    SetContentsView(non_client_view_);
    // Initialize the window's title before setting the window's initial bounds;
    // the frame view's preferred height may depend on the presence of a title.
    UpdateWindowTitle();
    non_client_view_->ResetWindowControls();
    SetInitialBounds(params.bounds);
    if (params.show_state == ui::SHOW_STATE_MAXIMIZED)
      Maximize();
    else if (params.show_state == ui::SHOW_STATE_MINIMIZED)
      Minimize();
  } else if (params.delegate) {
    SetContentsView(params.delegate->GetContentsView());
    SetInitialBoundsForFramelessWindow(params.bounds);
  }
  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(WidgetObserver* observer) {
  observers_.AddObserver(observer);
}

void Widget::RemoveObserver(WidgetObserver* observer) {
  observers_.RemoveObserver(observer);
}

bool Widget::HasObserver(WidgetObserver* observer) {
  return observers_.HasObserver(observer);
}

bool Widget::GetAccelerator(int cmd_id, ui::Accelerator* accelerator) {
  return false;
}

void Widget::ViewHierarchyChanged(
    const View::ViewHierarchyChangedDetails& details) {
  if (!details.is_add) {
    if (details.child == dragged_view_)
      dragged_view_ = NULL;
    FocusManager* focus_manager = GetFocusManager();
    if (focus_manager)
      focus_manager->ViewRemoved(details.child);
    ViewStorage::GetInstance()->ViewRemoved(details.child);
    native_widget_->ViewRemoved(details.child);
  }
}

void Widget::NotifyNativeViewHierarchyWillChange() {
  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());
}

void Widget::NotifyNativeViewHierarchyChanged() {
  root_view_->NotifyNativeViewHierarchyChanged();
}

// 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) {
  // Do not SetContentsView() again if it is already set to the same view.
  if (view == GetContentsView())
    return;
  root_view_->SetContentsView(view);
  if (non_client_view_ != view) {
    // |non_client_view_| can only be non-NULL here if RequiresNonClientView()
    // was true when the widget was initialized. Creating widgets with non
    // client views and then setting the contents view can cause subtle
    // problems on Windows, where the native widget thinks there is still a
    // |non_client_view_|. If you get this error, either use a different type
    // when initializing the widget, or don't call SetContentsView().
    DCHECK(!non_client_view_);
    non_client_view_ = NULL;
  }
}

View* Widget::GetContentsView() {
  return root_view_->GetContentsView();
}

gfx::Rect Widget::GetWindowBoundsInScreen() const {
  return native_widget_->GetWindowBoundsInScreen();
}

gfx::Rect Widget::GetClientAreaBoundsInScreen() const {
  return native_widget_->GetClientAreaBoundsInScreen();
}

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::CenterWindow(const gfx::Size& size) {
  native_widget_->CenterWindow(size);
}

void Widget::SetBoundsConstrained(const gfx::Rect& bounds) {
  gfx::Rect work_area =
      gfx::Screen::GetScreenFor(GetNativeView())->GetDisplayNearestPoint(
          bounds.origin()).work_area();
  if (work_area.IsEmpty()) {
    SetBounds(bounds);
  } else {
    // Inset the work area slightly.
    work_area.Inset(10, 10, 10, 10);
    work_area.AdjustToFit(bounds);
    SetBounds(work_area);
  }
}

void Widget::SetVisibilityChangedAnimationsEnabled(bool value) {
  native_widget_->SetVisibilityChangedAnimationsEnabled(value);
}

Widget::MoveLoopResult Widget::RunMoveLoop(
    const gfx::Vector2d& drag_offset,
    MoveLoopSource source,
    MoveLoopEscapeBehavior escape_behavior) {
  return native_widget_->RunMoveLoop(drag_offset, source, escape_behavior);
}

void Widget::EndMoveLoop() {
  native_widget_->EndMoveLoop();
}

void Widget::StackAboveWidget(Widget* widget) {
  native_widget_->StackAbove(widget->GetNativeView());
}

void Widget::StackAbove(gfx::NativeView native_view) {
  native_widget_->StackAbove(native_view);
}

void Widget::StackAtTop() {
  native_widget_->StackAtTop();
}

void Widget::StackBelow(gfx::NativeView native_view) {
  native_widget_->StackBelow(native_view);
}

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);

    FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetClosing(this));
    native_widget_->Close();
    widget_closed_ = true;
  }
}

void Widget::CloseNow() {
  FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetClosing(this));
  native_widget_->CloseNow();
}

bool Widget::IsClosed() const {
  return widget_closed_;
}

void Widget::Show() {
  TRACE_EVENT0("views", "Widget::Show");
  if (non_client_view_) {
    // While initializing, the kiosk mode will go to full screen before the
    // widget gets shown. In that case we stay in full screen mode, regardless
    // of the |saved_show_state_| member.
    if (saved_show_state_ == ui::SHOW_STATE_MAXIMIZED &&
        !initial_restored_bounds_.IsEmpty() &&
        !IsFullscreen()) {
      native_widget_->ShowMaximizedWithBounds(initial_restored_bounds_);
    } else {
      native_widget_->ShowWithWindowState(
          IsFullscreen() ? ui::SHOW_STATE_FULLSCREEN : 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 {
    CanActivate()
        ? native_widget_->Show()
        : native_widget_->ShowWithWindowState(ui::SHOW_STATE_INACTIVE);
  }
}

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);
}

bool Widget::IsAlwaysOnTop() const {
  return native_widget_->IsAlwaysOnTop();
}

void Widget::SetVisibleOnAllWorkspaces(bool always_visible) {
  native_widget_->SetVisibleOnAllWorkspaces(always_visible);
}

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) {
  if (IsFullscreen() == fullscreen)
    return;

  native_widget_->SetFullscreen(fullscreen);

  if (non_client_view_)
    non_client_view_->Layout();
}

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);
}

void Widget::FlashFrame(bool flash) {
  native_widget_->FlashFrame(flash);
}

View* Widget::GetRootView() {
  return root_view_.get();
}

const View* Widget::GetRootView() const {
  return root_view_.get();
}

bool Widget::IsVisible() const {
  return native_widget_->IsVisible();
}

ui::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.
    ui::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();
}

const ui::NativeTheme* Widget::GetNativeTheme() const {
  return native_widget_->GetNativeTheme();
}

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() {
  return const_cast<InputMethod*>(
      const_cast<const Widget*>(this)->GetInputMethod());
}

const InputMethod* Widget::GetInputMethod() const {
  if (is_top_level()) {
    if (!input_method_.get())
      input_method_ = const_cast<Widget*>(this)->CreateInputMethod().Pass();
    return input_method_.get();
  } else {
    const 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,
                          const gfx::Point& location,
                          int operation,
                          ui::DragDropTypes::DragEventSource source) {
  dragged_view_ = view;
  native_widget_->RunShellDrag(view, data, location, operation, source);
  // 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);
}

bool Widget::IsMouseEventsEnabled() const {
  return native_widget_->IsMouseEventsEnabled();
}

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;

  // 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.
  base::string16 window_title = widget_delegate_->GetWindowTitle();
  base::i18n::AdjustStringForLocaleDirection(&window_title);
  if (!native_widget_->SetWindowTitle(window_title))
    return;
  non_client_view_->UpdateWindowTitle();

  // If the non-client view is rendering its own title, it'll need to relayout
  // now and to get a paint update later on.
  non_client_view_->Layout();
}

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();
}

NonClientFrameView* Widget::CreateNonClientFrameView() {
  NonClientFrameView* frame_view =
      widget_delegate_->CreateNonClientFrameView(this);
  if (!frame_view)
    frame_view = native_widget_->CreateNonClientFrameView();
  if (!frame_view && ViewsDelegate::views_delegate) {
    frame_view =
        ViewsDelegate::views_delegate->CreateDefaultNonClientFrameView(this);
  }
  if (frame_view)
    return frame_view;

  CustomFrameView* custom_frame_view = new CustomFrameView;
  custom_frame_view->Init(this);
  return custom_frame_view;
}

bool Widget::ShouldUseNativeFrame() const {
  if (frame_type_ != FRAME_TYPE_DEFAULT)
    return frame_type_ == FRAME_TYPE_FORCE_NATIVE;
  return native_widget_->ShouldUseNativeFrame();
}

bool Widget::ShouldWindowContentsBeTransparent() const {
  return native_widget_->ShouldWindowContentsBeTransparent();
}

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();
}

ui::Layer* Widget::GetLayer() {
  return native_widget_->GetLayer();
}

void Widget::ReorderNativeViews() {
  native_widget_->ReorderNativeViews();
}

void Widget::UpdateRootLayers() {
  // Calculate the layers requires traversing the tree, and since nearly any
  // mutation of the tree can trigger this call we delay until absolutely
  // necessary.
  root_layers_dirty_ = true;
}

const NativeWidget* Widget::native_widget() const {
  return native_widget_;
}

NativeWidget* Widget::native_widget() {
  return native_widget_;
}

void Widget::SetCapture(View* view) {
  if (internal::NativeWidgetPrivate::IsMouseButtonDown())
    is_mouse_button_pressed_ = true;
  if (internal::NativeWidgetPrivate::IsTouchDown())
    is_touch_down_ = true;
  root_view_->SetMouseHandler(view);
  if (!native_widget_->HasCapture())
    native_widget_->SetCapture();
}

void Widget::ReleaseCapture() {
  if (native_widget_->HasCapture())
    native_widget_->ReleaseCapture();
}

bool Widget::HasCapture() {
  return native_widget_->HasCapture();
}

TooltipManager* Widget::GetTooltipManager() {
  return native_widget_->GetTooltipManager();
}

const TooltipManager* Widget::GetTooltipManager() const {
  return native_widget_->GetTooltipManager();
}

gfx::Rect Widget::GetWorkAreaBoundsInScreen() const {
  return native_widget_->GetWorkAreaBoundsInScreen();
}

void Widget::SynthesizeMouseMoveEvent() {
  last_mouse_event_was_move_ = false;
  ui::MouseEvent mouse_event(ui::ET_MOUSE_MOVED,
                             last_mouse_event_position_,
                             last_mouse_event_position_,
                             ui::EF_IS_SYNTHESIZED, 0);
  root_view_->OnMouseMoved(mouse_event);
}

void Widget::OnRootViewLayout() {
  native_widget_->OnRootViewLayout();
}

void Widget::OnOwnerClosing() {
}

////////////////////////////////////////////////////////////////////////////////
// Widget, NativeWidgetDelegate implementation:

bool Widget::IsModal() const {
  return widget_delegate_->GetModalType() != ui::MODAL_TYPE_NONE;
}

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) {
  // On windows we may end up here before we've completed initialization (from
  // an WM_NCACTIVATE). If that happens the WidgetDelegate likely doesn't know
  // the Widget and will crash attempting to access it.
  if (!active && native_widget_initialized_)
    SaveWindowPlacement();

  FOR_EACH_OBSERVER(WidgetObserver, observers_,
                    OnWidgetActivationChanged(this, active));

  if (IsVisible() && non_client_view())
    non_client_view()->frame_view()->SchedulePaint();
}

void Widget::OnNativeFocus(gfx::NativeView old_focused_view) {
  WidgetFocusManager::GetInstance()->OnWidgetFocusEvent(old_focused_view,
                                                        GetNativeView());
}

void Widget::OnNativeBlur(gfx::NativeView new_focused_view) {
  WidgetFocusManager::GetInstance()->OnWidgetFocusEvent(GetNativeView(),
                                                        new_focused_view);
}

void Widget::OnNativeWidgetVisibilityChanging(bool visible) {
  FOR_EACH_OBSERVER(WidgetObserver, observers_,
                    OnWidgetVisibilityChanging(this, visible));
}

void Widget::OnNativeWidgetVisibilityChanged(bool visible) {
  View* root = GetRootView();
  if (root)
    root->PropagateVisibilityNotifications(root, visible);
  FOR_EACH_OBSERVER(WidgetObserver, observers_,
                    OnWidgetVisibilityChanged(this, visible));
  if (GetCompositor() && root && root->layer())
    root->layer()->SetVisible(visible);
}

void Widget::OnNativeWidgetCreated(bool desktop_widget) {
  if (is_top_level())
    focus_manager_.reset(FocusManagerFactory::Create(this, desktop_widget));

  native_widget_->InitModalType(widget_delegate_->GetModalType());

  FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetCreated(this));
}

void Widget::OnNativeWidgetDestroying() {
  // Tell the focus manager (if any) that root_view is being removed
  // in case that the focused view is under this root view.
  if (GetFocusManager())
    GetFocusManager()->ViewRemoved(root_view_.get());
  FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetDestroying(this));
  if (non_client_view_)
    non_client_view_->WindowClosing();
  widget_delegate_->WindowClosing();
}

void Widget::OnNativeWidgetDestroyed() {
  FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetDestroyed(this));
  widget_delegate_->DeleteDelegate();
  widget_delegate_ = NULL;
  native_widget_destroyed_ = true;
}

gfx::Size Widget::GetMinimumSize() {
  return non_client_view_ ? non_client_view_->GetMinimumSize() : gfx::Size();
}

gfx::Size Widget::GetMaximumSize() {
  return non_client_view_ ? non_client_view_->GetMaximumSize() : gfx::Size();
}

void Widget::OnNativeWidgetMove() {
  widget_delegate_->OnWidgetMove();
  FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetBoundsChanged(
    this,
    GetWindowBoundsInScreen()));
}

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();

  FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetBoundsChanged(
    this,
    GetWindowBoundsInScreen()));
}

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;

  compositor->ScheduleRedrawRect(dirty_region);
  return true;
}

void Widget::OnNativeWidgetPaint(gfx::Canvas* canvas) {
  // On Linux Aura, we can get here during Init() because of the
  // SetInitialBounds call.
  if (native_widget_initialized_)
    GetRootView()->Paint(canvas);
}

int Widget::GetNonClientComponent(const gfx::Point& point) {
  int component = non_client_view_ ?
      non_client_view_->NonClientHitTest(point) :
      HTNOWHERE;

  if (movement_disabled_ && (component == HTCAPTION || component == HTSYSMENU))
    return HTNOWHERE;

  return component;
}

void Widget::OnKeyEvent(ui::KeyEvent* event) {
  SendEventToProcessor(event);
}

// TODO(tdanderson): We should not be calling the OnMouse*() functions on
//                   RootView from anywhere in Widget. Use
//                   SendEventToProcessor() instead. See crbug.com/348087.
void Widget::OnMouseEvent(ui::MouseEvent* event) {
  View* root_view = GetRootView();
  switch (event->type()) {
    case ui::ET_MOUSE_PRESSED: {
      last_mouse_event_was_move_ = false;

      // We may get deleted by the time we return from OnMousePressed. So we
      // use an observer to make sure we are still alive.
      WidgetDeletionObserver widget_deletion_observer(this);

      // 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).

      // It is possible for a View to show a context menu on mouse-press. Since
      // the menu does a capture and starts a nested message-loop, the release
      // would go to the menu. The next click (i.e. both mouse-press and release
      // events) also go to the menu. The menu (and the nested message-loop)
      // gets closed after this second release event. The code then resumes from
      // here. So make sure that the mouse-button is still down before doing a
      // capture.
      if (root_view && root_view->OnMousePressed(*event) &&
          widget_deletion_observer.IsWidgetAlive() && IsVisible() &&
          internal::NativeWidgetPrivate::IsMouseButtonDown()) {
        is_mouse_button_pressed_ = true;
        if (!native_widget_->HasCapture())
          native_widget_->SetCapture();
        event->SetHandled();
      }
      return;
    }

    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 (auto_release_capture_ && native_widget_->HasCapture())
        native_widget_->ReleaseCapture();
      if (root_view)
        root_view->OnMouseReleased(*event);
      if ((event->flags() & ui::EF_IS_NON_CLIENT) == 0)
        event->SetHandled();
      return;

    case ui::ET_MOUSE_MOVED:
    case ui::ET_MOUSE_DRAGGED:
      if (native_widget_->HasCapture() && is_mouse_button_pressed_) {
        last_mouse_event_was_move_ = false;
        if (root_view)
          root_view->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;
        if (root_view)
          root_view->OnMouseMoved(*event);
      }
      return;

    case ui::ET_MOUSE_EXITED:
      last_mouse_event_was_move_ = false;
      if (root_view)
        root_view->OnMouseExited(*event);
      return;

    case ui::ET_MOUSEWHEEL:
      if (root_view && root_view->OnMouseWheel(
          static_cast<const ui::MouseWheelEvent&>(*event)))
        event->SetHandled();
      return;

    default:
      return;
  }
}

void Widget::OnMouseCaptureLost() {
  if (is_mouse_button_pressed_ || is_touch_down_) {
    View* root_view = GetRootView();
    if (root_view)
      root_view->OnMouseCaptureLost();
  }
  is_touch_down_ = false;
  is_mouse_button_pressed_ = false;
}

void Widget::OnScrollEvent(ui::ScrollEvent* event) {
  SendEventToProcessor(event);
}

void Widget::OnGestureEvent(ui::GestureEvent* event) {
  switch (event->type()) {
    case ui::ET_GESTURE_TAP_DOWN:
      is_touch_down_ = true;
      // We explicitly don't capture here. Not capturing enables multiple
      // widgets to get tap events at the same time. Views (such as tab
      // dragging) may explicitly capture.
      break;

    case ui::ET_GESTURE_END:
      if (event->details().touch_points() == 1)
        is_touch_down_ = false;
      break;

    default:
      break;
  }
  SendEventToProcessor(event);
}

bool Widget::ExecuteCommand(int command_id) {
  return widget_delegate_->ExecuteWindowsCommand(command_id);
}

InputMethod* Widget::GetInputMethodDirect() {
  return input_method_.get();
}

const std::vector<ui::Layer*>& Widget::GetRootLayers() {
  if (root_layers_dirty_) {
    root_layers_dirty_ = false;
    root_layers_.clear();
    BuildRootLayers(GetRootView(), &root_layers_);
  }
  return root_layers_;
}

bool Widget::HasHitTestMask() const {
  return widget_delegate_->WidgetHasHitTestMask();
}

void Widget::GetHitTestMask(gfx::Path* mask) const {
  DCHECK(mask);
  widget_delegate_->GetWidgetHitTestMask(mask);
}

Widget* Widget::AsWidget() {
  return this;
}

const Widget* Widget::AsWidget() const {
  return this;
}

bool Widget::SetInitialFocus(ui::WindowShowState show_state) {
  View* v = widget_delegate_->GetInitiallyFocusedView();
  if (!focus_on_creation_ || show_state == ui::SHOW_STATE_INACTIVE ||
      show_state == ui::SHOW_STATE_MINIMIZED) {
    // If not focusing the window now, tell the focus manager which view to
    // focus when the window is restored.
    if (v)
      focus_manager_->SetStoredFocusView(v);
    return true;
  }
  if (v)
    v->RequestFocus();
  return !!v;
}

////////////////////////////////////////////////////////////////////////////////
// Widget, ui::EventSource implementation:
ui::EventProcessor* Widget::GetEventProcessor() {
  return root_view_.get();
}

////////////////////////////////////////////////////////////////////////////////
// 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();
}

////////////////////////////////////////////////////////////////////////////////
// Widget, private:

void Widget::SetInactiveRenderingDisabled(bool value) {
  if (value == disable_inactive_rendering_)
    return;

  disable_inactive_rendering_ = value;
  if (non_client_view_)
    non_client_view_->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 noticeable resize.
      initial_restored_bounds_ = saved_bounds;
    } else if (!saved_bounds.IsEmpty()) {
      // If the saved bounds are valid, use them.
      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);
    }
  }
}

void Widget::SetInitialBoundsForFramelessWindow(const gfx::Rect& bounds) {
  if (bounds.IsEmpty()) {
    View* contents_view = GetContentsView();
    DCHECK(contents_view);
    // No initial bounds supplied, so size the window to its content and
    // center over its parent if preferred size is provided.
    gfx::Size size = contents_view->GetPreferredSize();
    if (!size.IsEmpty())
      native_widget_->CenterWindow(size);
  } 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(this, 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;
}

scoped_ptr<InputMethod> Widget::CreateInputMethod() {
  scoped_ptr<InputMethod> input_method(native_widget_->CreateInputMethod());
  if (input_method.get())
    input_method->Init(this);
  return input_method.Pass();
}

void Widget::ReplaceInputMethod(InputMethod* input_method) {
  input_method_.reset(input_method);
  input_method->SetDelegate(native_widget_->GetInputMethodDelegate());
  input_method->Init(this);
}

namespace internal {

////////////////////////////////////////////////////////////////////////////////
// internal::NativeWidgetPrivate, NativeWidget implementation:

internal::NativeWidgetPrivate* NativeWidgetPrivate::AsNativeWidgetPrivate() {
  return this;
}

}  // namespace internal
}  // namespace views
/* [<][>][^][v][top][bottom][index][help] */
root/ui/views/widget/widget.cc

DEFINITIONS
