root/ui/views/widget/widget_delegate.cc

DEFINITIONS

1. OnWidgetMove
2. OnDisplayChanged
3. OnWorkAreaChanged
4. GetInitiallyFocusedView
5. AsBubbleDelegate
6. AsDialogDelegate
7. CanResize
8. CanMaximize
9. CanActivate
10. GetModalType
11. GetAccessibleWindowRole
12. GetAccessibleWindowTitle
13. GetWindowTitle
14. ShouldShowWindowTitle
15. ShouldShowCloseButton
16. ShouldHandleSystemCommands
17. GetWindowAppIcon
18. GetWindowIcon
19. ShouldShowWindowIcon
20. ExecuteWindowsCommand
21. GetWindowName
22. SaveWindowPlacement
23. GetSavedWindowPlacement
24. ShouldRestoreWindowSize
25. GetContentsView
26. CreateClientView
27. CreateNonClientFrameView
28. CreateOverlayView
29. WillProcessWorkAreaChange
30. WidgetHasHitTestMask
31. GetWidgetHitTestMask
32. ShouldAdvanceFocusToTopLevelWidget
33. ShouldDescendIntoChildForEventHandling
34. DeleteDelegate
35. GetWidget
36. GetWidget

// 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_delegate.h"

#include "base/strings/utf_string_conversions.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/views/bubble/bubble_delegate.h"
#include "ui/views/view.h"
#include "ui/views/views_delegate.h"
#include "ui/views/widget/widget.h"
#include "ui/views/window/client_view.h"

namespace views {

////////////////////////////////////////////////////////////////////////////////
// WidgetDelegate:

WidgetDelegate::WidgetDelegate() : default_contents_view_(NULL) {
}

void WidgetDelegate::OnWidgetMove() {
}

void WidgetDelegate::OnDisplayChanged() {
}

void WidgetDelegate::OnWorkAreaChanged() {
}

View* WidgetDelegate::GetInitiallyFocusedView() {
  return NULL;
}

BubbleDelegateView* WidgetDelegate::AsBubbleDelegate() {
  return NULL;
}

DialogDelegate* WidgetDelegate::AsDialogDelegate() {
  return NULL;
}

bool WidgetDelegate::CanResize() const {
  return false;
}

bool WidgetDelegate::CanMaximize() const {
  return false;
}

bool WidgetDelegate::CanActivate() const {
  return true;
}

ui::ModalType WidgetDelegate::GetModalType() const {
  return ui::MODAL_TYPE_NONE;
}

ui::AXRole WidgetDelegate::GetAccessibleWindowRole() const {
  return ui::AX_ROLE_WINDOW;
}

base::string16 WidgetDelegate::GetAccessibleWindowTitle() const {
  return GetWindowTitle();
}

base::string16 WidgetDelegate::GetWindowTitle() const {
  return base::string16();
}

bool WidgetDelegate::ShouldShowWindowTitle() const {
  return true;
}

bool WidgetDelegate::ShouldShowCloseButton() const {
  return true;
}

bool WidgetDelegate::ShouldHandleSystemCommands() const {
  const Widget* widget = GetWidget();
  if (!widget)
    return false;

  return widget->non_client_view() != NULL;
}

gfx::ImageSkia WidgetDelegate::GetWindowAppIcon() {
  // Use the window icon as app icon by default.
  return GetWindowIcon();
}

// Returns the icon to be displayed in the window.
gfx::ImageSkia WidgetDelegate::GetWindowIcon() {
  return gfx::ImageSkia();
}

bool WidgetDelegate::ShouldShowWindowIcon() const {
  return false;
}

bool WidgetDelegate::ExecuteWindowsCommand(int command_id) {
  return false;
}

std::string WidgetDelegate::GetWindowName() const {
  return std::string();
}

void WidgetDelegate::SaveWindowPlacement(const gfx::Rect& bounds,
                                         ui::WindowShowState show_state) {
  std::string window_name = GetWindowName();
  if (!ViewsDelegate::views_delegate || window_name.empty())
    return;

  ViewsDelegate::views_delegate->SaveWindowPlacement(
      GetWidget(), window_name, bounds, show_state);
}

bool WidgetDelegate::GetSavedWindowPlacement(
    const Widget* widget,
    gfx::Rect* bounds,
    ui::WindowShowState* show_state) const {
  std::string window_name = GetWindowName();
  if (!ViewsDelegate::views_delegate || window_name.empty())
    return false;

  return ViewsDelegate::views_delegate->GetSavedWindowPlacement(
      widget, window_name, bounds, show_state);
}

bool WidgetDelegate::ShouldRestoreWindowSize() const {
  return true;
}

View* WidgetDelegate::GetContentsView() {
  if (!default_contents_view_)
    default_contents_view_ = new View;
  return default_contents_view_;
}

ClientView* WidgetDelegate::CreateClientView(Widget* widget) {
  return new ClientView(widget, GetContentsView());
}

NonClientFrameView* WidgetDelegate::CreateNonClientFrameView(Widget* widget) {
  return NULL;
}

View* WidgetDelegate::CreateOverlayView() {
  return NULL;
}

bool WidgetDelegate::WillProcessWorkAreaChange() const {
  return false;
}

bool WidgetDelegate::WidgetHasHitTestMask() const {
  return false;
}

void WidgetDelegate::GetWidgetHitTestMask(gfx::Path* mask) const {
  DCHECK(mask);
}

bool WidgetDelegate::ShouldAdvanceFocusToTopLevelWidget() const {
  return false;
}

bool WidgetDelegate::ShouldDescendIntoChildForEventHandling(
    gfx::NativeView child,
    const gfx::Point& location) {
  return true;
}

////////////////////////////////////////////////////////////////////////////////
// WidgetDelegateView:

WidgetDelegateView::WidgetDelegateView() {
  // A WidgetDelegate should be deleted on DeleteDelegate.
  set_owned_by_client();
}

WidgetDelegateView::~WidgetDelegateView() {
}

void WidgetDelegateView::DeleteDelegate() {
  delete this;
}

Widget* WidgetDelegateView::GetWidget() {
  return View::GetWidget();
}

const Widget* WidgetDelegateView::GetWidget() const {
  return View::GetWidget();
}

}  // namespace views