Introduce BubbleDialogDelegateView, which extends DialogDelegateView

ui/views/bubble/bubble_dialog_delegate.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2016 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/bubble/bubble_delegate.h"
+#include "ui/views/bubble/bubble_dialog_delegate.h"
 
 #include "build/build_config.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/native_theme/native_theme.h"
 #include "ui/views/bubble/bubble_frame_view.h"
 #include "ui/views/focus/view_storage.h"
 #include "ui/views/layout/layout_constants.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_observer.h"
+#include "ui/views/window/dialog_client_view.h"
 
 #if defined(OS_WIN)
 #include "ui/base/win/shell.h"
 #endif
 
 namespace views {
 
 namespace {
 
 // Create a widget to host the bubble.
-Widget* CreateBubbleWidget(BubbleDelegateView* bubble) {
+Widget* CreateBubbleWidget(BubbleDialogDelegateView* bubble) {
   Widget* bubble_widget = new Widget();
   Widget::InitParams bubble_params(Widget::InitParams::TYPE_BUBBLE);
   bubble_params.delegate = bubble;
   bubble_params.opacity = Widget::InitParams::TRANSLUCENT_WINDOW;
   bubble_params.accept_events = bubble->accept_events();
   if (bubble->parent_window())
     bubble_params.parent = bubble->parent_window();
   else if (bubble->anchor_widget())
     bubble_params.parent = bubble->anchor_widget()->GetNativeView();
-  bubble_params.activatable = bubble->CanActivate() ?
-      Widget::InitParams::ACTIVATABLE_YES : Widget::InitParams::ACTIVATABLE_NO;
+  bubble_params.activatable = bubble->CanActivate()
+                                  ? Widget::InitParams::ACTIVATABLE_YES
+                                  : Widget::InitParams::ACTIVATABLE_NO;
   bubble->OnBeforeBubbleWidgetInit(&bubble_params, bubble_widget);
   bubble_widget->Init(bubble_params);
   if (bubble_params.parent)
     bubble_widget->StackAbove(bubble_params.parent);
   return bubble_widget;
 }
 
 }  // namespace
 
 // static
-const char BubbleDelegateView::kViewClassName[] = "BubbleDelegateView";
+const char BubbleDialogDelegateView::kViewClassName[] =
+    "BubbleDialogDelegateView";
 
-BubbleDelegateView::BubbleDelegateView()
-    : BubbleDelegateView(nullptr, BubbleBorder::TOP_LEFT) {}
-
-BubbleDelegateView::BubbleDelegateView(View* anchor_view,
-                                       BubbleBorder::Arrow arrow)
-    : close_on_esc_(true),
-      close_on_deactivate_(true),
-      anchor_view_storage_id_(ViewStorage::GetInstance()->CreateStorageID()),
-      anchor_widget_(NULL),
-      arrow_(arrow),
-      shadow_(BubbleBorder::SMALL_SHADOW),
-      color_explicitly_set_(false),
-      margins_(kPanelVertMargin,
-               kPanelHorizMargin,
-               kPanelVertMargin,
-               kPanelHorizMargin),
-      accept_events_(true),
-      border_accepts_events_(true),
-      adjust_if_offscreen_(true),
-      parent_window_(NULL),
-      close_reason_(CloseReason::UNKNOWN) {
-  if (anchor_view)
-    SetAnchorView(anchor_view);
-  AddAccelerator(ui::Accelerator(ui::VKEY_ESCAPE, ui::EF_NONE));
-  UpdateColorsFromTheme(GetNativeTheme());
-}
-
-BubbleDelegateView::~BubbleDelegateView() {
+BubbleDialogDelegateView::~BubbleDialogDelegateView() {
   if (GetWidget())
     GetWidget()->RemoveObserver(this);
   SetLayoutManager(NULL);
   SetAnchorView(NULL);
 }
 
 // static
-Widget* BubbleDelegateView::CreateBubble(BubbleDelegateView* bubble_delegate) {
+Widget* BubbleDialogDelegateView::CreateBubble(
+    BubbleDialogDelegateView* bubble_delegate) {
   bubble_delegate->Init();
   // Get the latest anchor widget from the anchor view at bubble creation time.
   bubble_delegate->SetAnchorView(bubble_delegate->GetAnchorView());
   Widget* bubble_widget = CreateBubbleWidget(bubble_delegate);
 
 #if defined(OS_WIN)
   // If glass is enabled, the bubble is allowed to extend outside the bounds of
   // the parent frame and let DWM handle compositing.  If not, then we don't
   // want to allow the bubble to extend the frame because it will be clipped.
   bubble_delegate->set_adjust_if_offscreen(ui::win::IsAeroGlassEnabled());
 #elif (defined(OS_LINUX) && !defined(OS_CHROMEOS)) || defined(OS_MACOSX)
   // Linux clips bubble windows that extend outside their parent window bounds.
   // Mac never adjusts.
   bubble_delegate->set_adjust_if_offscreen(false);
 #endif
 
   bubble_delegate->SizeToContents();
   bubble_widget->AddObserver(bubble_delegate);
   return bubble_widget;
 }
 
-BubbleDelegateView* BubbleDelegateView::AsBubbleDelegate() {
-  return this;
-}
-
-bool BubbleDelegateView::ShouldShowCloseButton() const {
+bool BubbleDialogDelegateView::ShouldShowCloseButton() const {
   return false;
 }
 
-View* BubbleDelegateView::GetContentsView() {
-  return this;
+ClientView* BubbleDialogDelegateView::CreateClientView(Widget* widget) {
+  DialogClientView* client = new DialogClientView(widget, GetContentsView());
+  client->set_button_row_insets(gfx::Insets());
+  return client;
 }
 
-NonClientFrameView* BubbleDelegateView::CreateNonClientFrameView(
+NonClientFrameView* BubbleDialogDelegateView::CreateNonClientFrameView(
     Widget* widget) {
   BubbleFrameView* frame = new BubbleFrameView(
       gfx::Insets(kPanelVertMargin, kPanelHorizMargin, 0, kPanelHorizMargin),
       margins());
   // Note: In CreateBubble, the call to SizeToContents() will cause
   // the relayout that this call requires.
   frame->SetTitleFontList(GetTitleFontList());
   frame->SetFootnoteView(CreateFootnoteView());
 
   BubbleBorder::Arrow adjusted_arrow = arrow();
   if (base::i18n::IsRTL())
     adjusted_arrow = BubbleBorder::horizontal_mirror(adjusted_arrow);
   frame->SetBubbleBorder(scoped_ptr<BubbleBorder>(
       new BubbleBorder(adjusted_arrow, shadow(), color())));
   return frame;
 }
 
-void BubbleDelegateView::GetAccessibleState(ui::AXViewState* state) {
+void BubbleDialogDelegateView::GetAccessibleState(ui::AXViewState* state) {
   state->role = ui::AX_ROLE_DIALOG;
 }
 
-const char* BubbleDelegateView::GetClassName() const {
+const char* BubbleDialogDelegateView::GetClassName() const {
   return kViewClassName;
 }
 
-void BubbleDelegateView::OnWidgetClosing(Widget* widget) {
+void BubbleDialogDelegateView::OnWidgetClosing(Widget* widget) {
   DCHECK(GetBubbleFrameView());
   if (widget == GetWidget() && close_reason_ == CloseReason::UNKNOWN &&
       GetBubbleFrameView()->close_button_clicked()) {
     close_reason_ = CloseReason::CLOSE_BUTTON;
   }
 }
 
-void BubbleDelegateView::OnWidgetDestroying(Widget* widget) {
+void BubbleDialogDelegateView::OnWidgetDestroying(Widget* widget) {
   if (anchor_widget() == widget)
     SetAnchorView(NULL);
 }
 
-void BubbleDelegateView::OnWidgetVisibilityChanging(Widget* widget,
-                                                    bool visible) {
+void BubbleDialogDelegateView::OnWidgetVisibilityChanging(Widget* widget,
+                                                          bool visible) {
 #if defined(OS_WIN)
   // On Windows we need to handle this before the bubble is visible or hidden.
   // Please see the comment on the OnWidgetVisibilityChanging function. On
   // other platforms it is fine to handle it after the bubble is shown/hidden.
   HandleVisibilityChanged(widget, visible);
 #endif
 }
 
-void BubbleDelegateView::OnWidgetVisibilityChanged(Widget* widget,
-                                                   bool visible) {
+void BubbleDialogDelegateView::OnWidgetVisibilityChanged(Widget* widget,
+                                                         bool visible) {
 #if !defined(OS_WIN)
   HandleVisibilityChanged(widget, visible);
 #endif
 }
 
-void BubbleDelegateView::OnWidgetActivationChanged(Widget* widget,
-                                                   bool active) {
+void BubbleDialogDelegateView::OnWidgetActivationChanged(Widget* widget,
+                                                         bool active) {
   if (close_on_deactivate() && widget == GetWidget() && !active) {
     if (close_reason_ == CloseReason::UNKNOWN)
       close_reason_ = CloseReason::DEACTIVATION;
     GetWidget()->Close();
   }
 }
 
-void BubbleDelegateView::OnWidgetBoundsChanged(Widget* widget,
-                                               const gfx::Rect& new_bounds) {
+void BubbleDialogDelegateView::OnWidgetBoundsChanged(
+    Widget* widget,
+    const gfx::Rect& new_bounds) {
   if (GetBubbleFrameView() && anchor_widget() == widget)
     SizeToContents();
 }
 
-View* BubbleDelegateView::GetAnchorView() const {
+View* BubbleDialogDelegateView::GetAnchorView() const {
   return ViewStorage::GetInstance()->RetrieveView(anchor_view_storage_id_);
 }
 
-gfx::Rect BubbleDelegateView::GetAnchorRect() const {
+gfx::Rect BubbleDialogDelegateView::GetAnchorRect() const {
   if (!GetAnchorView())
     return anchor_rect_;
 
   anchor_rect_ = GetAnchorView()->GetBoundsInScreen();
   anchor_rect_.Inset(anchor_view_insets_);
   return anchor_rect_;
 }
 
-void BubbleDelegateView::OnBeforeBubbleWidgetInit(Widget::InitParams* params,
-                                                  Widget* widget) const {
-}
+void BubbleDialogDelegateView::OnBeforeBubbleWidgetInit(
+    Widget::InitParams* params,
+    Widget* widget) const {}
 
-scoped_ptr<View> BubbleDelegateView::CreateFootnoteView() {
-  return nullptr;
-}
-
-void BubbleDelegateView::UseCompactMargins() {
+void BubbleDialogDelegateView::UseCompactMargins() {
   const int kCompactMargin = 6;
   margins_.Set(kCompactMargin, kCompactMargin, kCompactMargin, kCompactMargin);
 }
 
-void BubbleDelegateView::SetAlignment(BubbleBorder::BubbleAlignment alignment) {
+void BubbleDialogDelegateView::SetAlignment(
+    BubbleBorder::BubbleAlignment alignment) {
   GetBubbleFrameView()->bubble_border()->set_alignment(alignment);
   SizeToContents();
 }
 
-void BubbleDelegateView::SetArrowPaintType(
+void BubbleDialogDelegateView::SetArrowPaintType(
     BubbleBorder::ArrowPaintType paint_type) {
   GetBubbleFrameView()->bubble_border()->set_paint_arrow(paint_type);
   SizeToContents();
 }
 
-void BubbleDelegateView::OnAnchorBoundsChanged() {
+void BubbleDialogDelegateView::OnAnchorBoundsChanged() {
   SizeToContents();
 }
 
-bool BubbleDelegateView::AcceleratorPressed(
+BubbleDialogDelegateView::BubbleDialogDelegateView()
+    : BubbleDialogDelegateView(nullptr, BubbleBorder::TOP_LEFT) {}
+
+BubbleDialogDelegateView::BubbleDialogDelegateView(View* anchor_view,
+                                                   BubbleBorder::Arrow arrow)
+    : close_on_esc_(true),
+      close_on_deactivate_(true),
+      anchor_view_storage_id_(ViewStorage::GetInstance()->CreateStorageID()),
+      anchor_widget_(NULL),
+      arrow_(arrow),
+      shadow_(BubbleBorder::SMALL_SHADOW),
+      color_explicitly_set_(false),
+      margins_(kPanelVertMargin,
+               kPanelHorizMargin,
+               kPanelVertMargin,
+               kPanelHorizMargin),
+      accept_events_(true),
+      border_accepts_events_(true),
+      adjust_if_offscreen_(true),
+      parent_window_(NULL),
+      close_reason_(CloseReason::UNKNOWN) {
+  if (anchor_view)
+    SetAnchorView(anchor_view);
+  AddAccelerator(ui::Accelerator(ui::VKEY_ESCAPE, ui::EF_NONE));
+  UpdateColorsFromTheme(GetNativeTheme());
+}
+
+gfx::Rect BubbleDialogDelegateView::GetBubbleBounds() {
+  // The argument rect has its origin at the bubble's arrow anchor point;
+  // its size is the preferred size of the bubble's client view (this view).
+  bool anchor_minimized = anchor_widget() && anchor_widget()->IsMinimized();
+  return GetBubbleFrameView()->GetUpdatedWindowBounds(
+      GetAnchorRect(), GetWidget()->client_view()->GetPreferredSize(),
+      adjust_if_offscreen_ && !anchor_minimized);
+}
+
+const gfx::FontList& BubbleDialogDelegateView::GetTitleFontList() const {
+  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
+  return rb.GetFontList(ui::ResourceBundle::MediumFont);
+}
+
+bool BubbleDialogDelegateView::AcceleratorPressed(
     const ui::Accelerator& accelerator) {
   if (!close_on_esc() || accelerator.key_code() != ui::VKEY_ESCAPE)
     return false;
   close_reason_ = CloseReason::ESCAPE;
   GetWidget()->Close();
   return true;
 }
 
-void BubbleDelegateView::OnNativeThemeChanged(const ui::NativeTheme* theme) {
+void BubbleDialogDelegateView::OnNativeThemeChanged(
+    const ui::NativeTheme* theme) {
   UpdateColorsFromTheme(theme);
 }
 
-void BubbleDelegateView::Init() {}
+void BubbleDialogDelegateView::Init() {}
 
-void BubbleDelegateView::SetAnchorView(View* anchor_view) {
+void BubbleDialogDelegateView::SetAnchorView(View* anchor_view) {
   // When the anchor view gets set the associated anchor widget might
   // change as well.
   if (!anchor_view || anchor_widget() != anchor_view->GetWidget()) {
     if (anchor_widget()) {
       anchor_widget_->RemoveObserver(this);
       anchor_widget_ = NULL;
     }
     if (anchor_view) {
       anchor_widget_ = anchor_view->GetWidget();
       if (anchor_widget_)
         anchor_widget_->AddObserver(this);
     }
   }
 
   // Remove the old storage item and set the new (if there is one).
   ViewStorage* view_storage = ViewStorage::GetInstance();
   if (view_storage->RetrieveView(anchor_view_storage_id_))
     view_storage->RemoveView(anchor_view_storage_id_);
   if (anchor_view)
     view_storage->StoreView(anchor_view_storage_id_, anchor_view);
 
   // Do not update anchoring for NULL views; this could indicate that our
   // NativeWindow is being destroyed, so it would be dangerous for us to update
   // our anchor bounds at that point. (It's safe to skip this, since if we were
   // to update the bounds when |anchor_view| is NULL, the bubble won't move.)
   if (anchor_view && GetWidget())
     OnAnchorBoundsChanged();
 }
 
-void BubbleDelegateView::SetAnchorRect(const gfx::Rect& rect) {
+void BubbleDialogDelegateView::SetAnchorRect(const gfx::Rect& rect) {
   anchor_rect_ = rect;
   if (GetWidget())
     OnAnchorBoundsChanged();
 }
 
-void BubbleDelegateView::SizeToContents() {
+void BubbleDialogDelegateView::SizeToContents() {
   GetWidget()->SetBounds(GetBubbleBounds());
 }
 
-BubbleFrameView* BubbleDelegateView::GetBubbleFrameView() const {
+BubbleFrameView* BubbleDialogDelegateView::GetBubbleFrameView() const {
   const NonClientView* view =
       GetWidget() ? GetWidget()->non_client_view() : NULL;
   return view ? static_cast<BubbleFrameView*>(view->frame_view()) : NULL;
 }
 
-gfx::Rect BubbleDelegateView::GetBubbleBounds() {
-  // The argument rect has its origin at the bubble's arrow anchor point;
-  // its size is the preferred size of the bubble's client view (this view).
-  bool anchor_minimized = anchor_widget() && anchor_widget()->IsMinimized();
-  return GetBubbleFrameView()->GetUpdatedWindowBounds(GetAnchorRect(),
-      GetPreferredSize(), adjust_if_offscreen_ && !anchor_minimized);
-}
-
-const gfx::FontList& BubbleDelegateView::GetTitleFontList() const {
-  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-  return rb.GetFontList(ui::ResourceBundle::MediumFont);
-}
-
-
-void BubbleDelegateView::UpdateColorsFromTheme(const ui::NativeTheme* theme) {
+void BubbleDialogDelegateView::UpdateColorsFromTheme(
+    const ui::NativeTheme* theme) {
   if (!color_explicitly_set_)
     color_ = theme->GetSystemColor(ui::NativeTheme::kColorId_BubbleBackground);
   set_background(Background::CreateSolidBackground(color()));
   BubbleFrameView* frame_view = GetBubbleFrameView();
   if (frame_view)
     frame_view->bubble_border()->set_background_color(color());
 }
 
-void BubbleDelegateView::HandleVisibilityChanged(Widget* widget, bool visible) {
+void BubbleDialogDelegateView::HandleVisibilityChanged(Widget* widget,
+                                                       bool visible) {
   if (widget == GetWidget() && anchor_widget() &&
       anchor_widget()->GetTopLevelWidget()) {
     if (visible)
       anchor_widget()->GetTopLevelWidget()->DisableInactiveRendering();
     else
       anchor_widget()->GetTopLevelWidget()->EnableInactiveRendering();
   }
 
   // Fire AX_EVENT_ALERT for bubbles marked as AX_ROLE_ALERT_DIALOG; this
   // instructs accessibility tools to read the bubble in its entirety rather
   // than just its title and initially focused view.  See
   // http://crbug.com/474622 for details.
   if (widget == GetWidget() && visible) {
     ui::AXViewState state;
     GetAccessibleState(&state);
     if (state.role == ui::AX_ROLE_ALERT_DIALOG)
       NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true);
   }
 }
 
 }  // namespace views