Remove usages of RootView from View by moving relevant RootView API methods t...

views/widget/widget_win.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_win.h"
 
 #include <dwmapi.h>
 
 #include "base/string_util.h"
 #include "base/win/windows_version.h"
+#include "ui/base/dragdrop/drag_drop_types.h"
+#include "ui/base/dragdrop/drag_source.h"
+#include "ui/base/dragdrop/os_exchange_data.h"
+#include "ui/base/dragdrop/os_exchange_data_provider_win.h"
 #include "ui/base/keycodes/keyboard_code_conversion_win.h"
 #include "ui/base/l10n/l10n_util_win.h"
 #include "ui/base/system_monitor/system_monitor.h"
 #include "ui/base/theme_provider.h"
 #include "ui/base/view_prop.h"
 #include "ui/base/win/hwnd_util.h"
 #include "ui/gfx/canvas_skia.h"
 #include "ui/gfx/native_theme_win.h"
 #include "ui/gfx/path.h"
 #include "views/accessibility/view_accessibility.h"
 #include "views/controls/native_control_win.h"
 #include "views/focus/accelerator_handler.h"
 #include "views/focus/focus_util_win.h"
+#include "views/focus/view_storage.h"
 #include "views/views_delegate.h"
 #include "views/widget/aero_tooltip_manager.h"
 #include "views/widget/child_window_message_processor.h"
 #include "views/widget/default_theme_provider.h"
 #include "views/widget/drop_target_win.h"
 #include "views/widget/root_view.h"
 #include "views/widget/widget_delegate.h"
 #include "views/widget/widget_utils.h"
 #include "views/window/window_win.h"
 
@@ skipping 42 matching lines @@
       use_layered_buffer_(true),
       layered_alpha_(255),
       delete_on_destroy_(true),
       can_update_layered_window_(true),
       last_mouse_event_was_move_(false),
       is_mouse_down_(false),
       is_window_(false),
       restore_focus_when_enabled_(false),
       delegate_(NULL),
       accessibility_view_events_index_(-1),
-      accessibility_view_events_(kMaxAccessibilityViewEvents) {
+      accessibility_view_events_(kMaxAccessibilityViewEvents),
+      dragged_view_(NULL) {
 }
 
 WidgetWin::~WidgetWin() {
 }
 
 // static
 WidgetWin* WidgetWin::GetWidget(HWND hwnd) {
   // TODO(jcivelli): http://crbug.com/44499 We need a way to test that hwnd is
   //                 associated with a WidgetWin (it might be a pure
   //                 WindowImpl).
@@ skipping 389 matching lines @@
     return widget->GetFocusManager();
   }
   return NULL;
 }
 
 void WidgetWin::ViewHierarchyChanged(bool is_add, View *parent,
                                      View *child) {
   if (drop_target_.get())
     drop_target_->ResetTargetViewIfEquals(child);
 
-  if (!is_add)
+  if (!is_add) {
     ClearAccessibilityViewEvent(child);
+
+    if (child == dragged_view_)
+      dragged_view_ = NULL;
+
+    FocusManager* focus_manager = GetFocusManager();
+    if (focus_manager)
+      focus_manager->ViewRemoved(parent, child);
+    ViewStorage::GetInstance()->ViewRemoved(parent, child);
+  }
 }
 
-
 bool WidgetWin::ContainsNativeView(gfx::NativeView native_view) {
   if (hwnd() == native_view)
     return true;
 
   // Traverse the set of parents of the given view to determine if native_view
   // is a descendant of this window.
   HWND parent_window = ::GetParent(native_view);
   HWND previous_child = native_view;
   while (parent_window && parent_window != previous_child) {
     if (hwnd() == parent_window)
       return true;
     previous_child = parent_window;
     parent_window = ::GetParent(parent_window);
   }
 
   // A views::NativeViewHost may contain the given native view, without it being
   // an ancestor of hwnd(), so traverse the views::View hierarchy looking for
   // such views.
   return GetRootView()->ContainsNativeView(native_view);
 }
 
+void WidgetWin::StartDragForViewFromMouseEvent(
+    View* view,
+    const ui::OSExchangeData& data,
+    int operation) {
+  // NOTE: view may be null.
+  dragged_view_ = view;
+  scoped_refptr<ui::DragSource> drag_source(new ui::DragSource);
+  DWORD effects;
+  DoDragDrop(ui::OSExchangeDataProviderWin::GetIDataObject(data), drag_source,
+             ui::DragDropTypes::DragOperationToDropEffect(operation), &effects);
+  // If the view is removed during the drag operation, drag_view_ is set to
+  // NULL.
+  if (view && dragged_view_ == view) {
+    dragged_view_ = NULL;
+    view->OnDragDone();
+  }
+}
+
+View* WidgetWin::GetDraggedView() {
+  return dragged_view_;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // MessageLoop::Observer
 
 void WidgetWin::WillProcessMessage(const MSG& msg) {
 }
 
 void WidgetWin::DidProcessMessage(const MSG& msg) {
   if (root_view_->NeedsPainting(true))
     PaintNow(root_view_->GetScheduledPaintRect());
 }
@@ skipping 864 matching lines @@
 Widget* Widget::GetWidgetFromNativeWindow(gfx::NativeWindow native_window) {
   return Widget::GetWidgetFromNativeView(native_window);
 }
 
 // static
 void Widget::NotifyLocaleChanged() {
   NOTIMPLEMENTED();
 }
 
 }  // namespace views