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ui/views/controls/native/native_view_host.cc

Index: ui/views/controls/native/native_view_host.cc
diff --git a/ui/views/controls/native/native_view_host.cc b/ui/views/controls/native/native_view_host.cc
deleted file mode 100644
index d706fc3dc4a8c4ebd8e1d6b0b86828aa4625aa86..0000000000000000000000000000000000000000
--- a/ui/views/controls/native/native_view_host.cc
+++ /dev/null
@@ -1,223 +0,0 @@
-// 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/controls/native/native_view_host.h"
-
-#include "base/logging.h"
-#include "ui/base/cursor/cursor.h"
-#include "ui/gfx/canvas.h"
-#include "ui/views/accessibility/native_view_accessibility.h"
-#include "ui/views/controls/native/native_view_host_wrapper.h"
-#include "ui/views/widget/widget.h"
-
-namespace views {
-
-// static
-const char NativeViewHost::kViewClassName[] = "NativeViewHost";
-const char kWidgetNativeViewHostKey[] = "WidgetNativeViewHost";
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeViewHost, public:
-
-NativeViewHost::NativeViewHost()
-    : native_view_(NULL),
-      fast_resize_(false),
-      fast_resize_at_last_layout_(false),
-      focus_view_(NULL) {
-}
-
-NativeViewHost::~NativeViewHost() {
-}
-
-void NativeViewHost::Attach(gfx::NativeView native_view) {
-  DCHECK(native_view);
-  DCHECK(!native_view_);
-  native_view_ = native_view;
-  // If set_focus_view() has not been invoked, this view is the one that should
-  // be seen as focused when the native view receives focus.
-  if (!focus_view_)
-    focus_view_ = this;
-  native_wrapper_->AttachNativeView();
-  Layout();
-
-  Widget* widget = Widget::GetWidgetForNativeView(native_view);
-  if (widget)
-    widget->SetNativeWindowProperty(kWidgetNativeViewHostKey, this);
-}
-
-void NativeViewHost::Detach() {
-  Detach(false);
-}
-
-void NativeViewHost::SetPreferredSize(const gfx::Size& size) {
-  preferred_size_ = size;
-  PreferredSizeChanged();
-}
-
-void NativeViewHost::NativeViewDestroyed() {
-  // Detach so we can clear our state and notify the native_wrapper_ to release
-  // ref on the native view.
-  Detach(true);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeViewHost, View overrides:
-
-gfx::Size NativeViewHost::GetPreferredSize() const {
-  return preferred_size_;
-}
-
-void NativeViewHost::Layout() {
-  if (!native_view_ || !native_wrapper_.get())
-    return;
-
-  gfx::Rect vis_bounds = GetVisibleBounds();
-  bool visible = !vis_bounds.IsEmpty();
-
-  if (visible && !fast_resize_) {
-    if (vis_bounds.size() != size()) {
-      // Only a portion of the Widget is really visible.
-      int x = vis_bounds.x();
-      int y = vis_bounds.y();
-      native_wrapper_->InstallClip(x, y, vis_bounds.width(),
-                                   vis_bounds.height());
-    } else if (native_wrapper_->HasInstalledClip()) {
-      // The whole widget is visible but we installed a clip on the widget,
-      // uninstall it.
-      native_wrapper_->UninstallClip();
-    }
-  }
-
-  if (visible) {
-    // Since widgets know nothing about the View hierarchy (they are direct
-    // children of the Widget that hosts our View hierarchy) they need to be
-    // positioned in the coordinate system of the Widget, not the current
-    // view.  Also, they should be positioned respecting the border insets
-    // of the native view.
-    gfx::Rect local_bounds = ConvertRectToWidget(GetContentsBounds());
-    native_wrapper_->ShowWidget(local_bounds.x(), local_bounds.y(),
-                                local_bounds.width(),
-                                local_bounds.height());
-  } else {
-    native_wrapper_->HideWidget();
-  }
-  fast_resize_at_last_layout_ = visible && fast_resize_;
-}
-
-void NativeViewHost::OnPaint(gfx::Canvas* canvas) {
-  // Paint background if there is one. NativeViewHost needs to paint
-  // a background when it is hosted in a TabbedPane. For Gtk implementation,
-  // NativeTabbedPaneGtk uses a NativeWidgetGtk as page container and because
-  // NativeWidgetGtk hook "expose" with its root view's paint, we need to
-  // fill the content. Otherwise, the tab page's background is not properly
-  // cleared. For Windows case, it appears okay to not paint background because
-  // we don't have a container window in-between. However if you want to use
-  // customized background, then this becomes necessary.
-  OnPaintBackground(canvas);
-
-  // The area behind our window is black, so during a fast resize (where our
-  // content doesn't draw over the full size of our native view, and the native
-  // view background color doesn't show up), we need to cover that blackness
-  // with something so that fast resizes don't result in black flash.
-  //
-  // It would be nice if this used some approximation of the page's
-  // current background color.
-  if (native_wrapper_->HasInstalledClip())
-    canvas->FillRect(GetLocalBounds(), SK_ColorWHITE);
-}
-
-void NativeViewHost::VisibilityChanged(View* starting_from, bool is_visible) {
-  Layout();
-}
-
-bool NativeViewHost::GetNeedsNotificationWhenVisibleBoundsChange() const {
-  // The native widget is placed relative to the root. As such, we need to
-  // know when the position of any ancestor changes, or our visibility relative
-  // to other views changed as it'll effect our position relative to the root.
-  return true;
-}
-
-void NativeViewHost::OnVisibleBoundsChanged() {
-  Layout();
-}
-
-void NativeViewHost::ViewHierarchyChanged(
-    const ViewHierarchyChangedDetails& details) {
-  views::Widget* this_widget = GetWidget();
-
-  // A non-NULL |details.move_view| indicates a move operation i.e. |this| is
-  // is being reparented.  If the previous and new parents belong to the same
-  // widget, don't remove |this| from the widget.  This saves resources from
-  // removing from widget and immediately followed by adding to widget; in
-  // particular, there wouldn't be spurious visibilitychange events for web
-  // contents of |WebView|.
-  if (details.move_view && this_widget &&
-      details.move_view->GetWidget() == this_widget) {
-    return;
-  }
-
-  if (details.is_add && this_widget) {
-    if (!native_wrapper_.get())
-      native_wrapper_.reset(NativeViewHostWrapper::CreateWrapper(this));
-    native_wrapper_->AddedToWidget();
-  } else if (!details.is_add) {
-    native_wrapper_->RemovedFromWidget();
-  }
-}
-
-const char* NativeViewHost::GetClassName() const {
-  return kViewClassName;
-}
-
-void NativeViewHost::OnFocus() {
-  native_wrapper_->SetFocus();
-  NotifyAccessibilityEvent(ui::AX_EVENT_FOCUS, true);
-}
-
-gfx::NativeViewAccessible NativeViewHost::GetNativeViewAccessible() {
-  if (native_wrapper_.get()) {
-    gfx::NativeViewAccessible accessible_view =
-        native_wrapper_->GetNativeViewAccessible();
-    if (accessible_view)
-      return accessible_view;
-  }
-
-  return View::GetNativeViewAccessible();
-}
-
-gfx::NativeCursor NativeViewHost::GetCursor(const ui::MouseEvent& event) {
-  return native_wrapper_->GetCursor(event.x(), event.y());
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeViewHost, private:
-
-void NativeViewHost::Detach(bool destroyed) {
-  if (native_view_) {
-    if (!destroyed) {
-      Widget* widget = Widget::GetWidgetForNativeView(native_view_);
-      if (widget)
-        widget->SetNativeWindowProperty(kWidgetNativeViewHostKey, NULL);
-      ClearFocus();
-    }
-    native_wrapper_->NativeViewDetaching(destroyed);
-    native_view_ = NULL;
-  }
-}
-
-void NativeViewHost::ClearFocus() {
-  FocusManager* focus_manager = GetFocusManager();
-  if (!focus_manager || !focus_manager->GetFocusedView())
-    return;
-
-  Widget::Widgets widgets;
-  Widget::GetAllChildWidgets(native_view(), &widgets);
-  for (Widget::Widgets::iterator i = widgets.begin(); i != widgets.end(); ++i) {
-    focus_manager->ViewRemoved((*i)->GetRootView());
-    if (!focus_manager->GetFocusedView())
-      return;
-  }
-}
-
-}  // namespace views