Make separator portable. Simpler than other native controls so no wrapper int...

views/controls/separator.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2009 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/controls/separator.h"
 
-#include "views/controls/native/native_view_host.h"
+#if defined(OS_LINUX)
+#include "views/controls/native_control_gtk.h"
+#elif defined(OS_WIN)
+#include "views/controls/native_control_win.h"
+#endif
+#include "views/widget/widget.h"
 
 namespace views {
 
-static const int kSeparatorSize = 2;
+#if defined(OS_WIN)
+class NativeSeparatorWin : public NativeControlWin {
+ public:
+  explicit NativeSeparatorWin(Separator* separator) : separator_(separator) {}
+  virtual ~NativeSeparatorWin() {}
+
+  // Overridden from NativeControlWin:
+  virtual void CreateNativeControl() {
+    HWND control_hwnd = CreateWindowEx(GetAdditionalExStyle(), L"STATIC", L"",
+                                       WS_CHILD | SS_ETCHEDHORZ | SS_SUNKEN,
+                                       0, 0, width(), height(),
+                                       separator_->GetWidget()->GetNativeView(),
+                                       NULL, NULL, NULL);
+    NativeControlCreated(control_hwnd);
+  }
+
+ private:
+  Separator* separator_;
+
+  DISALLOW_COPY_AND_ASSIGN(NativeSeparatorWin);
+};
+#elif defined(OS_LINUX)
+class NativeSeparatorGtk : public NativeControlGtk {
+ public:
+  explicit NativeSeparatorGtk(Separator* separator) : separator_(separator) {}
+  virtual ~NativeSeparatorGtk() {}
+
+  // Overridden from NativeSeparatorGtk:
+  virtual void CreateNativeControl() {
+    // TODO(port): create a separator widget and pass to NativeControlCreated.
+  }
+
+ private:
+  Separator* separator_;
+
+  DISALLOW_COPY_AND_ASSIGN(NativeSeparatorGtk);
+};
+#endif
+
+// static
+const char Separator::kViewClassName[] = "views/Separator";
+
+const int kSeparatorSize = 2;
 
 Separator::Separator() {
   SetFocusable(false);
 }
 
 Separator::~Separator() {
 }
 
-HWND Separator::CreateNativeControl(HWND parent_container) {
-  SetFixedHeight(kSeparatorSize, CENTER);
+////////////////////////////////////////////////////////////////////////////////
+// Separator, View overrides:
 
-  return ::CreateWindowEx(GetAdditionalExStyle(), L"STATIC", L"",
-                          WS_CHILD | SS_ETCHEDHORZ | SS_SUNKEN,
-                          0, 0, width(), height(),
-                          parent_container, NULL, NULL, NULL);
+gfx::Size Separator::GetPreferredSize() {
+  return gfx::Size(width(), kSeparatorSize);
 }
 
-LRESULT Separator::OnNotify(int w_param, LPNMHDR l_param) {
-  return 0;
+void Separator::Layout() {
+  if (native_wrapper_) {
+    native_wrapper_->SetBounds(0, 0, width(), height());
+    native_wrapper_->Layout();
+  }
 }
 
-gfx::Size Separator::GetPreferredSize() {
-  return gfx::Size(width(), fixed_height_);
+void Separator::ViewHierarchyChanged(bool is_add, View* parent,
+                                     View* child) {
+  if (is_add && !native_wrapper_ && GetWidget()) {
+    CreateNativeWrapper();
+    AddChildView(native_wrapper_);
+  }
+}
+
+std::string Separator::GetClassName() const {
+  return kViewClassName;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Separator, private:
+
+void Separator::CreateNativeWrapper() {
+#if defined(OS_WIN)
+  native_wrapper_ = new NativeSeparatorWin(this);
+#elif defined(OS_LINUX)
+  native_wrapper_ = new NativeSeparatorGtk(this);
+#endif
 }
 
 }  // namespace views