ozone: Add OzoneWindowFactory & OzoneWindow

ui/ozone/window/window_factory_ozone.cc

+// Copyright 2014 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 "base/basictypes.h"
+#include "base/logging.h"
+#include "base/strings/stringprintf.h"
+#include "ui/ozone/window/ozone_window.h"
+#include "ui/ozone/window/window_factory_ozone.h"
+
+namespace ui {
+
+namespace {
+
+// A default window that can be resized.
+class DefaultOzoneWindow : public OzoneWindow {
+ public:
+  DefaultOzoneWindow(const gfx::Rect& bounds) : bounds_(bounds) {}
+  virtual ~DefaultOzoneWindow() {}
+
+  // OzoneWindow:
+  virtual gfx::Rect GetBounds() { return bounds_; }
+  virtual bool Resize(const gfx::Rect& bounds) {
+    bounds_ = bounds;
+    return true;
+  }
+
+ private:
+  gfx::Rect bounds_;
+};
+}
+
+// static
+WindowFactoryOzone* WindowFactoryOzone::impl_ = NULL;
+
+WindowFactoryOzone::WindowFactoryOzone() {}
+
+WindowFactoryOzone::~WindowFactoryOzone() {}
+
+WindowFactoryOzone* WindowFactoryOzone::GetInstance() {
+  CHECK(impl_) << "No WindowFactoryOzone implementation set.";
+  return impl_;
+}
+
+void WindowFactoryOzone::SetInstance(WindowFactoryOzone* impl) { impl_ = impl; }
+
+scoped_ptr<OzoneWindow> WindowFactoryOzone::CreateWindow(
+    const gfx::Rect& bounds) {
+  return make_scoped_ptr<OzoneWindow>(new DefaultOzoneWindow(bounds));
+}
+
+}  // namespace ui