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views/layout/center_layout.cc

Index: views/layout/center_layout.cc
diff --git a/views/layout/center_layout.cc b/views/layout/center_layout.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f110f5dea81d8641114e387983df27a8a3b70856
--- /dev/null
+++ b/views/layout/center_layout.cc
@@ -0,0 +1,59 @@
+// 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/layout/center_layout.h"
+
+#include "base/logging.h"
+
+namespace views {
+
+////////////////////////////////////////////////////////////////////////////////
+// CenterLayout, public:
+
+CenterLayout::CenterLayout() {
+}
+
+CenterLayout::~CenterLayout() {
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// CenterLayout, LayoutManager implementation:
+
+void CenterLayout::Layout(View* host) {
+  if (!host->has_children())
+    return;
+
+  DCHECK_EQ(1, host->child_count());
+  View* child = host->child_at(0);
+  gfx::Size size(child->GetPreferredSize());
+  gfx::Rect child_area(host->GetLocalBounds());
+  child_area.Inset(host->GetInsets());
+  LOG(INFO) << "Child Area: " << child_area;

[Peter Kasting, 2011/08/30 19:58:12]

Nit: Are these LOGs still necessary?  If so, use VLOG(1) instead of LOG(INFO).

[msw, 2011/08/31 00:54:23]

Removed.

+  size.set_width(std::min(size.width(), child_area.width()));
+  int child_height = child->GetHeightForWidth(size.width());
+  size.set_height(std::min(child_height, child_area.height()));
+  gfx::Point origin((child_area.width() - size.width()) / 2,
+                    (child_area.height() - size.height()) / 2);
+  child->SetBoundsRect(gfx::Rect(origin, size));
+  LOG(INFO) << "POsition: " << child->x() << ", " << child->y();
+  LOG(INFO) << "Size: " << child->width() << ", " << child->height();
+}
+
+gfx::Size CenterLayout::GetPreferredSize(View* host) {
+  if (!host->has_children())
+    return gfx::Size();
+
+  DCHECK_EQ(1, host->child_count());
+  return host->child_at(0)->GetPreferredSize();
+}
+
+int CenterLayout::GetPreferredHeightForWidth(View* host, int width) {
+  if (!host->has_children())
+    LayoutManager::GetPreferredHeightForWidth(host, width);
+
+  DCHECK_EQ(1, host->child_count());
+  return host->child_at(0)->GetHeightForWidth(width);
+}
+
+} // namespace views