1 files changed, 148 insertions, 0 deletions
diff --git a/chrome/views/controls/button/native_button2.cc b/chrome/views/controls/button/native_button2.cc
new file mode 100644
index 0000000..5478cdd
--- /dev/null
+++ b/chrome/views/controls/button/native_button2.cc
@@ -0,0 +1,148 @@
+// Copyright (c) 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 "chrome/views/controls/button/native_button2.h"
+
+#include "base/logging.h"
+#include "chrome/common/l10n_util.h"
+
+namespace views {
+
+static int kButtonBorderHWidth = 8;
+
+// static
+const char NativeButton2::kViewClassName[] = "chrome/views/NativeButton";
+
+////////////////////////////////////////////////////////////////////////////////
+// NativeButton, public:
+
+NativeButton2::NativeButton2(ButtonListener* listener)
+    : Button(listener),
+      native_wrapper_(NULL),
+      is_default_(false),
+      ignore_minimum_size_(false),
+      minimum_size_(50, 14) {
+  // The min size in DLUs comes from
+  // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnwue/html/ch14e.asp
+  InitBorder();
+}
+
+NativeButton2::NativeButton2(ButtonListener* listener,
+                             const std::wstring& label)
+    : Button(listener),
+      native_wrapper_(NULL),
+      label_(label),
+      is_default_(false),
+      ignore_minimum_size_(false),
+      minimum_size_(50, 14) {
+  // The min size in DLUs comes from
+  // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnwue/html/ch14e.asp
+  InitBorder();
+}
+
+NativeButton2::~NativeButton2() {
+}
+
+void NativeButton2::SetLabel(const std::wstring& label) {
+  label_ = label;
+
+  // Even though we create a flipped HWND for a native button when the locale
+  // is right-to-left, Windows does not render text for the button using a
+  // right-to-left context (perhaps because the parent HWND is not flipped).
+  // The result is that RTL strings containing punctuation marks are not
+  // displayed properly. For example, the string "...ABC" (where A, B and C are
+  // Hebrew characters) is displayed as "ABC..." which is incorrect.
+  //
+  // In order to overcome this problem, we mark the localized Hebrew strings as
+  // RTL strings explicitly (using the appropriate Unicode formatting) so that
+  // Windows displays the text correctly regardless of the HWND hierarchy.
+  std::wstring localized_label;
+  if (l10n_util::AdjustStringForLocaleDirection(label_, &localized_label))
+    label_ = localized_label;
+
+  if (native_wrapper_)
+    native_wrapper_->UpdateLabel();
+}
+
+void NativeButton2::SetIsDefault(bool is_default) {
+  if (is_default == is_default_)
+    return;
+  is_default_ = is_default;
+  if (native_wrapper_)
+    native_wrapper_->UpdateDefault();
+}
+
+void NativeButton2::ButtonPressed() {
+  // TODO(beng): obtain mouse event flags for native buttons someday.
+  NotifyClick(mouse_event_flags());
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// NativeButton, View overrides:
+
+gfx::Size NativeButton2::GetPreferredSize() {
+  gfx::Size sz = native_wrapper_->GetView()->GetPreferredSize();
+
+  // Add in the border size. (Do this before clamping the minimum size in case
+  // that clamping causes an increase in size that would include the borders.
+  gfx::Insets border = GetInsets();
+  sz.set_width(sz.width() + border.left() + border.right());
+  sz.set_height(sz.height() + border.top() + border.bottom());
+
+  // Clamp the size returned to at least the minimum size.
+  if (!ignore_minimum_size_) {
+    if (minimum_size_.width()) {
+      int min_width = font_.horizontal_dlus_to_pixels(minimum_size_.width());
+      sz.set_width(std::max(static_cast<int>(sz.width()), min_width));
+    }
+    if (minimum_size_.height()) {
+      int min_height = font_.vertical_dlus_to_pixels(minimum_size_.height());
+      sz.set_height(std::max(static_cast<int>(sz.height()), min_height));
+    }
+  }
+
+  return sz;
+}
+
+void NativeButton2::Layout() {
+  if (native_wrapper_) {
+    native_wrapper_->GetView()->SetBounds(0, 0, width(), height());
+    native_wrapper_->GetView()->Layout();
+  }
+}
+
+void NativeButton2::ViewHierarchyChanged(bool is_add, View* parent,
+                                         View* child) {
+  if (is_add && !native_wrapper_ && GetWidget()) {
+    CreateWrapper();
+    AddChildView(native_wrapper_->GetView());
+  }
+}
+
+std::string NativeButton2::GetClassName() const {
+  return kViewClassName;
+}
+
+bool NativeButton2::AcceleratorPressed(const Accelerator& accelerator) {
+  if (IsEnabled()) {
+    NotifyClick(mouse_event_flags());
+    return true;
+  }
+  return false;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// NativeButton, protected:
+
+void NativeButton2::CreateWrapper() {
+  native_wrapper_ = NativeButtonWrapper::CreateNativeButtonWrapper(this);
+  native_wrapper_->UpdateLabel();
+}
+
+void NativeButton2::InitBorder() {
+  set_border(Border::CreateEmptyBorder(0, kButtonBorderHWidth, 0,
+                                       kButtonBorderHWidth));
+}
+
+}  // namespace views