Add support for XFWM titlebar buttons.

chrome/browser/ui/gtk/titlebar_listener.cc

Index: chrome/browser/ui/gtk/titlebar_listener.cc
===================================================================
--- chrome/browser/ui/gtk/titlebar_listener.cc	(revision 0)
+++ chrome/browser/ui/gtk/titlebar_listener.cc	(revision 0)
@@ -0,0 +1,87 @@
+// 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 "chrome/browser/ui/gtk/titlebar_listener.h"
+
+#include "base/environment.h"
+#include "base/memory/singleton.h"
+#include "base/nix/xdg_util.h"
+#include "chrome/browser/ui/gtk/browser_titlebar.h"
+#include "chrome/browser/ui/gtk/xfwm_titlebar_listener.h"
+#include "ui/base/x/x11_util.h"
+
+#if defined(USE_GCONF)
+#include "chrome/browser/ui/gtk/gconf_titlebar_listener.h"
+#endif
+
+namespace {
+
+class DefaultTitlebarListener : public TitlebarListener::Delegate {
+ public:
+  DefaultTitlebarListener() {}
+
+ private:
+  // Refcounted.
+  ~DefaultTitlebarListener() {}
+
+  // TitlebarListener::Delegate implementation.
+  virtual bool Init() OVERRIDE {
+    return true;
+  }
+
+  virtual std::string GetCurrentValue() OVERRIDE {
+    return BrowserTitlebar::kDefaultButtonString;
+  }
+
+  DISALLOW_COPY_AND_ASSIGN(DefaultTitlebarListener);
+};
+
+}  // namespace
+
+TitlebarListener::TitlebarListener() {
+  scoped_ptr<base::Environment> env(base::Environment::Create());
+  base::nix::DesktopEnvironment desktop =
+      base::nix::GetDesktopEnvironment(env.get());
+#if defined(USE_GCONF)
+  if (desktop == base::nix::DESKTOP_ENVIRONMENT_GNOME ||
+      desktop == base::nix::DESKTOP_ENVIRONMENT_UNITY ||
+      ui::GuessWindowManager() == ui::WM_METACITY) {
+    delegate_ = new GConfTitlebarListener;
+  }
+#endif
+  if (desktop == base::nix::DESKTOP_ENVIRONMENT_XFCE)
+    delegate_ = new XfwmTitlebarListener;
+
+  // See if the existing |delegate_| initializes correctly.
+  if (delegate_.get() && delegate_->Init())
+    return;
+
+  // No existing |delegate_| or it did not initialize correctly.
+  // Fallback to DefaultTitlebarListener.
+  delegate_ = new DefaultTitlebarListener;
+}
+
+TitlebarListener::~TitlebarListener() {}
+
+// static
+TitlebarListener* TitlebarListener::GetInstance() {
+  return Singleton<TitlebarListener>::get();
+}
+
+void TitlebarListener::SetTitlebarButtons(BrowserTitlebar* titlebar) {
+  titlebars_.insert(titlebar);
+  titlebar->BuildButtons(delegate_->GetCurrentValue());
+}
+
+void TitlebarListener::RemoveObserver(BrowserTitlebar* titlebar) {
+  titlebars_.erase(titlebar);
+}
+
+void TitlebarListener::SetTitleBars(const std::string& title_value) {
+  for (std::set<BrowserTitlebar*>::const_iterator it = titlebars_.begin();
+       it != titlebars_.end();
+       ++it) {
+    (*it)->BuildButtons(title_value);
+  }
+}
Property changes on: chrome/browser/ui/gtk/titlebar_listener.cc
___________________________________________________________________
Added: svn:eol-style
   + LF