Adds a modified copy of talk/base to webrtc/base. It is the first step in migrating talk/base to webrtc/base.

BUG=N/A
R=andrew@webrtc.org, wu@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/12199004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6107 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/base/windowpickerfactory.h

@@ -0,0 +1,59 @@
+/*
+ *  Copyright 2010 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_BASE_WINDOWPICKERFACTORY_H_
+#define WEBRTC_BASE_WINDOWPICKERFACTORY_H_
+
+#if defined(WEBRTC_WIN)
+#include "webrtc/base/win32windowpicker.h"
+#elif defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
+#include "webrtc/base/macutils.h"
+#include "webrtc/base/macwindowpicker.h"
+#elif defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID)
+#include "webrtc/base/linuxwindowpicker.h"
+#endif
+
+#include "webrtc/base/windowpicker.h"
+
+namespace rtc {
+
+class WindowPickerFactory {
+ public:
+  virtual ~WindowPickerFactory() {}
+
+  // Instance method for dependency injection.
+  virtual WindowPicker* Create() {
+    return CreateWindowPicker();
+  }
+
+  static WindowPicker* CreateWindowPicker() {
+#if defined(WEBRTC_WIN)
+    return new Win32WindowPicker();
+#elif defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
+    return new MacWindowPicker();
+#elif defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID) && defined(HAVE_X11)
+    return new LinuxWindowPicker();
+#else
+    return NULL;
+#endif
+  }
+
+  static bool IsSupported() {
+#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
+    return GetOSVersionName() >= kMacOSLeopard;
+#else
+    return true;
+#endif
+  }
+};
+
+}  // namespace rtc
+
+#endif  // WEBRTC_BASE_WINDOWPICKERFACTORY_H_