1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef UI_BASE_IME_LINUX_LINUX_INPUT_METHOD_CONTEXT_FACTORY_H_ 6 #define UI_BASE_IME_LINUX_LINUX_INPUT_METHOD_CONTEXT_FACTORY_H_ 7 8 #include "base/memory/scoped_ptr.h" 9 #include "ui/base/ui_base_export.h" 10 11 namespace ui { 12 13 class LinuxInputMethodContext; 14 class LinuxInputMethodContextDelegate; 15 16 // An interface that lets different Linux platforms override the 17 // CreateInputMethodContext function declared here to return native input method 18 // contexts. 19 class UI_BASE_EXPORT LinuxInputMethodContextFactory { 20 public: 21 // Returns the current active factory or NULL. 22 static const LinuxInputMethodContextFactory* instance(); 23 24 // Sets the dynamically loaded singleton that creates an input method context. 25 // This pointer is not owned, and if this method is called a second time, 26 // the first instance is not deleted. 27 static void SetInstance(const LinuxInputMethodContextFactory* instance); 28 29 virtual ~LinuxInputMethodContextFactory() {} 30 31 // Returns a native input method context. 32 virtual scoped_ptr<LinuxInputMethodContext> CreateInputMethodContext( 33 LinuxInputMethodContextDelegate* delegate) const = 0; 34 }; 35 36 } // namespace ui 37 38 #endif // UI_BASE_IME_LINUX_LINUX_INPUT_METHOD_CONTEXT_FACTORY_H_ 39
