Index: win8/metro_driver/ime/text_service_delegate.h |
diff --git a/win8/metro_driver/ime/text_service_delegate.h b/win8/metro_driver/ime/text_service_delegate.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..296ec2a856aeca5ece0e7a0e36d182835c2f609e |
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+++ b/win8/metro_driver/ime/text_service_delegate.h |
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+// Copyright (c) 2013 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. |
+ |
+#ifndef WIN8_METRO_DRIVER_IME_TEXT_SERVICE_DELEGATE_H_ |
+#define WIN8_METRO_DRIVER_IME_TEXT_SERVICE_DELEGATE_H_ |
+ |
+#include <vector> |
+ |
+#include "base/basictypes.h" |
+#include "base/strings/string16.h" |
+ |
+namespace metro_viewer { |
+struct UnderlineInfo; |
+} |
+ |
+namespace metro_driver { |
+ |
+// A delegate which works together with virtual text service. |
+// Objects that implement this delegate will receive notifications from a |
+// virtual text service whenever an IME updates the composition or commits text. |
+class TextServiceDelegate { |
+ public: |
+ virtual ~TextServiceDelegate() {} |
+ |
+ // Called when on-going composition is updated. An empty |text| represents |
+ // that the composition is canceled. |
+ virtual void OnCompositionChanged( |
+ const string16& text, |
+ int32 selection_start, |
+ int32 selection_end, |
+ const std::vector<metro_viewer::UnderlineInfo>& underlines) = 0; |
+ |
+ // Called when |text| is committed. |
+ virtual void OnTextCommitted(const string16& text) = 0; |
+}; |
+ |
+} // namespace metro_driver |
+ |
+#endif // WIN8_METRO_DRIVER_IME_TEXT_SERVICE_DELEGATE_H_ |