Index: content/common/input/input_event.h |
diff --git a/content/common/input/input_event.h b/content/common/input/input_event.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..10341de56dc0324b5ba5affd73c67ebc57187394 |
--- /dev/null |
+++ b/content/common/input/input_event.h |
@@ -0,0 +1,60 @@ |
+// 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 CONTENT_COMMON_INPUT_INPUT_EVENT_H_ |
+#define CONTENT_COMMON_INPUT_INPUT_EVENT_H_ |
+ |
+#include "base/basictypes.h" |
+#include "base/memory/scoped_ptr.h" |
+#include "content/common/content_export.h" |
+ |
+namespace content { |
+ |
+// An id'ed event that carries a specific input payload. |
+class CONTENT_EXPORT InputEvent { |
+ public: |
+ // Input data carried by the InputEvent. |
+ class CONTENT_EXPORT Payload { |
+ public: |
+ enum Type { |
+ IPC_MESSAGE, |
+ WEB_INPUT_EVENT, |
+ PAYLOAD_TYPE_MAX = WEB_INPUT_EVENT |
+ }; |
+ virtual ~Payload() {} |
+ virtual Type GetType() const = 0; |
+ }; |
+ |
+ // A valid InputEvent has a non-zero |id| and a non-NULL |payload|. |
+ static scoped_ptr<InputEvent> Create(int64 id, scoped_ptr<Payload> payload); |
+ |
+ template <typename PayloadType> |
+ static scoped_ptr<InputEvent> Create(int64 id, |
+ scoped_ptr<PayloadType> payload) { |
+ return Create(id, payload.template PassAs<Payload>()); |
+ } |
+ |
+ InputEvent(); |
+ virtual ~InputEvent(); |
+ |
+ // Returns true if the initialized InputEvent is |valid()|, false otherwise. |
+ bool Initialize(int64 id, scoped_ptr<Payload> payload); |
+ |
+ int64 id() const { return id_; } |
+ const Payload* payload() const { return payload_.get(); } |
+ bool valid() const { return id() && payload(); } |
+ |
+ protected: |
+ InputEvent(int64 id, scoped_ptr<Payload> payload); |
+ |
+ private: |
+ int64 id_; |
+ scoped_ptr<Payload> payload_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(InputEvent); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_COMMON_INPUT_INPUT_EVENT_H_ |