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Unified Diff: content/common/input/input_param_traits.h

Issue 19624005: Add InputEvent and EventPacket types for batched input delivery (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Win export fix Created 7 years, 3 months ago
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Index: content/common/input/input_param_traits.h
diff --git a/content/common/input/input_param_traits.h b/content/common/input/input_param_traits.h
new file mode 100644
index 0000000000000000000000000000000000000000..5b4290a2bcbdab24a70bdac488b6ee8695b51bd9
--- /dev/null
+++ b/content/common/input/input_param_traits.h
@@ -0,0 +1,81 @@
+// 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.
+
+// This file defines IPC::ParamTraits<> specializations for several
+// input-related types that require manual serialiation code.
+
+#ifndef CONTENT_COMMON_INPUT_INPUT_PARAM_TRAITS_H_
+#define CONTENT_COMMON_INPUT_INPUT_PARAM_TRAITS_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "content/common/content_param_traits_macros.h"
+#include "content/common/input/event_packet.h"
+#include "content/common/input/input_event.h"
+#include "content/common/input/web_input_event_payload.h"
+
+namespace IPC {
+
+// TODO(jdduke): There should be a common copy of this utility somewhere...
+// Move or remove appropriately.
+template <class P>
+struct ParamTraits<scoped_ptr<P> > {
+ typedef scoped_ptr<P> param_type;
+ static void Write(Message* m, const param_type& p) {
+ bool valid = !!p;
+ WriteParam(m, valid);
+ if (valid)
+ WriteParam(m, *p);
+ }
+ static bool Read(const Message* m, PickleIterator* iter, param_type* r) {
+ bool valid = false;
+ if (!ReadParam(m, iter, &valid))
+ return false;
+
+ if (!valid) {
+ r->reset();
+ return true;
+ }
+
+ param_type temp(new P());
+ if (!ReadParam(m, iter, temp.get()))
+ return false;
+
+ r->swap(temp);
+ return true;
+ }
+ static void Log(const param_type& p, std::string* l) {
+ if (p)
+ LogParam(*p, l);
+ else
+ l->append("NULL");
+ }
+};
+
+template <>
+struct CONTENT_EXPORT ParamTraits<content::EventPacket> {
+ typedef content::EventPacket param_type;
+ static void Write(Message* m, const param_type& p);
+ static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+ static void Log(const param_type& p, std::string* l);
+};
+
+template <>
+struct CONTENT_EXPORT ParamTraits<content::InputEvent> {
+ typedef content::InputEvent param_type;
+ static void Write(Message* m, const param_type& p);
+ static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+ static void Log(const param_type& p, std::string* l);
+};
+
+template <>
+struct CONTENT_EXPORT ParamTraits<content::WebInputEventPayload> {
+ typedef content::WebInputEventPayload param_type;
+ static void Write(Message* m, const param_type& p);
+ static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+ static void Log(const param_type& p, std::string* l);
+};
+
+} // namespace IPC
+
+#endif // CONTENT_COMMON_INPUT_INPUT_PARAM_TRAITS_H_
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