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Unified Diff: content/public/browser/presentation_session_message.h

Issue 1118103002: Implements ListenForSessionMessages in PresentationServiceImpl; uses Swap to avoid copying large da… (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 7 months ago
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Index: content/public/browser/presentation_session_message.h
diff --git a/content/public/browser/presentation_session_message.h b/content/public/browser/presentation_session_message.h
new file mode 100644
index 0000000000000000000000000000000000000000..54f65fcc84e5360a583e11e20454f525e80dced2
--- /dev/null
+++ b/content/public/browser/presentation_session_message.h
@@ -0,0 +1,52 @@
+// Copyright 2015 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_PUBLIC_BROWSER_PRESENTATION_SESSION_MESSAGE_H_
+#define CONTENT_PUBLIC_BROWSER_PRESENTATION_SESSION_MESSAGE_H_
+
+#include <string>
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+#include "content/common/content_export.h"
+
+namespace content {
+
+// Represents a presentation session message.
+// If this is a text message, |data| is null; otherwise, |message| is null.
+// Empty messages are allowed.
+struct CONTENT_EXPORT PresentationSessionMessage {
+ public:
+ ~PresentationSessionMessage();
+
+ // Creates string message, which takes the ownership of |message|.
+ static scoped_ptr<PresentationSessionMessage> CreateStringMessage(
+ const std::string& presentation_url,
+ const std::string& presentation_id,
+ scoped_ptr<std::string> message);
+
+ // Creates binary message, which takes the ownership of |data|.
+ static scoped_ptr<PresentationSessionMessage> CreateBinaryMessage(
+ const std::string& presentation_url,
+ const std::string& presentation_id,
+ scoped_ptr<std::vector<uint8_t>> data);
+
+ bool is_binary() const;
+ std::string presentation_url;
+ std::string presentation_id;
+ scoped_ptr<std::string> message;
+ scoped_ptr<std::vector<uint8_t>> data;
+
+ private:
+ PresentationSessionMessage(const std::string& presentation_url,
+ const std::string& presentation_id,
+ scoped_ptr<std::string> message);
+ PresentationSessionMessage(const std::string& presentation_url,
+ const std::string& presentation_id,
+ scoped_ptr<std::vector<uint8_t>> data);
+};
+
+} // namespace content
+
+#endif // CONTENT_PUBLIC_BROWSER_PRESENTATION_SESSION_H_
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