1 // Copyright (c) 2012 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 CONTENT_CHILD_NPAPI_PLUGIN_STREAM_URL_H_ 6 #define CONTENT_CHILD_NPAPI_PLUGIN_STREAM_URL_H_ 7 8 #include <vector> 9 10 #include "content/child/npapi/plugin_stream.h" 11 #include "content/child/npapi/webplugin.h" 12 #include "url/gurl.h" 13 14 namespace content { 15 16 class PluginInstance; 17 18 // A NPAPI Stream based on a URL. 19 class PluginStreamUrl : public PluginStream, 20 public WebPluginResourceClient { 21 public: 22 // Create a new stream for sending to the plugin by fetching 23 // a URL. If notifyNeeded is set, then the plugin will be notified 24 // when the stream has been fully sent to the plugin. Initialize 25 // must be called before the object is used. 26 PluginStreamUrl(unsigned long resource_id, 27 const GURL &url, 28 PluginInstance *instance, 29 bool notify_needed, 30 void *notify_data); 31 32 // Stop sending the stream to the client. 33 // Overrides the base Close so we can cancel our fetching the URL if 34 // it is still loading. 35 virtual bool Close(NPReason reason) OVERRIDE; 36 virtual WebPluginResourceClient* AsResourceClient() OVERRIDE; 37 virtual void CancelRequest() OVERRIDE; 38 39 // WebPluginResourceClient methods 40 virtual void WillSendRequest(const GURL& url, int http_status_code) OVERRIDE; 41 virtual void DidReceiveResponse(const std::string& mime_type, 42 const std::string& headers, 43 uint32 expected_length, 44 uint32 last_modified, 45 bool request_is_seekable) OVERRIDE; 46 virtual void DidReceiveData(const char* buffer, 47 int length, 48 int data_offset) OVERRIDE; 49 virtual void DidFinishLoading(unsigned long resource_id) OVERRIDE; 50 virtual void DidFail(unsigned long resource_id) OVERRIDE; 51 virtual bool IsMultiByteResponseExpected() OVERRIDE; 52 virtual int ResourceId() OVERRIDE; 53 virtual void AddRangeRequestResourceId(unsigned long resource_id) OVERRIDE; 54 55 protected: 56 virtual ~PluginStreamUrl(); 57 58 private: 59 void SetDeferLoading(bool value); 60 61 GURL url_; 62 unsigned long id_; 63 // Ids of additional resources requested via range requests issued on 64 // seekable streams. 65 std::vector<unsigned long> range_requests_; 66 67 DISALLOW_COPY_AND_ASSIGN(PluginStreamUrl); 68 }; 69 70 } // namespace content 71 72 #endif // CONTENT_CHILD_NPAPI_PLUGIN_STREAM_URL_H_ 73
