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 "base/memory/scoped_ptr.h" 11 #include "content/child/npapi/plugin_stream.h" 12 #include "content/child/npapi/webplugin_resource_client.h" 13 #include "url/gurl.h" 14 15 namespace content { 16 class PluginInstance; 17 class PluginURLFetcher; 18 19 // A NPAPI Stream based on a URL. 20 class PluginStreamUrl : public PluginStream, 21 public WebPluginResourceClient { 22 public: 23 // Create a new stream for sending to the plugin by fetching 24 // a URL. If notifyNeeded is set, then the plugin will be notified 25 // when the stream has been fully sent to the plugin. Initialize 26 // must be called before the object is used. 27 PluginStreamUrl(unsigned long resource_id, 28 const GURL &url, 29 PluginInstance *instance, 30 bool notify_needed, 31 void *notify_data); 32 33 void SetPluginURLFetcher(PluginURLFetcher* fetcher); 34 35 void URLRedirectResponse(bool allow); 36 37 // Stop sending the stream to the client. 38 // Overrides the base Close so we can cancel our fetching the URL if 39 // it is still loading. 40 virtual bool Close(NPReason reason) OVERRIDE; 41 virtual WebPluginResourceClient* AsResourceClient() OVERRIDE; 42 virtual void CancelRequest() OVERRIDE; 43 44 // WebPluginResourceClient methods 45 virtual void WillSendRequest(const GURL& url, int http_status_code) OVERRIDE; 46 virtual void DidReceiveResponse(const std::string& mime_type, 47 const std::string& headers, 48 uint32 expected_length, 49 uint32 last_modified, 50 bool request_is_seekable) OVERRIDE; 51 virtual void DidReceiveData(const char* buffer, 52 int length, 53 int data_offset) OVERRIDE; 54 virtual void DidFinishLoading(unsigned long resource_id) OVERRIDE; 55 virtual void DidFail(unsigned long resource_id) OVERRIDE; 56 virtual bool IsMultiByteResponseExpected() OVERRIDE; 57 virtual int ResourceId() OVERRIDE; 58 virtual void AddRangeRequestResourceId(unsigned long resource_id) OVERRIDE; 59 60 protected: 61 virtual ~PluginStreamUrl(); 62 63 private: 64 void SetDeferLoading(bool value); 65 66 // In case of a redirect, this can be called to update the url. But it must 67 // be called before Open(). 68 void UpdateUrl(const char* url); 69 70 GURL url_; 71 unsigned long id_; 72 // Ids of additional resources requested via range requests issued on 73 // seekable streams. 74 std::vector<unsigned long> range_requests_; 75 76 // If the plugin participates in HTTP URL redirect handling then this member 77 // holds the url being redirected to while we wait for the plugin to make a 78 // decision on whether to allow or deny the redirect. 79 std::string pending_redirect_url_; 80 81 scoped_ptr<PluginURLFetcher> plugin_url_fetcher_; 82 83 DISALLOW_COPY_AND_ASSIGN(PluginStreamUrl); 84 }; 85 86 } // namespace content 87 88 #endif // CONTENT_CHILD_NPAPI_PLUGIN_STREAM_URL_H_ 89
