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 void FetchRange(const std::string& range); 38 39 // Stop sending the stream to the client. 40 // Overrides the base Close so we can cancel our fetching the URL if 41 // it is still loading. 42 virtual bool Close(NPReason reason) OVERRIDE; 43 virtual WebPluginResourceClient* AsResourceClient() OVERRIDE; 44 virtual void CancelRequest() OVERRIDE; 45 46 // WebPluginResourceClient methods 47 virtual void WillSendRequest(const GURL& url, int http_status_code) OVERRIDE; 48 virtual void DidReceiveResponse(const std::string& mime_type, 49 const std::string& headers, 50 uint32 expected_length, 51 uint32 last_modified, 52 bool request_is_seekable) OVERRIDE; 53 virtual void DidReceiveData(const char* buffer, 54 int length, 55 int data_offset) OVERRIDE; 56 virtual void DidFinishLoading(unsigned long resource_id) OVERRIDE; 57 virtual void DidFail(unsigned long resource_id) OVERRIDE; 58 virtual bool IsMultiByteResponseExpected() OVERRIDE; 59 virtual int ResourceId() OVERRIDE; 60 virtual void AddRangeRequestResourceId(unsigned long resource_id) OVERRIDE; 61 62 protected: 63 virtual ~PluginStreamUrl(); 64 65 private: 66 void SetDeferLoading(bool value); 67 68 // In case of a redirect, this can be called to update the url. But it must 69 // be called before Open(). 70 void UpdateUrl(const char* url); 71 72 GURL url_; 73 unsigned long id_; 74 75 // Ids of additional resources requested via range requests issued on 76 // seekable streams. 77 // This is used when we're loading resources through the renderer, i.e. not 78 // using plugin_url_fetcher_. 79 std::vector<unsigned long> range_requests_; 80 // This is used when we're using plugin_url_fetcher_. 81 std::vector<PluginURLFetcher*> range_request_fetchers_; 82 83 // If the plugin participates in HTTP URL redirect handling then this member 84 // holds the url being redirected to while we wait for the plugin to make a 85 // decision on whether to allow or deny the redirect. 86 std::string pending_redirect_url_; 87 88 scoped_ptr<PluginURLFetcher> plugin_url_fetcher_; 89 90 DISALLOW_COPY_AND_ASSIGN(PluginStreamUrl); 91 }; 92 93 } // namespace content 94 95 #endif // CONTENT_CHILD_NPAPI_PLUGIN_STREAM_URL_H_ 96
