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| 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 #include "chrome/browser/chromeos/gview_request_interceptor.h" | |
| 6 | |
| 7 #include "base/file_path.h" | |
| 8 #include "base/path_service.h" | |
| 9 #include "chrome/browser/chrome_plugin_service_filter.h" | |
| 10 #include "chrome/common/chrome_paths.h" | |
| 11 #include "chrome/common/url_constants.h" | |
| 12 #include "content/public/browser/plugin_service.h" | |
| 13 #include "content/public/browser/resource_request_info.h" | |
| 14 #include "googleurl/src/gurl.h" | |
| 15 #include "net/base/escape.h" | |
| 16 #include "net/base/load_flags.h" | |
| 17 #include "net/url_request/url_request.h" | |
| 18 #include "net/url_request/url_request_redirect_job.h" | |
| 19 #include "webkit/plugins/webplugininfo.h" | |
| 20 | |
| 21 using content::PluginService; | |
| 22 using content::ResourceRequestInfo; | |
| 23 | |
| 24 namespace chromeos { | |
| 25 | |
| 26 namespace { | |
| 27 | |
| 28 // The PDF mime type is treated special if the browser has a built-in | |
| 29 // PDF viewer plug-in installed - we want to intercept only if we're | |
| 30 // told to. | |
| 31 const char kPdfMimeType[] = "application/pdf"; | |
| 32 | |
| 33 // This is the list of mime types currently supported by the Google | |
| 34 // Document Viewer. | |
| 35 const char* const kSupportedMimeTypeList[] = { | |
| 36 kPdfMimeType, | |
| 37 "application/vnd.ms-powerpoint" | |
| 38 }; | |
| 39 | |
| 40 const char kGViewUrlPrefix[] = "http://docs.google.com/gview?url="; | |
| 41 | |
| 42 } // namespace | |
| 43 | |
| 44 GViewRequestInterceptor::GViewRequestInterceptor() { | |
| 45 for (size_t i = 0; i < arraysize(kSupportedMimeTypeList); ++i) { | |
| 46 supported_mime_types_.insert(kSupportedMimeTypeList[i]); | |
| 47 } | |
| 48 } | |
| 49 | |
| 50 GViewRequestInterceptor::~GViewRequestInterceptor() { | |
| 51 } | |
| 52 | |
| 53 net::URLRequestJob* GViewRequestInterceptor::MaybeIntercept( | |
| 54 net::URLRequest* request, net::NetworkDelegate* network_delegate) const { | |
| 55 // Don't attempt to intercept here as we want to wait until the mime | |
| 56 // type is fully determined. | |
| 57 return NULL; | |
| 58 } | |
| 59 | |
| 60 net::URLRequestJob* GViewRequestInterceptor::MaybeInterceptRedirect( | |
| 61 const GURL& location, | |
| 62 net::URLRequest* request, | |
| 63 net::NetworkDelegate* network_delegate) const { | |
| 64 return NULL; | |
| 65 } | |
| 66 | |
| 67 bool GViewRequestInterceptor::ShouldUsePdfPlugin( | |
| 68 net::URLRequest* request) const { | |
| 69 FilePath pdf_path; | |
| 70 PathService::Get(chrome::FILE_PDF_PLUGIN, &pdf_path); | |
| 71 const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); | |
| 72 if (!info) | |
| 73 return false; | |
| 74 | |
| 75 webkit::WebPluginInfo plugin; | |
| 76 if (!PluginService::GetInstance()->GetPluginInfoByPath(pdf_path, &plugin)) { | |
| 77 return false; | |
| 78 } | |
| 79 | |
| 80 return ChromePluginServiceFilter::GetInstance()->ShouldUsePlugin( | |
| 81 info->GetChildID(), info->GetRouteID(), info->GetContext(), | |
| 82 request->url(), GURL(), &plugin); | |
| 83 } | |
| 84 | |
| 85 bool GViewRequestInterceptor::ShouldInterceptScheme( | |
| 86 const std::string& scheme) const { | |
| 87 return scheme == chrome::kHttpScheme; | |
| 88 } | |
| 89 | |
| 90 net::URLRequestJob* GViewRequestInterceptor::MaybeInterceptResponse( | |
| 91 net::URLRequest* request, net::NetworkDelegate* network_delegate) const { | |
| 92 // Do not intercept this request if it is a download. | |
| 93 if (request->load_flags() & net::LOAD_IS_DOWNLOAD) { | |
| 94 return NULL; | |
| 95 } | |
| 96 | |
| 97 std::string mime_type; | |
| 98 request->GetMimeType(&mime_type); | |
| 99 | |
| 100 if (request->method() != "GET" || | |
| 101 !ShouldInterceptScheme(request->original_url().scheme())) { | |
| 102 return NULL; | |
| 103 } | |
| 104 | |
| 105 // If the local PDF viewing plug-in is installed and enabled, don't | |
| 106 // redirect PDF files to Google Document Viewer. | |
| 107 if (mime_type == kPdfMimeType && ShouldUsePdfPlugin(request)) | |
| 108 return NULL; | |
| 109 | |
| 110 // If supported, build the URL to the Google Document Viewer | |
| 111 // including the origial document's URL, then create a new job that | |
| 112 // will redirect the browser to this new URL. | |
| 113 if (supported_mime_types_.count(mime_type) > 0) { | |
| 114 std::string url(kGViewUrlPrefix); | |
| 115 url += net::EscapePath(request->url().spec()); | |
| 116 return new net::URLRequestRedirectJob( | |
| 117 request, network_delegate, GURL(url), | |
| 118 net::URLRequestRedirectJob::REDIRECT_302_FOUND); | |
| 119 } | |
| 120 return NULL; | |
| 121 } | |
| 122 | |
| 123 } // namespace chromeos | |
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Chromium Code Reviews
Issue 11411071:
chromeos: Remove GViewRequestInterceptor. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src