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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_CHROMEOS_GVIEW_REQUEST_INTERCEPTOR_H__ | 5 #ifndef CHROME_BROWSER_CHROMEOS_GVIEW_REQUEST_INTERCEPTOR_H__ |
| 6 #define CHROME_BROWSER_CHROMEOS_GVIEW_REQUEST_INTERCEPTOR_H__ | 6 #define CHROME_BROWSER_CHROMEOS_GVIEW_REQUEST_INTERCEPTOR_H__ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
| 10 #include "base/hash_tables.h" | 10 #include "base/hash_tables.h" |
| 11 #include "net/url_request/url_request_job_factory.h" | 11 #include "net/url_request/url_request_job_factory.h" |
| 12 | 12 |
| 13 namespace chromeos { | 13 namespace chromeos { |
| 14 | 14 |
| 15 // This class integrates the Google Document Viewer into ChromeOS, | 15 // This class integrates the Google Document Viewer into ChromeOS, |
| 16 // enabling the viewing of supported document types that the user | 16 // enabling the viewing of supported document types that the user |
| 17 // clicks on. This class will intercept requests to supported | 17 // clicks on. This class will intercept requests to supported |
| 18 // document types (such as PDF) and redirect the request to the Google | 18 // document types (such as PDF) and redirect the request to the Google |
| 19 // Document Viewer, including the document's original URL as a | 19 // Document Viewer, including the document's original URL as a |
| 20 // parameter. | 20 // parameter. |
| 21 class GViewRequestInterceptor : public net::URLRequestJobFactory::Interceptor { | 21 class GViewRequestInterceptor : public net::URLRequestJobFactory::Interceptor { |
| 22 public: | 22 public: |
| 23 GViewRequestInterceptor(); | 23 GViewRequestInterceptor(); |
| 24 virtual ~GViewRequestInterceptor(); | 24 virtual ~GViewRequestInterceptor(); |
| 25 | 25 |
| 26 // Always returns NULL because we don't want to attempt a redirect | 26 // Always returns NULL because we don't want to attempt a redirect |
| 27 // before seeing the detected mime type of the request. | 27 // before seeing the detected mime type of the request. |
| 28 virtual net::URLRequestJob* MaybeIntercept( | 28 virtual net::URLRequestJob* MaybeIntercept( |
| 29 net::URLRequest* request) const OVERRIDE; | 29 net::URLRequest* request, |
| 30 net::NetworkDelegate* network_delegate) const OVERRIDE; |
| 30 | 31 |
| 31 // Always returns NULL. | 32 // Always returns NULL. |
| 32 virtual net::URLRequestJob* MaybeInterceptRedirect( | 33 virtual net::URLRequestJob* MaybeInterceptRedirect( |
| 33 const GURL& location, | 34 const GURL& location, |
| 34 net::URLRequest* request) const OVERRIDE; | 35 net::URLRequest* request, |
| 36 net::NetworkDelegate* network_delegate) const OVERRIDE; |
| 35 | 37 |
| 36 // Determines if the requested document can be viewed by the Google | 38 // Determines if the requested document can be viewed by the Google |
| 37 // Document Viewer. If it can, returns a net::URLRequestJob that | 39 // Document Viewer. If it can, returns a net::URLRequestJob that |
| 38 // redirects the browser to the view URL. | 40 // redirects the browser to the view URL. |
| 39 virtual net::URLRequestJob* MaybeInterceptResponse( | 41 virtual net::URLRequestJob* MaybeInterceptResponse( |
| 40 net::URLRequest* request) const OVERRIDE; | 42 net::URLRequest* request, |
| 43 net::NetworkDelegate* network_delegate) const OVERRIDE; |
| 41 | 44 |
| 42 private: | 45 private: |
| 43 bool ShouldUsePdfPlugin(net::URLRequest* request) const; | 46 bool ShouldUsePdfPlugin(net::URLRequest* request) const; |
| 44 bool ShouldInterceptScheme(const std::string& scheme) const; | 47 bool ShouldInterceptScheme(const std::string& scheme) const; |
| 45 | 48 |
| 46 // The list of supported mime types. | 49 // The list of supported mime types. |
| 47 base::hash_set<std::string> supported_mime_types_; | 50 base::hash_set<std::string> supported_mime_types_; |
| 48 }; | 51 }; |
| 49 | 52 |
| 50 } // namespace chromeos | 53 } // namespace chromeos |
| 51 | 54 |
| 52 #endif // CHROME_BROWSER_CHROMEOS_GVIEW_REQUEST_INTERCEPTOR_H__ | 55 #endif // CHROME_BROWSER_CHROMEOS_GVIEW_REQUEST_INTERCEPTOR_H__ |
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