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      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
      3 // found in the LICENSE file.
      4 
      5 #ifndef PPAPI_CPP_DEV_URL_UTIL_DEV_H_
      6 #define PPAPI_CPP_DEV_URL_UTIL_DEV_H_
      7 
      8 #include "ppapi/c/dev/ppb_url_util_dev.h"
      9 #include "ppapi/cpp/var.h"
     10 
     11 namespace pp {
     12 
     13 class InstanceHandle;
     14 
     15 // Simple wrapper around the PPB_URLUtil interface.
     16 class URLUtil_Dev {
     17  public:
     18   // This class is just a collection of random functions that aren't
     19   // particularly attached to anything. So this getter returns a cached
     20   // instance of this interface. This may return NULL if the browser doesn't
     21   // support the URLUtil interface. Since this is a singleton, don't delete the
     22   // pointer.
     23   static const URLUtil_Dev* Get();
     24 
     25   Var Canonicalize(const Var& url,
     26                    PP_URLComponents_Dev* components = NULL) const;
     27 
     28   Var ResolveRelativeToURL(const Var& base_url,
     29                            const Var& relative_string,
     30                            PP_URLComponents_Dev* components = NULL) const;
     31   Var ResolveRelativeToDocument(const InstanceHandle& instance,
     32                                 const Var& relative_string,
     33                                 PP_URLComponents_Dev* components = NULL) const;
     34 
     35   bool IsSameSecurityOrigin(const Var& url_a, const Var& url_b) const;
     36   bool DocumentCanRequest(const InstanceHandle& instance, const Var& url) const;
     37   bool DocumentCanAccessDocument(const InstanceHandle& active,
     38                                  const InstanceHandle& target) const;
     39   Var GetDocumentURL(const InstanceHandle& instance,
     40                      PP_URLComponents_Dev* components = NULL) const;
     41 
     42   Var GetPluginInstanceURL(const InstanceHandle& instance,
     43                            PP_URLComponents_Dev* components = NULL) const;
     44 
     45  private:
     46   URLUtil_Dev() : interface_(NULL) {}
     47 
     48   // Copy and assignment are disallowed.
     49   URLUtil_Dev(const URLUtil_Dev& other);
     50   URLUtil_Dev& operator=(const URLUtil_Dev& other);
     51 
     52   const PPB_URLUtil_Dev* interface_;
     53 };
     54 
     55 }  // namespace pp
     56 
     57 #endif  // PPAPI_CPP_DEV_URL_UTIL_DEV_H_
     58