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      1 // Copyright 2014 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 CHROME_RENDERER_PEPPER_PEPPER_UMA_HOST_H_
      6 #define CHROME_RENDERER_PEPPER_PEPPER_UMA_HOST_H_
      7 
      8 #include <set>
      9 #include <string>
     10 
     11 #include "base/files/file_path.h"
     12 #include "ppapi/c/pp_instance.h"
     13 #include "ppapi/c/pp_resource.h"
     14 #include "ppapi/host/resource_host.h"
     15 #include "url/gurl.h"
     16 
     17 namespace content {
     18 class RendererPpapiHost;
     19 }
     20 
     21 namespace ppapi {
     22 namespace host {
     23 struct HostMessageContext;
     24 }  // namespace host
     25 }  // namespace ppapi
     26 
     27 class PepperUMAHost : public ppapi::host::ResourceHost {
     28  public:
     29   PepperUMAHost(content::RendererPpapiHost* host,
     30                 PP_Instance instance,
     31                 PP_Resource resource);
     32 
     33   virtual ~PepperUMAHost();
     34 
     35   // ppapi::host::ResourceMessageHandler implementation.
     36   virtual int32_t OnResourceMessageReceived(
     37       const IPC::Message& msg,
     38       ppapi::host::HostMessageContext* context) OVERRIDE;
     39 
     40  private:
     41   bool IsPluginWhitelisted();
     42   bool IsHistogramAllowed(const std::string& histogram);
     43 
     44   int32_t OnHistogramCustomTimes(ppapi::host::HostMessageContext* context,
     45                                  const std::string& name,
     46                                  int64_t sample,
     47                                  int64_t min,
     48                                  int64_t max,
     49                                  uint32_t bucket_count);
     50 
     51   int32_t OnHistogramCustomCounts(ppapi::host::HostMessageContext* context,
     52                                   const std::string& name,
     53                                   int32_t sample,
     54                                   int32_t min,
     55                                   int32_t max,
     56                                   uint32_t bucket_count);
     57 
     58   int32_t OnHistogramEnumeration(ppapi::host::HostMessageContext* context,
     59                                  const std::string& name,
     60                                  int32_t sample,
     61                                  int32_t boundary_value);
     62 
     63   int32_t OnIsCrashReportingEnabled(ppapi::host::HostMessageContext* context);
     64 
     65   const GURL document_url_;
     66   bool is_plugin_in_process_;
     67   base::FilePath plugin_base_name_;
     68 
     69   // Set of origins that can use UMA private APIs from NaCl.
     70   std::set<std::string> allowed_origins_;
     71   // Set of hashed histogram prefixes that can be used from this interface.
     72   std::set<std::string> allowed_histogram_prefixes_;
     73   // Set of plugin files names that are allowed to use this interface.
     74   std::set<std::string> allowed_plugin_base_names_;
     75 
     76   DISALLOW_COPY_AND_ASSIGN(PepperUMAHost);
     77 };
     78 
     79 #endif  // CHROME_RENDERER_PEPPER_PEPPER_UMA_HOST_H_
     80