components/nacl/renderer/progress_event.h

   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 COMPONENTS_NACL_RENDERER_NEXE_PROGRESS_EVENT_H_
   6 #define COMPONENTS_NACL_RENDERER_NEXE_PROGRESS_EVENT_H_
   7
   8 #include <string>
   9
  10 #include "components/nacl/renderer/ppb_nacl_private.h"
  11 #include "ppapi/c/pp_instance.h"
  12
  13 namespace nacl {
  14
  15 // See http://www.w3.org/TR/progress-events/ for more details on progress
  16 // events.
  17 struct ProgressEvent {
  18   explicit ProgressEvent(PP_NaClEventType event_type_param)
  19       : event_type(event_type_param),
  20         length_is_computable(false),
  21         loaded_bytes(0),
  22         total_bytes(0) {
  23   }
  24
  25   ProgressEvent(PP_NaClEventType event_type_param,
  26                 const std::string& resource_url_param,
  27                 bool length_is_computable_param,
  28                 uint64_t loaded_bytes_param,
  29                 uint64_t total_bytes_param)
  30       : event_type(event_type_param),
  31         resource_url(resource_url_param),
  32         length_is_computable(length_is_computable_param),
  33         loaded_bytes(loaded_bytes_param),
  34         total_bytes(total_bytes_param) {
  35   }
  36
  37   PP_NaClEventType event_type;
  38   std::string resource_url;
  39   bool length_is_computable;
  40   uint64_t loaded_bytes;
  41   uint64_t total_bytes;
  42 };
  43
  44 // Dispatches a progress event to the DOM frame corresponding to the specified
  45 // plugin instance.
  46 // This posts a task to the main thread to perform the actual dispatch, since
  47 // it's usually intended for progress events to be dispatched after all other
  48 // state changes are handled.
  49 void DispatchProgressEvent(PP_Instance instance, const ProgressEvent& event);
  50
  51 }  // namespace nacl
  52
  53 #endif  // COMPONENTS_NACL_RENDERER_NEXE_PROGRESS_EVENT_H_