// Copyright 2008, Google Inc.
//
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//     this list of conditions and the following disclaimer.
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//     used to endorse or promote products derived from this software without
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#include "gears/httprequest/httprequest_upload.h"

#include "gears/base/common/dispatcher.h"
#include "gears/base/common/js_runner.h"
#include "gears/base/common/js_types.h"
#include "gears/base/common/string16.h"

DECLARE_DISPATCHER(GearsHttpRequestUpload);

// static
template<>
void Dispatcher<GearsHttpRequestUpload>::Init() {
  RegisterProperty("onprogress", &GearsHttpRequestUpload::GetOnProgress,
                   &GearsHttpRequestUpload::SetOnProgress);
}

const std::string GearsHttpRequestUpload::kModuleName("GearsHttpRequestUpload");

GearsHttpRequestUpload::GearsHttpRequestUpload()
    : ModuleImplBaseClassVirtual(kModuleName) {
}

GearsHttpRequestUpload::~GearsHttpRequestUpload() {
}

void GearsHttpRequestUpload::GetOnProgress(JsCallContext *context) {
  JsRootedCallback *callback = onprogress_handler_.get();
  if (callback == NULL) {
    context->SetReturnValue(JSPARAM_NULL, 0);
  } else {
    context->SetReturnValue(JSPARAM_FUNCTION, callback);
  }
}

void GearsHttpRequestUpload::SetOnProgress(JsCallContext *context) {
  JsRootedCallback *function = NULL;
  JsArgument argv[] = {
    { JSPARAM_OPTIONAL, JSPARAM_FUNCTION, &function },
  };
  context->GetArguments(ARRAYSIZE(argv), argv);
  if (context->is_exception_set()) {
    return;
  }
  onprogress_handler_.reset(function);
}

void GearsHttpRequestUpload::ReportProgress(int64 position, int64 total) {
  JsRootedCallback *handler = onprogress_handler_.get();
  if (handler) {
    JsRunnerInterface *runner = GetJsRunner();
    assert(runner);
    if (runner) {
      scoped_ptr<JsObject> js_object(runner->NewObject());
      assert(js_object.get());
      js_object->SetPropertyDouble(STRING16(L"total"),
                                   static_cast<double>(total));
      js_object->SetPropertyDouble(STRING16(L"loaded"),
                                   static_cast<double>(position));
      js_object->SetPropertyBool(STRING16(L"lengthComputable"), true);
      JsParamToSend argv[] = {
        { JSPARAM_OBJECT, js_object.get() },
      };
      runner->InvokeCallback(handler, ARRAYSIZE(argv), argv, NULL);
    }
  }
}

void GearsHttpRequestUpload::Reset() {
  onprogress_handler_.reset();
}