Initial import of the Chrome Frame codebase. Integration in chrome.gyp coming...

chrome_frame/npapi_url_request.cc

+// Copyright 2009, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "chrome_frame/npapi_url_request.h"
+
+#include "base/string_util.h"
+#include "chrome_frame/np_browser_functions.h"
+#include "net/base/net_errors.h"
+
+int NPAPIUrlRequest::instance_count_ = 0;
+
+NPAPIUrlRequest::NPAPIUrlRequest(NPP instance)
+    : ref_count_(0), instance_(instance), stream_(NULL),
+      pending_read_size_(0),
+      status_(URLRequestStatus::FAILED, net::ERR_FAILED),
+      thread_(PlatformThread::CurrentId()) {
+  DLOG(INFO) << "Created request. Count: " << ++instance_count_;
+}
+
+NPAPIUrlRequest::~NPAPIUrlRequest() {
+  DLOG(INFO) << "Deleted request. Count: " << --instance_count_;
+}
+
+// NPAPIUrlRequest member defines.
+bool NPAPIUrlRequest::Start() {
+  NPError result = NPERR_GENERIC_ERROR;
+  DLOG(INFO) << "Starting URL request: " << url();
+  if (LowerCaseEqualsASCII(method(), "get")) {
+    // TODO(joshia): if we have extra headers for HTTP GET, then implement
+    // it using XHR
+    result = npapi::GetURLNotify(instance_, url().c_str(), NULL, this);
+  } else if (LowerCaseEqualsASCII(method(), "post")) {
+    result = npapi::PostURLNotify(instance_, url().c_str(), NULL,
+        extra_headers().length(), extra_headers().c_str(), false, this);
+  } else {
+    NOTREACHED() << "PluginUrlRequest only supports 'GET'/'POST'";
+  }
+
+  if (NPERR_NO_ERROR == result) {
+    request_handler()->AddRequest(this);
+  } else {
+    int os_error = net::ERR_FAILED;
+    switch (result) {
+      case NPERR_INVALID_URL:
+        os_error = net::ERR_INVALID_URL;
+        break;
+      default:
+        break;
+    }
+
+    OnResponseEnd(URLRequestStatus(URLRequestStatus::FAILED, os_error));
+    return false;
+  }
+
+  return true;
+}
+
+void NPAPIUrlRequest::Stop() {
+  DLOG(INFO) << "Finished request: Url - " << url() << " result: "
+      << static_cast<int>(status_.status());
+  if (stream_) {
+    npapi::DestroyStream(instance_, stream_, NPRES_USER_BREAK);
+    stream_ = NULL;
+  }
+
+  request_handler()->RemoveRequest(this);
+  if (!status_.is_io_pending())
+    OnResponseEnd(status_);
+}
+
+bool NPAPIUrlRequest::Read(int bytes_to_read) {
+  pending_read_size_ = bytes_to_read;
+  return true;
+}
+
+bool NPAPIUrlRequest::OnStreamCreated(const char* mime_type, NPStream* stream) {
+  stream_ = stream;
+  status_.set_status(URLRequestStatus::IO_PENDING);
+  // TODO(iyengar)
+  // Add support for passing persistent cookies and information about any URL
+  // redirects to Chrome.
+  OnResponseStarted(mime_type, stream->headers, stream->end,
+      base::Time::FromTimeT(stream->lastmodified), std::string(),
+      std::string(), 0);
+  return true;
+}
+
+void NPAPIUrlRequest::OnStreamDestroyed(NPReason reason) {
+  URLRequestStatus::Status status = URLRequestStatus::FAILED;
+  switch (reason) {
+    case NPRES_DONE:
+      status_.set_status(URLRequestStatus::SUCCESS);
+      status_.set_os_error(0);
+      break;
+    case NPRES_USER_BREAK:
+      status_.set_status(URLRequestStatus::CANCELED);
+      status_.set_os_error(net::ERR_ABORTED);
+      break;
+    case NPRES_NETWORK_ERR:
+    default:
+      status_.set_status(URLRequestStatus::FAILED);
+      status_.set_os_error(net::ERR_CONNECTION_CLOSED);
+      break;
+  }
+}
+
+int NPAPIUrlRequest::OnWriteReady() {
+  return pending_read_size_;
+}
+
+int NPAPIUrlRequest::OnWrite(void* buffer, int len) {
+  pending_read_size_ = 0;
+  OnReadComplete(buffer, len);
+  return len;
+}
+
+STDMETHODIMP_(ULONG) NPAPIUrlRequest::AddRef() {
+  DCHECK_EQ(PlatformThread::CurrentId(), thread_);
+  ++ref_count_;
+  return ref_count_;
+}
+
+STDMETHODIMP_(ULONG) NPAPIUrlRequest::Release() {
+  DCHECK_EQ(PlatformThread::CurrentId(), thread_);
+  unsigned long ret = --ref_count_;
+  if (!ret)
+    delete this;
+
+  return ret;
+}
+