Move html_viewer from mojo/services to components.

mojo/services/html_viewer/web_url_loader_impl.cc

Index: mojo/services/html_viewer/web_url_loader_impl.cc
diff --git a/mojo/services/html_viewer/web_url_loader_impl.cc b/mojo/services/html_viewer/web_url_loader_impl.cc
deleted file mode 100644
index 14d6bbe156a1813fb8cb4ea7087b4f1332979ba0..0000000000000000000000000000000000000000
--- a/mojo/services/html_viewer/web_url_loader_impl.cc
+++ /dev/null
@@ -1,305 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "mojo/services/html_viewer/web_url_loader_impl.h"
-
-#include "base/bind.h"
-#include "base/logging.h"
-#include "base/strings/string_util.h"
-#include "base/thread_task_runner_handle.h"
-#include "mojo/common/common_type_converters.h"
-#include "mojo/common/url_type_converters.h"
-#include "mojo/services/html_viewer/blink_url_request_type_converters.h"
-#include "mojo/services/network/public/interfaces/network_service.mojom.h"
-#include "net/base/net_errors.h"
-#include "third_party/WebKit/public/platform/WebURLError.h"
-#include "third_party/WebKit/public/platform/WebURLLoadTiming.h"
-#include "third_party/WebKit/public/platform/WebURLLoaderClient.h"
-#include "third_party/WebKit/public/platform/WebURLResponse.h"
-
-using blink::WebString;
-using mojo::URLResponsePtr;
-
-namespace html_viewer {
-namespace {
-
-blink::WebURLResponse::HTTPVersion StatusLineToHTTPVersion(
-    const mojo::String& status_line) {
-  if (status_line.is_null())
-    return blink::WebURLResponse::HTTP_0_9;
-
-  if (StartsWithASCII(status_line, "HTTP/1.0", true))
-    return blink::WebURLResponse::HTTP_1_0;
-
-  if (StartsWithASCII(status_line, "HTTP/1.1", true))
-    return blink::WebURLResponse::HTTP_1_1;
-
-  return blink::WebURLResponse::Unknown;
-}
-
-blink::WebURLResponse ToWebURLResponse(const URLResponsePtr& url_response) {
-  blink::WebURLResponse result;
-  result.initialize();
-  result.setURL(GURL(url_response->url));
-  result.setMIMEType(blink::WebString::fromUTF8(url_response->mime_type));
-  result.setTextEncodingName(blink::WebString::fromUTF8(url_response->charset));
-  result.setHTTPVersion(StatusLineToHTTPVersion(url_response->status_line));
-  result.setHTTPStatusCode(url_response->status_code);
-  result.setExpectedContentLength(-1);  // Not available.
-
-  // TODO(darin): Initialize timing properly.
-  blink::WebURLLoadTiming timing;
-  timing.initialize();
-  result.setLoadTiming(timing);
-
-  for (size_t i = 0; i < url_response->headers.size(); ++i) {
-    const std::string& header_line = url_response->headers[i];
-    size_t first_colon = header_line.find(":");
-
-    if (first_colon == std::string::npos || first_colon == 0)
-      continue;
-
-    std::string value;
-    TrimWhitespaceASCII(header_line.substr(first_colon + 1),
-                        base::TRIM_LEADING,
-                        &value);
-    result.setHTTPHeaderField(
-        blink::WebString::fromUTF8(header_line.substr(0, first_colon)),
-        blink::WebString::fromUTF8(value));
-  }
-
-  return result;
-}
-
-}  // namespace
-
-WebURLRequestExtraData::WebURLRequestExtraData() {
-}
-
-WebURLRequestExtraData::~WebURLRequestExtraData() {
-}
-
-WebURLLoaderImpl::WebURLLoaderImpl(mojo::NetworkService* network_service,
-                                   MockWebBlobRegistryImpl* web_blob_registry)
-    : client_(NULL),
-      web_blob_registry_(web_blob_registry),
-      referrer_policy_(blink::WebReferrerPolicyDefault),
-      weak_factory_(this) {
-  network_service->CreateURLLoader(GetProxy(&url_loader_));
-}
-
-WebURLLoaderImpl::~WebURLLoaderImpl() {
-}
-
-void WebURLLoaderImpl::loadSynchronously(
-    const blink::WebURLRequest& request,
-    blink::WebURLResponse& response,
-    blink::WebURLError& error,
-    blink::WebData& data) {
-  NOTIMPLEMENTED();
-}
-
-void WebURLLoaderImpl::loadAsynchronously(const blink::WebURLRequest& request,
-                                          blink::WebURLLoaderClient* client) {
-  client_ = client;
-  url_ = request.url();
-
-  mojo::URLRequestPtr url_request = mojo::URLRequest::From(request);
-  url_request->auto_follow_redirects = false;
-  referrer_policy_ = request.referrerPolicy();
-  GURL referrer_url(
-      request.httpHeaderField(WebString::fromUTF8("Referer")).latin1());
-  url_request->referrer = referrer_url.spec();
-
-  if (request.extraData()) {
-    WebURLRequestExtraData* extra_data =
-        static_cast<WebURLRequestExtraData*>(request.extraData());
-    base::ThreadTaskRunnerHandle::Get()->PostTask(
-        FROM_HERE,
-        base::Bind(&WebURLLoaderImpl::OnReceivedResponse,
-                   weak_factory_.GetWeakPtr(),
-                   request,
-                   base::Passed(&extra_data->synthetic_response)));
-    return;
-  }
-
-  blink::WebString uuid;
-  if (web_blob_registry_->GetUUIDForURL(url_, &uuid)) {
-    blink::WebVector<blink::WebBlobData::Item*> items;
-    if (web_blob_registry_->GetBlobItems(uuid, &items)) {
-      // The blob data exists in our service, and we don't want to create a
-      // data pipe just to do a funny dance where at the end, we stuff data
-      // from memory into data pipes so we can read back the data.
-      OnReceiveWebBlobData(request, items);
-      return;
-    }
-  }
-
-  url_loader_->Start(url_request.Pass(),
-                     base::Bind(&WebURLLoaderImpl::OnReceivedResponse,
-                                weak_factory_.GetWeakPtr(), request));
-}
-
-void WebURLLoaderImpl::cancel() {
-  url_loader_.reset();
-  response_body_stream_.reset();
-
-  URLResponsePtr failed_response(mojo::URLResponse::New());
-  failed_response->url = mojo::String::From(url_);
-  failed_response->error = mojo::NetworkError::New();
-  failed_response->error->code = net::ERR_ABORTED;
-
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE,
-      base::Bind(&WebURLLoaderImpl::OnReceivedResponse,
-                 weak_factory_.GetWeakPtr(),
-                 blink::WebURLRequest(),
-                 base::Passed(&failed_response)));
-}
-
-void WebURLLoaderImpl::setDefersLoading(bool defers_loading) {
-  NOTIMPLEMENTED();
-}
-
-void WebURLLoaderImpl::OnReceivedResponse(const blink::WebURLRequest& request,
-                                          URLResponsePtr url_response) {
-  url_ = GURL(url_response->url);
-
-  if (url_response->error) {
-    OnReceivedError(url_response.Pass());
-  } else if (url_response->redirect_url) {
-    OnReceivedRedirect(request, url_response.Pass());
-  } else {
-    base::WeakPtr<WebURLLoaderImpl> self(weak_factory_.GetWeakPtr());
-    client_->didReceiveResponse(this, ToWebURLResponse(url_response));
-
-    // We may have been deleted during didReceiveResponse.
-    if (!self)
-      return;
-
-    // Start streaming data
-    response_body_stream_ = url_response->body.Pass();
-    ReadMore();
-  }
-}
-
-void WebURLLoaderImpl::OnReceivedError(URLResponsePtr url_response) {
-  blink::WebURLError web_error;
-  web_error.domain = blink::WebString::fromUTF8(net::kErrorDomain);
-  web_error.reason = url_response->error->code;
-  web_error.unreachableURL = GURL(url_response->url);
-  web_error.staleCopyInCache = false;
-  web_error.isCancellation =
-      url_response->error->code == net::ERR_ABORTED ? true : false;
-
-  client_->didFail(this, web_error);
-}
-
-void WebURLLoaderImpl::OnReceivedRedirect(const blink::WebURLRequest& request,
-                                          URLResponsePtr url_response) {
-  // TODO(erg): setFirstPartyForCookies() and setHTTPReferrer() are unset here.
-  blink::WebURLRequest new_request;
-  new_request.initialize();
-  new_request.setURL(GURL(url_response->redirect_url));
-  new_request.setDownloadToFile(request.downloadToFile());
-  new_request.setRequestContext(request.requestContext());
-  new_request.setFrameType(request.frameType());
-  new_request.setSkipServiceWorker(request.skipServiceWorker());
-  new_request.setFetchRequestMode(request.fetchRequestMode());
-  new_request.setFetchCredentialsMode(request.fetchCredentialsMode());
-  new_request.setHTTPReferrer(
-      WebString::fromUTF8(url_response->redirect_referrer),
-      referrer_policy_);
-
-  std::string old_method = request.httpMethod().utf8();
-  new_request.setHTTPMethod(
-      blink::WebString::fromUTF8(url_response->redirect_method));
-  if (url_response->redirect_method == old_method)
-    new_request.setHTTPBody(request.httpBody());
-
-  base::WeakPtr<WebURLLoaderImpl> self(weak_factory_.GetWeakPtr());
-  client_->willSendRequest(this, new_request, ToWebURLResponse(url_response));
-  // TODO(darin): Check if new_request was rejected.
-
-  // We may have been deleted during willSendRequest.
-  if (!self)
-    return;
-
-  url_loader_->FollowRedirect(
-      base::Bind(&WebURLLoaderImpl::OnReceivedResponse,
-                 weak_factory_.GetWeakPtr(),
-                 request));
-}
-
-void WebURLLoaderImpl::OnReceiveWebBlobData(
-    const blink::WebURLRequest& request,
-    const blink::WebVector<blink::WebBlobData::Item*>& items) {
-  blink::WebURLResponse result;
-  result.initialize();
-  result.setURL(url_);
-  result.setHTTPStatusCode(200);
-  result.setExpectedContentLength(-1);  // Not available.
-
-  base::WeakPtr<WebURLLoaderImpl> self(weak_factory_.GetWeakPtr());
-  client_->didReceiveResponse(this, result);
-
-  // We may have been deleted during didReceiveResponse.
-  if (!self)
-    return;
-
-  // Send a receive data for each blob item.
-  for (size_t i = 0; i < items.size(); ++i) {
-    client_->didReceiveData(this, items[i]->data.data(), items[i]->data.size(),
-                            -1);
-  }
-
-  // Send a closing finish.
-  double finish_time = base::Time::Now().ToDoubleT();
-  client_->didFinishLoading(
-      this, finish_time, blink::WebURLLoaderClient::kUnknownEncodedDataLength);
-}
-
-void WebURLLoaderImpl::ReadMore() {
-  const void* buf;
-  uint32_t buf_size;
-  MojoResult rv = BeginReadDataRaw(response_body_stream_.get(),
-                                   &buf,
-                                   &buf_size,
-                                   MOJO_READ_DATA_FLAG_NONE);
-  if (rv == MOJO_RESULT_OK) {
-    base::WeakPtr<WebURLLoaderImpl> self(weak_factory_.GetWeakPtr());
-    client_->didReceiveData(this, static_cast<const char*>(buf), buf_size, -1);
-    // We may have been deleted durining didReceiveData.
-    if (!self)
-      return;
-    EndReadDataRaw(response_body_stream_.get(), buf_size);
-    WaitToReadMore();
-  } else if (rv == MOJO_RESULT_SHOULD_WAIT) {
-    WaitToReadMore();
-  } else if (rv == MOJO_RESULT_FAILED_PRECONDITION) {
-    // We reached end-of-file.
-    double finish_time = base::Time::Now().ToDoubleT();
-    client_->didFinishLoading(
-        this,
-        finish_time,
-        blink::WebURLLoaderClient::kUnknownEncodedDataLength);
-  } else {
-    // TODO(darin): Oops!
-  }
-}
-
-void WebURLLoaderImpl::WaitToReadMore() {
-  handle_watcher_.Start(
-      response_body_stream_.get(),
-      MOJO_HANDLE_SIGNAL_READABLE,
-      MOJO_DEADLINE_INDEFINITE,
-      base::Bind(&WebURLLoaderImpl::OnResponseBodyStreamReady,
-                 weak_factory_.GetWeakPtr()));
-}
-
-void WebURLLoaderImpl::OnResponseBodyStreamReady(MojoResult result) {
-  ReadMore();
-}
-
-}  // namespace html_viewer