cef/tests/cefclient/browser/urlrequest_test.cc

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// Copyright (c) 2015 The Chromium Embedded Framework 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 "tests/cefclient/browser/urlrequest_test.h"
#include <string>
#include "include/base/cef_bind.h"
#include "include/base/cef_callback.h"
#include "include/base/cef_logging.h"
#include "include/cef_urlrequest.h"
#include "include/wrapper/cef_helpers.h"
namespace client {
namespace urlrequest_test {
namespace {
const char kTestUrl[] = "http://tests/urlrequest";
const char kTestMessageName[] = "URLRequestTest";
// Implementation of CefURLRequestClient that stores response information. Only
// accessed on the UI thread.
class RequestClient : public CefURLRequestClient {
public:
// Callback to be executed on request completion.
typedef base::Callback<void(CefURLRequest::ErrorCode /*error_code*/,
const std::string& /*download_data*/)>
Callback;
explicit RequestClient(const Callback& callback) : callback_(callback) {
CEF_REQUIRE_UI_THREAD();
DCHECK(!callback_.is_null());
}
void Detach() {
CEF_REQUIRE_UI_THREAD();
if (!callback_.is_null())
callback_.Reset();
}
void OnRequestComplete(CefRefPtr<CefURLRequest> request) OVERRIDE {
CEF_REQUIRE_UI_THREAD();
if (!callback_.is_null()) {
callback_.Run(request->GetRequestError(), download_data_);
callback_.Reset();
}
}
void OnUploadProgress(CefRefPtr<CefURLRequest> request,
int64 current,
int64 total) OVERRIDE {}
void OnDownloadProgress(CefRefPtr<CefURLRequest> request,
int64 current,
int64 total) OVERRIDE {}
void OnDownloadData(CefRefPtr<CefURLRequest> request,
const void* data,
size_t data_length) OVERRIDE {
CEF_REQUIRE_UI_THREAD();
download_data_ += std::string(static_cast<const char*>(data), data_length);
}
bool GetAuthCredentials(bool isProxy,
const CefString& host,
int port,
const CefString& realm,
const CefString& scheme,
CefRefPtr<CefAuthCallback> callback) OVERRIDE {
return false;
}
private:
Callback callback_;
std::string download_data_;
IMPLEMENT_REFCOUNTING(RequestClient);
DISALLOW_COPY_AND_ASSIGN(RequestClient);
};
// Handle messages in the browser process. Only accessed on the UI thread.
class Handler : public CefMessageRouterBrowserSide::Handler {
public:
Handler() { CEF_REQUIRE_UI_THREAD(); }
~Handler() { CancelPendingRequest(); }
// Called due to cefQuery execution in urlrequest.html.
bool OnQuery(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
int64 query_id,
const CefString& request,
bool persistent,
CefRefPtr<Callback> callback) OVERRIDE {
CEF_REQUIRE_UI_THREAD();
// Only handle messages from the test URL.
std::string url = frame->GetURL();
if (url.find(kTestUrl) != 0)
return false;
const std::string& message_name = request;
if (message_name.find(kTestMessageName) == 0) {
url = message_name.substr(sizeof(kTestMessageName));
CancelPendingRequest();
DCHECK(!callback_.get());
DCHECK(!urlrequest_.get());
callback_ = callback;
// Create a CefRequest for the specified URL.
CefRefPtr<CefRequest> cef_request = CefRequest::Create();
cef_request->SetURL(url);
cef_request->SetMethod("GET");
// Callback to be executed on request completion.
// It's safe to use base::Unretained() here because there is only one
// RequestClient pending at any given time and we explicitly detach the
// callback in the Handler destructor.
const RequestClient::Callback& request_callback =
base::Bind(&Handler::OnRequestComplete, base::Unretained(this));
// Create and start the new CefURLRequest.
urlrequest_ = CefURLRequest::Create(
cef_request, new RequestClient(request_callback), NULL);
return true;
}
return false;
}
private:
// Cancel the currently pending URL request, if any.
void CancelPendingRequest() {
CEF_REQUIRE_UI_THREAD();
if (urlrequest_.get()) {
// Don't execute the callback when we explicitly cancel the request.
static_cast<RequestClient*>(urlrequest_->GetClient().get())->Detach();
urlrequest_->Cancel();
urlrequest_ = NULL;
}
if (callback_.get()) {
// Must always execute |callback_| before deleting it.
callback_->Failure(ERR_ABORTED, test_runner::GetErrorString(ERR_ABORTED));
callback_ = NULL;
}
}
void OnRequestComplete(CefURLRequest::ErrorCode error_code,
const std::string& download_data) {
CEF_REQUIRE_UI_THREAD();
if (error_code == ERR_NONE)
callback_->Success(download_data);
else
callback_->Failure(error_code, test_runner::GetErrorString(error_code));
callback_ = NULL;
urlrequest_ = NULL;
}
CefRefPtr<Callback> callback_;
CefRefPtr<CefURLRequest> urlrequest_;
DISALLOW_COPY_AND_ASSIGN(Handler);
};
} // namespace
void CreateMessageHandlers(test_runner::MessageHandlerSet& handlers) {
handlers.insert(new Handler());
}
} // namespace urlrequest_test
} // namespace client