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// Copyright (c) 2006-2008 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 "config.h"
#include "webkit/glue/feed_preview.h"
#pragma warning(push, 0)
#include "ResourceRequest.h"
#include "ResourceResponse.h"
#include "ResourceHandle.h"
#pragma warning(pop)
#undef LOG
#include "base/logging.h"
#include "webkit/glue/glue_util.h"
#include "webkit/glue/webkit_glue.h"
#include "webkit/glue/webkit_resources.h"
namespace WebCore {
// Generate a preview for a feed. |url| is the (http://) URL of the feed,
// and |data| are the bytes we received in response to the HTTP request.
// Returns an HTML string.
static std::string MakeFeedPreview(const std::string& url,
const std::string& data) {
// TODO(evanm): this is just a placeholder.
// Maybe we should make this parse the feed data and display a preview?
// Yuck. Seems like a lot of effort for a pretty minor feature.
// The feed preview template has {{URL}} in place of where the URL should go.
const std::string kUrlTemplate = "{{URL}}";
std::string feed_template(webkit_glue::GetDataResource(IDR_FEED_PREVIEW));
std::string::size_type template_offset = feed_template.find(kUrlTemplate);
DCHECK(template_offset != std::string::npos);
// TODO(evanm): URL-escape URL!
return feed_template.substr(0, template_offset) + url +
feed_template.substr(template_offset + kUrlTemplate.size());
}
FeedClientProxy::FeedClientProxy(ResourceHandleClient* client)
: client_(client), do_feed_preview_(false) {
}
void FeedClientProxy::didReceiveResponse(ResourceHandle* handle,
const ResourceResponse& response) {
if (response.httpStatusCode() == 200) {
ResourceResponse new_response(response);
// Our feed preview has mime type text/html.
new_response.setMimeType("text/html");
do_feed_preview_ = true;
client_->didReceiveResponse(handle, new_response);
} else {
client_->didReceiveResponse(handle, response);
}
}
void FeedClientProxy::didReceiveData(ResourceHandle*, const char* data,
int data_len, int length_received) {
length_received_ = length_received;
data_.append(data, data_len);
}
void FeedClientProxy::didFinishLoading(ResourceHandle* handle) {
const std::string url =
webkit_glue::KURLToGURL(handle->request().url()).spec();
const std::string& data =
do_feed_preview_ ? MakeFeedPreview(url, data_) : data_;
client_->didReceiveData(handle, data.data(), data.size(), length_received_);
client_->didFinishLoading(handle);
}
void FeedClientProxy::didFail(ResourceHandle* handle,
const ResourceError& error) {
client_->didFail(handle, error);
}
} // namespace WebCore
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