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// Copyright (c) 2009 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 "chrome/browser/dom_ui/dom_ui_favicon_source.h"
#include "app/resource_bundle.h"
#include "chrome/browser/profile.h"
#include "chrome/common/url_constants.h"
#include "grit/app_resources.h"
DOMUIFavIconSource::DOMUIFavIconSource(Profile* profile)
: DataSource(chrome::kChromeUIFavIconPath, MessageLoop::current()),
profile_(profile) {
}
void DOMUIFavIconSource::StartDataRequest(const std::string& path,
int request_id) {
HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
if (hs) {
HistoryService::Handle handle;
if (path.size() > 8 && path.substr(0, 8) == "iconurl/") {
handle = hs->GetFavIcon(
GURL(path.substr(8)),
&cancelable_consumer_,
NewCallback(this, &DOMUIFavIconSource::OnFavIconDataAvailable));
} else {
handle = hs->GetFavIconForURL(
GURL(path),
&cancelable_consumer_,
NewCallback(this, &DOMUIFavIconSource::OnFavIconDataAvailable));
}
// Attach the ChromeURLDataManager request ID to the history request.
cancelable_consumer_.SetClientData(hs, handle, request_id);
} else {
SendResponse(request_id, NULL);
}
}
void DOMUIFavIconSource::OnFavIconDataAvailable(
HistoryService::Handle request_handle,
bool know_favicon,
scoped_refptr<RefCountedBytes> data,
bool expired,
const GURL& icon_url) {
HistoryService* hs =
profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
int request_id = cancelable_consumer_.GetClientData(hs, request_handle);
if (know_favicon && data.get() && !data->data.empty()) {
// Forward the data along to the networking system.
SendResponse(request_id, data);
} else {
if (!default_favicon_.get()) {
default_favicon_ = new RefCountedBytes;
ResourceBundle::GetSharedInstance().LoadImageResourceBytes(
IDR_DEFAULT_FAVICON, &default_favicon_->data);
}
SendResponse(request_id, default_favicon_);
}
}
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