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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/favicon_service.h"
#include "chrome/browser/dom_ui/dom_ui_factory.h"
#include "chrome/browser/history/history.h"
#include "chrome/browser/history/history_backend.h"
#include "chrome/browser/profile.h"
#include "chrome/common/url_constants.h"
FaviconService::FaviconService(Profile* profile) : profile_(profile) {
}
FaviconService::Handle FaviconService::GetFavicon(
const GURL& icon_url,
CancelableRequestConsumerBase* consumer,
FaviconDataCallback* callback) {
GetFaviconRequest* request = new GetFaviconRequest(callback);
AddRequest(request, consumer);
HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
if (hs)
hs->GetFavicon(request, icon_url);
else
ForwardEmptyResultAsync(request);
return request->handle();
}
FaviconService::Handle FaviconService::UpdateFaviconMappingAndFetch(
const GURL& page_url,
const GURL& icon_url,
CancelableRequestConsumerBase* consumer,
FaviconService::FaviconDataCallback* callback) {
GetFaviconRequest* request = new GetFaviconRequest(callback);
AddRequest(request, consumer);
HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
if (hs)
hs->UpdateFaviconMappingAndFetch(request, page_url, icon_url);
else
ForwardEmptyResultAsync(request);
return request->handle();
}
FaviconService::Handle FaviconService::GetFaviconForURL(
const GURL& page_url,
CancelableRequestConsumerBase* consumer,
FaviconDataCallback* callback) {
GetFaviconRequest* request = new GetFaviconRequest(callback);
AddRequest(request, consumer);
FaviconService::Handle handle = request->handle();
if (page_url.SchemeIs(chrome::kChromeUIScheme)) {
// TODO(erg): For now, we're cheating here. DOMUIFactory returns the new
// RefCountedMemory superclass, but consumers of favicon information are
// still all hardcoded to use RefCountedBytes. For now, just copy the
// favicon data in this case because the returned RefCountedMemory class is
// the statically allocated memory one; not the vector backed
// RefCountedBytes.
scoped_refptr<RefCountedBytes> icon_data = NULL;
scoped_refptr<RefCountedMemory> static_memory(
DOMUIFactory::GetFaviconResourceBytes(page_url));
bool know_icon = static_memory.get() != NULL;
if (know_icon) {
std::vector<unsigned char> bytes;
bytes.insert(bytes.begin(),
static_memory->front(),
static_memory->front() + static_memory->size());
icon_data = RefCountedBytes::TakeVector(&bytes);
}
request->ForwardResultAsync(FaviconDataCallback::TupleType(handle,
know_icon, icon_data, false, GURL()));
} else {
HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
if (hs)
hs->GetFaviconForURL(request, page_url);
else
ForwardEmptyResultAsync(request);
}
return handle;
}
void FaviconService::SetFaviconOutOfDateForPage(const GURL& page_url) {
HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
if (hs)
hs->SetFaviconOutOfDateForPage(page_url);
}
void FaviconService::SetImportedFavicons(
const std::vector<history::ImportedFavIconUsage>& favicon_usage) {
HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
if (hs)
hs->SetImportedFavicons(favicon_usage);
}
void FaviconService::SetFavicon(const GURL& page_url,
const GURL& icon_url,
const std::vector<unsigned char>& image_data) {
HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
if (hs)
hs->SetFavicon(page_url, icon_url, image_data);
}
void FaviconService::ForwardEmptyResultAsync(GetFaviconRequest* request) {
request->ForwardResultAsync(FaviconDataCallback::TupleType(request->handle(),
false, NULL, false, GURL()));
}
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