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// Copyright (c) 2012 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 "content/browser/resource_context_impl.h"
#include "base/logging.h"
#include "content/browser/fileapi/chrome_blob_storage_context.h"
#include "content/browser/host_zoom_map_impl.h"
#include "content/browser/loader/resource_dispatcher_host_impl.h"
#include "content/browser/loader/resource_request_info_impl.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
// Key names on ResourceContext.
static const char* kBlobStorageContextKeyName = "content_blob_storage_context";
static const char* kHostZoomMapKeyName = "content_host_zoom_map";
using base::UserDataAdapter;
namespace content {
namespace {
class NonOwningZoomData : public base::SupportsUserData::Data {
public:
explicit NonOwningZoomData(HostZoomMap* hzm) : host_zoom_map_(hzm) {}
HostZoomMap* host_zoom_map() { return host_zoom_map_; }
private:
HostZoomMap* host_zoom_map_;
};
} // namespace
ResourceContext::ResourceContext() {
if (ResourceDispatcherHostImpl::Get())
ResourceDispatcherHostImpl::Get()->AddResourceContext(this);
}
ResourceContext::~ResourceContext() {
ResourceDispatcherHostImpl* rdhi = ResourceDispatcherHostImpl::Get();
if (rdhi) {
rdhi->CancelRequestsForContext(this);
rdhi->RemoveResourceContext(this);
}
}
ChromeBlobStorageContext* GetChromeBlobStorageContextForResourceContext(
ResourceContext* resource_context) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
return UserDataAdapter<ChromeBlobStorageContext>::Get(
resource_context, kBlobStorageContextKeyName);
}
HostZoomMap* GetHostZoomMapForResourceContext(ResourceContext* context) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
return static_cast<NonOwningZoomData*>(
context->GetUserData(kHostZoomMapKeyName))->host_zoom_map();
}
void InitializeResourceContext(BrowserContext* browser_context) {
ResourceContext* resource_context = browser_context->GetResourceContext();
DCHECK(!resource_context->GetUserData(kHostZoomMapKeyName));
resource_context->SetUserData(
kBlobStorageContextKeyName,
new UserDataAdapter<ChromeBlobStorageContext>(
ChromeBlobStorageContext::GetFor(browser_context)));
// This object is owned by the BrowserContext and not ResourceContext, so
// store a non-owning pointer here.
resource_context->SetUserData(
kHostZoomMapKeyName,
new NonOwningZoomData(
HostZoomMap::GetForBrowserContext(browser_context)));
resource_context->DetachUserDataThread();
}
} // namespace content
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