125 lines
4.1 KiB
C++
125 lines
4.1 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "browser_webblobregistry_impl.h"
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#include "base/message_loop.h"
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#include "base/task.h"
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#include "googleurl/src/gurl.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/WebBlobData.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/WebCString.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h"
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#include "webkit/blob/blob_data.h"
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#include "webkit/blob/blob_storage_controller.h"
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using WebKit::WebBlobData;
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using WebKit::WebString;
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using WebKit::WebURL;
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namespace {
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MessageLoop* g_io_thread;
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webkit_blob::BlobStorageController* g_blob_storage_controller;
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// WebURL contains a WebCString object that is ref-counted,
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// but not thread-safe ref-counted.
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// "Normal" copying of WebURL results in a copy that is not thread-safe.
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// This method creates a deep copy of WebURL.
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WebURL GetWebURLThreadsafeCopy(const WebURL& source) {
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const WebKit::WebCString spec(source.spec());
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const url_parse::Parsed& parsed(source.parsed());
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const bool is_valid = source.isValid();
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return WebURL(spec, parsed, is_valid);
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}
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} // namespace
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/* static */
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void BrowserWebBlobRegistryImpl::InitializeOnIOThread(
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webkit_blob::BlobStorageController* blob_storage_controller) {
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g_io_thread = MessageLoop::current();
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g_blob_storage_controller = blob_storage_controller;
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}
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/* static */
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void BrowserWebBlobRegistryImpl::Cleanup() {
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g_io_thread = NULL;
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g_blob_storage_controller = NULL;
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}
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BrowserWebBlobRegistryImpl::BrowserWebBlobRegistryImpl() {
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}
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void BrowserWebBlobRegistryImpl::registerBlobURL(
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const WebURL& url, WebBlobData& data) {
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DCHECK(g_io_thread);
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CancelableTask* task;
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{
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scoped_refptr<webkit_blob::BlobData> blob_data(
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new webkit_blob::BlobData(data));
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WebURL url_copy = GetWebURLThreadsafeCopy(url);
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task =
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NewRunnableMethod(
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this, &BrowserWebBlobRegistryImpl::DoRegisterBlobUrl, url_copy,
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blob_data);
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// After this block exits, url_copy is disposed, and
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// the underlying WebCString will have a refcount=1 and will
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// only be accessible from the task object.
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}
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g_io_thread->PostTask(FROM_HERE, task);
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}
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void BrowserWebBlobRegistryImpl::registerBlobURL(
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const WebURL& url, const WebURL& src_url) {
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DCHECK(g_io_thread);
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CancelableTask* task;
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{
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WebURL url_copy = GetWebURLThreadsafeCopy(url);
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WebURL src_url_copy = GetWebURLThreadsafeCopy(src_url);
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task =
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NewRunnableMethod(this,
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&BrowserWebBlobRegistryImpl::DoRegisterBlobUrlFrom,
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url_copy,
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src_url_copy);
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// After this block exits, url_copy and src_url_copy are disposed, and
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// the underlying WebCStrings will have a refcount=1 and will
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// only be accessible from the task object.
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}
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g_io_thread->PostTask(FROM_HERE, task);
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}
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void BrowserWebBlobRegistryImpl::unregisterBlobURL(const WebURL& url) {
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DCHECK(g_io_thread);
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CancelableTask* task;
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{
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WebURL url_copy = GetWebURLThreadsafeCopy(url);
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task =
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NewRunnableMethod(this,
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&BrowserWebBlobRegistryImpl::DoUnregisterBlobUrl,
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url_copy);
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// After this block exits, url_copy is disposed, and
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// the underlying WebCString will have a refcount=1 and will
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// only be accessible from the task object.
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}
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g_io_thread->PostTask(FROM_HERE, task);
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}
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void BrowserWebBlobRegistryImpl::DoRegisterBlobUrl(
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const GURL& url, webkit_blob::BlobData* blob_data) {
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DCHECK(g_blob_storage_controller);
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g_blob_storage_controller->RegisterBlobUrl(url, blob_data);
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}
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void BrowserWebBlobRegistryImpl::DoRegisterBlobUrlFrom(
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const GURL& url, const GURL& src_url) {
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DCHECK(g_blob_storage_controller);
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g_blob_storage_controller->RegisterBlobUrlFrom(url, src_url);
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}
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void BrowserWebBlobRegistryImpl::DoUnregisterBlobUrl(const GURL& url) {
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DCHECK(g_blob_storage_controller);
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g_blob_storage_controller->UnregisterBlobUrl(url);
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}
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