15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "android_webview/browser/net_disk_cache_remover.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind_helpers.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_context.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_thread.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/web_contents.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/disk_cache/disk_cache.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/http/http_cache.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/http/http_transaction_factory.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/url_request/url_request_context_getter.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/url_request/url_request_context.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/completion_callback.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::BrowserThread; 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using disk_cache::Backend; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using net::CompletionCallback; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using net::URLRequestContextGetter; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Everything is called and accessed on the IO thread. 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Noop(int rv) { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(rv == net::OK); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CallDoomAllEntries(Backend** backend, int rv) { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(rv == net::OK); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*backend)->DoomAllEntries(base::Bind(&Noop)); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ClearHttpDiskCacheOfContext(URLRequestContextGetter* context_getter) { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) typedef Backend* BackendPtr; // Make line below easier to understand. 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BackendPtr* backend_ptr = new BackendPtr(NULL); 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CompletionCallback callback(base::Bind(&CallDoomAllEntries, 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Owned(backend_ptr))); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int rv = context_getter->GetURLRequestContext()-> 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) http_transaction_factory()->GetCache()->GetBackend(backend_ptr, callback); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If not net::ERR_IO_PENDING, then backend pointer is updated but callback 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // is not called, so call it explicitly. 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (rv != net::ERR_IO_PENDING) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) callback.Run(net::OK); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ClearHttpDiskCacheOnIoThread( 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) URLRequestContextGetter* main_context_getter, 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) URLRequestContextGetter* media_context_getter) { 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClearHttpDiskCacheOfContext(main_context_getter); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClearHttpDiskCacheOfContext(media_context_getter); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace android_webview { 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void RemoveHttpDiskCache(content::BrowserContext* browser_context, 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int renderer_child_id) { 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) URLRequestContextGetter* main_context_getter = 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) browser_context->GetRequestContextForRenderProcess(renderer_child_id); 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) URLRequestContextGetter* media_context_getter = 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) browser_context->GetMediaRequestContextForRenderProcess( 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) renderer_child_id); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserThread::PostTask( 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserThread::IO, FROM_HERE, 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&ClearHttpDiskCacheOnIoThread, 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Unretained(main_context_getter), 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Unretained(media_context_getter))); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace android_webview 77