Move android mediaplayer from render process to browser process.

content/browser/android/cookie_getter_impl.cc

+// 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/android/cookie_getter_impl.h"
+
+#include "base/bind.h"
+#include "content/browser/child_process_security_policy_impl.h"
+#include "content/public/browser/browser_context.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/content_browser_client.h"
+#include "content/public/common/content_client.h"
+#include "googleurl/src/gurl.h"
+#include "net/cookies/cookie_monster.h"
+#include "net/cookies/cookie_store.h"
+#include "net/url_request/url_request_context.h"
+#include "net/url_request/url_request_context_getter.h"
+
+namespace content {
+
+static void ReturnCookieOnUIThread(
+    const media::CookieGetter::GetCookieCB& callback,
+    const std::string& cookies) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  BrowserThread::PostTask(
+      BrowserThread::UI, FROM_HERE, base::Bind(callback, cookies));
+}
+
+// The task object that retrieves cookie on the IO thread.
+// TODO(qinmin): refactor this class to make the code reusable by others as
+// there are lots of duplicated functionalities elsewhere.
+class CookieGetterTask
+     : public base::RefCountedThreadSafe<CookieGetterTask> {
+ public:
+  CookieGetterTask(BrowserContext* browser_context,
+                   int renderer_id, int routing_id);
+  virtual ~CookieGetterTask();
+
+  // Called by CookieGetterImpl to start getting cookies for a URL.
+  void RequestCookies(
+      const GURL& url, const GURL& first_party_for_cookies,
+      const media::CookieGetter::GetCookieCB& callback);
+
+ private:
+  void CheckPolicyForCookies(
+      const GURL& url, const GURL& first_party_for_cookies,
+      const media::CookieGetter::GetCookieCB& callback,
+      const net::CookieList& cookie_list);
+
+  // Context getter used to get the CookieStore.
+  net::URLRequestContextGetter* context_getter_;
+
+  // Resource context for checking cookie policies.
+  ResourceContext* resource_context_;
+
+  // Render process id, used to check whether the process can access cookies.
+  int renderer_id_;
+
+  // Routing id for the render view, used to check tab specific cookie policy.
+  int routing_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(CookieGetterTask);
+};
+
+CookieGetterTask::CookieGetterTask(
+    BrowserContext* browser_context, int renderer_id, int routing_id)
+    : context_getter_(browser_context->GetRequestContext()),
+      resource_context_(browser_context->GetResourceContext()),
+      renderer_id_(renderer_id),
+      routing_id_(routing_id) {
+}
+
+CookieGetterTask::~CookieGetterTask() {}
+
+void CookieGetterTask::RequestCookies(
+    const GURL& url, const GURL& first_party_for_cookies,
+    const media::CookieGetter::GetCookieCB& callback) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  ChildProcessSecurityPolicyImpl* policy =
+      ChildProcessSecurityPolicyImpl::GetInstance();
+  if (!policy->CanUseCookiesForOrigin(renderer_id_, url)) {
+    callback.Run(std::string());
+    return;
+  }
+
+  net::CookieStore* cookie_store =
+      context_getter_->GetURLRequestContext()->cookie_store();
+  if (!cookie_store) {
+    callback.Run(std::string());
+    return;
+  }
+
+  net::CookieMonster* cookie_monster = cookie_store->GetCookieMonster();
+  if (cookie_monster) {
+    cookie_monster->GetAllCookiesForURLAsync(url, base::Bind(
+        &CookieGetterTask::CheckPolicyForCookies, this,
+        url, first_party_for_cookies, callback));
+  } else {
+    callback.Run(std::string());
+  }
+}
+
+void CookieGetterTask::CheckPolicyForCookies(
+    const GURL& url, const GURL& first_party_for_cookies,
+    const media::CookieGetter::GetCookieCB& callback,
+    const net::CookieList& cookie_list) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  if (GetContentClient()->browser()->AllowGetCookie(
+      url, first_party_for_cookies, cookie_list,
+      resource_context_, renderer_id_, routing_id_)) {
+    net::CookieStore* cookie_store =
+        context_getter_->GetURLRequestContext()->cookie_store();
+    cookie_store->GetCookiesWithOptionsAsync(
+        url, net::CookieOptions(), callback);
+  } else {
+    callback.Run(std::string());
+  }
+}
+
+CookieGetterImpl::CookieGetterImpl(
+    BrowserContext* browser_context, int renderer_id, int routing_id)
+    : browser_context_(browser_context),
+      ALLOW_THIS_IN_INITIALIZER_LIST(weak_this_(this)),
+      renderer_id_(renderer_id),
+      routing_id_(routing_id) {
+}
+
+CookieGetterImpl::~CookieGetterImpl() {}
+
+void CookieGetterImpl::GetCookies(const std::string& url,
+                                  const std::string& first_party_for_cookies,
+                                  const GetCookieCB& callback) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  scoped_refptr<CookieGetterTask> task = new CookieGetterTask(
+      browser_context_, renderer_id_, routing_id_);
+
+  GetCookieCB cb = base::Bind(
+      &CookieGetterImpl::GetCookiesCallback, weak_this_.GetWeakPtr(), callback);
+  BrowserThread::PostTask(
+      BrowserThread::IO,
+      FROM_HERE,
+      base::Bind(&CookieGetterTask::RequestCookies,
+                 task, GURL(url), GURL(first_party_for_cookies),
+                 base::Bind(&ReturnCookieOnUIThread, cb)));
+}
+
+void CookieGetterImpl::GetCookiesCallback(
+    const GetCookieCB& callback, const std::string& cookies) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  callback.Run(cookies);
+}
+
+}  // namespace content