Define the public interface for content browser SiteInstance. This interface is implemented by th...

content/browser/site_instance_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/site_instance.h"
+#include "content/browser/site_instance_impl.h"
 
 #include "base/command_line.h"
 #include "content/browser/browsing_instance.h"
 #include "content/browser/child_process_security_policy.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host_factory.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "net/base/registry_controlled_domain.h"
 
 static bool IsURLSameAsAnySiteInstance(const GURL& url) {
   if (!url.is_valid())
     return false;
 
   // We treat javascript: as the same site as any URL since it is actually
   // a modifier on existing pages.
   if (url.SchemeIs(chrome::kJavaScriptScheme))
     return true;
 
   return
       content::GetContentClient()->browser()->IsURLSameAsAnySiteInstance(url);
 }
 
-int32 SiteInstance::next_site_instance_id_ = 1;
+int32 SiteInstanceImpl::next_site_instance_id_ = 1;
 
-SiteInstance::SiteInstance(BrowsingInstance* browsing_instance)
+SiteInstanceImpl::SiteInstanceImpl(BrowsingInstance* browsing_instance)
     : id_(next_site_instance_id_++),
       browsing_instance_(browsing_instance),
       render_process_host_factory_(NULL),
       process_(NULL),
       has_site_(false) {
   DCHECK(browsing_instance);
 
   registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_TERMINATED,
                  content::NotificationService::AllBrowserContextsAndSources());
 }
 
-SiteInstance::~SiteInstance() {
+SiteInstanceImpl::~SiteInstanceImpl() {
   content::GetContentClient()->browser()->SiteInstanceDeleting(this);
 
   // Now that no one is referencing us, we can safely remove ourselves from
   // the BrowsingInstance.  Any future visits to a page from this site
   // (within the same BrowsingInstance) can safely create a new SiteInstance.
   if (has_site_)
-    browsing_instance_->UnregisterSiteInstance(this);
+    browsing_instance_->UnregisterSiteInstance(
+        static_cast<content::SiteInstance*>(this));
 }
 
-bool SiteInstance::HasProcess() const {
+int32 SiteInstanceImpl::GetId() {
+  return id_;
+}
+
+bool SiteInstanceImpl::HasProcess() const {
   return (process_ != NULL);
 }
 
-content::RenderProcessHost* SiteInstance::GetProcess() {
+content::RenderProcessHost* SiteInstanceImpl::GetProcess() {
   // TODO(erikkay) It would be nice to ensure that the renderer type had been
   // properly set before we get here.  The default tab creation case winds up
   // with no site set at this point, so it will default to TYPE_NORMAL.  This
   // may not be correct, so we'll wind up potentially creating a process that
   // we then throw away, or worse sharing a process with the wrong process type.
   // See crbug.com/43448.
 
   // Create a new process if ours went away or was reused.
   if (!process_) {
     // See if we should reuse an old process
@@ skipping 15 matching lines @@
     content::GetContentClient()->browser()->SiteInstanceGotProcess(this);
 
     if (has_site_)
       LockToOrigin();
   }
   DCHECK(process_);
 
   return process_;
 }
 
-void SiteInstance::SetSite(const GURL& url) {
+void SiteInstanceImpl::SetSite(const GURL& url) {
   // A SiteInstance's site should not change.
   // TODO(creis): When following links or script navigations, we can currently
   // render pages from other sites in this SiteInstance.  This will eventually
   // be fixed, but until then, we should still not set the site of a
   // SiteInstance more than once.
   DCHECK(!has_site_);
 
   // Remember that this SiteInstance has been used to load a URL, even if the
   // URL is invalid.
   has_site_ = true;
   site_ = GetSiteForURL(browsing_instance_->browser_context(), url);
 
   // Now that we have a site, register it with the BrowsingInstance.  This
   // ensures that we won't create another SiteInstance for this site within
   // the same BrowsingInstance, because all same-site pages within a
   // BrowsingInstance can script each other.
   browsing_instance_->RegisterSiteInstance(this);
 
   if (process_)
     LockToOrigin();
 }
 
-bool SiteInstance::HasRelatedSiteInstance(const GURL& url) {
+const GURL& SiteInstanceImpl::GetSite() const {
+  return site_;
+}
+
+bool SiteInstanceImpl::HasSite() const {
+  return has_site_;
+}
+
+bool SiteInstanceImpl::HasRelatedSiteInstance(const GURL& url) {
   return browsing_instance_->HasSiteInstance(url);
 }
 
-SiteInstance* SiteInstance::GetRelatedSiteInstance(const GURL& url) {
+content::SiteInstance* SiteInstanceImpl::GetRelatedSiteInstance(
+    const GURL& url) {
   return browsing_instance_->GetSiteInstanceForURL(url);
 }
 
-bool SiteInstance::HasWrongProcessForURL(const GURL& url) const {
+bool SiteInstanceImpl::HasWrongProcessForURL(const GURL& url) const {
   // Having no process isn't a problem, since we'll assign it correctly.
   if (!HasProcess())
     return false;
 
   // If the URL to navigate to can be associated with any site instance,
   // we want to keep it in the same process.
   if (IsURLSameAsAnySiteInstance(url))
     return false;
 
   // If the site URL is an extension (e.g., for hosted apps or WebUI) but the
   // process is not (or vice versa), make sure we notice and fix it.
   GURL site_url = GetSiteForURL(browsing_instance_->browser_context(), url);
   return !RenderProcessHostImpl::IsSuitableHost(
       process_, browsing_instance_->browser_context(), site_url);
 }
 
-content::BrowserContext* SiteInstance::GetBrowserContext() const {
+content::BrowserContext* SiteInstanceImpl::GetBrowserContext() const {
   return browsing_instance_->browser_context();
 }
 
-/*static*/
-SiteInstance* SiteInstance::CreateSiteInstance(
-    content::BrowserContext* browser_context) {
-  return new SiteInstance(new BrowsingInstance(browser_context));
+BrowsingInstance* SiteInstanceImpl::GetBrowsingInstance() const {
+  return browsing_instance_;
 }
 
 /*static*/
-SiteInstance* SiteInstance::CreateSiteInstanceForURL(
+content::SiteInstance* content::SiteInstance::CreateSiteInstance(
+    content::BrowserContext* browser_context) {
+  return new SiteInstanceImpl(new BrowsingInstance(browser_context));
+}
+
+/*static*/
+content::SiteInstance* content::SiteInstance::CreateSiteInstanceForURL(
     content::BrowserContext* browser_context, const GURL& url) {
   // This BrowsingInstance may be deleted if it returns an existing
   // SiteInstance.
   scoped_refptr<BrowsingInstance> instance(
       new BrowsingInstance(browser_context));
   return instance->GetSiteInstanceForURL(url);
 }
 
 /*static*/
-GURL SiteInstance::GetSiteForURL(content::BrowserContext* browser_context,
-                                 const GURL& real_url) {
+GURL content::SiteInstance::GetSiteForURL(
+    content::BrowserContext* browser_context, const GURL& real_url) {
   GURL url = GetEffectiveURL(browser_context, real_url);
 
   // URLs with no host should have an empty site.
   GURL site;
 
   // TODO(creis): For many protocols, we should just treat the scheme as the
   // site, since there is no host.  e.g., file:, about:, chrome:
 
   // If the url has a host, then determine the site.
   if (url.has_host()) {
@@ skipping 14 matching lines @@
     if (!domain.empty()) {
       GURL::Replacements rep;
       rep.SetHostStr(domain);
       site = site.ReplaceComponents(rep);
     }
   }
   return site;
 }
 
 /*static*/
-bool SiteInstance::IsSameWebSite(content::BrowserContext* browser_context,
-                                 const GURL& real_url1, const GURL& real_url2) {
+bool content::SiteInstance::IsSameWebSite(
+    content::BrowserContext* browser_context, const GURL& real_url1,
+    const GURL& real_url2) {
   GURL url1 = GetEffectiveURL(browser_context, real_url1);
   GURL url2 = GetEffectiveURL(browser_context, real_url2);
 
   // We infer web site boundaries based on the registered domain name of the
   // top-level page and the scheme.  We do not pay attention to the port if
   // one is present, because pages served from different ports can still
   // access each other if they change their document.domain variable.
 
   // Some special URLs will match the site instance of any other URL. This is
   // done before checking both of them for validity, since we want these URLs
   // to have the same site instance as even an invalid one.
   if (IsURLSameAsAnySiteInstance(url1) || IsURLSameAsAnySiteInstance(url2))
     return true;
 
   // If either URL is invalid, they aren't part of the same site.
   if (!url1.is_valid() || !url2.is_valid())
     return false;
 
   // If the schemes differ, they aren't part of the same site.
   if (url1.scheme() != url2.scheme())
     return false;
 
   return net::RegistryControlledDomainService::SameDomainOrHost(url1, url2);
 }
 
 /*static*/
-GURL SiteInstance::GetEffectiveURL(content::BrowserContext* browser_context,
-                                   const GURL& url) {
+GURL content::SiteInstance::GetEffectiveURL(
+    content::BrowserContext* browser_context, const GURL& url) {
   return content::GetContentClient()->browser()->
       GetEffectiveURL(browser_context, url);
 }
 
-void SiteInstance::Observe(int type,
-                           const content::NotificationSource& source,
-                           const content::NotificationDetails& details) {
+void SiteInstanceImpl::Observe(int type,
+                               const content::NotificationSource& source,
+                               const content::NotificationDetails& details) {
   DCHECK(type == content::NOTIFICATION_RENDERER_PROCESS_TERMINATED);
   content::RenderProcessHost* rph =
       content::Source<content::RenderProcessHost>(source).ptr();
   if (rph == process_)
     process_ = NULL;
 }
 
-void SiteInstance::LockToOrigin() {
+void SiteInstanceImpl::LockToOrigin() {
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch(switches::kEnableStrictSiteIsolation)) {
     ChildProcessSecurityPolicy* policy =
         ChildProcessSecurityPolicy::GetInstance();
     policy->LockToOrigin(process_->GetID(), site_);
   }
 }