Move content\browser\web_contents to content namespace.

content/browser/web_contents/render_view_host_manager.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/web_contents/render_view_host_manager.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "content/browser/debugger/devtools_manager_impl.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_factory.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/web_contents/navigation_controller_impl.h"
 #include "content/browser/web_contents/navigation_entry_impl.h"
 #include "content/browser/webui/web_ui_impl.h"
 #include "content/common/view_messages.h"
 #include "content/port/browser/render_widget_host_view_port.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/web_contents_view.h"
 #include "content/public/browser/web_ui_controller.h"
 #include "content/public/browser/web_ui_controller_factory.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 
-using content::NavigationController;
-using content::NavigationControllerImpl;
-using content::NavigationEntry;
-using content::NavigationEntryImpl;
-using content::RenderProcessHost;
-using content::RenderProcessHostImpl;
-using content::RenderViewHost;
-using content::RenderViewHostFactory;
-using content::RenderViewHostImpl;
-using content::RenderWidgetHostView;
-using content::RenderWidgetHostViewPort;
-using content::SiteInstance;
-using content::WebUIControllerFactory;
-using content::WebUIImpl;
+namespace content {
 
 RenderViewHostManager::RenderViewHostManager(
-    content::RenderViewHostDelegate* render_view_delegate,
-    content::RenderWidgetHostDelegate* render_widget_delegate,
+    RenderViewHostDelegate* render_view_delegate,
+    RenderWidgetHostDelegate* render_widget_delegate,
     Delegate* delegate)
     : delegate_(delegate),
       cross_navigation_pending_(false),
       render_view_delegate_(render_view_delegate),
       render_widget_delegate_(render_widget_delegate),
       render_view_host_(NULL),
       pending_render_view_host_(NULL),
       interstitial_page_(NULL) {
 }
 
 RenderViewHostManager::~RenderViewHostManager() {
   if (pending_render_view_host_)
     CancelPending();
 
   // We should always have a main RenderViewHost except in some tests.
   RenderViewHostImpl* render_view_host = render_view_host_;
   render_view_host_ = NULL;
   if (render_view_host)
     render_view_host->Shutdown();
 
   // Shut down any swapped out RenderViewHosts.
   for (RenderViewHostMap::iterator iter = swapped_out_hosts_.begin();
        iter != swapped_out_hosts_.end();
        ++iter) {
     iter->second->Shutdown();
   }
 }
 
-void RenderViewHostManager::Init(content::BrowserContext* browser_context,
+void RenderViewHostManager::Init(BrowserContext* browser_context,
                                  SiteInstance* site_instance,
                                  int routing_id) {
   // Create a RenderViewHost, once we have an instance.  It is important to
   // immediately give this SiteInstance to a RenderViewHost so that it is
   // ref counted.
   if (!site_instance)
     site_instance = SiteInstance::Create(browser_context);
   render_view_host_ = static_cast<RenderViewHostImpl*>(
       RenderViewHostFactory::Create(
           site_instance, render_view_delegate_, render_widget_delegate_,
           routing_id, false, delegate_->
           GetControllerForRenderManager().GetSessionStorageNamespace(
               site_instance)));
 
   // Keep track of renderer processes as they start to shut down.
-  registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_CLOSING,
-                 content::NotificationService::AllSources());
+  registrar_.Add(this, NOTIFICATION_RENDERER_PROCESS_CLOSING,
+                 NotificationService::AllSources());
 }
 
 RenderViewHostImpl* RenderViewHostManager::current_host() const {
   return render_view_host_;
 }
 
 RenderViewHostImpl* RenderViewHostManager::pending_render_view_host() const {
   return pending_render_view_host_;
 }
 
@@ skipping 33 matching lines @@
     // on it later.
     if (dest_render_view_host != render_view_host_ &&
         dest_render_view_host->GetView()) {
       dest_render_view_host->GetView()->Hide();
     } else {
       // This is our primary renderer, notify here as we won't be calling
       // CommitPending (which does the notify).
       RenderViewHost* null_rvh = NULL;
       std::pair<RenderViewHost*, RenderViewHost*> details =
           std::make_pair(null_rvh, render_view_host_);
-      content::NotificationService::current()->Notify(
-          content::NOTIFICATION_RENDER_VIEW_HOST_CHANGED,
-          content::Source<NavigationController>(
+      NotificationService::current()->Notify(
+          NOTIFICATION_RENDER_VIEW_HOST_CHANGED,
+          Source<NavigationController>(
               &delegate_->GetControllerForRenderManager()),
-          content::Details<std::pair<RenderViewHost*, RenderViewHost*> >(
+          Details<std::pair<RenderViewHost*, RenderViewHost*> >(
               &details));
     }
   }
 
   return dest_render_view_host;
 }
 
 void RenderViewHostManager::Stop() {
   render_view_host_->Stop();
 
@@ skipping 211 matching lines @@
   // ResourceDispatcherHost has told us to run the onunload handler, which
   // means it is not a download or unsafe page, and we are going to perform the
   // navigation.  Thus, we no longer need to remember that the RenderViewHost
   // is part of a pending cross-site request.
   pending_render_view_host_->SetHasPendingCrossSiteRequest(false,
                                                            new_request_id);
 }
 
 void RenderViewHostManager::Observe(
     int type,
-    const content::NotificationSource& source,
-    const content::NotificationDetails& details) {
+    const NotificationSource& source,
+    const NotificationDetails& details) {
   switch (type) {
-    case content::NOTIFICATION_RENDERER_PROCESS_CLOSING:
+    case NOTIFICATION_RENDERER_PROCESS_CLOSING:
       RendererProcessClosing(
-          content::Source<RenderProcessHost>(source).ptr());
+          Source<RenderProcessHost>(source).ptr());
       break;
 
     default:
       NOTREACHED();
   }
 }
 
 bool RenderViewHostManager::ShouldTransitionCrossSite() {
   // True if we are using process-per-site-instance (default) or
   // process-per-site (kProcessPerSite).
   return !CommandLine::ForCurrentProcess()->HasSwitch(switches::kProcessPerTab);
 }
 
 bool RenderViewHostManager::ShouldSwapProcessesForNavigation(
     const NavigationEntry* curr_entry,
     const NavigationEntryImpl* new_entry) const {
   DCHECK(new_entry);
 
   // Check for reasons to swap processes even if we are in a process model that
   // doesn't usually swap (e.g., process-per-tab).
 
   // For security, we should transition between processes when one is a Web UI
   // page and one isn't.  If there's no curr_entry, check the current RVH's
   // site, which might already be committed to a Web UI URL (such as the NTP).
   const GURL& current_url = (curr_entry) ? curr_entry->GetURL() :
       render_view_host_->GetSiteInstance()->GetSiteURL();
-  content::BrowserContext* browser_context =
+  BrowserContext* browser_context =
       delegate_->GetControllerForRenderManager().GetBrowserContext();
   const WebUIControllerFactory* web_ui_factory =
-      content::GetContentClient()->browser()->GetWebUIControllerFactory();
+      GetContentClient()->browser()->GetWebUIControllerFactory();
   if (web_ui_factory) {
     if (web_ui_factory->UseWebUIForURL(browser_context, current_url)) {
       // Force swap if it's not an acceptable URL for Web UI.
       // Here, data URLs are never allowed.
       if (!web_ui_factory->IsURLAcceptableForWebUI(browser_context,
                                                    new_entry->GetURL(), false))
         return true;
     } else {
       // Force swap if it's a Web UI URL.
       if (web_ui_factory->UseWebUIForURL(browser_context, new_entry->GetURL()))
         return true;
     }
   }
 
-  if (content::GetContentClient()->browser()->ShouldSwapProcessesForNavigation(
+  if (GetContentClient()->browser()->ShouldSwapProcessesForNavigation(
           curr_entry ? curr_entry->GetURL() : GURL(), new_entry->GetURL())) {
     return true;
   }
 
   if (!curr_entry)
     return false;
 
   // We can't switch a RenderView between view source and non-view source mode
   // without screwing up the session history sometimes (when navigating between
   // "view-source:http://foo.com/" and "http://foo.com/", WebKit doesn't treat
   // it as a new navigation). So require a view switch.
   if (curr_entry->IsViewSourceMode() != new_entry->IsViewSourceMode())
     return true;
 
   return false;
 }
 
 bool RenderViewHostManager::ShouldReuseWebUI(
     const NavigationEntry* curr_entry,
     const NavigationEntryImpl* new_entry) const {
   NavigationControllerImpl& controller =
       delegate_->GetControllerForRenderManager();
   WebUIControllerFactory* factory =
-      content::GetContentClient()->browser()->GetWebUIControllerFactory();
+      GetContentClient()->browser()->GetWebUIControllerFactory();
   return curr_entry && web_ui_.get() &&
       (factory->GetWebUIType(controller.GetBrowserContext(),
                              curr_entry->GetURL()) ==
        factory->GetWebUIType(controller.GetBrowserContext(),
                              new_entry->GetURL()));
 }
 
 SiteInstance* RenderViewHostManager::GetSiteInstanceForEntry(
     const NavigationEntryImpl& entry,
     SiteInstance* curr_instance) {
   // NOTE: This is only called when ShouldTransitionCrossSite is true.
 
   const GURL& dest_url = entry.GetURL();
   NavigationControllerImpl& controller =
       delegate_->GetControllerForRenderManager();
-  content::BrowserContext* browser_context = controller.GetBrowserContext();
+  BrowserContext* browser_context = controller.GetBrowserContext();
 
   // If the entry has an instance already we should use it.
   if (entry.site_instance())
     return entry.site_instance();
 
   // (UGLY) HEURISTIC, process-per-site only:
   //
   // If this navigation is generated, then it probably corresponds to a search
   // query.  Given that search results typically lead to users navigating to
   // other sites, we don't really want to use the search engine hostname to
   // determine the site instance for this navigation.
   //
   // NOTE: This can be removed once we have a way to transition between
   //       RenderViews in response to a link click.
   //
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kProcessPerSite) &&
-      entry.GetTransitionType() == content::PAGE_TRANSITION_GENERATED)
+      entry.GetTransitionType() == PAGE_TRANSITION_GENERATED)
     return curr_instance;
 
   SiteInstanceImpl* curr_site_instance =
       static_cast<SiteInstanceImpl*>(curr_instance);
 
   // If we haven't used our SiteInstance (and thus RVH) yet, then we can use it
   // for this entry.  We won't commit the SiteInstance to this site until the
   // navigation commits (in DidNavigate), unless the navigation entry was
   // restored or it's a Web UI as described below.
   if (!curr_site_instance->HasSite()) {
@@ skipping 27 matching lines @@
     // View-source URLs must use a new SiteInstance and BrowsingInstance.
     // TODO(nasko): This is the same condition as later in the function. This
     // should be taken into account when refactoring this method as part of
     // http://crbug.com/123007.
     if (entry.IsViewSourceMode())
       return SiteInstance::CreateForURL(browser_context, dest_url);
 
     // If we are navigating from a blank SiteInstance to a WebUI, make sure we
     // create a new SiteInstance.
     const WebUIControllerFactory* web_ui_factory =
-        content::GetContentClient()->browser()->GetWebUIControllerFactory();
+        GetContentClient()->browser()->GetWebUIControllerFactory();
     if (web_ui_factory &&
         web_ui_factory->UseWebUIForURL(browser_context, dest_url)) {
         return SiteInstance::CreateForURL(browser_context, dest_url);
     }
 
     // Normally the "site" on the SiteInstance is set lazily when the load
     // actually commits. This is to support better process sharing in case
     // the site redirects to some other site: we want to use the destination
     // site in the site instance.
     //
@@ skipping 185 matching lines @@
   // Make sure the size is up to date.  (Fix for bug 1079768.)
   delegate_->UpdateRenderViewSizeForRenderManager();
 
   if (will_focus_location_bar)
     delegate_->SetFocusToLocationBar(false);
   else if (focus_render_view && render_view_host_->GetView())
     RenderWidgetHostViewPort::FromRWHV(render_view_host_->GetView())->Focus();
 
   std::pair<RenderViewHost*, RenderViewHost*> details =
       std::make_pair(old_render_view_host, render_view_host_);
-  content::NotificationService::current()->Notify(
-      content::NOTIFICATION_RENDER_VIEW_HOST_CHANGED,
-      content::Source<NavigationController>(
+  NotificationService::current()->Notify(
+      NOTIFICATION_RENDER_VIEW_HOST_CHANGED,
+      Source<NavigationController>(
           &delegate_->GetControllerForRenderManager()),
-      content::Details<std::pair<RenderViewHost*, RenderViewHost*> >(&details));
+      Details<std::pair<RenderViewHost*, RenderViewHost*> >(&details));
 
   // If the pending view was on the swapped out list, we can remove it.
   swapped_out_hosts_.erase(render_view_host_->GetSiteInstance()->GetId());
 
   // If the old RVH is live, we are swapping it out and should keep track of it
   // in case we navigate back to it.
   if (old_render_view_host->IsRenderViewLive()) {
     DCHECK(old_render_view_host->is_swapped_out());
     // Temp fix for http://crbug.com/90867 until we do a better cleanup to make
     // sure we don't get different rvh instances for the same site instance
@@ skipping 29 matching lines @@
   }
 
   // render_view_host_ will not be deleted before the end of this method, so we
   // don't have to worry about this SiteInstance's ref count dropping to zero.
   SiteInstance* curr_instance = render_view_host_->GetSiteInstance();
 
   // Determine if we need a new SiteInstance for this entry.
   // Again, new_instance won't be deleted before the end of this method, so it
   // is safe to use a normal pointer here.
   SiteInstance* new_instance = curr_instance;
-  const content::NavigationEntry* curr_entry =
+  const NavigationEntry* curr_entry =
       delegate_->GetLastCommittedNavigationEntryForRenderManager();
   bool is_guest_scheme = curr_instance->GetSiteURL().SchemeIs(
       chrome::kGuestScheme);
   bool force_swap = ShouldSwapProcessesForNavigation(curr_entry, &entry);
   if (!is_guest_scheme && (ShouldTransitionCrossSite() || force_swap))
     new_instance = GetSiteInstanceForEntry(entry, curr_instance);
 
   if (!is_guest_scheme && (new_instance != curr_instance || force_swap)) {
     // New SiteInstance.
     DCHECK(!cross_navigation_pending_);
@@ skipping 90 matching lines @@
   // Same SiteInstance can be used.  Navigate render_view_host_ if we are not
   // cross navigating.
   DCHECK(!cross_navigation_pending_);
   return render_view_host_;
 }
 
 void RenderViewHostManager::CancelPending() {
   RenderViewHostImpl* pending_render_view_host = pending_render_view_host_;
   pending_render_view_host_ = NULL;
 
-  content::DevToolsManagerImpl::GetInstance()->OnCancelPendingNavigation(
+  DevToolsManagerImpl::GetInstance()->OnCancelPendingNavigation(
       pending_render_view_host,
       render_view_host_);
 
   // We no longer need to prevent the process from exiting.
   pending_render_view_host->GetProcess()->RemovePendingView();
 
   // The pending RVH may already be on the swapped out list if we started to
   // swap it back in and then canceled.  If so, make sure it gets swapped out
   // again.  If it's not on the swapped out list (e.g., aborting a pending
   // load), then it's safe to shut down.
@@ skipping 50 matching lines @@
 }
 
 RenderViewHostImpl* RenderViewHostManager::GetSwappedOutRenderViewHost(
     SiteInstance* instance) {
   RenderViewHostMap::iterator iter = swapped_out_hosts_.find(instance->GetId());
   if (iter != swapped_out_hosts_.end())
     return iter->second;
 
   return NULL;
 }
+
+}  // namespace content