| // 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 "chrome/browser/tab_contents/tab_util.h" |
| |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h" |
| #include "chrome/common/chrome_switches.h" |
| #include "content/public/browser/render_frame_host.h" |
| #include "content/public/browser/render_view_host.h" |
| #include "content/public/browser/site_instance.h" |
| #include "content/public/browser/web_contents.h" |
| #include "extensions/buildflags/buildflags.h" |
| #include "url/gurl.h" |
| |
| #if BUILDFLAG(ENABLE_EXTENSIONS) |
| #include "extensions/browser/extension_registry.h" |
| #endif |
| |
| using content::RenderFrameHost; |
| using content::RenderViewHost; |
| using content::SiteInstance; |
| using content::WebContents; |
| |
| namespace tab_util { |
| |
| content::WebContents* GetWebContentsByID(int render_process_id, |
| int render_view_id) { |
| RenderViewHost* render_view_host = |
| RenderViewHost::FromID(render_process_id, render_view_id); |
| if (!render_view_host) |
| return NULL; |
| return WebContents::FromRenderViewHost(render_view_host); |
| } |
| |
| content::WebContents* GetWebContentsByFrameID(int render_process_id, |
| int render_frame_id) { |
| RenderFrameHost* render_frame_host = |
| RenderFrameHost::FromID(render_process_id, render_frame_id); |
| if (!render_frame_host) |
| return NULL; |
| return WebContents::FromRenderFrameHost(render_frame_host); |
| } |
| |
| scoped_refptr<SiteInstance> GetSiteInstanceForNewTab(Profile* profile, |
| const GURL& url) { |
| // If |url| is a WebUI or extension, we set the SiteInstance up front so that |
| // we don't end up with an extra process swap on the first navigation. |
| if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(profile, url)) |
| return SiteInstance::CreateForURL(profile, url); |
| |
| #if BUILDFLAG(ENABLE_EXTENSIONS) |
| if (extensions::ExtensionRegistry::Get(profile) |
| ->enabled_extensions() |
| .GetHostedAppByURL(url)) |
| return SiteInstance::CreateForURL(profile, url); |
| #endif |
| |
| // We used to share the SiteInstance for same-site links opened in new tabs, |
| // to leverage the in-memory cache and reduce process creation. It now |
| // appears that it is more useful to have such links open in a new process, |
| // so we create new tabs in a new BrowsingInstance. |
| // Create a new SiteInstance for the |url| unless it is not desirable. |
| if (!SiteInstance::ShouldAssignSiteForURL(url)) |
| return nullptr; |
| |
| return SiteInstance::CreateForURL(profile, url); |
| } |
| |
| } // namespace tab_util |