chrome/browser/sessions/session_tab_helper.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/sessions/session_tab_helper.h"
   6
   7 #include "chrome/browser/chrome_notification_types.h"
   8 #include "chrome/browser/profiles/profile.h"
   9 #include "chrome/browser/sessions/session_service.h"
  10 #include "chrome/browser/sessions/session_service_factory.h"
  11 #include "content/public/browser/notification_service.h"
  12 #include "content/public/browser/render_view_host.h"
  13 #include "content/public/browser/web_contents.h"
  14
  15 #if defined(ENABLE_EXTENSIONS)
  16 #include "extensions/common/extension_messages.h"
  17 #endif
  18
  19 DEFINE_WEB_CONTENTS_USER_DATA_KEY(SessionTabHelper);
  20
  21 SessionTabHelper::SessionTabHelper(content::WebContents* contents)
  22     : content::WebContentsObserver(contents) {
  23 }
  24
  25 SessionTabHelper::~SessionTabHelper() {
  26 }
  27
  28 void SessionTabHelper::SetWindowID(const SessionID& id) {
  29   window_id_ = id;
  30
  31 #if defined(ENABLE_EXTENSIONS)
  32   // Extension code in the renderer holds the ID of the window that hosts it.
  33   // Notify it that the window ID changed.
  34   web_contents()->GetRenderViewHost()->Send(
  35           new ExtensionMsg_UpdateBrowserWindowId(
  36           web_contents()->GetRenderViewHost()->GetRoutingID(), id.id()));
  37 #endif
  38 }
  39
  40 // static
  41 SessionID::id_type SessionTabHelper::IdForTab(const content::WebContents* tab) {
  42   const SessionTabHelper* session_tab_helper =
  43       tab ? SessionTabHelper::FromWebContents(tab) : NULL;
  44   return session_tab_helper ? session_tab_helper->session_id().id() : -1;
  45 }
  46
  47 // static
  48 SessionID::id_type SessionTabHelper::IdForWindowContainingTab(
  49     const content::WebContents* tab) {
  50   const SessionTabHelper* session_tab_helper =
  51       tab ? SessionTabHelper::FromWebContents(tab) : NULL;
  52   return session_tab_helper ? session_tab_helper->window_id().id() : -1;
  53 }
  54
  55 #if defined(ENABLE_EXTENSIONS)
  56 void SessionTabHelper::RenderViewCreated(
  57     content::RenderViewHost* render_view_host) {
  58   render_view_host->Send(
  59       new ExtensionMsg_UpdateBrowserWindowId(render_view_host->GetRoutingID(),
  60                                              window_id_.id()));
  61 }
  62 #endif
  63
  64 void SessionTabHelper::UserAgentOverrideSet(const std::string& user_agent) {
  65 #if defined(ENABLE_SESSION_SERVICE)
  66   Profile* profile =
  67       Profile::FromBrowserContext(web_contents()->GetBrowserContext());
  68   SessionService* session = SessionServiceFactory::GetForProfile(profile);
  69   if (session)
  70     session->SetTabUserAgentOverride(window_id(), session_id(), user_agent);
  71 #endif
  72 }