chrome/browser/extensions/chrome_extension_web_contents_observer.cc

   1 // Copyright 2014 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/extensions/chrome_extension_web_contents_observer.h"
   6
   7 #include "chrome/browser/extensions/error_console/error_console.h"
   8 #include "chrome/browser/extensions/extension_service.h"
   9 #include "chrome/common/extensions/chrome_extension_messages.h"
  10 #include "content/public/browser/browser_context.h"
  11 #include "content/public/browser/render_process_host.h"
  12 #include "content/public/browser/render_view_host.h"
  13 #include "extensions/browser/extension_registry.h"
  14 #include "extensions/browser/extension_system.h"
  15 #include "extensions/common/extension_messages.h"
  16 #include "extensions/common/extension_urls.h"
  17
  18 using content::BrowserContext;
  19
  20 DEFINE_WEB_CONTENTS_USER_DATA_KEY(
  21     extensions::ChromeExtensionWebContentsObserver);
  22
  23 namespace extensions {
  24
  25 ChromeExtensionWebContentsObserver::ChromeExtensionWebContentsObserver(
  26     content::WebContents* web_contents)
  27     : ExtensionWebContentsObserver(web_contents) {}
  28
  29 ChromeExtensionWebContentsObserver::~ChromeExtensionWebContentsObserver() {}
  30
  31 void ChromeExtensionWebContentsObserver::RenderViewCreated(
  32     content::RenderViewHost* render_view_host) {
  33   ReloadIfTerminated(render_view_host);
  34   ExtensionWebContentsObserver::RenderViewCreated(render_view_host);
  35 }
  36
  37 bool ChromeExtensionWebContentsObserver::OnMessageReceived(
  38     const IPC::Message& message,
  39     content::RenderFrameHost* render_frame_host) {
  40   bool handled = true;
  41   IPC_BEGIN_MESSAGE_MAP(ChromeExtensionWebContentsObserver, message)
  42     IPC_MESSAGE_HANDLER(ExtensionHostMsg_DetailedConsoleMessageAdded,
  43                         OnDetailedConsoleMessageAdded)
  44     IPC_MESSAGE_UNHANDLED(handled = false)
  45   IPC_END_MESSAGE_MAP()
  46   return handled;
  47 }
  48
  49 void ChromeExtensionWebContentsObserver::OnDetailedConsoleMessageAdded(
  50     const base::string16& message,
  51     const base::string16& source,
  52     const StackTrace& stack_trace,
  53     int32 severity_level) {
  54   if (!IsSourceFromAnExtension(source))
  55     return;
  56
  57   content::RenderViewHost* render_view_host =
  58       web_contents()->GetRenderViewHost();
  59   std::string extension_id = GetExtensionId(render_view_host);
  60   if (extension_id.empty())
  61     extension_id = GURL(source).host();
  62
  63   ExtensionSystem::Get(browser_context())->error_console()->ReportError(
  64       scoped_ptr<ExtensionError>(
  65           new RuntimeError(extension_id,
  66                            browser_context()->IsOffTheRecord(),
  67                            source,
  68                            message,
  69                            stack_trace,
  70                            web_contents()->GetLastCommittedURL(),
  71                            static_cast<logging::LogSeverity>(severity_level),
  72                            render_view_host->GetRoutingID(),
  73                            render_view_host->GetProcess()->GetID())));
  74 }
  75
  76 void ChromeExtensionWebContentsObserver::ReloadIfTerminated(
  77     content::RenderViewHost* render_view_host) {
  78   std::string extension_id = GetExtensionId(render_view_host);
  79   if (extension_id.empty())
  80     return;
  81
  82   ExtensionRegistry* registry = ExtensionRegistry::Get(browser_context());
  83
  84   // Reload the extension if it has crashed.
  85   // TODO(yoz): This reload doesn't happen synchronously for unpacked
  86   //            extensions. It seems to be fast enough, but there is a race.
  87   //            We should delay loading until the extension has reloaded.
  88   if (registry->GetExtensionById(extension_id, ExtensionRegistry::TERMINATED)) {
  89     ExtensionSystem::Get(browser_context())->
  90         extension_service()->ReloadExtension(extension_id);
  91   }
  92 }
  93
  94 }  // namespace extensions