extensions/browser/guest_view/extensions_guest_view_manager_delegate.cc

   1 // Copyright 2015 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 "extensions/browser/guest_view/extensions_guest_view_manager_delegate.h"
   6
   7 #include "components/guest_view/browser/guest_view_base.h"
   8 #include "components/guest_view/browser/guest_view_manager.h"
   9 #include "content/public/browser/browser_context.h"
  10 #include "content/public/browser/render_process_host.h"
  11 #include "extensions/browser/api/extensions_api_client.h"
  12 #include "extensions/browser/event_router.h"
  13 #include "extensions/browser/guest_view/app_view/app_view_guest.h"
  14 #include "extensions/browser/guest_view/extension_options/extension_options_guest.h"
  15 #include "extensions/browser/guest_view/extension_view/extension_view_guest.h"
  16 #include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h"
  17 #include "extensions/browser/guest_view/surface_worker/surface_worker_guest.h"
  18 #include "extensions/browser/guest_view/web_view/web_view_guest.h"
  19 #include "extensions/browser/process_manager.h"
  20 #include "extensions/browser/process_map.h"
  21 #include "extensions/common/features/feature.h"
  22 #include "extensions/common/features/feature_provider.h"
  23
  24 using guest_view::GuestViewBase;
  25 using guest_view::GuestViewManager;
  26
  27 namespace extensions {
  28
  29 ExtensionsGuestViewManagerDelegate::ExtensionsGuestViewManagerDelegate(
  30     content::BrowserContext* context)
  31     : context_(context) {
  32 }
  33
  34 ExtensionsGuestViewManagerDelegate::~ExtensionsGuestViewManagerDelegate() {
  35 }
  36
  37 void ExtensionsGuestViewManagerDelegate::DispatchEvent(
  38     const std::string& event_name,
  39     scoped_ptr<base::DictionaryValue> args,
  40     GuestViewBase* guest,
  41     int instance_id) {
  42   EventFilteringInfo info;
  43   info.SetInstanceID(instance_id);
  44   scoped_ptr<base::ListValue> event_args(new base::ListValue());
  45   event_args->Append(args.release());
  46
  47   EventRouter::DispatchEvent(
  48       guest->owner_web_contents(),
  49       guest->browser_context(),
  50       guest->owner_host(),
  51       event_name,
  52       event_args.Pass(),
  53       EventRouter::USER_GESTURE_UNKNOWN,
  54       info);
  55 }
  56
  57 bool ExtensionsGuestViewManagerDelegate::IsGuestAvailableToContext(
  58     GuestViewBase* guest) {
  59   const Feature* feature =
  60       FeatureProvider::GetAPIFeature(guest->GetAPINamespace());
  61   CHECK(feature);
  62
  63   ProcessMap* process_map = ProcessMap::Get(context_);
  64   CHECK(process_map);
  65
  66   const Extension* owner_extension = ProcessManager::Get(context_)->
  67       GetExtensionForWebContents(guest->owner_web_contents());
  68
  69   // Ok for |owner_extension| to be nullptr, the embedder might be WebUI.
  70   Feature::Availability availability = feature->IsAvailableToContext(
  71       owner_extension,
  72       process_map->GetMostLikelyContextType(
  73           owner_extension,
  74           guest->owner_web_contents()->GetRenderProcessHost()->GetID()),
  75       guest->GetOwnerSiteURL());
  76
  77   return availability.is_available();
  78 }
  79
  80 bool ExtensionsGuestViewManagerDelegate::IsOwnedByExtension(
  81     GuestViewBase* guest) {
  82   return !!ProcessManager::Get(context_)->
  83       GetExtensionForWebContents(guest->owner_web_contents());
  84 }
  85
  86 void ExtensionsGuestViewManagerDelegate::RegisterAdditionalGuestViewTypes() {
  87   GuestViewManager* manager = GuestViewManager::FromBrowserContext(context_);
  88   manager->RegisterGuestViewType<AppViewGuest>();
  89   manager->RegisterGuestViewType<ExtensionOptionsGuest>();
  90   manager->RegisterGuestViewType<ExtensionViewGuest>();
  91   manager->RegisterGuestViewType<MimeHandlerViewGuest>();
  92   manager->RegisterGuestViewType<SurfaceWorkerGuest>();
  93   manager->RegisterGuestViewType<WebViewGuest>();
  94 }
  95
  96 }  // namespace extensions