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