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