diff options
Diffstat (limited to 'chromium/components/guest_view/browser/guest_view_message_filter.cc')
| -rw-r--r-- | chromium/components/guest_view/browser/guest_view_message_filter.cc | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/chromium/components/guest_view/browser/guest_view_message_filter.cc b/chromium/components/guest_view/browser/guest_view_message_filter.cc deleted file mode 100644 index 9a762e36d22..00000000000 --- a/chromium/components/guest_view/browser/guest_view_message_filter.cc +++ /dev/null @@ -1,177 +0,0 @@ -// Copyright 2015 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#include "components/guest_view/browser/guest_view_message_filter.h" - -#include <memory> - -#include "base/memory/singleton.h" -#include "components/guest_view/browser/bad_message.h" -#include "components/guest_view/browser/guest_view_base.h" -#include "components/guest_view/browser/guest_view_manager.h" -#include "components/guest_view/browser/guest_view_manager_delegate.h" -#include "components/guest_view/common/guest_view_messages.h" -#include "components/keyed_service/content/browser_context_keyed_service_shutdown_notifier_factory.h" -#include "content/public/browser/render_frame_host.h" -#include "content/public/browser/render_process_host.h" -#include "content/public/browser/render_view_host.h" -#include "ipc/ipc_message_macros.h" - -using content::BrowserContext; -using content::BrowserThread; -using content::RenderFrameHost; -using content::WebContents; - -namespace guest_view { - -namespace { - -class ShutdownNotifierFactory - : public BrowserContextKeyedServiceShutdownNotifierFactory { - public: - static ShutdownNotifierFactory* GetInstance() { - return base::Singleton<ShutdownNotifierFactory>::get(); - } - - private: - friend struct base::DefaultSingletonTraits<ShutdownNotifierFactory>; - - ShutdownNotifierFactory() - : BrowserContextKeyedServiceShutdownNotifierFactory( - "GuestViewMessageFilter") {} - ~ShutdownNotifierFactory() override = default; -}; - -} // namespace - -GuestViewMessageFilter::GuestViewMessageFilter( - const uint32_t* message_classes_to_filter, - size_t num_message_classes_to_filter, - int render_process_id, - BrowserContext* context) - : BrowserMessageFilter(message_classes_to_filter, - num_message_classes_to_filter), - render_process_id_(render_process_id), - browser_context_(context) { - DCHECK_CURRENTLY_ON(BrowserThread::UI); - browser_context_shutdown_subscription_ = - ShutdownNotifierFactory::GetInstance()->Get(context)->Subscribe( - base::BindRepeating(&GuestViewMessageFilter::OnBrowserContextShutdown, - base::Unretained(this))); -} - -GuestViewMessageFilter::~GuestViewMessageFilter() { - // The filter is destroyed on the UI thread as - // |browser_context_shutdown_subscription_| was created there. - DCHECK_CURRENTLY_ON(BrowserThread::UI); -} - -void GuestViewMessageFilter::EnsureShutdownNotifierFactoryBuilt() { - ShutdownNotifierFactory::GetInstance(); -} - -void GuestViewMessageFilter::OnBrowserContextShutdown() { - DCHECK_CURRENTLY_ON(BrowserThread::UI); - browser_context_ = nullptr; - browser_context_shutdown_subscription_ = {}; -} - -GuestViewManager* GuestViewMessageFilter::GetOrCreateGuestViewManager() { - DCHECK(browser_context_); - auto* manager = GuestViewManager::FromBrowserContext(browser_context_); - if (!manager) { - manager = GuestViewManager::CreateWithDelegate( - browser_context_, std::make_unique<GuestViewManagerDelegate>()); - } - return manager; -} - -GuestViewManager* GuestViewMessageFilter::GetGuestViewManagerOrKill() { - DCHECK(browser_context_); - auto* manager = GuestViewManager::FromBrowserContext(browser_context_); - if (!manager) { - bad_message::ReceivedBadMessage( - this, bad_message::GVMF_UNEXPECTED_MESSAGE_BEFORE_GVM_CREATION); - } - return manager; -} - -void GuestViewMessageFilter::OverrideThreadForMessage( - const IPC::Message& message, - BrowserThread::ID* thread) { - if (IPC_MESSAGE_CLASS(message) == GuestViewMsgStart) - *thread = BrowserThread::UI; -} - -void GuestViewMessageFilter::OnDestruct() const { - BrowserThread::DeleteOnUIThread::Destruct(this); -} - -bool GuestViewMessageFilter::OnMessageReceived(const IPC::Message& message) { - bool handled = true; - IPC_BEGIN_MESSAGE_MAP(GuestViewMessageFilter, message) - IPC_MESSAGE_HANDLER(GuestViewHostMsg_AttachToEmbedderFrame, - OnAttachToEmbedderFrame) - IPC_MESSAGE_HANDLER(GuestViewHostMsg_ViewCreated, OnViewCreated) - IPC_MESSAGE_HANDLER(GuestViewHostMsg_ViewGarbageCollected, - OnViewGarbageCollected) - IPC_MESSAGE_UNHANDLED(handled = false) - IPC_END_MESSAGE_MAP() - return handled; -} - -void GuestViewMessageFilter::OnViewCreated(int view_instance_id, - const std::string& view_type) { - DCHECK_CURRENTLY_ON(BrowserThread::UI); - if (!browser_context_) - return; - GetOrCreateGuestViewManager()->ViewCreated(render_process_id_, - view_instance_id, view_type); -} - -void GuestViewMessageFilter::OnViewGarbageCollected(int view_instance_id) { - DCHECK_CURRENTLY_ON(BrowserThread::UI); - if (!browser_context_) - return; - GetOrCreateGuestViewManager()->ViewGarbageCollected(render_process_id_, - view_instance_id); -} - -void GuestViewMessageFilter::OnAttachToEmbedderFrame( - int embedder_local_render_frame_id, - int element_instance_id, - int guest_instance_id, - const base::DictionaryValue& params) { - if (!browser_context_) - return; - - // We should have a GuestViewManager at this point. If we don't then the - // embedder is misbehaving. - auto* manager = GetGuestViewManagerOrKill(); - if (!manager) - return; - - content::WebContents* guest_web_contents = - manager->GetGuestByInstanceIDSafely(guest_instance_id, - render_process_id_); - if (!guest_web_contents) - return; - - auto* guest = GuestViewBase::FromWebContents(guest_web_contents); - content::WebContents* owner_web_contents = guest->owner_web_contents(); - DCHECK(owner_web_contents); - auto* embedder_frame = RenderFrameHost::FromID( - render_process_id_, embedder_local_render_frame_id); - - // Update the guest manager about the attachment. - // This sets up the embedder and guest pairing information inside - // the manager. - manager->AttachGuest(render_process_id_, element_instance_id, - guest_instance_id, params); - - guest->AttachToOuterWebContentsFrame(embedder_frame, element_instance_id, - false /* is_full_page_plugin */); -} - -} // namespace guest_view |