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// Copyright 2014 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 "extensions/renderer/guest_view/guest_view_container.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_frame_observer.h"
#include "content/public/renderer/render_view.h"
#include "extensions/common/guest_view/guest_view_constants.h"
#include "extensions/common/guest_view/guest_view_messages.h"
namespace extensions {
class GuestViewContainer::RenderFrameLifetimeObserver
: public content::RenderFrameObserver {
public:
RenderFrameLifetimeObserver(GuestViewContainer* container,
content::RenderFrame* render_frame);
// content::RenderFrameObserver overrides.
void OnDestruct() override;
private:
GuestViewContainer* container_;
DISALLOW_COPY_AND_ASSIGN(RenderFrameLifetimeObserver);
};
GuestViewContainer::RenderFrameLifetimeObserver::RenderFrameLifetimeObserver(
GuestViewContainer* container,
content::RenderFrame* render_frame)
: content::RenderFrameObserver(render_frame),
container_(container) {}
void GuestViewContainer::RenderFrameLifetimeObserver::OnDestruct() {
container_->RenderFrameDestroyed();
}
GuestViewContainer::GuestViewContainer(content::RenderFrame* render_frame)
: element_instance_id_(guestview::kInstanceIDNone),
render_view_routing_id_(render_frame->GetRenderView()->GetRoutingID()),
render_frame_(render_frame) {
render_frame_lifetime_observer_.reset(
new RenderFrameLifetimeObserver(this, render_frame_));
}
GuestViewContainer::~GuestViewContainer() {}
// static.
bool GuestViewContainer::HandlesMessage(const IPC::Message& msg) {
switch (msg.type()) {
case GuestViewMsg_CreateMimeHandlerViewGuestACK::ID:
case GuestViewMsg_GuestAttached::ID:
case GuestViewMsg_GuestDetached::ID:
case GuestViewMsg_MimeHandlerViewGuestOnLoadCompleted::ID:
return true;
default:
return false;
}
}
void GuestViewContainer::RenderFrameDestroyed() {
OnRenderFrameDestroyed();
render_frame_ = nullptr;
}
void GuestViewContainer::SetElementInstanceID(int element_instance_id) {
DCHECK_EQ(element_instance_id_, guestview::kInstanceIDNone);
element_instance_id_ = element_instance_id;
}
} // namespace extensions
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