electron/shell/renderer/guest_view_container.cc

59 lines
1.7 KiB
C++

// Copyright (c) 2015 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/renderer/guest_view_container.h"
#include <map>
#include <utility>
#include "base/bind.h"
#include "base/lazy_instance.h"
#include "base/threading/thread_task_runner_handle.h"
#include "ui/gfx/geometry/size.h"
namespace electron {
namespace {
using GuestViewContainerMap = std::map<int, GuestViewContainer*>;
static base::LazyInstance<GuestViewContainerMap>::DestructorAtExit
g_guest_view_container_map = LAZY_INSTANCE_INITIALIZER;
} // namespace
GuestViewContainer::GuestViewContainer(content::RenderFrame* render_frame) {}
GuestViewContainer::~GuestViewContainer() {
if (element_instance_id_ > 0)
g_guest_view_container_map.Get().erase(element_instance_id_);
}
// static
GuestViewContainer* GuestViewContainer::FromID(int element_instance_id) {
GuestViewContainerMap* guest_view_containers =
g_guest_view_container_map.Pointer();
auto it = guest_view_containers->find(element_instance_id);
return it == guest_view_containers->end() ? nullptr : it->second;
}
void GuestViewContainer::RegisterElementResizeCallback(
const ResizeCallback& callback) {
element_resize_callback_ = callback;
}
void GuestViewContainer::SetElementInstanceID(int element_instance_id) {
element_instance_id_ = element_instance_id;
g_guest_view_container_map.Get().insert(
std::make_pair(element_instance_id, this));
}
void GuestViewContainer::DidResizeElement(const gfx::Size& new_size) {
if (element_resize_callback_.is_null())
return;
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::BindOnce(element_resize_callback_, new_size));
}
} // namespace electron