| // Copyright 2019 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/browser/api/messaging/channel_endpoint.h" |
| |
| #include "content/public/browser/render_frame_host.h" |
| #include "content/public/browser/render_process_host.h" |
| #include "content/public/common/child_process_host.h" |
| #include "extensions/browser/process_manager.h" |
| #include "extensions/common/constants.h" |
| |
| namespace extensions { |
| |
| ChannelEndpoint::ChannelEndpoint(content::BrowserContext* browser_context, |
| int render_process_id, |
| const PortContext& port_context) |
| : browser_context_(browser_context), |
| render_process_id_(render_process_id), |
| port_context_(port_context) { |
| // Context must be exclusive to render frame or worker. |
| DCHECK(port_context.is_for_service_worker() ^ |
| port_context.is_for_render_frame()); |
| } |
| |
| // For native message endpoint. |
| ChannelEndpoint::ChannelEndpoint(content::BrowserContext* browser_context) |
| : browser_context_(browser_context), |
| render_process_id_(content::ChildProcessHost::kInvalidUniqueID), |
| port_context_(PortContext::ForNativeHost()) {} |
| |
| bool ChannelEndpoint::is_for_service_worker() const { |
| return port_context_.is_for_service_worker(); |
| } |
| |
| bool ChannelEndpoint::is_for_render_frame() const { |
| return port_context_.frame.has_value(); |
| } |
| |
| bool ChannelEndpoint::is_for_native_host() const { |
| return !port_context_.is_for_render_frame() && |
| !port_context_.is_for_service_worker(); |
| } |
| |
| content::RenderFrameHost* ChannelEndpoint::GetRenderFrameHost() const { |
| DCHECK(port_context_.is_for_render_frame()); |
| return content::RenderFrameHost::FromID(render_process_id_, |
| port_context_.frame->routing_id); |
| } |
| |
| WorkerId ChannelEndpoint::GetWorkerId() const { |
| DCHECK(port_context_.is_for_service_worker()); |
| return {port_context_.worker->extension_id, render_process_id_, |
| port_context_.worker->version_id, port_context_.worker->thread_id}; |
| } |
| |
| bool ChannelEndpoint::IsValid() const { |
| if (is_for_service_worker()) { |
| return ProcessManager::Get(browser_context()) |
| ->HasServiceWorker(GetWorkerId()); |
| } |
| |
| if (is_for_render_frame()) |
| return GetRenderFrameHost() != nullptr; |
| |
| DCHECK(is_for_native_host()); |
| return true; |
| } |
| |
| } // namespace extensions |