| // Copyright 2016 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/extension_port.h" |
| |
| #include "content/public/renderer/render_frame.h" |
| #include "extensions/common/api/messaging/message.h" |
| #include "extensions/common/extension_messages.h" |
| #include "extensions/renderer/script_context.h" |
| |
| namespace extensions { |
| |
| ExtensionPort::ExtensionPort(ScriptContext* script_context, int local_id) |
| : script_context_(script_context), local_id_(local_id) {} |
| |
| ExtensionPort::~ExtensionPort() {} |
| |
| void ExtensionPort::SetGlobalId(int id) { |
| global_id_ = id; |
| content::RenderFrame* render_frame = script_context_->GetRenderFrame(); |
| for (const auto& message : pending_messages_) |
| PostMessageImpl(render_frame, *message); |
| if (is_disconnected_) |
| SendDisconnected(render_frame); |
| pending_messages_.clear(); |
| } |
| |
| void ExtensionPort::PostExtensionMessage(std::unique_ptr<Message> message) { |
| if (!initialized()) { |
| pending_messages_.push_back(std::move(message)); |
| return; |
| } |
| PostMessageImpl(script_context_->GetRenderFrame(), *message); |
| } |
| |
| void ExtensionPort::Close(bool close_channel) { |
| is_disconnected_ = true; |
| close_channel_ = close_channel; |
| if (!initialized()) |
| return; |
| |
| SendDisconnected(script_context_->GetRenderFrame()); |
| } |
| |
| void ExtensionPort::PostMessageImpl(content::RenderFrame* render_frame, |
| const Message& message) { |
| // TODO(devlin): What should we do if there's no render frame? Up until now, |
| // we've always just dropped the messages, but we might need to figure this |
| // out for service workers. |
| if (!render_frame) |
| return; |
| render_frame->Send(new ExtensionHostMsg_PostMessage( |
| render_frame->GetRoutingID(), global_id_, message)); |
| } |
| |
| void ExtensionPort::SendDisconnected(content::RenderFrame* render_frame) { |
| if (!render_frame) |
| return; |
| render_frame->Send(new ExtensionHostMsg_CloseMessagePort( |
| render_frame->GetRoutingID(), global_id_, close_channel_)); |
| } |
| |
| } // namespace extensions |