| // 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 "ui/base/x/x11_foreign_window_manager.h" |
| |
| #include <stddef.h> |
| #include <X11/Xlib.h> |
| |
| #include "base/compiler_specific.h" |
| #include "base/memory/singleton.h" |
| |
| namespace ui { |
| |
| // static |
| XForeignWindowManager* XForeignWindowManager::GetInstance() { |
| return base::Singleton<XForeignWindowManager>::get(); |
| } |
| |
| int XForeignWindowManager::RequestEvents(XID xid, long event_mask) { |
| request_map_[xid].push_back(Request(next_request_id_, event_mask)); |
| UpdateSelectedEvents(xid); |
| return next_request_id_++; |
| } |
| |
| void XForeignWindowManager::CancelRequest(int request_id) { |
| for (std::map<XID, RequestVector>::iterator map_it = request_map_.begin(); |
| map_it != request_map_.end(); ++map_it) { |
| RequestVector* vector = &map_it->second; |
| for (RequestVector::iterator vector_it = vector->begin(); |
| vector_it != vector->end(); ++vector_it) { |
| if (vector_it->request_id == request_id) { |
| vector->erase(vector_it); |
| UpdateSelectedEvents(map_it->first); |
| if (vector->empty()) |
| request_map_.erase(map_it); |
| return; |
| } |
| } |
| } |
| } |
| |
| void XForeignWindowManager::OnWindowDestroyed(XID xid) { |
| request_map_.erase(xid); |
| } |
| |
| XForeignWindowManager::XForeignWindowManager() : next_request_id_(0) { |
| } |
| |
| XForeignWindowManager::~XForeignWindowManager() { |
| } |
| |
| void XForeignWindowManager::UpdateSelectedEvents(XID xid) { |
| std::map<XID, RequestVector>::iterator it = request_map_.find(xid); |
| if (it == request_map_.end()) |
| return; |
| |
| long event_mask = NoEventMask; |
| const RequestVector& list = it->second; |
| for (size_t i = 0; i < list.size(); ++i) |
| event_mask |= list[i].event_mask; |
| |
| XSelectInput(gfx::GetXDisplay(), xid, event_mask); |
| } |
| |
| XForeignWindowManager::Request::Request(int request_id, long event_mask) |
| : request_id(request_id), |
| event_mask(event_mask) { |
| } |
| |
| XForeignWindowManager::Request::~Request() { |
| } |
| |
| } // namespace ui |