blob: e8b89f75166c9f1b0baf1aa4bc85a4b52442c057 [file] [log] [blame]
// Copyright (c) 2013 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.
// This file contains UI automation implementation details for the
// OpenWithDialogController. See that class for consumable entrypoints.
#include <windows.h>
#include <vector>
#include "base/basictypes.h"
#include "base/callback_forward.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string16.h"
#include "base/threading/thread.h"
#include "base/threading/thread_checker.h"
namespace win8 {
namespace internal {
// An asynchronous UI automation client that waits for the appearance of a
// Window of a particular class and then invokes one of its children identified
// by name. An instance may be destroyed at any time after Begin() is invoked.
// Any pending operation is cancelled.
class UIAutomationClient {
// If the HRESULT argument indicates success, the automation client has been
// initialized, has installed its Window observer, and is ready to process
// the named window. Otherwise, initialization has failed and ResultCallback
// will not be invoked.
typedef base::Callback<void(HRESULT)> InitializedCallback;
// If the HRESULT argument indicates success, the desired item in the window
// was invoked. Otherwise, the string vector (if not empty) contains the list
// of possible items in the window.
typedef base::Callback<void(HRESULT, std::vector<base::string16>)>
// Starts the client. Invokes |callback| once the client is ready or upon
// failure to start, in which case |result_callback| will never be called.
// Otherwise, |result_callback| will be invoked once |item_name| has been
// invoked.
void Begin(const wchar_t* class_name,
const base::string16& item_name,
const InitializedCallback& init_callback,
const ResultCallback& result_callback);
class Context;
base::ThreadChecker thread_checker_;
// A thread in the COM MTA in which automation calls are made.
base::Thread automation_thread_;
// A pointer to the context object that lives on the automation thread.
base::WeakPtr<Context> context_;
} // namespace internal
} // namespace win8