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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_WEBSHARE_WIN_SHOW_SHARE_UI_FOR_WINDOW_OPERATION_H_
#define CHROME_BROWSER_WEBSHARE_WIN_SHOW_SHARE_UI_FOR_WINDOW_OPERATION_H_
#include <wrl/client.h>
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "base/win/core_winrt_util.h"
namespace ABI {
namespace Windows {
namespace ApplicationModel {
namespace DataTransfer {
class IDataRequestedEventArgs;
class IDataTransferManager;
} // namespace DataTransfer
} // namespace ApplicationModel
} // namespace Windows
} // namespace ABI
namespace webshare {
// Represents a call to ShowShareUIForWindow in an async fashion.
class ShowShareUIForWindowOperation {
public:
using DataRequestedCallback = base::OnceCallback<void(
ABI::Windows::ApplicationModel::DataTransfer::IDataRequestedEventArgs*)>;
explicit ShowShareUIForWindowOperation(const HWND hwnd);
ShowShareUIForWindowOperation(const ShowShareUIForWindowOperation&) = delete;
ShowShareUIForWindowOperation& operator=(
const ShowShareUIForWindowOperation&) = delete;
~ShowShareUIForWindowOperation();
// Test hook for overriding the base RoGetActivationFactory function
static void SetRoGetActivationFactoryFunctionForTesting(
decltype(&base::win::RoGetActivationFactory) value);
static constexpr base::TimeDelta max_execution_time_for_testing() {
return kMaxExecutionTime;
}
// Requests the Window's Share operation for the previously supplied |hwnd|
// and uses the |data_requested_callback| to supply the operation with the
// data to share. This call does not impact the lifetime of this class, so the
// caller must keep this instance alive until it has completed or the caller
// no longer desires the operation to continue.
//
// The provided |data_requested_callback| will be invoked either
// synchronously as part of this call, or asynchronously at a
// later point when the OS Share operation requests it. In both cases, when
// the |data_requested_callback| is invoked it will be on the UI thread with
// |IDataRequestedEventArgs| from the OS. If an error is encountered the
// |data_requested_callback| will be invoked without any arguments.
//
// This should only be called from the UI thread.
void Run(DataRequestedCallback data_requested_callback);
private:
static constexpr base::TimeDelta kMaxExecutionTime = base::Seconds(30);
void Cancel();
void OnDataRequested(
ABI::Windows::ApplicationModel::DataTransfer::IDataTransferManager*
data_transfer_manager,
ABI::Windows::ApplicationModel::DataTransfer::IDataRequestedEventArgs*
event_args);
DataRequestedCallback data_requested_callback_;
const HWND hwnd_;
base::OnceClosure remove_data_requested_listener_;
base::WeakPtrFactory<ShowShareUIForWindowOperation> weak_factory_{this};
};
} // namespace webshare
#endif // CHROME_BROWSER_WEBSHARE_WIN_SHOW_SHARE_UI_FOR_WINDOW_OPERATION_H_
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