From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- widget/gtk/AsyncGtkClipboardRequest.h | 61 +++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 widget/gtk/AsyncGtkClipboardRequest.h (limited to 'widget/gtk/AsyncGtkClipboardRequest.h') diff --git a/widget/gtk/AsyncGtkClipboardRequest.h b/widget/gtk/AsyncGtkClipboardRequest.h new file mode 100644 index 0000000000..1d72691560 --- /dev/null +++ b/widget/gtk/AsyncGtkClipboardRequest.h @@ -0,0 +1,61 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_AsyncGtkClipboardRequest_h +#define mozilla_AsyncGtkClipboardRequest_h + +#include "nsClipboard.h" + +namespace mozilla { + +// An asynchronous clipboard request that we wait for synchronously by +// spinning the event loop. +class MOZ_STACK_CLASS AsyncGtkClipboardRequest { + // Heap-allocated object that we give GTK as a callback. + struct Request { + explicit Request(ClipboardDataType aDataType) : mDataType(aDataType) {} + + void Complete(const void*); + + const ClipboardDataType mDataType; + Maybe mData; + bool mTimedOut = false; + }; + + UniquePtr mRequest; + + static void OnDataReceived(GtkClipboard*, GtkSelectionData*, gpointer); + static void OnTextReceived(GtkClipboard*, const gchar*, gpointer); + + public: + // Launch a request for a particular GTK clipboard. The current status of the + // request can be observed by calling HasCompleted() and TakeResult(). + AsyncGtkClipboardRequest(ClipboardDataType, int32_t aWhichClipboard, + const char* aMimeType = nullptr); + + // Returns whether the request has been answered already. + bool HasCompleted() const { return mRequest->mData.isSome(); } + + // Takes the result from the current request if completed, or a + // default-constructed data otherwise. The destructor will take care of + // flagging the request as timed out in that case. + ClipboardData TakeResult() { + if (!HasCompleted()) { + return {}; + } + auto request = std::move(mRequest); + return request->mData.extract(); + } + + // If completed, frees the request if needed. Otherwise, marks it as a timed + // out request so that when it completes the Request object is properly + // freed. + ~AsyncGtkClipboardRequest(); +}; + +}; // namespace mozilla + +#endif -- cgit v1.2.3