mirror of
https://github.com/mozilla/gecko-dev.git
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121 lines
4.4 KiB
C++
121 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=4 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "AsyncGtkClipboardRequest.h"
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namespace mozilla {
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AsyncGtkClipboardRequest::AsyncGtkClipboardRequest(ClipboardDataType aDataType,
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int32_t aWhichClipboard,
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const char* aMimeType) {
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GtkClipboard* clipboard =
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gtk_clipboard_get(GetSelectionAtom(aWhichClipboard));
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mRequest = MakeUnique<Request>(aDataType);
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switch (aDataType) {
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case ClipboardDataType::Data:
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LOGCLIP(" getting DATA MIME %s\n", aMimeType);
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gtk_clipboard_request_contents(clipboard,
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gdk_atom_intern(aMimeType, FALSE),
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OnDataReceived, mRequest.get());
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break;
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case ClipboardDataType::Text:
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LOGCLIP(" getting TEXT\n");
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gtk_clipboard_request_text(clipboard, OnTextReceived, mRequest.get());
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break;
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case ClipboardDataType::Targets:
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LOGCLIP(" getting TARGETS\n");
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gtk_clipboard_request_contents(clipboard,
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gdk_atom_intern("TARGETS", FALSE),
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OnDataReceived, mRequest.get());
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break;
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}
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}
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void AsyncGtkClipboardRequest::OnDataReceived(GtkClipboard* clipboard,
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GtkSelectionData* selection_data,
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gpointer data) {
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int whichClipboard = GetGeckoClipboardType(clipboard);
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LOGCLIP("OnDataReceived(%s) callback\n",
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whichClipboard == nsClipboard::kSelectionClipboard ? "primary"
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: "clipboard");
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static_cast<Request*>(data)->Complete(selection_data);
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}
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void AsyncGtkClipboardRequest::OnTextReceived(GtkClipboard* clipboard,
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const gchar* text,
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gpointer data) {
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int whichClipboard = GetGeckoClipboardType(clipboard);
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LOGCLIP("OnTextReceived(%s) callback\n",
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whichClipboard == nsClipboard::kSelectionClipboard ? "primary"
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: "clipboard");
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static_cast<Request*>(data)->Complete(text);
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}
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void AsyncGtkClipboardRequest::Request::Complete(const void* aData) {
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LOGCLIP("Request::Complete(), aData = %p, timedOut = %d\n", aData, mTimedOut);
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if (mTimedOut) {
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delete this;
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return;
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}
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mData.emplace();
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gint dataLength = 0;
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if (mDataType == ClipboardDataType::Targets ||
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mDataType == ClipboardDataType::Data) {
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dataLength = gtk_selection_data_get_length((GtkSelectionData*)aData);
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} else {
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dataLength = aData ? strlen((const char*)aData) : 0;
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}
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// Negative size means no data or data error.
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if (dataLength <= 0) {
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LOGCLIP(" zero dataLength, quit.\n");
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return;
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}
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switch (mDataType) {
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case ClipboardDataType::Targets: {
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LOGCLIP(" getting %d bytes of clipboard targets.\n", dataLength);
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gint n_targets = 0;
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GdkAtom* targets = nullptr;
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if (!gtk_selection_data_get_targets((GtkSelectionData*)aData, &targets,
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&n_targets) ||
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!n_targets) {
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// We failed to get targets
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return;
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}
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mData->SetTargets(
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ClipboardTargets{GUniquePtr<GdkAtom>(targets), uint32_t(n_targets)});
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break;
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}
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case ClipboardDataType::Text: {
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LOGCLIP(" getting %d bytes of text.\n", dataLength);
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mData->SetText(Span(static_cast<const char*>(aData), dataLength));
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LOGCLIP(" done, mClipboardData = %p\n", mData->AsSpan().data());
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break;
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}
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case ClipboardDataType::Data: {
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LOGCLIP(" getting %d bytes of data.\n", dataLength);
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mData->SetData(Span(gtk_selection_data_get_data((GtkSelectionData*)aData),
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dataLength));
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LOGCLIP(" done, mClipboardData = %p\n", mData->AsSpan().data());
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break;
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}
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}
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}
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AsyncGtkClipboardRequest::~AsyncGtkClipboardRequest() {
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if (mRequest && mRequest->mData.isNothing()) {
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mRequest->mTimedOut = true;
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Unused << mRequest.release();
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}
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}
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} // namespace mozilla
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