Differential D4484 Diff 22675 plugins/qthelp/qthelpexternalassistant_mac.mm

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plugins/qthelp/qthelpexternalassistant_mac.mm

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		1		/* This file is part of KDevelop
		2		Copyright 2017 René J.V. Bertin <rjvbertin@gmail.com>
		3
		4		This library is free software; you can redistribute it and/or
		5		modify it under the terms of the GNU Library General Public
		6		License as published by the Free Software Foundation; either
		7		version 2 of the License, or (at your option) any later version.
		8
		9		This library is distributed in the hope that it will be useful,
		10		but WITHOUT ANY WARRANTY; without even the implied warranty of
		11		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		12		Library General Public License for more details.
		13
		14		You should have received a copy of the GNU Library General Public License
		15		along with this library; see the file COPYING.LIB. If not, write to
		16		the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
		17		Boston, MA 02110-1301, USA.
		18		*/
		19
		20		#include "qthelpexternalassistant.h"
		21
		22		#include <QString>
		23		#include <QUrl>
		24		#include <QStandardPaths>
		25		#include <QFileInfo>
		26
		27		#include <AppKit/AppKit.h>
		28
		29		#include "debug.h"
		30
		31		using namespace KDevelop;
		32
		33		bool QtHelpExternalAssistant::hasExternalViewer(QString* path)
		34		{
		35		bool ret = false;
		36		QString execPath;
		37		QFileInfo info;
		38
		39		if (this == s_self ){
		40		if (!m_externalViewerExecutable.isEmpty()) {
		41		execPath = m_externalViewerExecutable;
		42		info = QFileInfo(execPath);
		43		if (info.isBundle()) {
		44		NSString* bundleExec = [[NSBundle bundleWithPath:m_externalViewerExecutable.toNSString()] executablePath];
		45		if (bundleExec) {
		46		execPath = QString::fromNSString(bundleExec);
		47		info = QFileInfo(execPath);
		48		qCDebug(QTHELP) << "Found bundle exec" << execPath << "for external viewer" << m_externalViewerExecutable;
		49		} else {
		50		qCWarning(QTHELP) << "Could not find the bundle exec for external viewer" << m_externalViewerExecutable;
		51		}
		52		}
		53		if (info.isExecutable()) {
		54		ret = true;
		55		} else {
		56		qCWarning(QTHELP) << "External viewer" << execPath << "is not executable!";
		57		}
		58		// always return the configured executable path
		59		if (path) {
		60		*path = execPath;
		61		}
		62		} else if (path) {
		63		// look for the application on the current path. The result is not cached so the
		64		// lookup is performed only when we can return the result.
		65		// First try to find a regular executable, which the user could have created
		66		// to invoke the right Assistant.app
		67		const QString assistant = QStandardPaths::findExecutable(QLatin1String("assistant"));
		68		if (!assistant.isEmpty()) {
		69		ret = true;
		70		*path = assistant;
		71		qCDebug(QTHELP) << "External viewer found at" << assistant;
		72		} else {
		73		// try to locate a Qt5 Assistant app bundle
		74		// There is no way to predict which we'll get beyond "probably the same as last time".
		75		NSString *assistantAppBundle = [[NSWorkspace sharedWorkspace]
		76		absolutePathForAppBundleWithIdentifier:@"org.qt-project.assistant"];
		77		if (!assistantAppBundle) {
		78		// fall back to finding whatever Assistant.app application might be available.
		79		assistantAppBundle = [[NSWorkspace sharedWorkspace] fullPathForApplication:@"Assistant.app"];
		80		}
		81		NSString* assistantExec = assistantAppBundle ? [[NSBundle bundleWithPath:assistantAppBundle] executablePath] : nullptr;
		82		if (assistantExec) {
		83		execPath = QString::fromNSString(assistantExec);
		84		ret = true;
		85		*path = execPath;
		86		qCDebug(QTHELP) << "Found bundle exec" << execPath << "for Assistant.app" << QString::fromNSString(assistantAppBundle);
		87		} else {
		88		qCWarning(QTHELP) << "External viewer not found!";
		89		}
		90		}
		91		}
		92		} else {
		93		return s_self->hasExternalViewer(path);
		94		}
		95		return ret;
		96		}