Move unarchiving code out of the plugin dialog code

Change-Id: I2b6510ae527d57a06692336cfd7b0434cdcbda51
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

6 files changed, 185 insertions, 94 deletions

diff --git a/src/libs/utils/CMakeLists.txt b/src/libs/utils/CMakeLists.txt
index ee001a311d..a474b5c2f4 100644
--- a/src/libs/utils/CMakeLists.txt
+++ b/src/libs/utils/CMakeLists.txt
@@ -10,6 +10,7 @@ add_qtc_library(Utils
     algorithm.h
     ansiescapecodehandler.cpp ansiescapecodehandler.h
     appmainwindow.cpp appmainwindow.h
+    archive.cpp archive.h
     basetreeview.cpp basetreeview.h
     benchmarker.cpp benchmarker.h
     buildablehelperlibrary.cpp buildablehelperlibrary.h
diff --git a/src/libs/utils/archive.cpp b/src/libs/utils/archive.cpp
new file mode 100644
index 0000000000..daab53451f
--- /dev/null
+++ b/src/libs/utils/archive.cpp
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "archive.h"
+
+#include "algorithm.h"
+#include "checkablemessagebox.h"
+#include "environment.h"
+#include "mimetypes/mimedatabase.h"
+#include "qtcassert.h"
+#include "synchronousprocess.h"
+
+#include <QDir>
+#include <QPushButton>
+
+namespace {
+
+struct Tool
+{
+    Utils::FilePath executable;
+    QStringList arguments;
+};
+
+Utils::optional<Tool> unzipTool(const Utils::FilePath &src, const Utils::FilePath &dest)
+{
+    const Utils::FilePath unzip = Utils::Environment::systemEnvironment().searchInPath(
+        Utils::HostOsInfo::withExecutableSuffix("unzip"));
+    if (!unzip.isEmpty())
+        return Tool{unzip, {"-o", src.toString(), "-d", dest.toString()}};
+
+    const Utils::FilePath sevenzip = Utils::Environment::systemEnvironment().searchInPath(
+        Utils::HostOsInfo::withExecutableSuffix("7z"));
+    if (!sevenzip.isEmpty())
+        return Tool{sevenzip, {"x", QString("-o") + dest.toString(), "-y", src.toString()}};
+
+    const Utils::FilePath cmake = Utils::Environment::systemEnvironment().searchInPath(
+        Utils::HostOsInfo::withExecutableSuffix("cmake"));
+    if (!cmake.isEmpty())
+        return Tool{cmake, {"-E", "tar", "xvf", src.toString()}};
+
+    return {};
+}
+
+} // namespace
+
+namespace Utils {
+
+bool Archive::supportsFile(const FilePath &filePath, QString *reason)
+{
+    const QList<MimeType> mimeType = mimeTypesForFileName(filePath.toString());
+    if (!anyOf(mimeType, [](const MimeType &mt) { return mt.inherits("application/zip"); })) {
+        if (reason)
+            *reason = tr("File format not supported.");
+        return false;
+    }
+    if (!unzipTool({}, {})) {
+        if (reason)
+            *reason = tr("Could not find unzip, 7z, or cmake executable in PATH.");
+        return false;
+    }
+    return true;
+}
+
+bool Archive::unarchive(const FilePath &src, const FilePath &dest, QWidget *parent)
+{
+    const Utils::optional<Tool> tool = unzipTool(src, dest);
+    QTC_ASSERT(tool, return false);
+    const QString workingDirectory = dest.toFileInfo().absoluteFilePath();
+    QDir(workingDirectory).mkpath(".");
+    CheckableMessageBox box(parent);
+    box.setIcon(QMessageBox::Information);
+    box.setWindowTitle(tr("Unzipping File"));
+    box.setText(tr("Unzipping \"%1\" to \"%2\".").arg(src.toUserOutput(), dest.toUserOutput()));
+    box.setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
+    box.button(QDialogButtonBox::Ok)->setEnabled(false);
+    box.setCheckBoxVisible(false);
+    box.setDetailedText(
+        tr("Running %1\nin \"%2\".\n\n", "Running <cmd> in <workingdirectory>")
+            .arg(CommandLine(tool->executable, tool->arguments).toUserOutput(), workingDirectory));
+    QProcess process;
+    process.setProcessChannelMode(QProcess::MergedChannels);
+    QObject::connect(&process, &QProcess::readyReadStandardOutput, &box, [&box, &process]() {
+        box.setDetailedText(box.detailedText() + QString::fromUtf8(process.readAllStandardOutput()));
+    });
+    QObject::connect(&process,
+                     QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished),
+                     [&box](int, QProcess::ExitStatus) {
+                         box.button(QDialogButtonBox::Ok)->setEnabled(true);
+                         box.button(QDialogButtonBox::Cancel)->setEnabled(false);
+                     });
+    QObject::connect(&box, &QMessageBox::rejected, &process, [&process] {
+        SynchronousProcess::stopProcess(process);
+    });
+    process.setProgram(tool->executable.toString());
+    process.setArguments(tool->arguments);
+    process.setWorkingDirectory(workingDirectory);
+    process.start(QProcess::ReadOnly);
+    box.exec();
+    return process.exitStatus() == QProcess::NormalExit && process.exitCode() == 0;
+}
+
+} // namespace Utils
diff --git a/src/libs/utils/archive.h b/src/libs/utils/archive.h
new file mode 100644
index 0000000000..1447b9898a
--- /dev/null
+++ b/src/libs/utils/archive.h
@@ -0,0 +1,42 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include "utils_global.h"
+
+#include "fileutils.h"
+
+namespace Utils {
+
+class QTCREATOR_UTILS_EXPORT Archive
+{
+    Q_DECLARE_TR_FUNCTIONS(Utils::Archive)
+public:
+    static bool supportsFile(const FilePath &filePath, QString *reason = nullptr);
+    static bool unarchive(const FilePath &src, const FilePath &dest, QWidget *parent);
+};
+
+} // namespace Utils
diff --git a/src/libs/utils/utils-lib.pri b/src/libs/utils/utils-lib.pri
index 69db3b63a0..42cab2704d 100644
--- a/src/libs/utils/utils-lib.pri
+++ b/src/libs/utils/utils-lib.pri
@@ -133,7 +133,8 @@ SOURCES += \
     $$PWD/namevaluevalidator.cpp \
     $$PWD/camelcasecursor.cpp \
     $$PWD/infolabel.cpp \
-    $$PWD/overlaywidget.cpp
+    $$PWD/overlaywidget.cpp \
+    $$PWD/archive.cpp
 
 HEADERS += \
     $$PWD/environmentfwd.h \
@@ -281,7 +282,8 @@ HEADERS += \
     $$PWD/namevaluevalidator.h \
     $$PWD/camelcasecursor.h \
     $$PWD/infolabel.h \
-    $$PWD/overlaywidget.h
+    $$PWD/overlaywidget.h \
+    $$PWD/archive.h
 
 FORMS += $$PWD/filewizardpage.ui \
     $$PWD/projectintropage.ui \
diff --git a/src/libs/utils/utils.qbs b/src/libs/utils/utils.qbs
index 2c1b098c9e..1724da6e48 100644
--- a/src/libs/utils/utils.qbs
+++ b/src/libs/utils/utils.qbs
@@ -44,6 +44,8 @@ Project {
             "ansiescapecodehandler.h",
             "appmainwindow.cpp",
             "appmainwindow.h",
+            "archive.cpp",
+            "archive.h",
             "basetreeview.cpp",
             "basetreeview.h",
             "benchmarker.cpp",
diff --git a/src/plugins/coreplugin/plugindialog.cpp b/src/plugins/coreplugin/plugindialog.cpp
index 7bca53412c..03c840eccc 100644
--- a/src/plugins/coreplugin/plugindialog.cpp
+++ b/src/plugins/coreplugin/plugindialog.cpp
@@ -37,15 +37,10 @@
 #include <extensionsystem/pluginspec.h>
 #include <extensionsystem/pluginview.h>
 
-#include <utils/algorithm.h>
-#include <utils/checkablemessagebox.h>
-#include <utils/environment.h>
+#include <utils/archive.h>
 #include <utils/fancylineedit.h>
 #include <utils/infolabel.h>
-#include <utils/mimetypes/mimedatabase.h>
 #include <utils/pathchooser.h>
-#include <utils/qtcassert.h>
-#include <utils/synchronousprocess.h>
 #include <utils/wizard.h>
 #include <utils/wizardpage.h>
 
@@ -72,45 +67,13 @@ static bool s_isRestartRequired = false;
 const char kPath[] = "Path";
 const char kApplicationInstall[] = "ApplicationInstall";
 
-static bool hasLibSuffix(const QString &path)
+static bool hasLibSuffix(const FilePath &path)
 {
-    return (HostOsInfo().isWindowsHost() && path.endsWith(".dll", Qt::CaseInsensitive))
-           || (HostOsInfo().isLinuxHost() && QFileInfo(path).completeSuffix().startsWith(".so"))
+    return (HostOsInfo().isWindowsHost() && path.endsWith(".dll"))
+           || (HostOsInfo().isLinuxHost() && path.toFileInfo().completeSuffix().startsWith(".so"))
            || (HostOsInfo().isMacHost() && path.endsWith(".dylib"));
 }
 
-static bool isZipFile(const QString &path)
-{
-    const QList<MimeType> mimeType = mimeTypesForFileName(path);
-    return anyOf(mimeType, [](const MimeType &mt) { return mt.inherits("application/zip"); });
-}
-
-struct Tool
-{
-    FilePath executable;
-    QStringList arguments;
-};
-
-static Utils::optional<Tool> unzipTool(const FilePath &src, const FilePath &dest)
-{
-    const FilePath unzip = Utils::Environment::systemEnvironment().searchInPath(
-        Utils::HostOsInfo::withExecutableSuffix("unzip"));
-    if (!unzip.isEmpty())
-        return Tool{unzip, {"-o", src.toString(), "-d", dest.toString()}};
-
-    const FilePath sevenzip = Utils::Environment::systemEnvironment().searchInPath(
-        Utils::HostOsInfo::withExecutableSuffix("7z"));
-    if (!sevenzip.isEmpty())
-        return Tool{sevenzip, {"x", QString("-o") + dest.toString(), "-y", src.toString()}};
-
-    const FilePath cmake = Utils::Environment::systemEnvironment().searchInPath(
-        Utils::HostOsInfo::withExecutableSuffix("cmake"));
-    if (!cmake.isEmpty())
-        return Tool{cmake, {"-E", "tar", "xvf", src.toString()}};
-
-    return {};
-}
-
 class SourcePage : public WizardPage
 {
 public:
@@ -149,21 +112,17 @@ public:
 
     bool isComplete() const
     {
-        const QString path = field(kPath).toString();
-        if (!QFile::exists(path)) {
+        const auto path = FilePath::fromVariant(field(kPath));
+        if (!QFile::exists(path.toString())) {
             m_info->setText(PluginDialog::tr("File does not exist."));
             return false;
         }
         if (hasLibSuffix(path))
             return true;
 
-        if (!isZipFile(path)) {
-            m_info->setText(PluginDialog::tr("File format not supported."));
-            return false;
-        }
-        if (!unzipTool({}, {})) {
-            m_info->setText(
-                PluginDialog::tr("Could not find unzip, 7z, or cmake executable in PATH."));
+        QString error;
+        if (!Archive::supportsFile(path, &error)) {
+            m_info->setText(error);
             return false;
         }
         return true;
@@ -367,45 +326,6 @@ static bool copyPluginFile(const FilePath &src, const FilePath &dest)
     return true;
 }
 
-static bool unzip(const FilePath &src, const FilePath &dest)
-{
-    const Utils::optional<Tool> tool = unzipTool(src, dest);
-    QTC_ASSERT(tool, return false);
-    const QString workingDirectory = dest.toFileInfo().absoluteFilePath();
-    QDir(workingDirectory).mkpath(".");
-    CheckableMessageBox box(ICore::dialogParent());
-    box.setIcon(QMessageBox::Information);
-    box.setWindowTitle(PluginDialog::tr("Unzipping File"));
-    box.setText(PluginDialog::tr("Unzipping \"%1\" to \"%2\".")
-                    .arg(src.toUserOutput(), dest.toUserOutput()));
-    box.setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
-    box.button(QDialogButtonBox::Ok)->setEnabled(false);
-    box.setCheckBoxVisible(false);
-    box.setDetailedText(
-        PluginDialog::tr("Running %1\nin \"%2\".\n\n", "Running <cmd> in <workingdirectory>")
-            .arg(CommandLine(tool->executable, tool->arguments).toUserOutput(), workingDirectory));
-    QProcess process;
-    process.setProcessChannelMode(QProcess::MergedChannels);
-    QObject::connect(&process, &QProcess::readyReadStandardOutput, &box, [&box, &process]() {
-        box.setDetailedText(box.detailedText() + QString::fromUtf8(process.readAllStandardOutput()));
-    });
-    QObject::connect(&process,
-                     QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished),
-                     [&box](int, QProcess::ExitStatus) {
-                         box.button(QDialogButtonBox::Ok)->setEnabled(true);
-                         box.button(QDialogButtonBox::Cancel)->setEnabled(false);
-                     });
-    QObject::connect(&box, &QMessageBox::rejected, &process, [&process] {
-        SynchronousProcess::stopProcess(process);
-    });
-    process.setProgram(tool->executable.toString());
-    process.setArguments(tool->arguments);
-    process.setWorkingDirectory(workingDirectory);
-    process.start(QProcess::ReadOnly);
-    box.exec();
-    return process.exitStatus() == QProcess::NormalExit && process.exitCode() == 0;
-}
-
 void PluginDialog::showInstallWizard()
 {
     Wizard wizard(ICore::dialogParent());
@@ -423,11 +343,11 @@ void PluginDialog::showInstallWizard()
     if (wizard.exec()) {
         const FilePath path = pluginFilePath(&wizard);
         const FilePath installPath = pluginInstallPath(&wizard);
-        if (hasLibSuffix(path.toString())) {
+        if (hasLibSuffix(path)) {
             if (copyPluginFile(path, installPath))
                 updateRestartRequired();
-        } else if (isZipFile(path.toString())) {
-            if (unzip(path, installPath))
+        } else if (Archive::supportsFile(path)) {
+            if (Archive::unarchive(path, installPath, ICore::dialogParent()))
                 updateRestartRequired();
         }
     }