feat: filter some application which shouldn't be shown

Signed-off-by: ComixHe <heyuming@deepin.org>

src/applicationchecker.cpp

@@ -0,0 +1,103 @@
+// SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd.
+//
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+#include "constant.h"
+#include "applicationchecker.h"
+#include <QDir>
+#include <QFileInfo>
+#include <QStandardPaths>
+
+bool ApplicationFilter::hiddenCheck(const std::unique_ptr<DesktopEntry> &entry) noexcept
+{
+    bool hidden{false};
+    auto hiddenVal = entry->value(DesktopFileEntryKey, "Hidden");
+
+    if (hiddenVal.has_value()) {
+        bool ok{false};
+        hidden = hiddenVal.value().toBoolean(ok);
+        if (!ok) {
+            qWarning() << "invalid hidden value:" << *hiddenVal.value().find(defaultKeyStr);
+            return false;
+        }
+    }
+    return hidden;
+}
+
+bool ApplicationFilter::tryExecCheck(const std::unique_ptr<DesktopEntry> &entry) noexcept
+{
+    auto tryExecVal = entry->value(DesktopFileEntryKey, "TryExec");
+    if (tryExecVal.has_value()) {
+        bool ok{false};
+        auto executable = tryExecVal.value().toString(ok);
+        if (!ok) {
+            qWarning() << "invalid TryExec value:" << *tryExecVal.value().find(defaultKeyStr);
+            return false;
+        }
+
+        if (executable.startsWith(QDir::separator())) {
+            QFileInfo info{executable};
+            return !(info.exists() and info.isExecutable());
+        }
+        return QStandardPaths::findExecutable(executable).isEmpty();
+    }
+
+    return false;
+}
+
+bool ApplicationFilter::showInCheck(const std::unique_ptr<DesktopEntry> &entry) noexcept
+{
+    auto desktops = QString::fromLocal8Bit(qgetenv("XDG_CURRENT_DESKTOP")).split(':', Qt::SkipEmptyParts);
+    if (desktops.isEmpty()) {
+        return true;
+    }
+    desktops.removeDuplicates();
+
+    bool showInCurrentDE{true};
+    auto onlyShowInVal = entry->value(DesktopFileEntryKey, "OnlyShowIn");
+    while (onlyShowInVal.has_value()) {
+        bool ok{false};
+        auto deStr = onlyShowInVal.value().toString(ok);
+        if (!ok) {
+            qWarning() << "invalid OnlyShowIn value:" << *onlyShowInVal.value().find(defaultKeyStr);
+            break;
+        }
+
+        auto des = deStr.split(';', Qt::SkipEmptyParts);
+        if (des.contains("DDE", Qt::CaseInsensitive)) {
+            des.append("deepin");
+        } else if (des.contains("deepin", Qt::CaseInsensitive)) {
+            des.append("DDE");
+        }
+        des.removeDuplicates();
+
+        showInCurrentDE = std::any_of(
+            des.cbegin(), des.cend(), [&desktops](const QString &str) { return desktops.contains(str, Qt::CaseInsensitive); });
+        break;
+    }
+
+    bool notShowInCurrentDE{false};
+    auto notShowInVal = entry->value(DesktopFileEntryKey, "NotShowIn");
+    while (notShowInVal.has_value()) {
+        bool ok{false};
+        auto deStr = notShowInVal.value().toString(ok);
+        if (!ok) {
+            qWarning() << "invalid OnlyShowIn value:" << *notShowInVal.value().find(defaultKeyStr);
+            break;
+        }
+
+        auto des = deStr.split(';', Qt::SkipEmptyParts);
+        if (des.contains("DDE", Qt::CaseInsensitive)) {
+            des.append("deepin");
+        } else if (des.contains("deepin", Qt::CaseInsensitive)) {
+            des.append("DDE");
+        }
+        des.removeDuplicates();
+
+        notShowInCurrentDE = std::any_of(
+            des.cbegin(), des.cend(), [&desktops](const QString &str) { return desktops.contains(str, Qt::CaseInsensitive); });
+        break;
+    }
+
+    return !showInCurrentDE or notShowInCurrentDE;
+}

src/applicationchecker.h

@@ -0,0 +1,18 @@
+// SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd.
+//
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+#ifndef APPLICATIONCHECKER_H
+#define APPLICATIONCHECKER_H
+
+#include "desktopentry.h"
+#include <memory>
+
+namespace ApplicationFilter {
+
+bool hiddenCheck(const std::unique_ptr<DesktopEntry> &entry) noexcept;
+bool tryExecCheck(const std::unique_ptr<DesktopEntry> &entry) noexcept;
+bool showInCheck(const std::unique_ptr<DesktopEntry> &entry) noexcept;
+
+}  // namespace ApplicationFilter
+#endif

src/dbus/applicationservice.cpp

@@ -4,6 +4,7 @@
 
 #include "dbus/applicationservice.h"
 #include "APPobjectmanager1adaptor.h"
+#include "applicationchecker.h"
 #include "applicationmanager1service.h"
 #include "dbus/instanceadaptor.h"
 #include "launchoptions.h"
@@ -69,12 +70,9 @@ QSharedPointer<ApplicationService> ApplicationService::createApplicationService(
         return nullptr;
     }
 
-    if (auto val = entry->value(DesktopFileEntryKey, "Hidden"); val.has_value()) {
-        bool ok{false};
-        if (auto hidden = val.value().toBoolean(ok); ok and hidden) {
-            qWarning() << "invalid hidden value:" << *val.value().find(defaultKeyStr);
-            return nullptr;
-        }
+    if (!shouldBeShown(entry)) {
+        qDebug() << "application shouldn't be shown:" << app->desktopFileSource().sourcePath();
+        return nullptr;
     }
 
     app->m_entry.reset(entry.release());
@@ -89,6 +87,23 @@ QSharedPointer<ApplicationService> ApplicationService::createApplicationService(
     return app;
 }
 
+bool ApplicationService::shouldBeShown(const std::unique_ptr<DesktopEntry> &entry) noexcept
+{
+    if (!ApplicationFilter::hiddenCheck(entry)) {
+        return true;
+    }
+
+    if (!ApplicationFilter::tryExecCheck(entry)) {
+        return true;
+    }
+
+    if (!ApplicationFilter::showInCheck(entry)) {
+        return true;
+    }
+
+    return false;
+}
+
 QDBusObjectPath ApplicationService::Launch(const QString &action, const QStringList &fields, const QVariantMap &options)
 {
     QString execStr;

src/dbus/applicationservice.h

@@ -116,6 +116,7 @@ private:
                                           const QString &valueKey,
                                           EntryValueType type,
                                           const QLocale &locale = getUserLocale()) const noexcept;
+    static bool shouldBeShown(const std::unique_ptr<DesktopEntry> &entry) noexcept;
 };
 
 #endif