redo cache switch

interface/src/Application.cpp

@@ -480,6 +480,12 @@ bool setupEssentials(int& argc, char** argv, bool runningMarkerExisted) {
     static const auto SUPPRESS_SETTINGS_RESET = "--suppress-settings-reset";
     bool suppressPrompt = cmdOptionExists(argc, const_cast<const char**>(argv), SUPPRESS_SETTINGS_RESET);
     bool previousSessionCrashed = CrashHandler::checkForResetSettings(runningMarkerExisted, suppressPrompt);
+    // get dir to use for cache
+    static const auto CACHE_SWITCH = "--cache";
+    QString cacheDir = getCmdOption(argc, const_cast<const char**>(argv), CACHE_SWITCH);
+    if (!cacheDir.isEmpty()) {
+        qApp->setProperty(hifi::properties::APP_LOCAL_DATA_PATH, cacheDir);
+    }
 
     Setting::init();
 

interface/src/main.cpp

@@ -111,20 +111,6 @@ int main(int argc, const char* argv[]) {
         }
     }
 
-    if (parser.isSet(overrideAppLocalDataPathOption)) {
-        // get dir to use for cache
-        QString cacheDir = parser.value(overrideAppLocalDataPathOption);
-        if (!cacheDir.isEmpty()) {
-            // tell everyone to use the right cache location
-            //
-            // this handles data8 and prepared
-            DependencyManager::get<ResourceManager>()->setCacheDir(cacheDir);
-
-            // this does the ktx_cache
-            PathUtils::getAppLocalDataPath(cacheDir);
-        }
-    }
-
     if (instanceMightBeRunning) {
         // Try to connect and send message to existing interface instance
         QLocalSocket socket;

libraries/networking/src/AssetClient.cpp

@@ -19,6 +19,8 @@
 #include <QtScript/QScriptEngine>
 #include <QtNetwork/QNetworkDiskCache>
 
+#include <shared/GlobalAppProperties.h>
+
 #include "AssetRequest.h"
 #include "AssetUpload.h"
 #include "AssetUtils.h"
@@ -31,7 +33,8 @@
 
 MessageID AssetClient::_currentID = 0;
 
-AssetClient::AssetClient(const QString& cacheDir) : _cacheDir(cacheDir) {
+AssetClient::AssetClient() {
+    _cacheDir = qApp->property(hifi::properties::APP_LOCAL_DATA_PATH).toString();
     setCustomDeleter([](Dependency* dependency){
         static_cast<AssetClient*>(dependency)->deleteLater();
     });

libraries/networking/src/AssetClient.h

@@ -49,7 +49,7 @@ using ProgressCallback = std::function<void(qint64 totalReceived, qint64 total)>
 class AssetClient : public QObject, public Dependency {
     Q_OBJECT
 public:
-    AssetClient(const QString& cacheDir="");
+    AssetClient();
 
     Q_INVOKABLE GetMappingRequest* createGetMappingRequest(const AssetPath& path);
     Q_INVOKABLE GetAllMappingsRequest* createGetAllMappingsRequest();

libraries/networking/src/ResourceManager.cpp

@@ -28,7 +28,7 @@
 ResourceManager::ResourceManager() {
     _thread.setObjectName("Resource Manager Thread");
 
-    auto assetClient = DependencyManager::set<AssetClient>(_cacheDir);
+    auto assetClient = DependencyManager::set<AssetClient>();
     assetClient->moveToThread(&_thread);
     QObject::connect(&_thread, &QThread::started, assetClient.data(), &AssetClient::init);
 
@@ -160,7 +160,3 @@ bool ResourceManager::resourceExists(const QUrl& url) {
     return false;
 }
 
-void ResourceManager::setCacheDir(const QString& cacheDir) {
-    // TODO: check for existence?  
-    _cacheDir = cacheDir;
-}

libraries/networking/src/ResourceManager.h

@@ -59,7 +59,6 @@ private:
     PrefixMap _prefixMap;
     QMutex _prefixMapLock;
 
-    QString _cacheDir;
 };
 
 #endif

libraries/shared/src/PathUtils.cpp

@@ -19,6 +19,7 @@
 #include "PathUtils.h"
 #include <QtCore/QStandardPaths>
 #include <mutex> // std::once
+#include "shared/GlobalAppProperties.h"
 
 const QString& PathUtils::resourcesPath() {
 #ifdef Q_OS_MAC
@@ -34,12 +35,8 @@ QString PathUtils::getAppDataPath() {
     return QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/";
 }
 
-QString PathUtils::getAppLocalDataPath(const QString& overridePath /* = "" */) {
-    static QString overriddenPath = "";
-    // set the overridden path if one was passed in
-    if (!overridePath.isEmpty()) {
-        overriddenPath = overridePath;
-    }
+QString PathUtils::getAppLocalDataPath() {
+    QString overriddenPath = qApp->property(hifi::properties::APP_LOCAL_DATA_PATH).toString();
     // return overridden path if set
     if (!overriddenPath.isEmpty()) {
         return overriddenPath;

libraries/shared/src/PathUtils.h

@@ -28,7 +28,7 @@ public:
     static const QString& resourcesPath();
 
     static QString getAppDataPath();
-    static QString getAppLocalDataPath(const QString& overridePath = "");
+    static QString getAppLocalDataPath();
 
     static QString getAppDataFilePath(const QString& filename);
     static QString getAppLocalDataFilePath(const QString& filename);

libraries/shared/src/shared/GlobalAppProperties.cpp

@@ -17,6 +17,7 @@ namespace hifi { namespace properties {
     const char* TEST = "com.highfidelity.test";
     const char* TRACING = "com.highfidelity.tracing";
     const char* HMD = "com.highfidelity.hmd";
+    const char* APP_LOCAL_DATA_PATH = "com.highfidelity.appLocalDataPath";
 
     namespace gl {
         const char* BACKEND = "com.highfidelity.gl.backend";

libraries/shared/src/shared/GlobalAppProperties.h

@@ -19,6 +19,7 @@ namespace hifi { namespace properties {
     extern const char* TEST;
     extern const char* TRACING;
     extern const char* HMD;
+    extern const char* APP_LOCAL_DATA_PATH;
 
     namespace gl {
         extern const char* BACKEND;