Cache DynamicProfileRuleS in the profileStore for reduced I/O

rtgui/dynamicprofile.cc

@@ -229,9 +229,7 @@ bool storeDynamicProfileRules(const std::vector<DynamicProfileRule> &rules)
 PartialProfile *loadDynamicProfile(const ImageMetaData *im)
 {
     PartialProfile *ret = new PartialProfile(true, true);
-    std::vector<DynamicProfileRule> rules;
-    if (loadDynamicProfileRules(rules)) {
-        for (auto &rule : rules) {
+    for (auto &rule : profileStore.getDynamicProfileRules()) { 
         if (rule.matches(im)) {
             printf("found matching profile %s\n",
                    rule.profilepath.c_str());
@@ -244,6 +242,5 @@ PartialProfile *loadDynamicProfile(const ImageMetaData *im)
             }
         }
     }
-    }
     return ret;
 }

rtgui/dynamicprofilepanel.cc

@@ -308,13 +308,10 @@ DynamicProfilePanel::DynamicProfilePanel():
     
     show_all_children();
 
-    std::vector<DynamicProfileRule> rules;
-    if (loadDynamicProfileRules(rules)) {
-        for (auto &r : rules) {
+    for (auto &r : profileStore.getDynamicProfileRules()) {
         add_rule(r);
     }
 }
-}
 
 
 void DynamicProfilePanel::update_rule(Gtk::TreeModel::Row row,
@@ -514,13 +511,15 @@ void DynamicProfilePanel::on_button_edit()
 
 void DynamicProfilePanel::save()
 {
-    std::vector<DynamicProfileRule> rules;
+    auto &rules = profileStore.getDynamicProfileRules();
+    rules.clear();
     int serial = 1;
     for (auto row : treemodel_->children()) {
         rules.emplace_back(to_rule(row, serial++));
     }
     if (!storeDynamicProfileRules(rules)) {
         printf("Error in saving dynamic profile rules\n");
+        rules.clear();
     } else {
         printf("Saved %d dynamic profile rules\n", int(rules.size()));
     }

rtgui/profilestore.cc

@@ -42,6 +42,7 @@ bool ProfileStore::init ()
         storeState = STORESTATE_BEINGINITIALIZED;
         parseMutex = new MyMutex();
         _parseProfiles ();
+        loadDynamicProfileRules(dynamicRules);
         storeState = STORESTATE_INITIALIZED;
     }
 

rtgui/profilestore.h

@@ -29,6 +29,7 @@
 #include "threadutils.h"
 #include "paramsedited.h"
 #include "guiutils.h"
+#include "dynamicprofile.h"
 
 
 /** @brief This will implement callback functions for the ProfileStore
@@ -161,6 +162,9 @@ private:
     /** List of the client of this store */
     std::list<ProfileStoreListener*> listeners;
 
+    /** cache for dynamic profile rules */
+    std::vector<DynamicProfileRule> dynamicRules;
+
     /** @brief Method to recursively parse a profile folder with a level depth arbitrarily limited to 3
       *
       * @param realPath       current full path of the scanned directory ; e.g.:  ~/MyProfiles/
@@ -204,6 +208,11 @@ public:
         return internalDynamicEntry;
     }
 
+    std::vector<DynamicProfileRule> &getDynamicProfileRules()
+    {
+        return dynamicRules;
+    }
+
     void addListener(ProfileStoreListener *listener);
     void removeListener(ProfileStoreListener *listener);