Progress update signal for time-expensive tasks

src/Insight/InsightWorker/Tasks/CaptureMemorySnapshot.cpp

@@ -68,6 +68,9 @@ namespace Bloom
                 );
 
                 std::move(dataSegment.begin(), dataSegment.end(), std::back_inserter(*this->data));
+                emit this->progressUpdate(static_cast<int>(
+                    (static_cast<float>(i) + 1) / (static_cast<float>(readsRequired + 1) / 100)
+                ));
             }
         }
 

src/Insight/InsightWorker/Tasks/InsightWorkerTask.hpp

@@ -44,6 +44,19 @@ namespace Bloom
          */
         void started();
 
+        /**
+         * Some tasks will emit an InsightWorkerTask::progressUpdate() signal to provide an update on their progress.
+         *
+         * This is used for progress bar widgets.
+         *
+         * NOTE: A task doesn't have to emit this signal. Currently, the time-expensive tasks (like ReadTargetMemory)
+         * emit this signal.
+         *
+         * @param progressPercentage
+         *  The task's current progress.
+         */
+        void progressUpdate(int progressPercentage);
+
         /**
          * The InsightWorkerTask::completed() signal will be emitted once the task has successfully completed.
          */

src/Insight/InsightWorker/Tasks/ReadTargetMemory.cpp

@@ -49,6 +49,9 @@ namespace Bloom
             );
 
             std::move(dataSegment.begin(), dataSegment.end(), std::back_inserter(data));
+            emit this->progressUpdate(static_cast<int>(
+                (static_cast<float>(i) + 1) / (static_cast<float>(readsRequired) / 100)
+            ));
         }
 
         emit this->targetMemoryRead(data);