Add DiveSitePicturesModel

This model should be used inside the Edit Dive Site mode.
It should display all photos from all dives that are part
of this dive site, ignoring trips.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

4 files changed, 73 insertions, 11 deletions

diff --git a/qt-models/divepicturemodel.cpp b/qt-models/divepicturemodel.cpp
index 9e60404ed..06051dd28 100644
--- a/qt-models/divepicturemodel.cpp
+++ b/qt-models/divepicturemodel.cpp
@@ -5,12 +5,7 @@
 
 #include <QtConcurrent>
 
-typedef QList<struct picture *> SPictureList;
-typedef struct picture *picturepointer;
-typedef QPair<picturepointer, QImage> SPixmap;
-
-
-static SPixmap scaleImages(picturepointer picture)
+SPixmap scaleImages(picturepointer picture)
 {
 	static QHash <QString, QImage > cache;
 	SPixmap ret;
@@ -126,4 +121,4 @@ void DivePictureModel::removePicture(const QString &fileUrl)
 int DivePictureModel::rowCount(const QModelIndex &parent) const
 {
 	return numberOfPictures;
-}
\ No newline at end of file
+}
diff --git a/qt-models/divepicturemodel.h b/qt-models/divepicturemodel.h
index edcddd7a2..2ca22a1d9 100644
--- a/qt-models/divepicturemodel.h
+++ b/qt-models/divepicturemodel.h
@@ -12,12 +12,19 @@ public:
 	SHashedImage(struct picture *picture);
 };
 
-
 struct PhotoHelper {
 	QImage image;
 	int offsetSeconds;
 };
 
+
+typedef QList<struct picture *> SPictureList;
+typedef struct picture *picturepointer;
+typedef QPair<picturepointer, QImage> SPixmap;
+
+// function that will scale the pixmap, used inside the QtConcurrent thread.
+SPixmap scaleImages(picturepointer picture);
+
 class DivePictureModel : public QAbstractTableModel {
 	Q_OBJECT
 public:
@@ -25,11 +32,11 @@ public:
 	virtual int columnCount(const QModelIndex &parent = QModelIndex()) const;
 	virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
 	virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
-	void updateDivePictures();
+	virtual void updateDivePictures();
 	void updateDivePicturesWhenDone(QList<QFuture<void> >);
 	void removePicture(const QString& fileUrl);
 
-private:
+protected:
 	DivePictureModel();
 	int numberOfPictures;
 	// Currently, load the images on the fly
@@ -38,4 +45,4 @@ private:
 	QHash<QString, PhotoHelper> stringPixmapCache;
 };
 
-#endif
\ No newline at end of file
+#endif
diff --git a/qt-models/divesitepicturesmodel.cpp b/qt-models/divesitepicturesmodel.cpp
new file mode 100644
index 000000000..3777f1d36
--- /dev/null
+++ b/qt-models/divesitepicturesmodel.cpp
@@ -0,0 +1,45 @@
+#include "divesitepicturesmodel.h"
+#include "dive.h"
+#include "stdint.h"
+
+#include <QtConcurrent>
+#include <QPixmap>
+
+DiveSitePicturesModel* DiveSitePicturesModel::instance() {
+	static DiveSitePicturesModel *self = new DiveSitePicturesModel();
+	return self;
+}
+
+DiveSitePicturesModel::DiveSitePicturesModel() {
+
+}
+
+void DiveSitePicturesModel::updateDivePictures() {
+	beginResetModel();
+	numberOfPictures = 0;
+	endResetModel();
+
+	const uint32_t ds_uuid = displayed_dive_site.uuid;
+	struct dive *d;
+	int i;
+
+	stringPixmapCache.clear();
+	SPictureList pictures;
+
+	for_each_dive (i, d) {
+		if (d->dive_site_uuid == ds_uuid && dive_get_picture_count(d)) {
+			FOR_EACH_PICTURE(d) {
+				stringPixmapCache[QString(picture->filename)].offsetSeconds = picture->offset.seconds;
+				pictures.push_back(picture);
+			}
+		}
+	}
+
+	QList<SPixmap> list = QtConcurrent::blockingMapped(pictures, scaleImages);
+	Q_FOREACH (const SPixmap &pixmap, list)
+		stringPixmapCache[pixmap.first->filename].image = pixmap.second;
+
+	numberOfPictures = list.count();
+	beginInsertRows(QModelIndex(), 0, numberOfPictures - 1);
+	endInsertRows();
+}
diff --git a/qt-models/divesitepicturesmodel.h b/qt-models/divesitepicturesmodel.h
new file mode 100644
index 000000000..f19f57cc2
--- /dev/null
+++ b/qt-models/divesitepicturesmodel.h
@@ -0,0 +1,15 @@
+#ifndef DIVESITEPICTURESMODEL_H
+#define DIVESITEPICTURESMODEL_H
+
+#include "divepicturemodel.h"
+
+class DiveSitePicturesModel : public DivePictureModel {
+	Q_OBJECT
+public:
+	static DiveSitePicturesModel *instance();
+	void updateDivePictures();
+private:
+	DiveSitePicturesModel();
+};
+
+#endif