android: introduce TileProviderFactory

Change-Id: I98ba16b4d1537ddeb2f8a29d15a803d527ccafe3

android/experimental/LOAndroid3/src/java/org/libreoffice/LOKitThread.java

@@ -26,6 +26,7 @@ public class LOKitThread extends Thread {
     private boolean mCheckboardImageSet = false;
 
     public LOKitThread() {
+        TileProviderFactory.initialize();
     }
 
     private RectF normlizeRect(ImmutableViewportMetrics metrics) {
@@ -35,9 +36,9 @@ public class LOKitThread extends Thread {
     }
 
     private Rect roundToTileSize(RectF input, int tileSize) {
-        int minX = (Math.round(input.left)    / tileSize) * tileSize;
-        int minY = (Math.round(input.top)     / tileSize) * tileSize;
-        int maxX = ((Math.round(input.right)  / tileSize) + 1) * tileSize;
+        int minX = (Math.round(input.left) / tileSize) * tileSize;
+        int minY = (Math.round(input.top) / tileSize) * tileSize;
+        int maxX = ((Math.round(input.right) / tileSize) + 1) * tileSize;
         int maxY = ((Math.round(input.bottom) / tileSize) + 1) * tileSize;
         return new Rect(minX, minY, maxX, maxY);
     }
@@ -136,7 +137,7 @@ public class LOKitThread extends Thread {
         if (mTileProvider != null) {
             mTileProvider.close();
         }
-        mTileProvider = new LOKitTileProvider(mApplication.getLayerController(), filename);
+        mTileProvider = TileProviderFactory.create(mApplication.getLayerController(), filename);
         boolean isReady = mTileProvider.isReady();
         if (isReady) {
             updateCheckbardImage();
@@ -191,4 +192,8 @@ public class LOKitThread extends Thread {
         Log.i(LOGTAG, "Event: " + event.getTypeString());
         mEventQueue.add(event);
     }
+
+    public void clearQueue() {
+        mEventQueue.clear();
+    }
 }

android/experimental/LOAndroid3/src/java/org/libreoffice/LibreOfficeMainActivity.java

@@ -13,7 +13,6 @@ import android.widget.AdapterView;
 import android.widget.ListView;
 import android.widget.RelativeLayout;
 
-import org.libreoffice.kit.LibreOfficeKit;
 import org.mozilla.gecko.gfx.GeckoLayerClient;
 import org.mozilla.gecko.gfx.LayerController;
 
@@ -111,19 +110,18 @@ public class LibreOfficeMainActivity extends Activity {
             mDrawerList.setOnItemClickListener(new DocumentPartClickListener());
         }
 
-        LibreOfficeKit.loadStatic();
+        if (sLOKitThread == null) {
+            sLOKitThread = new LOKitThread();
+            sLOKitThread.start();
+        } else {
+            sLOKitThread.clearQueue();
+        }
 
         mLayerController = new LayerController(this);
         mLayerClient = new GeckoLayerClient(this);
         mLayerController.setLayerClient(mLayerClient);
         mGeckoLayout.addView(mLayerController.getView(), 0);
 
-        if (sLOKitThread == null) {
-            sLOKitThread = new LOKitThread();
-            sLOKitThread.start();
-        }
-
-        sLOKitThread.mEventQueue.clear();
         LOKitShell.sendEvent(LOEvent.load(inputFile));
 
         Log.w(LOGTAG, "UI almost up");

android/experimental/LOAndroid3/src/java/org/libreoffice/TileProviderFactory.java

+package org.libreoffice;
+
+
+import org.libreoffice.kit.LibreOfficeKit;
+import org.mozilla.gecko.gfx.LayerController;
+
+public class TileProviderFactory {
+    private static TileProviderID currentTileProvider = TileProviderID.LOKIT;
+
+    private TileProviderFactory() {
+
+    }
+
+    public static void initialize() {
+        if (currentTileProvider == TileProviderID.LOKIT) {
+            LibreOfficeKit.loadStatic();
+        }
+    }
+
+    public static TileProvider create(LayerController layerController, String filename) {
+        if (currentTileProvider == TileProviderID.LOKIT) {
+            return new LOKitTileProvider(layerController, filename);
+        } else {
+            return new MockTileProvider(layerController, filename);
+        }
+    }
+
+    private static enum TileProviderID {
+        MOCK, LOKIT
+    }
+}
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