LOAndroid3: Simplify begin/endDrawing calls, remove JSON metadata

Change-Id: Ie8aadd20095eeea05110032ac026a6027771aab8

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

@@ -18,7 +18,7 @@ public class LOKitShell {
 
     public static int getDpi() {
         DisplayMetrics metrics = LibreOfficeMainActivity.mAppContext.getResources().getDisplayMetrics();
-        return (int) metrics.density * 200;
+        return (int) metrics.density * 160;
     }
 
     public static ByteBuffer allocateDirectBuffer(int size) {

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

@@ -8,6 +8,7 @@ import android.graphics.Rect;
 import android.util.JsonWriter;
 import android.util.Log;
 
+import org.mozilla.gecko.gfx.FloatSize;
 import org.mozilla.gecko.gfx.SubTile;
 import org.mozilla.gecko.gfx.ViewportMetrics;
 
@@ -18,8 +19,10 @@ import java.util.Random;
 import java.util.concurrent.ConcurrentLinkedQueue;
 
 public class LOKitThread extends Thread {
-    private static final String LOGTAG = "GeckoThread";
+    private static final String LOGTAG = LOKitThread.class.getSimpleName();
+
     private static final int TILE_SIZE = 256;
+    private LibreOfficeMainActivity mApplication;
     private TileProvider mTileProvider;
 
     public ConcurrentLinkedQueue<LOEvent> gEvents = new ConcurrentLinkedQueue<LOEvent>();
@@ -29,90 +32,34 @@ public class LOKitThread extends Thread {
     }
 
     private boolean draw() throws InterruptedException {
-        final LibreOfficeMainActivity application = LibreOfficeMainActivity.mAppContext;
-
-        if (mTileProvider == null)
-            mTileProvider = new LOKitTileProvider(application.getLayerController());
-
         int pageWidth = mTileProvider.getPageWidth();
         int pageHeight = mTileProvider.getPageHeight();
 
-        String metadata = createJson(0, 0, pageWidth, pageHeight, pageWidth, pageHeight, 0, 0, 1.0);
         mViewportMetrics = new ViewportMetrics();
+        mViewportMetrics.setPageSize(new FloatSize(pageWidth, pageHeight));
 
-        boolean shouldContinue = application.getLayerClient().beginDrawing(pageWidth, pageHeight, TILE_SIZE, TILE_SIZE, metadata);
+        boolean shouldContinue = mApplication.getLayerClient().beginDrawing(mViewportMetrics);
 
         if (!shouldContinue) {
             return false;
         }
 
-        Log.i(LOGTAG, "Filling tiles..");
-
         for (SubTile tile : mTileProvider.getTileIterator()) {
-            application.getLayerClient().addTile(tile);
+            mApplication.getLayerClient().addTile(tile);
         }
 
-        Log.i(LOGTAG, "End Draw");
-
-        application.getLayerClient().endDrawing(0, 0, pageWidth, pageHeight);
+        mApplication.getLayerClient().endDrawing();
 
         return true;
     }
 
-    private String createJson(ViewportMetrics viewportMetrics) {
-        return createJson(
-                (int) viewportMetrics.getOrigin().x,
-                (int) viewportMetrics.getOrigin().y,
-                (int) viewportMetrics.getSize().width,
-                (int) viewportMetrics.getSize().height,
-                (int) viewportMetrics.getPageSize().width,
-                (int) viewportMetrics.getPageSize().height,
-                (int) viewportMetrics.getViewportOffset().x,
-                (int) viewportMetrics.getViewportOffset().y,
-                viewportMetrics.getZoomFactor());
-    }
-
-    private String createJson(int x, int y, int width, int height, int pageWidth, int pageHeight, int offsetX, int offsetY, double zoom) {
-        try {
-            StringWriter stringWriter = new StringWriter();
-            JsonWriter writer = new JsonWriter(stringWriter);
-            writer.beginObject();
-            writer.name("x").value(x);
-            writer.name("y").value(y);
-            writer.name("width").value(width);
-            writer.name("height").value(height);
-            writer.name("pageWidth").value(pageWidth);
-            writer.name("pageHeight").value(pageHeight);
-            writer.name("offsetX").value(offsetX);
-            writer.name("offsetY").value(offsetY);
-            writer.name("zoom").value(zoom);
-            writer.name("backgroundColor").value("rgb(255,255,255)");
-            writer.endObject();
-            writer.close();
-            return stringWriter.toString();
-        } catch (IOException ex) {
-        }
-        return null;
-    }
-
-    private short convertTo16Bit(int color) {
-        int r = Color.red(color) >> 3, g = Color.green(color) >> 2, b = Color.blue(color) >> 3;
-        int c = ((r << 11) | (g << 5) | b);
-        // Swap endianness.
-        return (short) ((c >> 8) | ((c & 0xff) << 8));
+    private void initialize() {
+        mApplication = LibreOfficeMainActivity.mAppContext;
+        mTileProvider = new LOKitTileProvider(mApplication.getLayerController());
     }
 
-    private Bitmap convert(Bitmap bitmap, Bitmap.Config config) {
-        Bitmap convertedBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), config);
-        Canvas canvas = new Canvas(convertedBitmap);
-        Paint paint = new Paint();
-        paint.setColor(Color.BLACK);
-        canvas.drawBitmap(bitmap, 0, 0, paint);
-        return convertedBitmap;
-    }
-
-
     public void run() {
+        initialize();
         try {
             boolean drawn = false;
             while (true) {

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

@@ -88,8 +88,8 @@ public class LOKitTileProvider implements TileProvider {
             ByteBuffer buffer = ByteBuffer.allocateDirect(TILE_SIZE * TILE_SIZE * 4);
             Bitmap bitmap = Bitmap.createBitmap(TILE_SIZE, TILE_SIZE, Bitmap.Config.ARGB_8888);
 
-            mDocument.paintTile(buffer, TILE_SIZE, TILE_SIZE, (int) Math.round(mPositionWidth), (int) Math.round(mPositionHeight), (int) Math.round(mTileWidth + pixelToTwip(1, mDPI)), (int) Math.round(mTileHeight+ pixelToTwip(1, mDPI)));
-
+            mDocument.paintTile(buffer, TILE_SIZE, TILE_SIZE,
+                    (int) Math.round(mPositionWidth), (int) Math.round(mPositionHeight), (int) Math.round(mTileWidth + pixelToTwip(1, mDPI)), (int) Math.round(mTileHeight+ pixelToTwip(1, mDPI)));
 
             bitmap.copyPixelsFromBuffer(buffer);
 

android/experimental/LOAndroid3/src/java/org/mozilla/gecko/gfx/GeckoLayerClient.java

@@ -89,7 +89,7 @@ public abstract class GeckoLayerClient implements GeckoEventListener {
 
     protected abstract boolean setupLayer();
 
-    protected abstract void updateLayerAfterDraw(Rect updatedRect);
+    protected abstract void updateLayerAfterDraw();
 
     protected abstract IntSize getBufferSize();
 
@@ -109,38 +109,23 @@ public abstract class GeckoLayerClient implements GeckoEventListener {
         sendResizeEventIfNecessary();
     }
 
-    public boolean beginDrawing(int width, int height, int tileWidth, int tileHeight, String metadata) {
-        Log.e(LOGTAG, "### beginDrawing " + width + " " + height + " " + tileWidth + " " + tileHeight);
-
+    public boolean beginDrawing(ViewportMetrics viewportMetrics) {
        if (setupLayer()) {
             Log.e(LOGTAG, "### Cancelling due to layer setup");
             return false;
         }
-
-        try {
-            JSONObject viewportObject = new JSONObject(metadata);
-            mNewGeckoViewport = new ViewportMetrics(viewportObject);
-            Log.e(LOGTAG, "### beginDrawing new Gecko viewport " + mNewGeckoViewport);
-        } catch (JSONException e) {
-            Log.e(LOGTAG, "Aborting draw, bad viewport description: " + metadata);
-            return false;
-        }
-
+        mNewGeckoViewport = viewportMetrics;
         mTileLayer.beginTransaction();
+
         return true;
     }
 
-    /*
-     * TODO: Would be cleaner if this took an android.graphics.Rect instead, but that would require
-     * a little more JNI magic.
-     */
-    public void endDrawing(int x, int y, int width, int height) {
+    public void endDrawing() {
         synchronized (mLayerController) {
             try {
                 updateViewport(!mUpdateViewportOnEndDraw);
                 mUpdateViewportOnEndDraw = false;
-                Rect rect = new Rect(x, y, x + width, y + height);
-                updateLayerAfterDraw(rect);
+                updateLayerAfterDraw();
             } finally {
                 mTileLayer.endTransaction();
             }

android/experimental/LOAndroid3/src/java/org/mozilla/gecko/gfx/GeckoSoftwareLayerClient.java

@@ -105,25 +105,9 @@ public class GeckoSoftwareLayerClient extends GeckoLayerClient {
     }
 
     @Override
-    public boolean beginDrawing(int width, int height, int tileWidth, int tileHeight, String metadata) {
-        boolean shouldContinue = super.beginDrawing(width, height, tileWidth, tileHeight, metadata);
-
-        if (!shouldContinue) {
-            return shouldContinue;
-        }
-
-        // If the window size has changed, reallocate the buffer to match.
-        if (mBufferSize.width != width || mBufferSize.height != height) {
-            mBufferSize = new IntSize(width, height);
-        }
-
-        return shouldContinue;
-    }
-
-    @Override
-    protected void updateLayerAfterDraw(Rect updatedRect) {
+    protected void updateLayerAfterDraw() {
         if (mTileLayer instanceof MultiTileLayer) {
-            ((MultiTileLayer)mTileLayer).invalidate(updatedRect);
+            ((MultiTileLayer)mTileLayer).invalidate();
         }
     }
 

android/experimental/LOAndroid3/src/java/org/mozilla/gecko/gfx/Layer.java

@@ -195,6 +195,7 @@ public abstract class Layer {
      * update is complete.
      */
     protected boolean performUpdates(RenderContext context) {
+
         if (mNewOrigin != null) {
             mOrigin = mNewOrigin;
             mNewOrigin = null;

android/experimental/LOAndroid3/src/java/org/mozilla/gecko/gfx/MultiTileLayer.java

@@ -53,8 +53,6 @@ import java.util.ArrayList;
 
 /**
  * Encapsulates the logic needed to draw a layer made of multiple tiles.
- * <p/>
- * TODO: Support repeating.
  */
 public class MultiTileLayer extends Layer {
     private static final String LOGTAG = "GeckoMultiTileLayer";