fdo#85845 android: draw tiles immediately when they are ready

Change-Id: I924a212210703b0f6136ddefacd77d98dc89f42d

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

@@ -15,12 +15,14 @@ public class LOEvent {
     public static final int LOAD = 6;
     public static final int CLOSE = 7;
     public static final int REDRAW = 8;
+    public static final int TILE_REQUEST = 9;
 
     public int mType;
-    private ImmutableViewportMetrics mViewportMetrics;
-    private String mTypeString;
-    private int mPartIndex;
-    private String mFilename;
+    public ImmutableViewportMetrics mViewportMetrics;
+    public String mTypeString;
+    public int mPartIndex;
+    public String mFilename;
+    public TileIdentifier mTileId;
 
     public LOEvent(int type) {
         mType = type;
@@ -31,8 +33,15 @@ public class LOEvent {
         mTypeString = "Size Changed: " + widthPixels + " " + heightPixels;
     }
 
+    public LOEvent(int type, TileIdentifier tileId) {
+        mType = type;
+        mTypeString = "Tile Request";
+        mTileId = tileId;
+    }
+
     public LOEvent(int type, String filename) {
         mType = type;
+        mTypeString = "Filename";
         mFilename = filename;
     }
 
@@ -64,16 +73,4 @@ public class LOEvent {
         }
         return mTypeString;
     }
-
-    public ImmutableViewportMetrics getViewport() {
-        return mViewportMetrics;
-    }
-
-    public int getPartIndex() {
-        return mPartIndex;
-    }
-
-    public String getFilename() {
-        return mFilename;
-    }
 }

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

@@ -38,4 +38,8 @@ public class LOEventFactory {
     public static LOEvent redraw() {
         return new LOEvent(LOEvent.REDRAW);
     }
+
+    public static LOEvent tileRequest(TileIdentifier tileRequest) {
+        return new LOEvent(LOEvent.TILE_REQUEST, tileRequest);
+    }
 }

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

@@ -6,7 +6,7 @@ import android.util.DisplayMetrics;
 import android.util.Log;
 
 import org.mozilla.gecko.gfx.GeckoLayerClient;
-import org.mozilla.gecko.gfx.ImmutableViewportMetrics;;
+import org.mozilla.gecko.gfx.ImmutableViewportMetrics;
 
 import java.util.concurrent.LinkedBlockingQueue;
 
@@ -33,16 +33,17 @@ public class LOKitThread extends Thread {
         DisplayMetrics displayMetrics = LibreOfficeMainActivity.mAppContext.getResources().getDisplayMetrics();
         mViewportMetrics = new ImmutableViewportMetrics(displayMetrics);
         mViewportMetrics = mViewportMetrics.setPageRect(rect, rect);
-
-        GeckoLayerClient layerClient = mApplication.getLayerClient();
-
-        layerClient.beginDrawing();
-        layerClient.reevaluateTiles();
-        layerClient.endDrawing(mViewportMetrics);
+        mLayerClient.reevaluateTiles();
 
         return true;
     }
 
+    private void tileRequest(TileIdentifier tileId) {
+        mLayerClient.beginDrawing();
+        mLayerClient.addTile(tileId);
+        mLayerClient.endDrawing(mViewportMetrics);
+    }
+
     /** Handle the geometry change + draw. */
     private void redraw() {
         if (mLayerClient == null || mTileProvider == null) {
@@ -114,13 +115,13 @@ public class LOKitThread extends Thread {
         Log.i(LOGTAG, "processEvent: " + event.getTypeString());
         switch (event.mType) {
             case LOEvent.LOAD:
-                loadDocument(event.getFilename());
+                loadDocument(event.mFilename);
                 break;
             case LOEvent.CLOSE:
                 closeDocument();
                 break;
             case LOEvent.VIEWPORT:
-                mViewportMetrics = event.getViewport();
+                mViewportMetrics = event.mViewportMetrics;
                 draw();
                 break;
             case LOEvent.DRAW:
@@ -130,7 +131,10 @@ public class LOKitThread extends Thread {
                 redraw();
                 break;
             case LOEvent.CHANGE_PART:
-                changePart(event.getPartIndex());
+                changePart(event.mPartIndex);
+                break;
+            case LOEvent.TILE_REQUEST:
+                tileRequest(event.mTileId);
                 break;
         }
     }

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

+package org.libreoffice;
+
+public class TileIdentifier {
+    public final int x;
+    public final int y;
+    public final float zoom;
+
+    public TileIdentifier(int x, int y, float zoom) {
+        this.x = x;
+        this.y = y;
+        this.zoom = zoom;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        TileIdentifier that = (TileIdentifier) o;
+
+        if (x != that.x) return false;
+        if (y != that.y) return false;
+        if (Float.compare(that.zoom, zoom) != 0) return false;
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = x;
+        result = 31 * result + y;
+        result = 31 * result + (zoom != +0.0f ? Float.floatToIntBits(zoom) : 0);
+        return result;
+    }
+}
\ No newline at end of file

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

@@ -5,6 +5,9 @@ import android.graphics.RectF;
 import android.graphics.Region;
 import android.util.Log;
 
+import org.libreoffice.LOEventFactory;
+import org.libreoffice.LOKitShell;
+import org.libreoffice.TileIdentifier;
 import org.libreoffice.TileProvider;
 import org.mozilla.gecko.util.FloatUtils;
 
@@ -16,6 +19,7 @@ public class DynamicTileLayer extends Layer {
     private static final String LOGTAG = DynamicTileLayer.class.getSimpleName();
 
     private final List<SubTile> tiles = new CopyOnWriteArrayList<SubTile>();
+
     private TileProvider tileProvider;
     private final IntSize tileSize;
     private RectF currentViewport = new RectF();
@@ -33,8 +37,8 @@ public class DynamicTileLayer extends Layer {
     }
 
     public void invalidate() {
-        for (SubTile layer : tiles) {
-            layer.invalidate();
+        for (SubTile tile : tiles) {
+            tile.invalidate();
         }
     }
 
@@ -162,10 +166,7 @@ public class DynamicTileLayer extends Layer {
                     }
                 }
                 if (!contains) {
-                    CairoImage image = tileProvider.createTile(x, y, tileSize, viewportMetrics.zoomFactor);
-                    SubTile tile = new SubTile(image, (int) x, (int) y, viewportMetrics.zoomFactor);
-                    tile.beginTransaction();
-                    tiles.add(tile);
+                    LOKitShell.sendEvent(LOEventFactory.tileRequest(new TileIdentifier((int)x, (int)y, viewportMetrics.zoomFactor)));
                 }
             }
         }
@@ -199,4 +200,11 @@ public class DynamicTileLayer extends Layer {
         tiles.clear();
         currentViewport = new RectF();
     }
+
+    public void addTile(TileIdentifier tileId) {
+        CairoImage image = tileProvider.createTile(tileId.x, tileId.y, tileSize, tileId.zoom);
+        SubTile tile = new SubTile(image, tileId);
+        tile.beginTransaction();
+        tiles.add(tile);
+    }
 }

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

@@ -16,6 +16,7 @@ import android.view.GestureDetector;
 import org.libreoffice.LOEvent;
 import org.libreoffice.LOEventFactory;
 import org.libreoffice.LOKitShell;
+import org.libreoffice.TileIdentifier;
 import org.libreoffice.TileProvider;
 import org.mozilla.gecko.ZoomConstraints;
 import org.mozilla.gecko.ui.PanZoomController;
@@ -478,6 +479,7 @@ public class GeckoLayerClient implements PanZoomTarget, LayerView.Listener {
     public GestureDetector.OnDoubleTapListener getDoubleTapListener() {
         return mPanZoomController;
     }
+
     private class AdjustRunnable implements Runnable {
         public void run() {
             mPendingViewportAdjust = false;
@@ -498,4 +500,8 @@ public class GeckoLayerClient implements PanZoomTarget, LayerView.Listener {
         mRootLayer.clearAndReset();
     }
 
+    public void addTile(TileIdentifier tileId) {
+        mRootLayer.addTile(tileId);
+    }
+
 }
\ No newline at end of file

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

@@ -5,50 +5,18 @@
 
 package org.mozilla.gecko.gfx;
 
+import org.libreoffice.TileIdentifier;
+
 public class SubTile extends SingleTileLayer {
     public boolean markedForRemoval = false;
     public final TileIdentifier id;
 
-    public SubTile(CairoImage mImage, int x, int y, float zoom) {
+    public SubTile(CairoImage mImage, TileIdentifier id) {
         super(mImage);
-        id = new TileIdentifier(x, y, zoom);
+        this.id = id;
     }
 
     public void markForRemoval() {
         markedForRemoval = true;
     }
-
-    public static class TileIdentifier {
-        public int x;
-        public int y;
-        public float zoom;
-
-        public TileIdentifier(int x, int y, float zoom) {
-            this.x = x;
-            this.y = y;
-            this.zoom = zoom;
-        }
-
-        @Override
-        public boolean equals(Object o) {
-            if (this == o) return true;
-            if (o == null || getClass() != o.getClass()) return false;
-
-            TileIdentifier that = (TileIdentifier) o;
-
-            if (x != that.x) return false;
-            if (y != that.y) return false;
-            if (Float.compare(that.zoom, zoom) != 0) return false;
-
-            return true;
-        }
-
-        @Override
-        public int hashCode() {
-            int result = x;
-            result = 31 * result + y;
-            result = 31 * result + (zoom != +0.0f ? Float.floatToIntBits(zoom) : 0);
-            return result;
-        }
-    }
 }