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Diffstat (limited to 'android/experimental/LOAndroid2/app/src/main/java/org/mozilla/gecko/gfx/MultiTileLayer.java')
-rw-r--r--android/experimental/LOAndroid2/app/src/main/java/org/mozilla/gecko/gfx/MultiTileLayer.java250
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diff --git a/android/experimental/LOAndroid2/app/src/main/java/org/mozilla/gecko/gfx/MultiTileLayer.java b/android/experimental/LOAndroid2/app/src/main/java/org/mozilla/gecko/gfx/MultiTileLayer.java
deleted file mode 100644
index a958a54eb303..000000000000
--- a/android/experimental/LOAndroid2/app/src/main/java/org/mozilla/gecko/gfx/MultiTileLayer.java
+++ /dev/null
@@ -1,250 +0,0 @@
-/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
-* ***** BEGIN LICENSE BLOCK *****
-* Version: MPL 1.1/GPL 2.0/LGPL 2.1
-*
-* The contents of this file are subject to the Mozilla Public License Version
-* 1.1 (the "License"); you may not use this file except in compliance with
-* the License. You may obtain a copy of the License at
-* http://www.mozilla.org/MPL/
-*
-* Software distributed under the License is distributed on an "AS IS" basis,
-* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
-* for the specific language governing rights and limitations under the
-* License.
-*
-* The Original Code is Mozilla Android code.
-*
-* The Initial Developer of the Original Code is Mozilla Foundation.
-* Portions created by the Initial Developer are Copyright (C) 2011-2012
-* the Initial Developer. All Rights Reserved.
-*
-* Contributor(s):
-* Chris Lord <chrislord.net@gmail.com>
-* Arkady Blyakher <rkadyb@mit.edu>
-*
-* Alternatively, the contents of this file may be used under the terms of
-* either the GNU General Public License Version 2 or later (the "GPL"), or
-* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
-* in which case the provisions of the GPL or the LGPL are applicable instead
-* of those above. If you wish to allow use of your version of this file only
-* under the terms of either the GPL or the LGPL, and not to allow others to
-* use your version of this file under the terms of the MPL, indicate your
-* decision by deleting the provisions above and replace them with the notice
-* and other provisions required by the GPL or the LGPL. If you do not delete
-* the provisions above, a recipient may use your version of this file under
-* the terms of any one of the MPL, the GPL or the LGPL.
-*
-* ***** END LICENSE BLOCK ***** */
-
-package org.mozilla.gecko.gfx;
-
-import android.graphics.Bitmap;
-import android.graphics.Point;
-import android.graphics.Rect;
-import android.graphics.RectF;
-import android.graphics.Region;
-import android.util.Log;
-
-import org.libreoffice.LOKitShell;
-
-import java.nio.Buffer;
-import java.nio.ByteBuffer;
-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";
-
- private final ArrayList<SubTile> mTiles;
- private IntSize mTileSize;
- private IntSize mSize;
-
- public MultiTileLayer(IntSize tileSize) {
- super();
- mTileSize = tileSize;
- mTiles = new ArrayList<SubTile>();
- mSize = new IntSize(0,0);
- }
-
- public void invalidate(Rect dirtyRect) {
- if (!inTransaction()) {
- throw new RuntimeException("invalidate() is only valid inside a transaction");
- }
-
- for (SubTile layer : mTiles) {
- IntSize tileSize = layer.getSize();
- Rect tileRect = new Rect(layer.x, layer.y, layer.x + tileSize.width, layer.y + tileSize.height);
-
- if (tileRect.intersect(dirtyRect)) {
- tileRect.offset(-layer.x, -layer.y);
- layer.invalidate(tileRect);
- }
- }
- }
-
- public void invalidate() {
- for (SubTile layer : mTiles) {
- layer.invalidate();
- }
- }
-
- public void setSize(IntSize size) {
- mSize = size;
- }
-
- @Override
- public IntSize getSize() {
- return mSize;
- }
-
- private void validateTiles() {
- Log.i(LOGTAG, "validateTiles()");
-
- // Set tile origins and resolution
- refreshTileMetrics(getOrigin(), getResolution(), false);
- }
-
- @Override
- protected boolean performUpdates(RenderContext context) {
- super.performUpdates(context);
-
- validateTiles();
-
- // Iterate over the tiles and decide which ones we'll be drawing
- int dirtyTiles = 0;
- boolean screenUpdateDone = false;
- SubTile firstDirtyTile = null;
- for (SubTile layer : mTiles) {
- // First do a non-texture update to make sure coordinates are
- // up-to-date.
- boolean invalid = layer.getSkipTextureUpdate();
- layer.setSkipTextureUpdate(true);
- layer.performUpdates(context);
-
- RectF layerBounds = layer.getBounds(context, new FloatSize(layer.getSize()));
- boolean isDirty = layer.isDirty();
-
- if (isDirty) {
- if (!RectF.intersects(layerBounds, context.viewport)) {
- if (firstDirtyTile == null)
- firstDirtyTile = layer;
- dirtyTiles++;
- invalid = true;
- } else {
- // This tile intersects with the screen and is dirty,
- // update it immediately.
- layer.setSkipTextureUpdate(false);
- screenUpdateDone = true;
- layer.performUpdates(context);
- invalid = false;
- }
- }
-
- // We use the SkipTextureUpdate flag as a marker of a tile's
- // validity. This is required, as sometimes layers are drawn
- // without updating first, and we mustn't draw tiles that have
- // been marked as invalid that we haven't updated.
- layer.setSkipTextureUpdate(invalid);
- }
-
- // Now if no tiles that intersect with the screen were updated, update
- // a single tile that doesn't (if there are any). This has the effect
- // of spreading out non-critical texture upload over time, and smoothing
- // upload-related hitches.
- if (!screenUpdateDone && firstDirtyTile != null) {
- firstDirtyTile.setSkipTextureUpdate(false);
- firstDirtyTile.performUpdates(context);
- dirtyTiles--;
- }
-
- return (dirtyTiles == 0);
- }
-
- private void refreshTileMetrics(Point origin, float resolution, boolean inTransaction) {
- IntSize size = getSize();
- for (SubTile layer : mTiles) {
- if (!inTransaction) {
- layer.beginTransaction();
- }
-
- if (origin != null) {
- layer.setOrigin(new Point(origin.x + layer.x, origin.y + layer.y));
- }
- if (resolution >= 0.0f) {
- layer.setResolution(resolution);
- }
-
- if (!inTransaction) {
- layer.endTransaction();
- }
- }
- }
-
- @Override
- public void setOrigin(Point newOrigin) {
- super.setOrigin(newOrigin);
- refreshTileMetrics(newOrigin, -1, true);
- }
-
- @Override
- public void setResolution(float newResolution) {
- super.setResolution(newResolution);
- refreshTileMetrics(null, newResolution, true);
- }
-
- @Override
- public void beginTransaction() {
- super.beginTransaction();
-
- for (SubTile layer : mTiles) {
- layer.beginTransaction();
- }
- }
-
- @Override
- public void endTransaction() {
- for (SubTile layer : mTiles) {
- layer.endTransaction();
- }
-
- super.endTransaction();
- }
-
- @Override
- public void draw(RenderContext context) {
- for (SubTile layer : mTiles) {
- // We use the SkipTextureUpdate flag as a validity flag. If it's false,
- // the contents of this tile are invalid and we shouldn't draw it.
- if (layer.getSkipTextureUpdate())
- continue;
-
- // Avoid work, only draw tiles that intersect with the viewport
- RectF layerBounds = layer.getBounds(context, new FloatSize(layer.getSize()));
- if (RectF.intersects(layerBounds, context.viewport))
- layer.draw(context);
- }
- }
-
- @Override
- public Region getValidRegion(RenderContext context) {
- Region validRegion = new Region();
- for (SubTile tile : mTiles) {
- if (tile.getSkipTextureUpdate())
- continue;
- validRegion.op(tile.getValidRegion(context), Region.Op.UNION);
- }
-
- return validRegion;
- }
-
- public void addTile(Bitmap bitmap, int x, int y) {
- SubTile tile = new SubTile(new BufferedCairoImage(bitmap), x,y);
- tile.beginTransaction();
- mTiles.add(tile);
- }
-}
-
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