mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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fbe94f983a
Not only does this reduce the amount of cruft needed while getting and setting these properties, it makes the code more consistent because we don't have half of this stored in the Layer base class and the other half provided by an abstract method implementation in subclasses. Furthermore, this allows the VirtualLayer size to be updated based on the area painted by gecko rather than remaining fixed at the view size when the virtual layer was created.
137 lines
5.0 KiB
Java
137 lines
5.0 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Android code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009-2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Patrick Walton <pcwalton@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package org.mozilla.gecko.gfx;
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import org.mozilla.gecko.GeckoApp;
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import org.mozilla.gecko.GeckoAppShell;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.Point;
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import android.graphics.Rect;
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import android.util.Log;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.io.ByteArrayInputStream;
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import java.nio.ByteBuffer;
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/**
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* A stand-in for Gecko that renders cached content of the previous page. We use this until Gecko
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* is up, then we hand off control to it.
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*/
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public class PlaceholderLayerClient {
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private static final String LOGTAG = "PlaceholderLayerClient";
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private final LayerController mLayerController;
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private ViewportMetrics mViewport;
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private boolean mViewportUnknown;
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private int mWidth, mHeight, mFormat;
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private ByteBuffer mBuffer;
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public PlaceholderLayerClient(LayerController controller, String lastViewport) {
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mLayerController = controller;
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mViewportUnknown = true;
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if (lastViewport != null) {
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try {
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JSONObject viewportObject = new JSONObject(lastViewport);
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mViewport = new ViewportMetrics(viewportObject);
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mViewportUnknown = false;
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} catch (JSONException e) {
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Log.e(LOGTAG, "Error parsing saved viewport!");
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mViewport = new ViewportMetrics();
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}
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} else {
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mViewport = new ViewportMetrics();
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}
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loadScreenshot();
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if (mViewportUnknown)
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mViewport.setViewport(mLayerController.getViewport());
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mLayerController.setViewportMetrics(mViewport);
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BufferedCairoImage image = new BufferedCairoImage(mBuffer, mWidth, mHeight, mFormat);
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SingleTileLayer tileLayer = new SingleTileLayer(image);
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tileLayer.beginTransaction(); // calling thread irrelevant; nobody else has a ref to tileLayer yet
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try {
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Point origin = PointUtils.round(mViewport.getOrigin());
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tileLayer.setPosition(new Rect(origin.x, origin.y, origin.x + mWidth, origin.y + mHeight));
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} finally {
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tileLayer.endTransaction();
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}
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mLayerController.setRoot(tileLayer);
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}
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public void destroy() {
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if (mBuffer != null) {
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GeckoAppShell.freeDirectBuffer(mBuffer);
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mBuffer = null;
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}
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}
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boolean loadScreenshot() {
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if (GeckoApp.mAppContext.mLastScreen == null)
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return false;
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Bitmap bitmap = BitmapFactory.decodeStream(new ByteArrayInputStream(GeckoApp.mAppContext.mLastScreen));
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if (bitmap == null)
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return false;
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Bitmap.Config config = bitmap.getConfig();
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mWidth = bitmap.getWidth();
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mHeight = bitmap.getHeight();
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mFormat = CairoUtils.bitmapConfigToCairoFormat(config);
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int bpp = CairoUtils.bitsPerPixelForCairoFormat(mFormat) / 8;
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mBuffer = GeckoAppShell.allocateDirectBuffer(mWidth * mHeight * bpp);
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bitmap.copyPixelsToBuffer(mBuffer.asIntBuffer());
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if (mViewportUnknown) {
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mViewport.setPageSize(new FloatSize(mWidth, mHeight));
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mLayerController.setPageSize(mViewport.getPageSize());
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}
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return true;
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}
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}
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