1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/base/gfx/PluginLayer.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,169 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +package org.mozilla.gecko.gfx;
1.9 +
1.10 +import org.mozilla.gecko.GeckoAppShell;
1.11 +import org.mozilla.gecko.util.FloatUtils;
1.12 +import org.mozilla.gecko.util.ThreadUtils;
1.13 +
1.14 +import android.graphics.PointF;
1.15 +import android.graphics.Rect;
1.16 +import android.graphics.RectF;
1.17 +import android.view.SurfaceView;
1.18 +import android.view.View;
1.19 +import android.widget.AbsoluteLayout;
1.20 +
1.21 +public class PluginLayer extends TileLayer {
1.22 + private static final String LOGTAG = "PluginLayer";
1.23 +
1.24 + private View mView;
1.25 + private SurfaceView mSurfaceView;
1.26 + private PluginLayoutParams mLayoutParams;
1.27 + private AbsoluteLayout mContainer;
1.28 +
1.29 + private boolean mDestroyed;
1.30 + private boolean mViewVisible;
1.31 +
1.32 + private RectF mLastViewport;
1.33 + private float mLastZoomFactor;
1.34 +
1.35 + private static final float TEXTURE_MAP[] = {
1.36 + 0.0f, 1.0f, // top left
1.37 + 0.0f, 0.0f, // bottom left
1.38 + 1.0f, 1.0f, // top right
1.39 + 1.0f, 0.0f, // bottom right
1.40 + };
1.41 +
1.42 + public PluginLayer(View view, RectF rect, int maxDimension) {
1.43 + super(new BufferedCairoImage(null, 0, 0, 0), TileLayer.PaintMode.NORMAL);
1.44 +
1.45 + mView = view;
1.46 + mContainer = GeckoAppShell.getGeckoInterface().getPluginContainer();
1.47 +
1.48 + mView.setWillNotDraw(false);
1.49 + if (mView instanceof SurfaceView) {
1.50 + mSurfaceView = (SurfaceView)view;
1.51 + mSurfaceView.setZOrderOnTop(false);
1.52 + mSurfaceView.setZOrderMediaOverlay(true);
1.53 + }
1.54 +
1.55 + mLayoutParams = new PluginLayoutParams(rect, maxDimension);
1.56 + }
1.57 +
1.58 + public void setVisible(boolean visible) {
1.59 + if (visible) {
1.60 + showView();
1.61 + } else {
1.62 + hideView();
1.63 + }
1.64 + }
1.65 +
1.66 + private void hideView() {
1.67 + if (mViewVisible) {
1.68 + ThreadUtils.postToUiThread(new Runnable() {
1.69 + @Override
1.70 + public void run() {
1.71 + mView.setVisibility(View.GONE);
1.72 + mViewVisible = false;
1.73 + }
1.74 + });
1.75 + }
1.76 + }
1.77 +
1.78 + public void showView() {
1.79 + ThreadUtils.postToUiThread(new Runnable() {
1.80 + @Override
1.81 + public void run() {
1.82 + if (mContainer.indexOfChild(mView) < 0) {
1.83 + mContainer.addView(mView, mLayoutParams);
1.84 + } else {
1.85 + mContainer.updateViewLayout(mView, mLayoutParams);
1.86 + mView.setVisibility(View.VISIBLE);
1.87 + }
1.88 + mViewVisible = true;
1.89 + }
1.90 + });
1.91 + }
1.92 +
1.93 + @Override
1.94 + public void destroy() {
1.95 + mDestroyed = true;
1.96 +
1.97 + mContainer.removeView(mView);
1.98 + }
1.99 +
1.100 + public void reset(RectF rect) {
1.101 + mLayoutParams.reset(rect);
1.102 + }
1.103 +
1.104 + @Override
1.105 + protected void performUpdates(RenderContext context) {
1.106 + if (mDestroyed)
1.107 + return;
1.108 +
1.109 + if (!RectUtils.fuzzyEquals(context.viewport, mLastViewport) ||
1.110 + !FloatUtils.fuzzyEquals(context.zoomFactor, mLastZoomFactor)) {
1.111 +
1.112 + mLastZoomFactor = context.zoomFactor;
1.113 + mLastViewport = context.viewport;
1.114 + mLayoutParams.reposition(context.viewport, context.offset, context.zoomFactor);
1.115 +
1.116 + showView();
1.117 + }
1.118 + }
1.119 +
1.120 + @Override
1.121 + public void draw(RenderContext context) {
1.122 + }
1.123 +
1.124 + class PluginLayoutParams extends AbsoluteLayout.LayoutParams
1.125 + {
1.126 + private static final String LOGTAG = "GeckoApp.PluginLayoutParams";
1.127 +
1.128 + private RectF mRect;
1.129 + private int mMaxDimension;
1.130 + private float mLastResolution;
1.131 +
1.132 + public PluginLayoutParams(RectF rect, int maxDimension) {
1.133 + super(0, 0, 0, 0);
1.134 +
1.135 + mMaxDimension = maxDimension;
1.136 + reset(rect);
1.137 + }
1.138 +
1.139 + private void clampToMaxSize() {
1.140 + if (width > mMaxDimension || height > mMaxDimension) {
1.141 + if (width > height) {
1.142 + height = Math.round(((float)height/(float)width) * mMaxDimension);
1.143 + width = mMaxDimension;
1.144 + } else {
1.145 + width = Math.round(((float)width/(float)height) * mMaxDimension);
1.146 + height = mMaxDimension;
1.147 + }
1.148 + }
1.149 + }
1.150 +
1.151 + public void reset(RectF rect) {
1.152 + mRect = rect;
1.153 + }
1.154 +
1.155 + public void reposition(RectF viewport, PointF offset, float zoomFactor) {
1.156 +
1.157 + RectF scaled = RectUtils.scale(mRect, zoomFactor);
1.158 + scaled.offset(offset.x, offset.y);
1.159 +
1.160 + this.x = Math.round(scaled.left - viewport.left);
1.161 + this.y = Math.round(scaled.top - viewport.top);
1.162 +
1.163 + if (!FloatUtils.fuzzyEquals(mLastResolution, zoomFactor)) {
1.164 + width = Math.round(mRect.width() * zoomFactor);
1.165 + height = Math.round(mRect.height() * zoomFactor);
1.166 + mLastResolution = zoomFactor;
1.167 +
1.168 + clampToMaxSize();
1.169 + }
1.170 + }
1.171 + }
1.172 +}
