The Tor Browser: mobile/android/base/gfx/PluginLayer.java@fc2d59ddac77 (annotated)

mobile/android/base/gfx/PluginLayer.java@fc2d59ddac77 (annotated)

mobile/android/base/gfx/PluginLayer.java

Wed, 31 Dec 2014 07:22:50 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 07:22:50 +0100
branch: TOR_BUG_3246
changeset 4: fc2d59ddac77
permissions: -rw-r--r--

Correct previous dual key logic pending first delivery installment.

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 package org.mozilla.gecko.gfx;
 import org.mozilla.gecko.GeckoAppShell;
 import org.mozilla.gecko.util.FloatUtils;
 import org.mozilla.gecko.util.ThreadUtils;
 import android.graphics.PointF;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.view.SurfaceView;
 import android.view.View;
 import android.widget.AbsoluteLayout;
 public class PluginLayer extends TileLayer {
     private static final String LOGTAG = "PluginLayer";
     private View mView;
     private SurfaceView mSurfaceView;
     private PluginLayoutParams mLayoutParams;
     private AbsoluteLayout mContainer;
     private boolean mDestroyed;
     private boolean mViewVisible;
     private RectF mLastViewport;
     private float mLastZoomFactor;
     private static final float TEXTURE_MAP[] = {
 .0f, 1.0f, // top left
 .0f, 0.0f, // bottom left
 .0f, 1.0f, // top right
 .0f, 0.0f, // bottom right
     };
     public PluginLayer(View view, RectF rect, int maxDimension) {
         super(new BufferedCairoImage(null, 0, 0, 0), TileLayer.PaintMode.NORMAL);
         mView = view;
         mContainer = GeckoAppShell.getGeckoInterface().getPluginContainer();
         mView.setWillNotDraw(false);
         if (mView instanceof SurfaceView) {
             mSurfaceView = (SurfaceView)view;
             mSurfaceView.setZOrderOnTop(false);
             mSurfaceView.setZOrderMediaOverlay(true);
         }
         mLayoutParams = new PluginLayoutParams(rect, maxDimension);
     }
     public void setVisible(boolean visible) {
         if (visible) {
             showView();
         } else {
             hideView();
         }
     }
     private void hideView() {
         if (mViewVisible) {
             ThreadUtils.postToUiThread(new Runnable() {
                 @Override
                 public void run() {
                     mView.setVisibility(View.GONE);
                     mViewVisible = false;
                 }
             });
         }
     }
     public void showView() {
         ThreadUtils.postToUiThread(new Runnable() {
             @Override
             public void run() {
                 if (mContainer.indexOfChild(mView) < 0) {
                     mContainer.addView(mView, mLayoutParams);
                 } else {
                     mContainer.updateViewLayout(mView, mLayoutParams);
                     mView.setVisibility(View.VISIBLE);
                 }
                 mViewVisible = true;
             }
         });
     }
     @Override
     public void destroy() {
         mDestroyed = true;
         mContainer.removeView(mView);
     }
     public void reset(RectF rect) {
         mLayoutParams.reset(rect);
     }
     @Override
     protected void performUpdates(RenderContext context) {
         if (mDestroyed)
             return;
         if (!RectUtils.fuzzyEquals(context.viewport, mLastViewport) ||
             !FloatUtils.fuzzyEquals(context.zoomFactor, mLastZoomFactor)) {
             mLastZoomFactor = context.zoomFactor;
             mLastViewport = context.viewport;
             mLayoutParams.reposition(context.viewport, context.offset, context.zoomFactor);
             showView();
         }
     }
     @Override
     public void draw(RenderContext context) {
     }
     class PluginLayoutParams extends AbsoluteLayout.LayoutParams
     {
         private static final String LOGTAG = "GeckoApp.PluginLayoutParams";
         private RectF mRect;
         private int mMaxDimension;
         private float mLastResolution;
         public PluginLayoutParams(RectF rect, int maxDimension) {
             super(0, 0, 0, 0);
             mMaxDimension = maxDimension;
             reset(rect);
         }
         private void clampToMaxSize() {
             if (width > mMaxDimension || height > mMaxDimension) {
                 if (width > height) {
                     height = Math.round(((float)height/(float)width) * mMaxDimension);
                     width = mMaxDimension;
                 } else {
                     width = Math.round(((float)width/(float)height) * mMaxDimension);
                     height = mMaxDimension;
                 }
             }
         }
         public void reset(RectF rect) {
             mRect = rect;
         }
         public void reposition(RectF viewport, PointF offset, float zoomFactor) {
             RectF scaled = RectUtils.scale(mRect, zoomFactor);
             scaled.offset(offset.x, offset.y);
             this.x = Math.round(scaled.left - viewport.left);
             this.y = Math.round(scaled.top - viewport.top);
             if (!FloatUtils.fuzzyEquals(mLastResolution, zoomFactor)) {
                 width = Math.round(mRect.width() * zoomFactor);
                 height = Math.round(mRect.height() * zoomFactor);
                 mLastResolution = zoomFactor;
                 clampToMaxSize();
             }
         }
     }
 }

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mobile/android/base/gfx/PluginLayer.java@fc2d59ddac77 (annotated)

mobile/android/base/gfx/PluginLayer.java