Merge "Port magnifier widget to BLAST" into sc-dev

import android.graphics.Bitmap;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.BLASTBufferQueue;

import android.graphics.Insets;

import android.graphics.Outline;

import android.graphics.Paint;

        // The surface we allocate for the magnifier content + shadow.

        private final SurfaceSession mSurfaceSession;

        private final SurfaceControl mSurfaceControl;

        private final BLASTBufferQueue mBBQ;

        private final SurfaceControl.Transaction mTransaction = new SurfaceControl.Transaction();

        private final Surface mSurface;

        // The renderer used for the allocated surface.

            final int surfaceHeight = mContentHeight + 2 * mOffsetY;

            mSurfaceSession = new SurfaceSession();

            mSurfaceControl = new SurfaceControl.Builder(mSurfaceSession)

                    .setFormat(PixelFormat.TRANSLUCENT)

                    .setBufferSize(surfaceWidth, surfaceHeight)

                    .setName("magnifier surface")

                    .setFlags(SurfaceControl.HIDDEN)

                    .setBLASTLayer()

                    .setParent(parentSurfaceControl)

                    .setCallsite("InternalPopupWindow")

                    .build();

            mSurface = new Surface();

            mSurface.copyFrom(mSurfaceControl);

            mBBQ = new BLASTBufferQueue("magnifier surface", mSurfaceControl,

                surfaceWidth, surfaceHeight, PixelFormat.TRANSLUCENT);

            mSurface = mBBQ.createSurface();

            // Setup the RenderNode tree. The root has two children, one containing the bitmap

            // and one containing the overlay. We use a separate render node for the overlay

            }

            if (mContentHeight < contentHeight) {

                // Grows the surface height as necessary.

                new SurfaceControl.Transaction().setBufferSize(

                        mSurfaceControl, mContentWidth, contentHeight).apply();

                mSurface.copyFrom(mSurfaceControl);

                mBBQ.update(mSurfaceControl, mContentWidth, contentHeight,

                    PixelFormat.TRANSLUCENT);

                mRenderer.setSurface(mSurface);

                final Outline outline = new Outline();

            // Destroy the renderer. This will not proceed until pending frame callbacks complete.

            mRenderer.destroy();

            mSurface.destroy();

            mBBQ.destroy();

            new SurfaceControl.Transaction().remove(mSurfaceControl).apply();

            mSurfaceSession.kill();

            mHandler.removeCallbacks(mMagnifierUpdater);

                        if (!mSurface.isValid()) {

                            return;

                        }

                        // Show or move the window at the content draw frame.

                        mTransaction.deferTransactionUntil(mSurfaceControl, mSurfaceControl,

                                frame);

                        if (updateWindowPosition) {

                            mTransaction.setPosition(mSurfaceControl, pendingX, pendingY);

                        }

                                .show(mSurfaceControl);

                        }

                        mTransaction.apply();

                        // Show or move the window at the content draw frame.

                        mBBQ.mergeWithNextTransaction(mTransaction, frame);

                    };

                    if (!mIsFishEyeStyle) {

                        // The new style magnifier doesn't need the light/shadow.