b47bbc3d80
Make better use of Display object by saving it in DisplayContent. Only use layerStack when referring to Surfaces. Get displayId from default Display or default DisplayContent. Remove warnings. Fixes bug 7038151. Change-Id: Ie493f0f5e755dc9b91ee969ff561c2a098283ead
110 lines
4.2 KiB
Java
110 lines
4.2 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.wm;
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import android.graphics.PixelFormat;
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import android.util.Slog;
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import android.view.Surface;
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import android.view.SurfaceSession;
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import java.io.PrintWriter;
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class DimSurface {
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Surface mDimSurface;
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boolean mDimShown = false;
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int mDimColor = 0;
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int mLayer = -1;
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int mLastDimWidth, mLastDimHeight;
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DimSurface(SurfaceSession session, final int layerStack) {
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if (mDimSurface == null) {
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try {
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if (WindowManagerService.DEBUG_SURFACE_TRACE) {
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mDimSurface = new WindowStateAnimator.SurfaceTrace(session, 0,
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"DimSurface",
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layerStack, 16, 16, PixelFormat.OPAQUE,
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Surface.FX_SURFACE_DIM);
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} else {
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mDimSurface = new Surface(session, 0,
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"DimSurface",
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layerStack, 16, 16, PixelFormat.OPAQUE,
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Surface.FX_SURFACE_DIM);
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}
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if (WindowManagerService.SHOW_TRANSACTIONS ||
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WindowManagerService.SHOW_SURFACE_ALLOC) Slog.i(WindowManagerService.TAG,
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" DIM " + mDimSurface + ": CREATE");
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mDimSurface.setAlpha(0.0f);
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} catch (Exception e) {
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Slog.e(WindowManagerService.TAG, "Exception creating Dim surface", e);
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}
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}
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}
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/**
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* Show the dim surface.
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*/
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void show(int dw, int dh, int layer, int color) {
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if (!mDimShown) {
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if (WindowManagerService.SHOW_TRANSACTIONS) Slog.i(WindowManagerService.TAG, " DIM " + mDimSurface + ": SHOW pos=(0,0) (" +
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dw + "x" + dh + " layer=" + layer + ")");
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mDimShown = true;
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try {
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mLastDimWidth = dw;
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mLastDimHeight = dh;
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mDimSurface.setPosition(0, 0);
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mDimSurface.setSize(dw, dh);
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mDimSurface.setLayer(layer);
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mDimSurface.show();
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} catch (RuntimeException e) {
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Slog.w(WindowManagerService.TAG, "Failure showing dim surface", e);
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}
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} else if (mLastDimWidth != dw || mLastDimHeight != dh || mDimColor != color
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|| mLayer != layer) {
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if (WindowManagerService.SHOW_TRANSACTIONS) Slog.i(WindowManagerService.TAG, " DIM " + mDimSurface + ": pos=(0,0) (" +
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dw + "x" + dh + " layer=" + layer + ")");
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mLastDimWidth = dw;
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mLastDimHeight = dh;
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mLayer = layer;
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mDimColor = color;
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mDimSurface.setSize(dw, dh);
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mDimSurface.setLayer(layer);
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mDimSurface.setAlpha(((color>>24)&0xff)/255.0f);
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}
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}
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void hide() {
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if (mDimShown) {
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mDimShown = false;
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try {
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if (WindowManagerService.SHOW_TRANSACTIONS) Slog.i(WindowManagerService.TAG, " HIDE " + mDimSurface);
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mDimSurface.hide();
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} catch (RuntimeException e) {
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Slog.w(WindowManagerService.TAG, "Illegal argument exception hiding dim surface");
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}
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}
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}
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public void printTo(String prefix, PrintWriter pw) {
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pw.print(prefix); pw.print("mDimSurface="); pw.println(mDimSurface);
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pw.print(prefix); pw.print("mDimShown="); pw.print(mDimShown);
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pw.print(" mLayer="); pw.print(mLayer);
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pw.print(" mDimColor=0x"); pw.println(Integer.toHexString(mDimColor));
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pw.print(prefix); pw.print("mLastDimWidth="); pw.print(mLastDimWidth);
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pw.print(" mLastDimWidth="); pw.println(mLastDimWidth);
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}
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}
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