services/surfaceflinger/LayerScreenshot.cpp

/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <stdlib.h>
#include <stdint.h>
#include <sys/types.h>

#include "LayerScreenshot.h"
#include "SurfaceFlinger.h"
#include "DisplayDevice.h"

namespace android {
// ---------------------------------------------------------------------------

LayerScreenshot::LayerScreenshot(SurfaceFlinger* flinger,
        const sp<Client>& client)
    : Layer(flinger, client)
{
}

void LayerScreenshot::onFirstRef()
{
    Layer::onFirstRef();

    // FIXME: we currently hardcode the default display
    // it's unclear what should we do instead.
    sp<const DisplayDevice> hw(mFlinger->getDefaultDisplayDevice());
    mFlinger->captureScreenImplLocked(hw, getConsumer()->getBufferQueue(),
            0, 0, 0, 0x7FFFFFFF);
}

// ---------------------------------------------------------------------------

}; // namespace android