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/*
 * Copyright (C) 2012 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.
 */

package com.android.ide.eclipse.gltrace.views.detail;

import com.android.ide.eclipse.gltrace.GLProtoBuf.GLMessage.Function;
import com.android.ide.eclipse.gltrace.model.GLCall;
import com.android.ide.eclipse.gltrace.model.GLTrace;
import com.android.ide.eclipse.gltrace.views.FitToCanvasAction;
import com.android.ide.eclipse.gltrace.views.SaveImageAction;
import com.android.ide.eclipse.gltrace.widgets.ImageCanvas;

import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.action.IContributionItem;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;

import java.util.Arrays;
import java.util.List;

public class GlDrawCallDetailProvider implements ICallDetailProvider {
    private ImageCanvas mImageCanvas;
    private FitToCanvasAction mFitToCanvasAction;
    private SaveImageAction mSaveImageAction;
    private List<IContributionItem> mToolBarItems;

    @Override
    public boolean isApplicable(GLCall call) {
        return (call.getFunction() == Function.glDrawArrays
                || call.getFunction() == Function.glDrawElements) && call.hasFb();
    }

    @Override
    public void createControl(Composite parent) {
        mImageCanvas = new ImageCanvas(parent);
        mImageCanvas.setFitToCanvas(false);

        mFitToCanvasAction = new FitToCanvasAction(false, mImageCanvas);
        mSaveImageAction = new SaveImageAction(mImageCanvas);

        mToolBarItems = Arrays.asList(
                (IContributionItem) new ActionContributionItem(mFitToCanvasAction),
                (IContributionItem) new ActionContributionItem(mSaveImageAction));
    }

    @Override
    public void disposeControl() {
        if (mImageCanvas != null) {
            mImageCanvas.dispose();
            mImageCanvas = null;
        }
    }

    @Override
    public Control getControl() {
        return mImageCanvas;
    }

    @Override
    public void updateControl(GLTrace trace, GLCall call) {
        mImageCanvas.setImage(trace.getImage(call));
        mImageCanvas.setFitToCanvas(true);
    }

    @Override
    public List<IContributionItem> getToolBarItems() {
        return mToolBarItems;
    }
}