Remove FilterIconButton

<?xml version="1.0" encoding="utf-8"?>

<!--

     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.

-->

<com.android.gallery3d.filtershow.ui.FilterIconButton

    style="@style/FilterIconButton" />

package com.android.gallery3d.filtershow.category;

import android.content.Context;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ArrayAdapter;

import android.widget.ListView;

import com.android.gallery3d.R;

import com.android.gallery3d.filtershow.filters.FilterRepresentation;

import com.android.gallery3d.filtershow.filters.FilterTinyPlanetRepresentation;

import com.android.gallery3d.filtershow.pipeline.ImagePreset;

import com.android.gallery3d.filtershow.ui.FilterIconButton;

public class CategoryAdapter extends ArrayAdapter<Action> {

/*

 * 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.gallery3d.filtershow.ui;

import android.content.Context;

import android.content.res.Resources;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.graphics.Canvas;

import android.graphics.Paint;

import android.graphics.Rect;

import android.graphics.RectF;

import android.graphics.drawable.Drawable;

import android.util.AttributeSet;

import android.view.View;

import android.widget.LinearLayout;

import com.android.gallery3d.R;

import com.android.gallery3d.filtershow.FilterShowActivity;

import com.android.gallery3d.filtershow.pipeline.RenderingRequest;

import com.android.gallery3d.filtershow.pipeline.RenderingRequestCaller;

import com.android.gallery3d.filtershow.category.Action;

import com.android.gallery3d.filtershow.category.CategoryAdapter;

import com.android.gallery3d.filtershow.filters.FilterRepresentation;

import com.android.gallery3d.filtershow.imageshow.GeometryListener;

import com.android.gallery3d.filtershow.imageshow.GeometryMetadata;

import com.android.gallery3d.filtershow.imageshow.MasterImage;

import com.android.gallery3d.filtershow.pipeline.ImagePreset;

import com.android.gallery3d.filtershow.tools.IconFactory;

// TODO: merge back IconButton and FilterIconButton?

public class FilterIconButton extends IconButton implements View.OnClickListener,

        RenderingRequestCaller, GeometryListener {

    private static final String LOGTAG = "FilterIconButton";

    private Bitmap mOverlayBitmap = null;

    private boolean mOverlayOnly = false;

    private FilterRepresentation mFilterRepresentation = null;

    private Bitmap mIconBitmap = null;

    private Action mAction;

    private Paint mSelectPaint;

    private int mSelectStroke;

    private CategoryAdapter mAdapter;

    public FilterIconButton(Context context) {

        super(context);

    }

    public FilterIconButton(Context context, AttributeSet attrs) {

        super(context, attrs);

    }

    public FilterIconButton(Context context, AttributeSet attrs, int defStyle) {

        super(context, attrs, defStyle);

    }

    public void setup(String text, LinearLayout parent, CategoryAdapter adapter) {

        mAdapter = adapter;

        setText(text);

        setContentDescription(text);

        super.setOnClickListener(this);

        Resources res = getContext().getResources();

        MasterImage.getImage().addGeometryListener(this);

        mSelectStroke = res.getDimensionPixelSize(R.dimen.thumbnail_margin);

        mSelectPaint = new Paint();

        mSelectPaint.setStyle(Paint.Style.FILL);

        mSelectPaint.setColor(res.getColor(R.color.filtershow_category_selection));

        invalidate();

    }

    @Override

    public void onClick(View v) {

        FilterShowActivity activity = (FilterShowActivity) getContext();

        activity.showRepresentation(mFilterRepresentation);

        mAdapter.setSelected(v);

    }

    public FilterRepresentation getFilterRepresentation() {

        return mFilterRepresentation;

    }

    public void setAction(Action action) {

        mAction = action;

        if (action == null) {

            return;

        }

        if (mAction.getPortraitImage() != null) {

            mIconBitmap = mAction.getPortraitImage();

            setIcon(mIconBitmap);

        }

        setFilterRepresentation(mAction.getRepresentation());

    }

    private void setFilterRepresentation(FilterRepresentation filterRepresentation) {

        mFilterRepresentation = filterRepresentation;

        if (mFilterRepresentation != null && mFilterRepresentation.getOverlayId() != 0) {

            if (mAction.getOverlayBitmap() == null) {

                mOverlayBitmap = BitmapFactory.decodeResource(getResources(),

                    mFilterRepresentation.getOverlayId());

                mAction.setOverlayBitmap(mOverlayBitmap);

            } else {

                mOverlayBitmap = mAction.getOverlayBitmap();

            }

        }

        mOverlayOnly = mFilterRepresentation.getOverlayOnly();

        if (mOverlayOnly) {

            assert(mOverlayBitmap != null);

            setIcon(mOverlayBitmap);

        }

        invalidate();

    }

    @Override

    protected void onDraw(Canvas canvas) {

        if (mIconBitmap == null && !mOverlayOnly) {

            postNewIconRenderRequest();

        } else {

            super.onDraw(canvas);

        }

        if (mAdapter.isSelected(this)) {

            Drawable iconDrawable = getCompoundDrawables()[1];

            if (iconDrawable != null) {

                canvas.save();

                int padding = getCompoundDrawablePadding();

                canvas.translate(getScrollX() + padding + getPaddingLeft() - mSelectStroke - 1,

                        getScrollY() + padding + getPaddingTop() - mSelectStroke - 1);

                Rect r = iconDrawable.getBounds();

                SelectionRenderer.drawSelection(canvas, r.left, r.top,

                        r.right + 2 * mSelectStroke + 2, r.bottom + 2 * mSelectStroke + 2,

                        mSelectStroke, mSelectPaint);

                canvas.restore();

            }

        }

    }

    @Override

    public void available(RenderingRequest request) {

        Bitmap bmap = request.getBitmap();

        if (bmap == null) {

            return;

        }

        if (mOverlayOnly) {

            setIcon(mOverlayBitmap);

        } else {

            mIconBitmap = bmap;

            if (mOverlayBitmap != null) {

                // Draw overlay bitmap over icon

                IconFactory.drawIcon(mIconBitmap, mOverlayBitmap, false);

            }

            setIcon(mIconBitmap);

            if (mAction != null) {

                mAction.setPortraitImage(mIconBitmap);

            }

        }

    }

    @Override

    public void geometryChanged() {

        if (mOverlayOnly) {

            return;

        }

        mIconBitmap = null;

        invalidate();

    }

    private void postNewIconRenderRequest() {

        Bitmap dst = MasterImage.getImage().getThumbnailBitmap();

        if (dst != null && mAction != null) {

            ImagePreset mPreset = new ImagePreset();

            mPreset.addFilter(mFilterRepresentation);

            GeometryMetadata geometry = mPreset.getGeometry();

            RectF bound = new RectF(0, 0, dst.getWidth(), dst.getHeight());

            geometry.setCropBounds(bound);

            geometry.setPhotoBounds(bound);

            mPreset.setGeometry(geometry);

            RenderingRequest.post(dst.copy(Bitmap.Config.ARGB_8888, true),

                    mPreset, RenderingRequest.ICON_RENDERING, this);

        }

    }

}

/*

 * 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.gallery3d.filtershow.ui;

import android.content.Context;

import android.graphics.Bitmap;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.Paint;

import android.graphics.Rect;

import android.graphics.drawable.BitmapDrawable;

import android.util.AttributeSet;

import android.widget.Button;

import com.android.gallery3d.filtershow.tools.IconFactory;

import com.android.photos.data.GalleryBitmapPool;

/**

 * Class of buttons with both an image icon and text.

 */

public class IconButton extends Button {

    private Bitmap mImageMirror = null;

    private Bitmap mIcon = null;

    private boolean stale_icon = true;

    public IconButton(Context context) {

        this(context, null);

    }

    public IconButton(Context context, AttributeSet attrs) {

        this(context, attrs, 0);

    }

    public IconButton(Context context, AttributeSet attrs, int defStyle) {

        super(context, attrs, defStyle);

        BitmapDrawable ic = (BitmapDrawable) getCompoundDrawables()[1];

        if (ic != null) {

            mImageMirror = ic.getBitmap();

        }

    }

    /**

     * Set the image that the button icon will use.  The image bitmap will be scaled

     * and cropped into the largest bitmap with dimensions given by getGoodIconSideSize()

     * that will fit cleanly within the IconButton's layout.

     *

     * @param image image that icon will be set to before next draw.

     */

    public void setIcon(Bitmap image) {

        mImageMirror = image;

        stale_icon = true;

        invalidate();

    }

    /**

     * Finds a side lengths for the icon that fits within the button.

     * Only call after layout.  The default implementation returns the best

     * side lengths for a square icon.

     * <p>

     * Override this to make non-square icons or icons with different padding

     * constraints.

     *

     * @return  an array of ints representing the icon dimensions [ width, height ]

     */

    protected int[] getGoodIconSideSize() {

        Paint p = getPaint();

        Rect bounds = new Rect();

        // find text bounds

        String s = getText().toString();

        p.getTextBounds(s, 0, s.length(), bounds);

        int inner_padding = 2 * getCompoundDrawablePadding();

        // find total vertical space available for the icon

        int vert = getHeight() - getPaddingTop() - getPaddingBottom() - bounds.height()

                - inner_padding;

        // find total horizontal space available for the icon

        int horiz = getWidth() - getPaddingLeft() - getPaddingRight() - inner_padding;

        int defaultSize = Math.min(vert, horiz);

        return new int[] { defaultSize, defaultSize };

    }

    @Override

    protected void onSizeChanged(int w, int h, int oldw, int oldh) {

        super.onSizeChanged(w, h, oldw, oldh);

        if (w != oldw || h != oldh) {

            stale_icon = true;

        }

    }

    @Override

    protected void onDraw(Canvas canvas) {

        if (stale_icon && mImageMirror != null && mImageMirror.getHeight() > 0

                && mImageMirror.getWidth() > 0) {

            stale_icon = !makeAndSetIcon(mImageMirror);

        }

        super.onDraw(canvas);

    }

    // Internal methods

    /**

     * Creates and sets button icon. Only call after layout.

     *

     * @param image bitmap to use as icon

     */

    private boolean makeAndSetIcon(Bitmap image) {

        int[] sizes = getGoodIconSideSize();

        if (sizes != null && sizes.length >= 2 && sizes[0] > 0 && sizes[1] > 0) {

            return setImageIcon(makeImageIcon(image, sizes[0], sizes[1]));

        }

        return false;

    }

    /**

     * Sets icon.

     *

     * @param image bitmap to set the icon to.

     */

    private boolean setImageIcon(Bitmap image) {

        if (image == null) {

            return false;

        }

        if(mIcon != null && mIcon.getConfig() == Bitmap.Config.ARGB_8888) {

            GalleryBitmapPool.getInstance().put(mIcon);

            mIcon = null;

        }

        mIcon = image;

        this.setCompoundDrawablesWithIntrinsicBounds(null,

                new BitmapDrawable(getResources(), mIcon), null, null);

        return true;

    }

    /**

     * Generate an icon bitmap from a given bitmap.

     *

     * @param image bitmap to use as button icon

     * @param width icon width

     * @param height icon height

     * @return the scaled/cropped icon bitmap

     */

    private Bitmap makeImageIcon(Bitmap image, int width, int height) {

        if (image == null || image.getHeight() < 1 || image.getWidth() < 1 ||

                width < 1 || height < 1) {

            throw new IllegalArgumentException("input is null, or has invalid dimensions");

        }

        Bitmap icon = null;

        icon = GalleryBitmapPool.getInstance().get(width, height);

        if (icon == null) {

            icon = IconFactory.createIcon(image, width, height, false);

        } else {

            assert(icon.getWidth() == width && icon.getHeight() == height);

            icon.eraseColor(Color.TRANSPARENT);

            IconFactory.drawIcon(icon, image, false);

        }

        return icon;

    }

}