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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.toolbar;
import android.support.v4.content.ContextCompat;
import org.mozilla.gecko.R;
import org.mozilla.gecko.lwt.LightweightThemeDrawable;
import org.mozilla.gecko.widget.themed.ThemedImageButton;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.PorterDuff.Mode;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.StateListDrawable;
import android.util.AttributeSet;
/**
* A ImageButton with a custom drawn path and lightweight theme support. Note that {@link ShapedButtonFrameLayout}
* copies the lwt support so if you change it here, you should probably change it there.
*/
public class ShapedButton extends ThemedImageButton
implements CanvasDelegate.DrawManager {
protected final Path mPath;
protected final CanvasDelegate mCanvasDelegate;
public ShapedButton(Context context, AttributeSet attrs) {
super(context, attrs);
// Path is clipped.
mPath = new Path();
final Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setColor(ContextCompat.getColor(context, R.color.canvas_delegate_paint));
paint.setStrokeWidth(0.0f);
mCanvasDelegate = new CanvasDelegate(this, Mode.DST_IN, paint);
setWillNotDraw(false);
}
@Override
@SuppressLint("MissingSuperCall") // Super gets called from defaultDraw().
// It is intentionally not called in the other case.
public void draw(Canvas canvas) {
if (mCanvasDelegate != null)
mCanvasDelegate.draw(canvas, mPath, getWidth(), getHeight());
else
defaultDraw(canvas);
}
@Override
public void defaultDraw(Canvas canvas) {
super.draw(canvas);
}
// The drawable is constructed as per @drawable/shaped_button.
@Override
public void onLightweightThemeChanged() {
final int background = ContextCompat.getColor(getContext(), R.color.text_and_tabs_tray_grey);
final LightweightThemeDrawable lightWeight = getTheme().getColorDrawable(this, background);
if (lightWeight == null)
return;
lightWeight.setAlpha(34, 34);
final StateListDrawable stateList = new StateListDrawable();
stateList.addState(PRESSED_ENABLED_STATE_SET, getColorDrawable(R.color.highlight_shaped));
stateList.addState(FOCUSED_STATE_SET, getColorDrawable(R.color.highlight_shaped_focused));
stateList.addState(PRIVATE_STATE_SET, getColorDrawable(R.color.text_and_tabs_tray_grey));
stateList.addState(EMPTY_STATE_SET, lightWeight);
setBackgroundDrawable(stateList);
}
@Override
public void onLightweightThemeReset() {
setBackgroundResource(R.drawable.shaped_button);
}
@Override
public void setBackgroundDrawable(Drawable drawable) {
if (getBackground() == null || drawable == null) {
super.setBackgroundDrawable(drawable);
return;
}
int[] padding = new int[] { getPaddingLeft(),
getPaddingTop(),
getPaddingRight(),
getPaddingBottom()
};
drawable.setLevel(getBackground().getLevel());
super.setBackgroundDrawable(drawable);
setPadding(padding[0], padding[1], padding[2], padding[3]);
}
@Override
public void setBackgroundResource(int resId) {
setBackgroundDrawable(getResources().getDrawable(resId));
}
}
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