gecko/mobile/android/base/toolbar/ShapedButton.java
Lucas Rocha f60d2fd5dd Bug 937641 - Move toolbar-related classes to the toolbar package (r=sriram)
--HG--
rename : mobile/android/base/AutocompleteHandler.java => mobile/android/base/toolbar/AutocompleteHandler.java
rename : mobile/android/base/BackButton.java => mobile/android/base/toolbar/BackButton.java
rename : mobile/android/base/BrowserToolbar.java => mobile/android/base/toolbar/BrowserToolbar.java
rename : mobile/android/base/BrowserToolbarBackground.java => mobile/android/base/toolbar/BrowserToolbarBackground.java
rename : mobile/android/base/CanvasDelegate.java => mobile/android/base/toolbar/CanvasDelegate.java
rename : mobile/android/base/ForwardButton.java => mobile/android/base/toolbar/ForwardButton.java
rename : mobile/android/base/PageActionLayout.java => mobile/android/base/toolbar/PageActionLayout.java
rename : mobile/android/base/ShapedButton.java => mobile/android/base/toolbar/ShapedButton.java
rename : mobile/android/base/TabCounter.java => mobile/android/base/toolbar/TabCounter.java
2013-11-19 15:46:48 +00:00

147 lines
4.9 KiB
Java

/* 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 org.mozilla.gecko.GeckoApplication;
import org.mozilla.gecko.LightweightTheme;
import org.mozilla.gecko.LightweightThemeDrawable;
import org.mozilla.gecko.R;
import org.mozilla.gecko.widget.GeckoImageButton;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Path;
import android.graphics.PorterDuff.Mode;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.StateListDrawable;
import android.util.AttributeSet;
public class ShapedButton extends GeckoImageButton
implements CanvasDelegate.DrawManager {
protected final LightweightTheme mTheme;
private final Path mPath;
private final CurveTowards mSide;
protected final CanvasDelegate mCanvasDelegate;
private enum CurveTowards { NONE, LEFT, RIGHT };
public ShapedButton(Context context, AttributeSet attrs) {
super(context, attrs);
mTheme = ((GeckoApplication) context.getApplicationContext()).getLightweightTheme();
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.BrowserToolbarCurve);
int curveTowards = a.getInt(R.styleable.BrowserToolbarCurve_curveTowards, 0x00);
a.recycle();
if (curveTowards == 0x00)
mSide = CurveTowards.NONE;
else if (curveTowards == 0x01)
mSide = CurveTowards.LEFT;
else
mSide = CurveTowards.RIGHT;
// Path is clipped.
mPath = new Path();
mCanvasDelegate = new CanvasDelegate(this, Mode.DST_IN);
setWillNotDraw(false);
}
@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
if (mSide == CurveTowards.NONE)
return;
final int width = getMeasuredWidth();
final int height = getMeasuredHeight();
final int curve = (int) (height * 1.125f);
mPath.reset();
if (mSide == CurveTowards.RIGHT) {
mPath.moveTo(0, 0);
mPath.cubicTo(curve * 0.75f, 0,
curve * 0.25f, height,
curve, height);
mPath.lineTo(width, height);
mPath.lineTo(width, 0);
mPath.lineTo(0, 0);
} else if (mSide == CurveTowards.LEFT) {
mPath.moveTo(width, 0);
mPath.cubicTo((width - (curve * 0.75f)), 0,
(width - (curve * 0.25f)), height,
(width - curve), height);
mPath.lineTo(0, height);
mPath.lineTo(0, 0);
}
}
@Override
public void draw(Canvas canvas) {
if (mCanvasDelegate != null && mSide != CurveTowards.NONE)
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 = getResources().getColor(R.color.background_tabs);
final LightweightThemeDrawable lightWeight = mTheme.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.background_tabs));
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));
}
}