The Tor Browser: mobile/android/base/toolbar/ForwardButton.java@fc2d59ddac77

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     3  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 package org.mozilla.gecko.toolbar;

     7 import org.mozilla.gecko.R;

     9 import android.content.Context;

    10 import android.graphics.Canvas;

    11 import android.graphics.LinearGradient;

    12 import android.graphics.Paint;

    13 import android.graphics.Path;

    14 import android.graphics.Shader;

    15 import android.graphics.drawable.Drawable;

    16 import android.graphics.drawable.StateListDrawable;

    17 import android.util.AttributeSet;

    19 public class ForwardButton extends ShapedButton {

    20     private Path mBorderPath;

    21     private Paint mBorderPaint;

    22     private Paint mBorderPrivatePaint;

    24     public ForwardButton(Context context, AttributeSet attrs) {

    25         super(context, attrs);

    27         // Paint to draw the border.

    28         mBorderPaint = new Paint();

    29         mBorderPaint.setAntiAlias(true);

    30         mBorderPaint.setColor(0xFF000000);

    31         mBorderPaint.setStyle(Paint.Style.STROKE);

    33         mBorderPrivatePaint = new Paint(mBorderPaint);

    35         mBorderPath = new Path();

    36     }

    38     @Override

    39     protected void onSizeChanged(int width, int height, int oldWidth, int oldHeight) {

    40         super.onSizeChanged(width, height, oldWidth, oldHeight);

    42         float borderWidth = getContext().getResources().getDimension(R.dimen.nav_button_border_width);

    43         mBorderPaint.setStrokeWidth(borderWidth);

    44         mBorderPrivatePaint.setStrokeWidth(borderWidth);

    46         mBorderPath.reset();

    47         mBorderPath.moveTo(width - borderWidth, 0);

    48         mBorderPath.lineTo(width - borderWidth, height);

    50         mBorderPaint.setShader(new LinearGradient(0, 0,

    51                                                   0, height,

    52                                                   0xFFB5BBC1, 0xFFFAFBFC,

    53                                                   Shader.TileMode.CLAMP));

    55         mBorderPrivatePaint.setShader(new LinearGradient(0, 0,

    56                                                          0, height,

    57                                                          0xFF040607, 0xFF0B0D0E,

    58                                                          Shader.TileMode.CLAMP));

    59     }

    61     @Override

    62     public void draw(Canvas canvas) {

    63         super.draw(canvas);

    65         // Draw the border on top.

    66         canvas.drawPath(mBorderPath, isPrivateMode() ? mBorderPrivatePaint : mBorderPaint);

    67     }

    69     // The drawable is constructed as per @drawable/url_bar_nav_button.

    70     @Override

    71     public void onLightweightThemeChanged() {

    72         final Drawable drawable = mTheme.getDrawable(this);

    73         if (drawable == null)

    74             return;

    76         final StateListDrawable stateList = new StateListDrawable();

    77         stateList.addState(PRIVATE_PRESSED_STATE_SET, getColorDrawable(R.color.highlight_nav_pb));

    78         stateList.addState(PRESSED_ENABLED_STATE_SET, getColorDrawable(R.color.highlight_nav));

    79         stateList.addState(PRIVATE_FOCUSED_STATE_SET, getColorDrawable(R.color.highlight_nav_focused_pb));

    80         stateList.addState(FOCUSED_STATE_SET, getColorDrawable(R.color.highlight_nav_focused));

    81         stateList.addState(PRIVATE_STATE_SET, getColorDrawable(R.color.background_private));

    82         stateList.addState(EMPTY_STATE_SET, drawable);

    84         setBackgroundDrawable(stateList);

    85     }

    87     @Override

    88     public void onLightweightThemeReset() {

    89         setBackgroundResource(R.drawable.url_bar_nav_button);

    90     }

    91 }

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