michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: package org.mozilla.gecko.widget;
michael@0: 
michael@0: import org.mozilla.gecko.GeckoApplication;
michael@0: import org.mozilla.gecko.LightweightTheme;
michael@0: import org.mozilla.gecko.R;
michael@0: 
michael@0: import android.content.Context;
michael@0: import android.content.res.TypedArray;
michael@0: import android.graphics.drawable.ColorDrawable;
michael@0: import android.util.AttributeSet;
michael@0: 
michael@0: public class Themed@VIEW_NAME_SUFFIX@ extends @BASE_TYPE@
michael@0:                                      implements LightweightTheme.OnChangeListener {
michael@0:     private final LightweightTheme mTheme;
michael@0: 
michael@0:     private static final int[] STATE_PRIVATE_MODE = { R.attr.state_private };
michael@0:     private static final int[] STATE_LIGHT = { R.attr.state_light };
michael@0:     private static final int[] STATE_DARK = { R.attr.state_dark };
michael@0: 
michael@0:     protected static final int[] PRIVATE_PRESSED_STATE_SET = { R.attr.state_private, android.R.attr.state_pressed };
michael@0:     protected static final int[] PRIVATE_FOCUSED_STATE_SET = { R.attr.state_private, android.R.attr.state_focused };
michael@0:     protected static final int[] PRIVATE_STATE_SET = { R.attr.state_private };
michael@0: 
michael@0:     private boolean mIsPrivate = false;
michael@0:     private boolean mIsLight = false;
michael@0:     private boolean mIsDark = false;
michael@0:     private boolean mAutoUpdateTheme = true;
michael@0: 
michael@0:     public Themed@VIEW_NAME_SUFFIX@(Context context, AttributeSet attrs) {
michael@0:         super(context, attrs);
michael@0:         mTheme = ((GeckoApplication) context.getApplicationContext()).getLightweightTheme();
michael@0: 
michael@0:         TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.LightweightTheme);
michael@0:         mAutoUpdateTheme = a.getBoolean(R.styleable.LightweightTheme_autoUpdateTheme, true);
michael@0:         a.recycle();
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public void onAttachedToWindow() {
michael@0:         super.onAttachedToWindow();
michael@0: 
michael@0:         if (mAutoUpdateTheme)
michael@0:             mTheme.addListener(this);
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public void onDetachedFromWindow() {
michael@0:         super.onDetachedFromWindow();
michael@0: 
michael@0:         if (mAutoUpdateTheme)
michael@0:             mTheme.removeListener(this);
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public int[] onCreateDrawableState(int extraSpace) {
michael@0:         final int[] drawableState = super.onCreateDrawableState(extraSpace + 1);
michael@0: 
michael@0:         if (mIsPrivate)
michael@0:             mergeDrawableStates(drawableState, STATE_PRIVATE_MODE);
michael@0:         else if (mIsLight)
michael@0:             mergeDrawableStates(drawableState, STATE_LIGHT);
michael@0:         else if (mIsDark)
michael@0:             mergeDrawableStates(drawableState, STATE_DARK);
michael@0: 
michael@0:         return drawableState;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public void onLightweightThemeChanged() {
michael@0:         if (mAutoUpdateTheme && mTheme.isEnabled())
michael@0:             setTheme(mTheme.isLightTheme());
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public void onLightweightThemeReset() {
michael@0:         if (mAutoUpdateTheme)
michael@0:             resetTheme();
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
michael@0:         super.onLayout(changed, left, top, right, bottom);
michael@0:         onLightweightThemeChanged();
michael@0:     }
michael@0: 
michael@0:     public boolean isPrivateMode() {
michael@0:         return mIsPrivate;
michael@0:     }
michael@0: 
michael@0:     public void setPrivateMode(boolean isPrivate) {
michael@0:         if (mIsPrivate != isPrivate) {
michael@0:             mIsPrivate = isPrivate;
michael@0:             refreshDrawableState();
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     public void setTheme(boolean isLight) {
michael@0:         // Set the theme only if it is different from existing theme.
michael@0:         if ((isLight && mIsLight != isLight) ||
michael@0:             (!isLight && mIsDark == isLight)) {
michael@0:             if (isLight) {
michael@0:                 mIsLight = true;
michael@0:                 mIsDark = false;
michael@0:             } else {
michael@0:                 mIsLight = false;
michael@0:                 mIsDark = true;
michael@0:             }
michael@0: 
michael@0:             refreshDrawableState();
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     public void resetTheme() {
michael@0:         if (mIsLight || mIsDark) {
michael@0:             mIsLight = false;
michael@0:             mIsDark = false;
michael@0:             refreshDrawableState();
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     public void setAutoUpdateTheme(boolean autoUpdateTheme) {
michael@0:         if (mAutoUpdateTheme != autoUpdateTheme) {
michael@0:             mAutoUpdateTheme = autoUpdateTheme;
michael@0: 
michael@0:             if (mAutoUpdateTheme)
michael@0:                 mTheme.addListener(this);
michael@0:             else
michael@0:                 mTheme.removeListener(this);
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     public ColorDrawable getColorDrawable(int id) {
michael@0:         return new ColorDrawable(getResources().getColor(id));
michael@0:     }
michael@0: }