| /* |
| * Copyright (C) 2014 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.systemui.qs.tiles; |
| |
| import android.provider.Settings.Secure; |
| |
| import com.android.systemui.Prefs; |
| import com.android.systemui.R; |
| import com.android.systemui.qs.QSTile; |
| import com.android.systemui.qs.SecureSetting; |
| import com.android.systemui.qs.UsageTracker; |
| |
| /** Quick settings tile: Invert colors **/ |
| public class ColorInversionTile extends QSTile<QSTile.BooleanState> { |
| |
| private final AnimationIcon mEnable |
| = new AnimationIcon(R.drawable.ic_invert_colors_enable_animation); |
| private final AnimationIcon mDisable |
| = new AnimationIcon(R.drawable.ic_invert_colors_disable_animation); |
| private final SecureSetting mSetting; |
| private final UsageTracker mUsageTracker; |
| |
| private boolean mListening; |
| |
| public ColorInversionTile(Host host) { |
| super(host); |
| |
| mSetting = new SecureSetting(mContext, mHandler, |
| Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED) { |
| @Override |
| protected void handleValueChanged(int value, boolean observedChange) { |
| if (value != 0 || observedChange) { |
| mUsageTracker.trackUsage(); |
| } |
| if (mListening) { |
| handleRefreshState(value); |
| } |
| } |
| }; |
| mUsageTracker = new UsageTracker(host.getContext(), |
| Prefs.Key.COLOR_INVERSION_TILE_LAST_USED, ColorInversionTile.class, |
| R.integer.days_to_show_color_inversion_tile); |
| if (mSetting.getValue() != 0 && !mUsageTracker.isRecentlyUsed()) { |
| mUsageTracker.trackUsage(); |
| } |
| mUsageTracker.setListening(true); |
| mSetting.setListening(true); |
| } |
| |
| @Override |
| protected void handleDestroy() { |
| super.handleDestroy(); |
| mUsageTracker.setListening(false); |
| mSetting.setListening(false); |
| } |
| |
| @Override |
| protected BooleanState newTileState() { |
| return new BooleanState(); |
| } |
| |
| @Override |
| public void setListening(boolean listening) { |
| mListening = listening; |
| } |
| |
| @Override |
| protected void handleUserSwitch(int newUserId) { |
| mSetting.setUserId(newUserId); |
| handleRefreshState(mSetting.getValue()); |
| } |
| |
| @Override |
| protected void handleClick() { |
| mSetting.setValue(mState.value ? 0 : 1); |
| mEnable.setAllowAnimation(true); |
| mDisable.setAllowAnimation(true); |
| } |
| |
| @Override |
| protected void handleLongClick() { |
| if (mState.value) return; // don't allow usage reset if inversion is active |
| final String title = mContext.getString(R.string.quick_settings_reset_confirmation_title, |
| mState.label); |
| mUsageTracker.showResetConfirmation(title, new Runnable() { |
| @Override |
| public void run() { |
| refreshState(); |
| } |
| }); |
| } |
| |
| @Override |
| protected void handleUpdateState(BooleanState state, Object arg) { |
| final int value = arg instanceof Integer ? (Integer) arg : mSetting.getValue(); |
| final boolean enabled = value != 0; |
| state.visible = enabled || mUsageTracker.isRecentlyUsed(); |
| state.value = enabled; |
| state.label = mContext.getString(R.string.quick_settings_inversion_label); |
| state.icon = enabled ? mEnable : mDisable; |
| } |
| |
| @Override |
| protected String composeChangeAnnouncement() { |
| if (mState.value) { |
| return mContext.getString( |
| R.string.accessibility_quick_settings_color_inversion_changed_on); |
| } else { |
| return mContext.getString( |
| R.string.accessibility_quick_settings_color_inversion_changed_off); |
| } |
| } |
| } |