| /* |
| * Copyright (C) 2016 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.statusbar.phone; |
| |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.content.res.Resources; |
| import android.util.AttributeSet; |
| import android.util.SparseArray; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.FrameLayout; |
| import android.widget.ImageView; |
| import android.widget.LinearLayout; |
| import android.widget.Space; |
| import com.android.systemui.R; |
| import com.android.systemui.statusbar.policy.KeyButtonView; |
| import com.android.systemui.tuner.TunerService; |
| |
| import java.util.Objects; |
| |
| public class NavigationBarInflaterView extends FrameLayout implements TunerService.Tunable { |
| |
| private static final String TAG = "NavBarInflater"; |
| |
| public static final String NAV_BAR_VIEWS = "sysui_nav_bar"; |
| |
| public static final String MENU_IME = "menu_ime"; |
| public static final String BACK = "back"; |
| public static final String HOME = "home"; |
| public static final String RECENT = "recent"; |
| public static final String NAVSPACE = "space"; |
| public static final String CLIPBOARD = "clipboard"; |
| public static final String KEY = "key"; |
| |
| public static final String GRAVITY_SEPARATOR = ";"; |
| public static final String BUTTON_SEPARATOR = ","; |
| |
| public static final String SIZE_MOD_START = "["; |
| public static final String SIZE_MOD_END = "]"; |
| |
| public static final String KEY_CODE_START = "("; |
| public static final String KEY_IMAGE_DELIM = ":"; |
| public static final String KEY_CODE_END = ")"; |
| |
| protected LayoutInflater mLayoutInflater; |
| protected LayoutInflater mLandscapeInflater; |
| private int mDensity; |
| |
| protected FrameLayout mRot0; |
| protected FrameLayout mRot90; |
| |
| private SparseArray<ButtonDispatcher> mButtonDispatchers; |
| private String mCurrentLayout; |
| |
| public NavigationBarInflaterView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| mDensity = context.getResources().getConfiguration().densityDpi; |
| createInflaters(); |
| } |
| |
| private void createInflaters() { |
| mLayoutInflater = LayoutInflater.from(mContext); |
| Configuration landscape = new Configuration(); |
| landscape.setTo(mContext.getResources().getConfiguration()); |
| landscape.orientation = Configuration.ORIENTATION_LANDSCAPE; |
| mLandscapeInflater = LayoutInflater.from(mContext.createConfigurationContext(landscape)); |
| } |
| |
| @Override |
| protected void onConfigurationChanged(Configuration newConfig) { |
| super.onConfigurationChanged(newConfig); |
| if (mDensity != newConfig.densityDpi) { |
| mDensity = newConfig.densityDpi; |
| createInflaters(); |
| clearViews(); |
| inflateLayout(mCurrentLayout); |
| } |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| mRot0 = (FrameLayout) findViewById(R.id.rot0); |
| mRot90 = (FrameLayout) findViewById(R.id.rot90); |
| clearViews(); |
| inflateLayout(getDefaultLayout()); |
| } |
| |
| protected String getDefaultLayout() { |
| return mContext.getString(R.string.config_navBarLayout); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| TunerService.get(getContext()).addTunable(this, NAV_BAR_VIEWS); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| TunerService.get(getContext()).removeTunable(this); |
| super.onDetachedFromWindow(); |
| } |
| |
| @Override |
| public void onTuningChanged(String key, String newValue) { |
| if (NAV_BAR_VIEWS.equals(key)) { |
| if (newValue == null) { |
| newValue = getDefaultLayout(); |
| } |
| if (!Objects.equals(mCurrentLayout, newValue)) { |
| clearViews(); |
| inflateLayout(newValue); |
| } |
| } |
| } |
| |
| public void setButtonDispatchers(SparseArray<ButtonDispatcher> buttonDisatchers) { |
| mButtonDispatchers = buttonDisatchers; |
| for (int i = 0; i < buttonDisatchers.size(); i++) { |
| initiallyFill(buttonDisatchers.valueAt(i)); |
| } |
| } |
| |
| private void initiallyFill(ButtonDispatcher buttonDispatcher) { |
| addAll(buttonDispatcher, (ViewGroup) mRot0.findViewById(R.id.ends_group)); |
| addAll(buttonDispatcher, (ViewGroup) mRot0.findViewById(R.id.center_group)); |
| addAll(buttonDispatcher, (ViewGroup) mRot90.findViewById(R.id.ends_group)); |
| addAll(buttonDispatcher, (ViewGroup) mRot90.findViewById(R.id.center_group)); |
| } |
| |
| private void addAll(ButtonDispatcher buttonDispatcher, ViewGroup parent) { |
| for (int i = 0; i < parent.getChildCount(); i++) { |
| // Need to manually search for each id, just in case each group has more than one |
| // of a single id. It probably mostly a waste of time, but shouldn't take long |
| // and will only happen once. |
| if (parent.getChildAt(i).getId() == buttonDispatcher.getId()) { |
| buttonDispatcher.addView(parent.getChildAt(i)); |
| } else if (parent.getChildAt(i) instanceof ViewGroup) { |
| addAll(buttonDispatcher, (ViewGroup) parent.getChildAt(i)); |
| } |
| } |
| } |
| |
| protected void inflateLayout(String newLayout) { |
| mCurrentLayout = newLayout; |
| String[] sets = newLayout.split(GRAVITY_SEPARATOR, 3); |
| String[] start = sets[0].split(BUTTON_SEPARATOR); |
| String[] center = sets[1].split(BUTTON_SEPARATOR); |
| String[] end = sets[2].split(BUTTON_SEPARATOR); |
| inflateButtons(start, (ViewGroup) mRot0.findViewById(R.id.ends_group), false); |
| inflateButtons(start, (ViewGroup) mRot90.findViewById(R.id.ends_group), true); |
| |
| inflateButtons(center, (ViewGroup) mRot0.findViewById(R.id.center_group), false); |
| inflateButtons(center, (ViewGroup) mRot90.findViewById(R.id.center_group), true); |
| |
| addGravitySpacer((LinearLayout) mRot0.findViewById(R.id.ends_group)); |
| addGravitySpacer((LinearLayout) mRot90.findViewById(R.id.ends_group)); |
| |
| inflateButtons(end, (ViewGroup) mRot0.findViewById(R.id.ends_group), false); |
| inflateButtons(end, (ViewGroup) mRot90.findViewById(R.id.ends_group), true); |
| } |
| |
| private void addGravitySpacer(LinearLayout layout) { |
| layout.addView(new Space(mContext), new LinearLayout.LayoutParams(0, 0, 1)); |
| } |
| |
| private void inflateButtons(String[] buttons, ViewGroup parent, boolean landscape) { |
| for (int i = 0; i < buttons.length; i++) { |
| inflateButton(buttons[i], parent, landscape); |
| } |
| } |
| |
| private ViewGroup.LayoutParams copy(ViewGroup.LayoutParams layoutParams) { |
| if (layoutParams instanceof LinearLayout.LayoutParams) { |
| return new LinearLayout.LayoutParams(layoutParams.width, layoutParams.height, |
| ((LinearLayout.LayoutParams) layoutParams).weight); |
| } |
| return new LayoutParams(layoutParams.width, layoutParams.height); |
| } |
| |
| @Nullable |
| protected View inflateButton(String buttonSpec, ViewGroup parent, boolean landscape) { |
| LayoutInflater inflater = landscape ? mLandscapeInflater : mLayoutInflater; |
| float size = extractSize(buttonSpec); |
| String button = extractButton(buttonSpec); |
| View v = null; |
| if (HOME.equals(button)) { |
| v = inflater.inflate(R.layout.home, parent, false); |
| if (landscape && isSw600Dp()) { |
| setupLandButton(v); |
| } |
| } else if (BACK.equals(button)) { |
| v = inflater.inflate(R.layout.back, parent, false); |
| if (landscape && isSw600Dp()) { |
| setupLandButton(v); |
| } |
| } else if (RECENT.equals(button)) { |
| v = inflater.inflate(R.layout.recent_apps, parent, false); |
| if (landscape && isSw600Dp()) { |
| setupLandButton(v); |
| } |
| } else if (MENU_IME.equals(button)) { |
| v = inflater.inflate(R.layout.menu_ime, parent, false); |
| } else if (NAVSPACE.equals(button)) { |
| v = inflater.inflate(R.layout.nav_key_space, parent, false); |
| } else if (CLIPBOARD.equals(button)) { |
| v = inflater.inflate(R.layout.clipboard, parent, false); |
| } else if (button.startsWith(KEY)) { |
| String uri = extractImage(button); |
| int code = extractKeycode(button); |
| v = inflater.inflate(R.layout.custom_key, parent, false); |
| ((KeyButtonView) v).setCode(code); |
| if (uri != null) { |
| ((KeyButtonView) v).loadAsync(uri); |
| } |
| } else { |
| return null; |
| } |
| |
| if (size != 0) { |
| ViewGroup.LayoutParams params = v.getLayoutParams(); |
| params.width = (int) (params.width * size); |
| } |
| parent.addView(v); |
| addToDispatchers(v); |
| return v; |
| } |
| |
| public static String extractImage(String buttonSpec) { |
| if (!buttonSpec.contains(KEY_IMAGE_DELIM)) { |
| return null; |
| } |
| final int start = buttonSpec.indexOf(KEY_IMAGE_DELIM); |
| String subStr = buttonSpec.substring(start + 1, buttonSpec.indexOf(KEY_CODE_END)); |
| return subStr; |
| } |
| |
| public static int extractKeycode(String buttonSpec) { |
| if (!buttonSpec.contains(KEY_CODE_START)) { |
| return 1; |
| } |
| final int start = buttonSpec.indexOf(KEY_CODE_START); |
| String subStr = buttonSpec.substring(start + 1, buttonSpec.indexOf(KEY_IMAGE_DELIM)); |
| return Integer.parseInt(subStr); |
| } |
| |
| public static float extractSize(String buttonSpec) { |
| if (!buttonSpec.contains(SIZE_MOD_START)) { |
| return 1; |
| } |
| final int sizeStart = buttonSpec.indexOf(SIZE_MOD_START); |
| String sizeStr = buttonSpec.substring(sizeStart + 1, buttonSpec.indexOf(SIZE_MOD_END)); |
| return Float.parseFloat(sizeStr); |
| } |
| |
| public static String extractButton(String buttonSpec) { |
| if (!buttonSpec.contains(SIZE_MOD_START)) { |
| return buttonSpec; |
| } |
| return buttonSpec.substring(0, buttonSpec.indexOf(SIZE_MOD_START)); |
| } |
| |
| private void addToDispatchers(View v) { |
| if (mButtonDispatchers != null) { |
| final int indexOfKey = mButtonDispatchers.indexOfKey(v.getId()); |
| if (indexOfKey >= 0) { |
| mButtonDispatchers.valueAt(indexOfKey).addView(v); |
| } |
| } |
| } |
| |
| private boolean isSw600Dp() { |
| Configuration configuration = mContext.getResources().getConfiguration(); |
| return (configuration.smallestScreenWidthDp >= 600); |
| } |
| |
| /** |
| * This manually sets the width of sw600dp landscape buttons because despite |
| * overriding the configuration from the overridden resources aren't loaded currently. |
| */ |
| private void setupLandButton(View v) { |
| Resources res = mContext.getResources(); |
| v.getLayoutParams().width = res.getDimensionPixelOffset( |
| R.dimen.navigation_key_width_sw600dp_land); |
| int padding = res.getDimensionPixelOffset(R.dimen.navigation_key_padding_sw600dp_land); |
| v.setPadding(padding, v.getPaddingTop(), padding, v.getPaddingBottom()); |
| } |
| |
| private void clearViews() { |
| if (mButtonDispatchers != null) { |
| for (int i = 0; i < mButtonDispatchers.size(); i++) { |
| mButtonDispatchers.valueAt(i).clear(); |
| } |
| } |
| clearAllChildren((ViewGroup) mRot0.findViewById(R.id.nav_buttons)); |
| clearAllChildren((ViewGroup) mRot90.findViewById(R.id.nav_buttons)); |
| } |
| |
| private void clearAllChildren(ViewGroup group) { |
| for (int i = 0; i < group.getChildCount(); i++) { |
| ((ViewGroup) group.getChildAt(i)).removeAllViews(); |
| } |
| } |
| } |