| /* |
| * 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.graphics.drawable.Icon; |
| import android.util.AttributeSet; |
| import android.util.SparseArray; |
| import android.view.Display; |
| import android.view.Display.Mode; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.WindowManager; |
| import android.widget.FrameLayout; |
| import android.widget.LinearLayout; |
| import android.widget.Space; |
| |
| import com.android.systemui.Dependency; |
| import com.android.systemui.R; |
| import com.android.systemui.plugins.PluginListener; |
| import com.android.systemui.plugins.PluginManager; |
| import com.android.systemui.plugins.statusbar.phone.NavBarButtonProvider; |
| import com.android.systemui.statusbar.policy.KeyButtonView; |
| import com.android.systemui.tuner.TunerService; |
| import com.android.systemui.tuner.TunerService.Tunable; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Objects; |
| |
| public class NavigationBarInflaterView extends FrameLayout |
| implements Tunable, PluginListener<NavBarButtonProvider> { |
| |
| private static final String TAG = "NavBarInflater"; |
| |
| public static final String NAV_BAR_VIEWS = "sysui_nav_bar"; |
| public static final String NAV_BAR_LEFT = "sysui_nav_bar_left"; |
| public static final String NAV_BAR_RIGHT = "sysui_nav_bar_right"; |
| |
| 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 LEFT = "left"; |
| public static final String RIGHT = "right"; |
| |
| 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 = ")"; |
| |
| private final List<NavBarButtonProvider> mPlugins = new ArrayList<>(); |
| |
| protected LayoutInflater mLayoutInflater; |
| protected LayoutInflater mLandscapeInflater; |
| |
| protected FrameLayout mRot0; |
| protected FrameLayout mRot90; |
| private boolean isRot0Landscape; |
| |
| private SparseArray<ButtonDispatcher> mButtonDispatchers; |
| private String mCurrentLayout; |
| |
| private View mLastPortrait; |
| private View mLastLandscape; |
| |
| private boolean mAlternativeOrder; |
| |
| public NavigationBarInflaterView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| createInflaters(); |
| Display display = ((WindowManager) |
| context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay(); |
| Mode displayMode = display.getMode(); |
| isRot0Landscape = displayMode.getPhysicalWidth() > displayMode.getPhysicalHeight(); |
| } |
| |
| 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 onFinishInflate() { |
| super.onFinishInflate(); |
| inflateChildren(); |
| clearViews(); |
| inflateLayout(getDefaultLayout()); |
| } |
| |
| private void inflateChildren() { |
| removeAllViews(); |
| mRot0 = (FrameLayout) mLayoutInflater.inflate(R.layout.navigation_layout, this, false); |
| mRot0.setId(R.id.rot0); |
| addView(mRot0); |
| mRot90 = (FrameLayout) mLayoutInflater.inflate(R.layout.navigation_layout_rot90, this, |
| false); |
| mRot90.setId(R.id.rot90); |
| addView(mRot90); |
| updateAlternativeOrder(); |
| if (getParent() instanceof NavigationBarView) { |
| ((NavigationBarView) getParent()).updateRotatedViews(); |
| } |
| } |
| |
| protected String getDefaultLayout() { |
| return mContext.getString(R.string.config_navBarLayout); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| Dependency.get(TunerService.class).addTunable(this, NAV_BAR_VIEWS, NAV_BAR_LEFT, |
| NAV_BAR_RIGHT); |
| Dependency.get(PluginManager.class).addPluginListener(this, |
| NavBarButtonProvider.class, true /* Allow multiple */); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| Dependency.get(TunerService.class).removeTunable(this); |
| Dependency.get(PluginManager.class).removePluginListener(this); |
| super.onDetachedFromWindow(); |
| } |
| |
| @Override |
| public void onTuningChanged(String key, String newValue) { |
| if (NAV_BAR_VIEWS.equals(key)) { |
| if (!Objects.equals(mCurrentLayout, newValue)) { |
| clearViews(); |
| inflateLayout(newValue); |
| } |
| } else if (NAV_BAR_LEFT.equals(key) || NAV_BAR_RIGHT.equals(key)) { |
| clearViews(); |
| inflateLayout(mCurrentLayout); |
| } |
| } |
| |
| public void setButtonDispatchers(SparseArray<ButtonDispatcher> buttonDisatchers) { |
| mButtonDispatchers = buttonDisatchers; |
| for (int i = 0; i < buttonDisatchers.size(); i++) { |
| initiallyFill(buttonDisatchers.valueAt(i)); |
| } |
| } |
| |
| public void setAlternativeOrder(boolean alternativeOrder) { |
| if (alternativeOrder != mAlternativeOrder) { |
| mAlternativeOrder = alternativeOrder; |
| updateAlternativeOrder(); |
| } |
| } |
| |
| private void updateAlternativeOrder() { |
| updateAlternativeOrder(mRot0.findViewById(R.id.ends_group)); |
| updateAlternativeOrder(mRot0.findViewById(R.id.center_group)); |
| updateAlternativeOrder(mRot90.findViewById(R.id.ends_group)); |
| updateAlternativeOrder(mRot90.findViewById(R.id.center_group)); |
| } |
| |
| private void updateAlternativeOrder(View v) { |
| if (v instanceof ReverseLinearLayout) { |
| ((ReverseLinearLayout) v).setAlternativeOrder(mAlternativeOrder); |
| } |
| } |
| |
| 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; |
| if (newLayout == null) { |
| newLayout = getDefaultLayout(); |
| } |
| 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); |
| // Inflate these in start to end order or accessibility traversal will be messed up. |
| inflateButtons(start, (ViewGroup) mRot0.findViewById(R.id.ends_group), isRot0Landscape); |
| inflateButtons(start, (ViewGroup) mRot90.findViewById(R.id.ends_group), !isRot0Landscape); |
| |
| inflateButtons(center, (ViewGroup) mRot0.findViewById(R.id.center_group), isRot0Landscape); |
| inflateButtons(center, (ViewGroup) mRot90.findViewById(R.id.center_group), !isRot0Landscape); |
| |
| 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), isRot0Landscape); |
| inflateButtons(end, (ViewGroup) mRot90.findViewById(R.id.ends_group), !isRot0Landscape); |
| } |
| |
| 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); |
| View v = createView(buttonSpec, parent, inflater, landscape); |
| if (v == null) return null; |
| |
| if (size != 0) { |
| ViewGroup.LayoutParams params = v.getLayoutParams(); |
| params.width = (int) (params.width * size); |
| } |
| parent.addView(v); |
| addToDispatchers(v); |
| View lastView = landscape ? mLastLandscape : mLastPortrait; |
| if (lastView != null) { |
| v.setAccessibilityTraversalAfter(lastView.getId()); |
| } |
| if (landscape) { |
| mLastLandscape = v; |
| } else { |
| mLastPortrait = v; |
| } |
| return v; |
| } |
| |
| private View createView(String buttonSpec, ViewGroup parent, LayoutInflater inflater, |
| boolean landscape) { |
| View v = null; |
| String button = extractButton(buttonSpec); |
| if (LEFT.equals(button)) { |
| buttonSpec = Dependency.get(TunerService.class).getValue(NAV_BAR_LEFT, NAVSPACE); |
| button = extractButton(buttonSpec); |
| } else if (RIGHT.equals(button)) { |
| buttonSpec = Dependency.get(TunerService.class).getValue(NAV_BAR_RIGHT, MENU_IME); |
| button = extractButton(buttonSpec); |
| } |
| // Let plugins go first so they can override a standard view if they want. |
| for (NavBarButtonProvider provider : mPlugins) { |
| v = provider.createView(buttonSpec, parent); |
| if (v != null) return v; |
| } |
| if (HOME.equals(button)) { |
| v = inflater.inflate(R.layout.home, parent, false); |
| } else if (BACK.equals(button)) { |
| v = inflater.inflate(R.layout.back, parent, false); |
| } else if (RECENT.equals(button)) { |
| v = inflater.inflate(R.layout.recent_apps, parent, false); |
| } 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) { |
| if (uri.contains(":")) { |
| ((KeyButtonView) v).loadAsync(Icon.createWithContentUri(uri)); |
| } else if (uri.contains("/")) { |
| int index = uri.indexOf('/'); |
| String pkg = uri.substring(0, index); |
| int id = Integer.parseInt(uri.substring(index + 1)); |
| ((KeyButtonView) v).loadAsync(Icon.createWithResource(pkg, id)); |
| } |
| } |
| } |
| 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); |
| } else if (v instanceof ViewGroup) { |
| final ViewGroup viewGroup = (ViewGroup)v; |
| final int N = viewGroup.getChildCount(); |
| for (int i = 0; i < N; i++) { |
| addToDispatchers(viewGroup.getChildAt(i)); |
| } |
| } |
| } |
| } |
| |
| |
| |
| 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(); |
| } |
| } |
| |
| @Override |
| public void onPluginConnected(NavBarButtonProvider plugin, Context context) { |
| mPlugins.add(plugin); |
| clearViews(); |
| inflateLayout(mCurrentLayout); |
| } |
| |
| @Override |
| public void onPluginDisconnected(NavBarButtonProvider plugin) { |
| mPlugins.remove(plugin); |
| clearViews(); |
| inflateLayout(mCurrentLayout); |
| } |
| } |