| /* |
| * Copyright (C) 2017 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.server.wm; |
| |
| import static android.app.WindowConfiguration.ACTIVITY_TYPE_ASSISTANT; |
| import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME; |
| import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS; |
| import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD; |
| import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED; |
| import static android.app.WindowConfiguration.activityTypeToString; |
| import static android.app.WindowConfiguration.windowingModeToString; |
| |
| import static com.android.server.wm.ConfigurationContainerProto.FULL_CONFIGURATION; |
| import static com.android.server.wm.ConfigurationContainerProto.MERGED_OVERRIDE_CONFIGURATION; |
| import static com.android.server.wm.ConfigurationContainerProto.OVERRIDE_CONFIGURATION; |
| |
| import android.annotation.CallSuper; |
| import android.app.WindowConfiguration; |
| import android.content.res.Configuration; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.util.proto.ProtoOutputStream; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| |
| /** |
| * Contains common logic for classes that have override configurations and are organized in a |
| * hierarchy. |
| */ |
| public abstract class ConfigurationContainer<E extends ConfigurationContainer> { |
| /** |
| * {@link #Rect} returned from {@link #getRequestedOverrideBounds()} to prevent original value |
| * from being set directly. |
| */ |
| private Rect mReturnBounds = new Rect(); |
| |
| /** |
| * Contains requested override configuration settings applied to this configuration container. |
| */ |
| private Configuration mRequestedOverrideConfiguration = new Configuration(); |
| |
| /** |
| * Contains the requested override configuration with parent and policy constraints applied. |
| * This is the set of overrides that gets applied to the full and merged configurations. |
| */ |
| private Configuration mResolvedOverrideConfiguration = new Configuration(); |
| |
| /** True if mRequestedOverrideConfiguration is not empty */ |
| private boolean mHasOverrideConfiguration; |
| |
| /** |
| * Contains full configuration applied to this configuration container. Corresponds to full |
| * parent's config with applied {@link #mResolvedOverrideConfiguration}. |
| */ |
| private Configuration mFullConfiguration = new Configuration(); |
| |
| /** |
| * Contains merged override configuration settings from the top of the hierarchy down to this |
| * particular instance. It is different from {@link #mFullConfiguration} because it starts from |
| * topmost container's override config instead of global config. |
| */ |
| private Configuration mMergedOverrideConfiguration = new Configuration(); |
| |
| private ArrayList<ConfigurationContainerListener> mChangeListeners = new ArrayList<>(); |
| |
| // TODO: Can't have ag/2592611 soon enough! |
| private final Configuration mTmpConfig = new Configuration(); |
| |
| // Used for setting bounds |
| private final Rect mTmpRect = new Rect(); |
| |
| static final int BOUNDS_CHANGE_NONE = 0; |
| // Return value from {@link setBounds} indicating the position of the override bounds changed. |
| static final int BOUNDS_CHANGE_POSITION = 1; |
| // Return value from {@link setBounds} indicating the size of the override bounds changed. |
| static final int BOUNDS_CHANGE_SIZE = 1 << 1; |
| |
| |
| /** |
| * Returns full configuration applied to this configuration container. |
| * This method should be used for getting settings applied in each particular level of the |
| * hierarchy. |
| */ |
| public Configuration getConfiguration() { |
| return mFullConfiguration; |
| } |
| |
| /** |
| * Notify that parent config changed and we need to update full configuration. |
| * @see #mFullConfiguration |
| */ |
| public void onConfigurationChanged(Configuration newParentConfig) { |
| mTmpConfig.setTo(mResolvedOverrideConfiguration); |
| resolveOverrideConfiguration(newParentConfig); |
| mFullConfiguration.setTo(newParentConfig); |
| mFullConfiguration.updateFrom(mResolvedOverrideConfiguration); |
| if (!mTmpConfig.equals(mResolvedOverrideConfiguration)) { |
| onMergedOverrideConfigurationChanged(); |
| // This depends on the assumption that change-listeners don't do |
| // their own override resolution. This way, dependent hierarchies |
| // can stay properly synced-up with a primary hierarchy's constraints. |
| // Since the hierarchies will be merged, this whole thing will go away |
| // before the assumption will be broken. |
| // Inform listeners of the change. |
| for (int i = mChangeListeners.size() - 1; i >= 0; --i) { |
| mChangeListeners.get(i).onRequestedOverrideConfigurationChanged( |
| mResolvedOverrideConfiguration); |
| } |
| } |
| for (int i = getChildCount() - 1; i >= 0; --i) { |
| final ConfigurationContainer child = getChildAt(i); |
| child.onConfigurationChanged(mFullConfiguration); |
| } |
| } |
| |
| /** |
| * Resolves the current requested override configuration into |
| * {@link #mResolvedOverrideConfiguration} |
| * |
| * @param newParentConfig The new parent configuration to resolve overrides against. |
| */ |
| void resolveOverrideConfiguration(Configuration newParentConfig) { |
| mResolvedOverrideConfiguration.setTo(mRequestedOverrideConfiguration); |
| } |
| |
| /** Returns requested override configuration applied to this configuration container. */ |
| public Configuration getRequestedOverrideConfiguration() { |
| return mRequestedOverrideConfiguration; |
| } |
| |
| /** Returns the resolved override configuration. */ |
| Configuration getResolvedOverrideConfiguration() { |
| return mResolvedOverrideConfiguration; |
| } |
| |
| /** |
| * Update override configuration and recalculate full config. |
| * @see #mRequestedOverrideConfiguration |
| * @see #mFullConfiguration |
| */ |
| public void onRequestedOverrideConfigurationChanged(Configuration overrideConfiguration) { |
| // Pre-compute this here, so we don't need to go through the entire Configuration when |
| // writing to proto (which has significant cost if we write a lot of empty configurations). |
| mHasOverrideConfiguration = !Configuration.EMPTY.equals(overrideConfiguration); |
| mRequestedOverrideConfiguration.setTo(overrideConfiguration); |
| // Update full configuration of this container and all its children. |
| final ConfigurationContainer parent = getParent(); |
| onConfigurationChanged(parent != null ? parent.getConfiguration() : Configuration.EMPTY); |
| } |
| |
| /** |
| * Get merged override configuration from the top of the hierarchy down to this particular |
| * instance. This should be reported to client as override config. |
| */ |
| public Configuration getMergedOverrideConfiguration() { |
| return mMergedOverrideConfiguration; |
| } |
| |
| /** |
| * Update merged override configuration based on corresponding parent's config and notify all |
| * its children. If there is no parent, merged override configuration will set equal to current |
| * override config. |
| * @see #mMergedOverrideConfiguration |
| */ |
| void onMergedOverrideConfigurationChanged() { |
| final ConfigurationContainer parent = getParent(); |
| if (parent != null) { |
| mMergedOverrideConfiguration.setTo(parent.getMergedOverrideConfiguration()); |
| mMergedOverrideConfiguration.updateFrom(mResolvedOverrideConfiguration); |
| } else { |
| mMergedOverrideConfiguration.setTo(mResolvedOverrideConfiguration); |
| } |
| for (int i = getChildCount() - 1; i >= 0; --i) { |
| final ConfigurationContainer child = getChildAt(i); |
| child.onMergedOverrideConfigurationChanged(); |
| } |
| } |
| |
| /** |
| * Indicates whether this container has not requested any bounds different from its parent. In |
| * this case, it will inherit the bounds of the first ancestor which specifies a bounds subject |
| * to policy constraints. |
| * |
| * @return {@code true} if no explicit bounds have been requested at this container level. |
| * {@code false} otherwise. |
| */ |
| public boolean matchParentBounds() { |
| return getRequestedOverrideBounds().isEmpty(); |
| } |
| |
| /** |
| * Returns whether the bounds specified are considered the same as the existing requested |
| * override bounds. This is either when the two bounds are equal or the requested override |
| * bounds are empty and the specified bounds is null. |
| * |
| * @return {@code true} if the bounds are equivalent, {@code false} otherwise |
| */ |
| public boolean equivalentRequestedOverrideBounds(Rect bounds) { |
| return equivalentBounds(getRequestedOverrideBounds(), bounds); |
| } |
| |
| /** |
| * Returns whether the two bounds are equal to each other or are a combination of null or empty. |
| */ |
| public static boolean equivalentBounds(Rect bounds, Rect other) { |
| return bounds == other |
| || (bounds != null && (bounds.equals(other) || (bounds.isEmpty() && other == null))) |
| || (other != null && other.isEmpty() && bounds == null); |
| } |
| |
| /** |
| * Returns the effective bounds of this container, inheriting the first non-empty bounds set in |
| * its ancestral hierarchy, including itself. |
| * @return |
| */ |
| public Rect getBounds() { |
| mReturnBounds.set(getConfiguration().windowConfiguration.getBounds()); |
| return mReturnBounds; |
| } |
| |
| public void getBounds(Rect outBounds) { |
| outBounds.set(getBounds()); |
| } |
| |
| /** |
| * Sets {@code out} to the top-left corner of the bounds as returned by {@link #getBounds()}. |
| */ |
| public void getPosition(Point out) { |
| Rect bounds = getBounds(); |
| out.set(bounds.left, bounds.top); |
| } |
| |
| /** |
| * Returns the bounds requested on this container. These may not be the actual bounds the |
| * container ends up with due to policy constraints. The {@link Rect} handed back is |
| * shared for all calls to this method and should not be modified. |
| */ |
| public Rect getRequestedOverrideBounds() { |
| mReturnBounds.set(getRequestedOverrideConfiguration().windowConfiguration.getBounds()); |
| |
| return mReturnBounds; |
| } |
| |
| /** |
| * Returns {@code true} if the {@link WindowConfiguration} in the requested override |
| * {@link Configuration} specifies bounds. |
| */ |
| public boolean hasOverrideBounds() { |
| return !getRequestedOverrideBounds().isEmpty(); |
| } |
| |
| /** |
| * Sets the passed in {@link Rect} to the current bounds. |
| * @see {@link #getRequestedOverrideBounds()}. |
| */ |
| public void getRequestedOverrideBounds(Rect outBounds) { |
| outBounds.set(getRequestedOverrideBounds()); |
| } |
| |
| /** |
| * Sets the bounds at the current hierarchy level, overriding any bounds set on an ancestor. |
| * This value will be reported when {@link #getBounds()} and |
| * {@link #getRequestedOverrideBounds()}. If |
| * an empty {@link Rect} or null is specified, this container will be considered to match its |
| * parent bounds {@see #matchParentBounds} and will inherit bounds from its parent. |
| * @param bounds The bounds defining the container size. |
| * @return a bitmask representing the types of changes made to the bounds. |
| */ |
| public int setBounds(Rect bounds) { |
| int boundsChange = diffRequestedOverrideBounds(bounds); |
| |
| if (boundsChange == BOUNDS_CHANGE_NONE) { |
| return boundsChange; |
| } |
| |
| |
| mTmpConfig.setTo(getRequestedOverrideConfiguration()); |
| mTmpConfig.windowConfiguration.setBounds(bounds); |
| onRequestedOverrideConfigurationChanged(mTmpConfig); |
| |
| return boundsChange; |
| } |
| |
| public int setBounds(int left, int top, int right, int bottom) { |
| mTmpRect.set(left, top, right, bottom); |
| return setBounds(mTmpRect); |
| } |
| |
| int diffRequestedOverrideBounds(Rect bounds) { |
| if (equivalentRequestedOverrideBounds(bounds)) { |
| return BOUNDS_CHANGE_NONE; |
| } |
| |
| int boundsChange = BOUNDS_CHANGE_NONE; |
| |
| final Rect existingBounds = getRequestedOverrideBounds(); |
| |
| if (bounds == null || existingBounds.left != bounds.left |
| || existingBounds.top != bounds.top) { |
| boundsChange |= BOUNDS_CHANGE_POSITION; |
| } |
| |
| if (bounds == null || existingBounds.width() != bounds.width() |
| || existingBounds.height() != bounds.height()) { |
| boundsChange |= BOUNDS_CHANGE_SIZE; |
| } |
| |
| return boundsChange; |
| } |
| |
| boolean hasOverrideConfiguration() { |
| return mHasOverrideConfiguration; |
| } |
| |
| public WindowConfiguration getWindowConfiguration() { |
| return mFullConfiguration.windowConfiguration; |
| } |
| |
| /** Returns the windowing mode the configuration container is currently in. */ |
| public int getWindowingMode() { |
| return mFullConfiguration.windowConfiguration.getWindowingMode(); |
| } |
| |
| /** Returns the windowing mode override that is requested by this container. */ |
| public int getRequestedOverrideWindowingMode() { |
| return mRequestedOverrideConfiguration.windowConfiguration.getWindowingMode(); |
| } |
| |
| /** Sets the requested windowing mode override for the configuration container. */ |
| public void setWindowingMode(/*@WindowConfiguration.WindowingMode*/ int windowingMode) { |
| mTmpConfig.setTo(getRequestedOverrideConfiguration()); |
| mTmpConfig.windowConfiguration.setWindowingMode(windowingMode); |
| onRequestedOverrideConfigurationChanged(mTmpConfig); |
| } |
| |
| /** Sets the always on top flag for this configuration container. |
| * When you call this function, make sure that the following functions are called as well to |
| * keep proper z-order. |
| * - {@Link DisplayContent#positionStackAt(POSITION_TOP, TaskStack)}; |
| * - {@Link ActivityDisplay#positionChildAtTop(ActivityStack)}; |
| * */ |
| public void setAlwaysOnTop(boolean alwaysOnTop) { |
| mTmpConfig.setTo(getRequestedOverrideConfiguration()); |
| mTmpConfig.windowConfiguration.setAlwaysOnTop(alwaysOnTop); |
| onRequestedOverrideConfigurationChanged(mTmpConfig); |
| } |
| |
| /** Sets the windowing mode for the configuration container. */ |
| void setDisplayWindowingMode(int windowingMode) { |
| mTmpConfig.setTo(getRequestedOverrideConfiguration()); |
| mTmpConfig.windowConfiguration.setDisplayWindowingMode(windowingMode); |
| onRequestedOverrideConfigurationChanged(mTmpConfig); |
| } |
| |
| /** |
| * Returns true if this container is currently in multi-window mode. I.e. sharing the screen |
| * with another activity. |
| */ |
| public boolean inMultiWindowMode() { |
| /*@WindowConfiguration.WindowingMode*/ int windowingMode = |
| mFullConfiguration.windowConfiguration.getWindowingMode(); |
| return windowingMode != WINDOWING_MODE_FULLSCREEN |
| && windowingMode != WINDOWING_MODE_UNDEFINED; |
| } |
| |
| /** Returns true if this container is currently in split-screen windowing mode. */ |
| public boolean inSplitScreenWindowingMode() { |
| /*@WindowConfiguration.WindowingMode*/ int windowingMode = |
| mFullConfiguration.windowConfiguration.getWindowingMode(); |
| |
| return windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY |
| || windowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY; |
| } |
| |
| /** Returns true if this container is currently in split-screen secondary windowing mode. */ |
| public boolean inSplitScreenSecondaryWindowingMode() { |
| /*@WindowConfiguration.WindowingMode*/ int windowingMode = |
| mFullConfiguration.windowConfiguration.getWindowingMode(); |
| |
| return windowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY; |
| } |
| |
| public boolean inSplitScreenPrimaryWindowingMode() { |
| return mFullConfiguration.windowConfiguration.getWindowingMode() |
| == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY; |
| } |
| |
| /** |
| * Returns true if this container can be put in either |
| * {@link WindowConfiguration#WINDOWING_MODE_SPLIT_SCREEN_PRIMARY} or |
| * {@link WindowConfiguration##WINDOWING_MODE_SPLIT_SCREEN_SECONDARY} windowing modes based on |
| * its current state. |
| */ |
| public boolean supportsSplitScreenWindowingMode() { |
| return mFullConfiguration.windowConfiguration.supportSplitScreenWindowingMode(); |
| } |
| |
| public boolean inPinnedWindowingMode() { |
| return mFullConfiguration.windowConfiguration.getWindowingMode() == WINDOWING_MODE_PINNED; |
| } |
| |
| public boolean inFreeformWindowingMode() { |
| return mFullConfiguration.windowConfiguration.getWindowingMode() == WINDOWING_MODE_FREEFORM; |
| } |
| |
| /** Returns the activity type associated with the the configuration container. */ |
| /*@WindowConfiguration.ActivityType*/ |
| public int getActivityType() { |
| return mFullConfiguration.windowConfiguration.getActivityType(); |
| } |
| |
| /** Sets the activity type to associate with the configuration container. */ |
| public void setActivityType(/*@WindowConfiguration.ActivityType*/ int activityType) { |
| int currentActivityType = getActivityType(); |
| if (currentActivityType == activityType) { |
| return; |
| } |
| if (currentActivityType != ACTIVITY_TYPE_UNDEFINED) { |
| throw new IllegalStateException("Can't change activity type once set: " + this |
| + " activityType=" + activityTypeToString(activityType)); |
| } |
| mTmpConfig.setTo(getRequestedOverrideConfiguration()); |
| mTmpConfig.windowConfiguration.setActivityType(activityType); |
| onRequestedOverrideConfigurationChanged(mTmpConfig); |
| } |
| |
| public boolean isActivityTypeHome() { |
| return getActivityType() == ACTIVITY_TYPE_HOME; |
| } |
| |
| public boolean isActivityTypeRecents() { |
| return getActivityType() == ACTIVITY_TYPE_RECENTS; |
| } |
| |
| public boolean isActivityTypeAssistant() { |
| return getActivityType() == ACTIVITY_TYPE_ASSISTANT; |
| } |
| |
| public boolean isActivityTypeStandard() { |
| return getActivityType() == ACTIVITY_TYPE_STANDARD; |
| } |
| |
| public boolean isActivityTypeStandardOrUndefined() { |
| /*@WindowConfiguration.ActivityType*/ final int activityType = getActivityType(); |
| return activityType == ACTIVITY_TYPE_STANDARD || activityType == ACTIVITY_TYPE_UNDEFINED; |
| } |
| |
| public boolean hasCompatibleActivityType(ConfigurationContainer other) { |
| /*@WindowConfiguration.ActivityType*/ int thisType = getActivityType(); |
| /*@WindowConfiguration.ActivityType*/ int otherType = other.getActivityType(); |
| |
| if (thisType == otherType) { |
| return true; |
| } |
| if (thisType == ACTIVITY_TYPE_ASSISTANT) { |
| // Assistant activities are only compatible with themselves... |
| return false; |
| } |
| // Otherwise we are compatible if us or other is not currently defined. |
| return thisType == ACTIVITY_TYPE_UNDEFINED || otherType == ACTIVITY_TYPE_UNDEFINED; |
| } |
| |
| /** |
| * Returns true if this container is compatible with the input windowing mode and activity type. |
| * The container is compatible: |
| * - If {@param activityType} and {@param windowingMode} match this container activity type and |
| * windowing mode. |
| * - If {@param activityType} is {@link WindowConfiguration#ACTIVITY_TYPE_UNDEFINED} or |
| * {@link WindowConfiguration#ACTIVITY_TYPE_STANDARD} and this containers activity type is also |
| * standard or undefined and its windowing mode matches {@param windowingMode}. |
| * - If {@param activityType} isn't {@link WindowConfiguration#ACTIVITY_TYPE_UNDEFINED} or |
| * {@link WindowConfiguration#ACTIVITY_TYPE_STANDARD} or this containers activity type isn't |
| * also standard or undefined and its activity type matches {@param activityType} regardless of |
| * if {@param windowingMode} matches the containers windowing mode. |
| */ |
| public boolean isCompatible(int windowingMode, int activityType) { |
| final int thisActivityType = getActivityType(); |
| final int thisWindowingMode = getWindowingMode(); |
| final boolean sameActivityType = thisActivityType == activityType; |
| final boolean sameWindowingMode = thisWindowingMode == windowingMode; |
| |
| if (sameActivityType && sameWindowingMode) { |
| return true; |
| } |
| |
| if ((activityType != ACTIVITY_TYPE_UNDEFINED && activityType != ACTIVITY_TYPE_STANDARD) |
| || !isActivityTypeStandardOrUndefined()) { |
| // Only activity type need to match for non-standard activity types that are defined. |
| return sameActivityType; |
| } |
| |
| // Otherwise we are compatible if the windowing mode is the same. |
| return sameWindowingMode; |
| } |
| |
| public void registerConfigurationChangeListener(ConfigurationContainerListener listener) { |
| if (mChangeListeners.contains(listener)) { |
| return; |
| } |
| mChangeListeners.add(listener); |
| listener.onRequestedOverrideConfigurationChanged(mResolvedOverrideConfiguration); |
| } |
| |
| public void unregisterConfigurationChangeListener(ConfigurationContainerListener listener) { |
| mChangeListeners.remove(listener); |
| } |
| |
| @VisibleForTesting |
| boolean containsListener(ConfigurationContainerListener listener) { |
| return mChangeListeners.contains(listener); |
| } |
| |
| /** |
| * Must be called when new parent for the container was set. |
| */ |
| void onParentChanged() { |
| final ConfigurationContainer parent = getParent(); |
| // Removing parent usually means that we've detached this entity to destroy it or to attach |
| // to another parent. In both cases we don't need to update the configuration now. |
| if (parent != null) { |
| // Update full configuration of this container and all its children. |
| onConfigurationChanged(parent.mFullConfiguration); |
| // Update merged override configuration of this container and all its children. |
| onMergedOverrideConfigurationChanged(); |
| } |
| } |
| |
| /** |
| * Write to a protocol buffer output stream. Protocol buffer message definition is at |
| * {@link com.android.server.wm.ConfigurationContainerProto}. |
| * |
| * @param proto Stream to write the ConfigurationContainer object to. |
| * @param fieldId Field Id of the ConfigurationContainer as defined in the parent |
| * message. |
| * @param logLevel Determines the amount of data to be written to the Protobuf. |
| * @hide |
| */ |
| @CallSuper |
| protected void writeToProto(ProtoOutputStream proto, long fieldId, |
| @WindowTraceLogLevel int logLevel) { |
| // Critical log level logs only visible elements to mitigate performance overheard |
| if (logLevel != WindowTraceLogLevel.ALL && !mHasOverrideConfiguration) { |
| return; |
| } |
| |
| final long token = proto.start(fieldId); |
| mRequestedOverrideConfiguration.writeToProto(proto, OVERRIDE_CONFIGURATION, |
| logLevel != WindowTraceLogLevel.CRITICAL); |
| if (logLevel == WindowTraceLogLevel.ALL) { |
| mFullConfiguration.writeToProto(proto, FULL_CONFIGURATION, false /* critical */); |
| mMergedOverrideConfiguration.writeToProto(proto, MERGED_OVERRIDE_CONFIGURATION, |
| false /* critical */); |
| } |
| proto.end(token); |
| } |
| |
| /** |
| * Dumps the names of this container children in the input print writer indenting each |
| * level with the input prefix. |
| */ |
| public void dumpChildrenNames(PrintWriter pw, String prefix) { |
| final String childPrefix = prefix + " "; |
| pw.println(getName() |
| + " type=" + activityTypeToString(getActivityType()) |
| + " mode=" + windowingModeToString(getWindowingMode()) |
| + " override-mode=" + windowingModeToString(getRequestedOverrideWindowingMode())); |
| for (int i = getChildCount() - 1; i >= 0; --i) { |
| final E cc = getChildAt(i); |
| pw.print(childPrefix + "#" + i + " "); |
| cc.dumpChildrenNames(pw, childPrefix); |
| } |
| } |
| |
| String getName() { |
| return toString(); |
| } |
| |
| public boolean isAlwaysOnTop() { |
| return mFullConfiguration.windowConfiguration.isAlwaysOnTop(); |
| } |
| |
| abstract protected int getChildCount(); |
| |
| abstract protected E getChildAt(int index); |
| |
| abstract protected ConfigurationContainer getParent(); |
| } |