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Remove the public APIs for allow rich content.

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1. Mark @hide for "Drawable loadAnimatedImage(Context)" and "String loadHtmlDescription(PackageManager)".
2. Move common function into util.

Bug: 149516547
Bug: 142532186
Test: maunal test
Change-Id: I4f734a496938f64bcde990268e11a2d1a5be4771
This commit is contained in:
Peter_Liang
2020-02-24 22:33:04 +08:00
parent 27d8fc8f3c
commit a2f7f84938
4 changed files with 152 additions and 224 deletions
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2
api/current.txt
View File

@@ -2994,9 +2994,7 @@ package android.accessibilityservice {
method public int getNonInteractiveUiTimeoutMillis(); method public int getNonInteractiveUiTimeoutMillis();
method public android.content.pm.ResolveInfo getResolveInfo(); method public android.content.pm.ResolveInfo getResolveInfo();
method public String getSettingsActivityName(); method public String getSettingsActivityName();
method @Nullable public android.graphics.drawable.Drawable loadAnimatedImage(@NonNull android.content.Context);
method public String loadDescription(android.content.pm.PackageManager); method public String loadDescription(android.content.pm.PackageManager);
method @Nullable public String loadHtmlDescription(@NonNull android.content.pm.PackageManager);
method public CharSequence loadSummary(android.content.pm.PackageManager); method public CharSequence loadSummary(android.content.pm.PackageManager);
method public void setInteractiveUiTimeoutMillis(@IntRange(from=0) int); method public void setInteractiveUiTimeoutMillis(@IntRange(from=0) int);
method public void setNonInteractiveUiTimeoutMillis(@IntRange(from=0) int); method public void setNonInteractiveUiTimeoutMillis(@IntRange(from=0) int);

115
core/java/android/accessibilityservice/AccessibilityServiceInfo.java
View File

@@ -16,19 +16,19 @@
package android.accessibilityservice; package android.accessibilityservice;
import static android.accessibilityservice.util.AccessibilityUtils.getFilteredHtmlText;
import static android.accessibilityservice.util.AccessibilityUtils.loadSafeAnimatedImage;
import static android.content.pm.PackageManager.FEATURE_FINGERPRINT; import static android.content.pm.PackageManager.FEATURE_FINGERPRINT;
import android.annotation.IntDef; import android.annotation.IntDef;
import android.annotation.IntRange; import android.annotation.IntRange;
import android.annotation.NonNull; import android.annotation.NonNull;
import android.annotation.Nullable; import android.annotation.Nullable;
import android.annotation.StringRes;
import android.compat.annotation.ChangeId; import android.compat.annotation.ChangeId;
import android.compat.annotation.EnabledAfter; import android.compat.annotation.EnabledAfter;
import android.compat.annotation.UnsupportedAppUsage; import android.compat.annotation.UnsupportedAppUsage;
import android.content.ComponentName; import android.content.ComponentName;
import android.content.Context; import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager; import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException; import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo; import android.content.pm.ResolveInfo;
@@ -62,7 +62,6 @@ import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Collections; import java.util.Collections;
import java.util.List; import java.util.List;
import java.util.regex.Pattern;
/** /**
* This class describes an {@link AccessibilityService}. The system notifies an * This class describes an {@link AccessibilityService}. The system notifies an
@@ -554,13 +553,6 @@ public class AccessibilityServiceInfo implements Parcelable {
*/ */
private int mHtmlDescriptionRes; private int mHtmlDescriptionRes;
// Used for html description of accessibility service. The <img> src tag must follow the
// prefix rule. e.g. <img src="R.drawable.fileName"/>
private static final String IMG_PREFIX = "R.drawable.";
private static final String ANCHOR_TAG = "a";
private static final List<String> UNSUPPORTED_TAG_LIST = new ArrayList<>(
Collections.singletonList(ANCHOR_TAG));
/** /**
* Creates a new instance. * Creates a new instance.
*/ */
@@ -810,6 +802,8 @@ public class AccessibilityServiceInfo implements Parcelable {
* </p> * </p>
* @return The animated image drawable, or null if the resource is invalid or the image * @return The animated image drawable, or null if the resource is invalid or the image
* exceed the screen size. * exceed the screen size.
*
* @hide
*/ */
@Nullable @Nullable
public Drawable loadAnimatedImage(@NonNull Context context) { public Drawable loadAnimatedImage(@NonNull Context context) {
@@ -937,6 +931,8 @@ public class AccessibilityServiceInfo implements Parcelable {
* {@link AccessibilityService#SERVICE_META_DATA meta-data}.</strong> * {@link AccessibilityService#SERVICE_META_DATA meta-data}.</strong>
* </p> * </p>
* @return The localized and restricted html description. * @return The localized and restricted html description.
*
* @hide
*/ */
@Nullable @Nullable
public String loadHtmlDescription(@NonNull PackageManager packageManager) { public String loadHtmlDescription(@NonNull PackageManager packageManager) {
@@ -1421,103 +1417,4 @@ public class AccessibilityServiceInfo implements Parcelable {
return new AccessibilityServiceInfo[size]; return new AccessibilityServiceInfo[size];
} }
}; };
/**
* Gets the filtered html string for
* {@link android.accessibilityservice.AccessibilityServiceInfo} and
* {@link android.accessibilityservice.AccessibilityShortcutInfo}. It filters
* the <img> tag which do not meet the custom specification and the <a> tag.
*
* @param text the target text is html format.
* @return the filtered html string.
*
* @hide
*/
public static @NonNull String getFilteredHtmlText(@NonNull String text) {
final String replacementStart = "<invalidtag ";
final String replacementEnd = "</invalidtag>";
for (String tag : UNSUPPORTED_TAG_LIST) {
final String regexStart = "(?i)<" + tag + "(\\s+|>)";
final String regexEnd = "(?i)</" + tag + "\\s*>";
text = Pattern.compile(regexStart).matcher(text).replaceAll(replacementStart);
text = Pattern.compile(regexEnd).matcher(text).replaceAll(replacementEnd);
}
final String regexInvalidImgTag = "(?i)<img\\s+(?!src\\s*=\\s*\"(?-i)" + IMG_PREFIX + ")";
text = Pattern.compile(regexInvalidImgTag).matcher(text).replaceAll(
replacementStart);
return text;
}
/**
* Loads the animated image for
* {@link android.accessibilityservice.AccessibilityServiceInfo} and
* {@link android.accessibilityservice.AccessibilityShortcutInfo}. It checks the resource
* whether to exceed the screen size.
*
* @param context the current context.
* @param applicationInfo the current application.
* @param resId the animated image resource id.
* @return the animated image which is safe.
*
* @hide
*/
@Nullable
public static Drawable loadSafeAnimatedImage(@NonNull Context context,
@NonNull ApplicationInfo applicationInfo, @StringRes int resId) {
if (resId == /* invalid */ 0) {
return null;
}
final PackageManager packageManager = context.getPackageManager();
final String packageName = applicationInfo.packageName;
final Drawable bannerDrawable = packageManager.getDrawable(packageName, resId,
applicationInfo);
if (bannerDrawable == null) {
return null;
}
final boolean isImageWidthOverScreenLength =
bannerDrawable.getIntrinsicWidth() > getScreenWidthPixels(context);
final boolean isImageHeightOverScreenLength =
bannerDrawable.getIntrinsicHeight() > getScreenHeightPixels(context);
return (isImageWidthOverScreenLength || isImageHeightOverScreenLength)
? null
: bannerDrawable;
}
/**
* Gets the width of the screen.
*
* @param context the current context.
* @return the width of the screen in term of pixels.
*
* @hide
*/
private static int getScreenWidthPixels(@NonNull Context context) {
final Resources resources = context.getResources();
final int screenWidthDp = resources.getConfiguration().screenWidthDp;
return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, screenWidthDp,
resources.getDisplayMetrics()));
}
/**
* Gets the height of the screen.
*
* @param context the current context.
* @return the height of the screen in term of pixels.
*
* @hide
*/
private static int getScreenHeightPixels(@NonNull Context context) {
final Resources resources = context.getResources();
final int screenHeightDp = resources.getConfiguration().screenHeightDp;
return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, screenHeightDp,
resources.getDisplayMetrics()));
}
} }

120
core/java/android/accessibilityservice/AccessibilityShortcutInfo.java
View File

@@ -16,14 +16,15 @@
package android.accessibilityservice; package android.accessibilityservice;
import static android.accessibilityservice.util.AccessibilityUtils.getFilteredHtmlText;
import static android.accessibilityservice.util.AccessibilityUtils.loadSafeAnimatedImage;
import android.annotation.NonNull; import android.annotation.NonNull;
import android.annotation.Nullable; import android.annotation.Nullable;
import android.annotation.StringRes;
import android.content.ComponentName; import android.content.ComponentName;
import android.content.Context; import android.content.Context;
import android.content.Intent; import android.content.Intent;
import android.content.pm.ActivityInfo; import android.content.pm.ActivityInfo;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager; import android.content.pm.PackageManager;
import android.content.res.Resources; import android.content.res.Resources;
import android.content.res.TypedArray; import android.content.res.TypedArray;
@@ -31,17 +32,12 @@ import android.content.res.XmlResourceParser;
import android.graphics.drawable.Drawable; import android.graphics.drawable.Drawable;
import android.text.TextUtils; import android.text.TextUtils;
import android.util.AttributeSet; import android.util.AttributeSet;
import android.util.TypedValue;
import android.util.Xml; import android.util.Xml;
import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException; import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException; import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.regex.Pattern;
/** /**
* Activities of interest to users with accessibility needs may request to be targets of the * Activities of interest to users with accessibility needs may request to be targets of the
@@ -94,13 +90,6 @@ public final class AccessibilityShortcutInfo {
*/ */
private final int mHtmlDescriptionRes; private final int mHtmlDescriptionRes;
// Used for html description of accessibility service. The <img> src tag must follow the
// prefix rule. e.g. <img src="R.drawable.fileName"/>
private static final String IMG_PREFIX = "R.drawable.";
private static final String ANCHOR_TAG = "a";
private static final List<String> UNSUPPORTED_TAG_LIST = new ArrayList<>(
Collections.singletonList(ANCHOR_TAG));
/** /**
* Creates a new instance. * Creates a new instance.
* *
@@ -221,6 +210,8 @@ public final class AccessibilityShortcutInfo {
* *
* @return The animated image drawable, or null if the resource is invalid or the image * @return The animated image drawable, or null if the resource is invalid or the image
* exceed the screen size. * exceed the screen size.
*
* @hide
*/ */
@Nullable @Nullable
public Drawable loadAnimatedImage(@NonNull Context context) { public Drawable loadAnimatedImage(@NonNull Context context) {
@@ -236,6 +227,8 @@ public final class AccessibilityShortcutInfo {
* It filters the <img> tag which do not meet the custom specification and the <a> tag. * It filters the <img> tag which do not meet the custom specification and the <a> tag.
* *
* @return The localized and restricted html description. * @return The localized and restricted html description.
*
* @hide
*/ */
@Nullable @Nullable
public String loadHtmlDescription(@NonNull PackageManager packageManager) { public String loadHtmlDescription(@NonNull PackageManager packageManager) {
@@ -305,103 +298,4 @@ public final class AccessibilityShortcutInfo {
stringBuilder.append("]"); stringBuilder.append("]");
return stringBuilder.toString(); return stringBuilder.toString();
} }
/**
* Gets the filtered html string for
* {@link android.accessibilityservice.AccessibilityServiceInfo} and
* {@link android.accessibilityservice.AccessibilityShortcutInfo}. It filters
* the <img> tag which do not meet the custom specification and the <a> tag.
*
* @param text the target text is html format.
* @return the filtered html string.
*
* @hide
*/
public static @NonNull String getFilteredHtmlText(@NonNull String text) {
final String replacementStart = "<invalidtag ";
final String replacementEnd = "</invalidtag>";
for (String tag : UNSUPPORTED_TAG_LIST) {
final String regexStart = "(?i)<" + tag + "(\\s+|>)";
final String regexEnd = "(?i)</" + tag + "\\s*>";
text = Pattern.compile(regexStart).matcher(text).replaceAll(replacementStart);
text = Pattern.compile(regexEnd).matcher(text).replaceAll(replacementEnd);
}
final String regexInvalidImgTag = "(?i)<img\\s+(?!src\\s*=\\s*\"(?-i)" + IMG_PREFIX + ")";
text = Pattern.compile(regexInvalidImgTag).matcher(text).replaceAll(
replacementStart);
return text;
}
/**
* Loads the animated image for
* {@link android.accessibilityservice.AccessibilityServiceInfo} and
* {@link android.accessibilityservice.AccessibilityShortcutInfo}. It checks the resource
* whether to exceed the screen size.
*
* @param context the current context.
* @param applicationInfo the current application.
* @param resId the animated image resource id.
* @return the animated image which is safe.
*
* @hide
*/
@Nullable
public static Drawable loadSafeAnimatedImage(@NonNull Context context,
@NonNull ApplicationInfo applicationInfo, @StringRes int resId) {
if (resId == /* invalid */ 0) {
return null;
}
final PackageManager packageManager = context.getPackageManager();
final String packageName = applicationInfo.packageName;
final Drawable bannerDrawable = packageManager.getDrawable(packageName, resId,
applicationInfo);
if (bannerDrawable == null) {
return null;
}
final boolean isImageWidthOverScreenLength =
bannerDrawable.getIntrinsicWidth() > getScreenWidthPixels(context);
final boolean isImageHeightOverScreenLength =
bannerDrawable.getIntrinsicHeight() > getScreenHeightPixels(context);
return (isImageWidthOverScreenLength || isImageHeightOverScreenLength)
? null
: bannerDrawable;
}
/**
* Gets the width of the screen.
*
* @param context the current context.
* @return the width of the screen in term of pixels.
*
* @hide
*/
private static int getScreenWidthPixels(@NonNull Context context) {
final Resources resources = context.getResources();
final int screenWidthDp = resources.getConfiguration().screenWidthDp;
return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, screenWidthDp,
resources.getDisplayMetrics()));
}
/**
* Gets the height of the screen.
*
* @param context the current context.
* @return the height of the screen in term of pixels.
*
* @hide
*/
private static int getScreenHeightPixels(@NonNull Context context) {
final Resources resources = context.getResources();
final int screenHeightDp = resources.getConfiguration().screenHeightDp;
return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, screenHeightDp,
resources.getDisplayMetrics()));
}
} }

139
core/java/android/accessibilityservice/util/AccessibilityUtils.java Normal file
View File

@@ -0,0 +1,139 @@
/*
* Copyright (C) 2020 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 android.accessibilityservice.util;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.StringRes;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.util.TypedValue;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.regex.Pattern;
/**
* Collection of utilities for accessibility service.
*
* @hide
*/
public final class AccessibilityUtils {
private AccessibilityUtils() {}
// Used for html description of accessibility service. The <img> src tag must follow the
// prefix rule. e.g. <img src="R.drawable.fileName"/>
private static final String IMG_PREFIX = "R.drawable.";
private static final String ANCHOR_TAG = "a";
private static final List<String> UNSUPPORTED_TAG_LIST = new ArrayList<>(
Collections.singletonList(ANCHOR_TAG));
/**
* Gets the filtered html string for
* {@link android.accessibilityservice.AccessibilityServiceInfo} and
* {@link android.accessibilityservice.AccessibilityShortcutInfo}. It filters
* the <img> tag which do not meet the custom specification and the <a> tag.
*
* @param text the target text is html format.
* @return the filtered html string.
*/
public static @NonNull String getFilteredHtmlText(@NonNull String text) {
final String replacementStart = "<invalidtag ";
final String replacementEnd = "</invalidtag>";
for (String tag : UNSUPPORTED_TAG_LIST) {
final String regexStart = "(?i)<" + tag + "(\\s+|>)";
final String regexEnd = "(?i)</" + tag + "\\s*>";
text = Pattern.compile(regexStart).matcher(text).replaceAll(replacementStart);
text = Pattern.compile(regexEnd).matcher(text).replaceAll(replacementEnd);
}
final String regexInvalidImgTag = "(?i)<img\\s+(?!src\\s*=\\s*\"(?-i)" + IMG_PREFIX + ")";
text = Pattern.compile(regexInvalidImgTag).matcher(text).replaceAll(
replacementStart);
return text;
}
/**
* Loads the animated image for
* {@link android.accessibilityservice.AccessibilityServiceInfo} and
* {@link android.accessibilityservice.AccessibilityShortcutInfo}. It checks the resource
* whether to exceed the screen size.
*
* @param context the current context.
* @param applicationInfo the current application.
* @param resId the animated image resource id.
* @return the animated image which is safe.
*/
@Nullable
public static Drawable loadSafeAnimatedImage(@NonNull Context context,
@NonNull ApplicationInfo applicationInfo, @StringRes int resId) {
if (resId == /* invalid */ 0) {
return null;
}
final PackageManager packageManager = context.getPackageManager();
final String packageName = applicationInfo.packageName;
final Drawable bannerDrawable = packageManager.getDrawable(packageName, resId,
applicationInfo);
if (bannerDrawable == null) {
return null;
}
final boolean isImageWidthOverScreenLength =
bannerDrawable.getIntrinsicWidth() > getScreenWidthPixels(context);
final boolean isImageHeightOverScreenLength =
bannerDrawable.getIntrinsicHeight() > getScreenHeightPixels(context);
return (isImageWidthOverScreenLength || isImageHeightOverScreenLength)
? null
: bannerDrawable;
}
/**
* Gets the width of the screen.
*
* @param context the current context.
* @return the width of the screen in term of pixels.
*/
private static int getScreenWidthPixels(@NonNull Context context) {
final Resources resources = context.getResources();
final int screenWidthDp = resources.getConfiguration().screenWidthDp;
return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, screenWidthDp,
resources.getDisplayMetrics()));
}
/**
* Gets the height of the screen.
*
* @param context the current context.
* @return the height of the screen in term of pixels.
*/
private static int getScreenHeightPixels(@NonNull Context context) {
final Resources resources = context.getResources();
final int screenHeightDp = resources.getConfiguration().screenHeightDp;
return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, screenHeightDp,
resources.getDisplayMetrics()));
}
}