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/*
* Copyright (C) 2018 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.view.inputmethod;
import android.annotation.Nullable;
import android.annotation.TestApi;
import android.content.ComponentName;
import android.os.Build;
import android.os.SystemProperties;
/**
* Various (pseudo) constants about IME behaviors.
*
* @hide
*/
@TestApi
public class InputMethodSystemProperty {
/**
* System property key for the production use. The value must be either empty or a valid
* (flattened) component name of the multi-client IME.
*/
private static final String PROP_PROD_MULTI_CLIENT_IME = "ro.sys.multi_client_ime";
/**
* System property key for debugging purpose. The value must be either empty or a valid
* (flattened) component name of the multi-client IME.
*
* <p>This value will be ignored when {@link Build#IS_DEBUGGABLE} returns {@code false}</p>
*/
private static final String PROP_DEBUG_MULTI_CLIENT_IME = "persist.debug.multi_client_ime";
/**
* System property key for debugging purpose. The value must be empty, "1", or "0".
*
* <p>Values 'y', 'yes', '1', 'true' or 'on' are considered true.</p>
*
* <p>To set, run "adb root && adb shell setprop persist.debug.per_profile_ime 1".</p>
*
* <p>This value will be ignored when {@link Build#IS_DEBUGGABLE} returns {@code false}.</p>
*/
private static final String PROP_DEBUG_PER_PROFILE_IME = "persist.debug.per_profile_ime";
@Nullable
private static ComponentName getMultiClientImeComponentName() {
if (Build.IS_DEBUGGABLE) {
// If debuggable, allow developers to override the multi-client IME component name
// with a different (writable) key.
final ComponentName debugIme = ComponentName.unflattenFromString(
SystemProperties.get(PROP_DEBUG_MULTI_CLIENT_IME, ""));
if (debugIme != null) {
return debugIme;
}
}
return ComponentName.unflattenFromString(
SystemProperties.get(PROP_PROD_MULTI_CLIENT_IME, ""));
}
/**
* {@link ComponentName} of multi-client IME to be used.
*
* <p>TODO: Move this back to MultiClientInputMethodManagerService once
* {@link #PER_PROFILE_IME_ENABLED} always becomes {@code true}.</p>
*
* @hide
*/
@Nullable
public static final ComponentName sMultiClientImeComponentName =
getMultiClientImeComponentName();
/**
* {@code true} when multi-client IME is enabled.
*
* <p>TODO: Move this back to MultiClientInputMethodManagerService once
* {@link #PER_PROFILE_IME_ENABLED} always becomes {@code true}.</p>
*
* @hide
*/
@TestApi
public static final boolean MULTI_CLIENT_IME_ENABLED = (sMultiClientImeComponentName != null);
/**
* {@code true} when per-profile IME is enabled.
* @hide
*/
public static final boolean PER_PROFILE_IME_ENABLED;
static {
if (MULTI_CLIENT_IME_ENABLED) {
PER_PROFILE_IME_ENABLED = true;
} else if (Build.IS_DEBUGGABLE) {
PER_PROFILE_IME_ENABLED = SystemProperties.getBoolean(PROP_DEBUG_PER_PROFILE_IME, true);
} else {
PER_PROFILE_IME_ENABLED = true;
}
}
}
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