1
0
Fork 0
fenix/mozilla-lint-rules/src/main/java/org/mozilla/fenix/lintrules/ImageViewAndroidTintXmlDete...

82 lines
3.2 KiB
Kotlin

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.fenix.lintrules
import com.android.SdkConstants.ATTR_TINT
import com.android.SdkConstants.FQCN_IMAGE_BUTTON
import com.android.SdkConstants.FQCN_IMAGE_VIEW
import com.android.SdkConstants.IMAGE_BUTTON
import com.android.SdkConstants.IMAGE_VIEW
import com.android.resources.ResourceFolderType
import com.android.tools.lint.detector.api.Category
import com.android.tools.lint.detector.api.Implementation
import com.android.tools.lint.detector.api.Issue
import com.android.tools.lint.detector.api.ResourceXmlDetector
import com.android.tools.lint.detector.api.Scope
import com.android.tools.lint.detector.api.Severity
import com.android.tools.lint.detector.api.XmlContext
import org.w3c.dom.Element
/**
* A custom lint check that prohibits not using the app:tint for ImageViews
*/
class ImageViewAndroidTintXmlDetector : ResourceXmlDetector() {
companion object {
const val SCHEMA = "http://schemas.android.com/apk/res/android"
const val FULLY_QUALIFIED_APP_COMPAT_IMAGE_BUTTON =
"androidx.appcompat.widget.AppCompatImageButton"
const val FULLY_QUALIFIED_APP_COMPAT_VIEW_CLASS =
"androidx.appcompat.widget.AppCompatImageView"
const val APP_COMPAT_IMAGE_BUTTON = "AppCompatImageButton"
const val APP_COMPAT_IMAGE_VIEW = "AppCompatImageView"
const val ERROR_MESSAGE =
"Using android:tint to tint ImageView instead of app:tint with AppCompatImageView"
val ISSUE_XML_SRC_USAGE = Issue.create(
id = "AndroidSrcXmlDetector",
briefDescription = "Prohibits using android:tint in ImageViews and ImageButtons",
explanation = "ImageView (and descendants) should be tinted using app:tint",
category = Category.CORRECTNESS,
severity = Severity.ERROR,
implementation = Implementation(
ImageViewAndroidTintXmlDetector::class.java,
Scope.RESOURCE_FILE_SCOPE
)
)
}
override fun appliesTo(folderType: ResourceFolderType): Boolean {
// Return true if we want to analyze resource files in the specified resource
// folder type. In this case we only need to analyze layout resource files.
return folderType == ResourceFolderType.LAYOUT
}
override fun getApplicableElements(): Collection<String>? {
return setOf(
FQCN_IMAGE_VIEW,
IMAGE_VIEW,
FQCN_IMAGE_BUTTON,
IMAGE_BUTTON,
FULLY_QUALIFIED_APP_COMPAT_IMAGE_BUTTON,
FULLY_QUALIFIED_APP_COMPAT_VIEW_CLASS,
APP_COMPAT_IMAGE_BUTTON,
APP_COMPAT_IMAGE_VIEW
)
}
override fun visitElement(context: XmlContext, element: Element) {
if (!element.hasAttributeNS(SCHEMA, ATTR_TINT)) return
val node = element.getAttributeNodeNS(SCHEMA, ATTR_TINT)
context.report(
issue = ISSUE_XML_SRC_USAGE,
scope = node,
location = context.getLocation(node),
message = ERROR_MESSAGE
)
}
}