Adding a wrapper on Window Manager to add ViewCapture tracing to new (5b35502e) · Commits · e / os / android_frameworks_libs_systemui

viewcapturelib/Android.bp

+4 −0

Original line number	Diff line number	Diff line
		@@ -60,6 +60,7 @@ android_test {
		"androidx.test.ext.junit",
		"androidx.test.rules",
		"testables",
		"mockito-kotlin2",
		"mockito-target-extended-minus-junit4",
		],
		srcs: [
		@@ -71,5 +72,8 @@ android_test {
		"android.test.base",
		"android.test.mock",
		],
		jni_libs: [
		"libdexmakerjvmtiagent",
		],
		test_suites: ["device-tests"],
		}

viewcapturelib/src/com/android/app/viewcapture/ViewCaptureAwareWindowManager.kt

0 → 100644

+66 −0

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		/*
		* Copyright (C) 2024 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.app.viewcapture

		import android.media.permission.SafeCloseable
		import android.util.Log
		import android.view.View
		import android.view.ViewGroup
		import android.view.WindowManager

		/** Tag for debug logging. */
		private const val TAG = "ViewCaptureWindowManager"

		/**
		* Wrapper class for [WindowManager]. Adds [ViewCapture] to associated window when it is added to
		* view hierarchy.
		*/
		class ViewCaptureAwareWindowManager(
		private val windowManager: WindowManager,
		private val lazyViewCapture: Lazy<ViewCapture>,
		) : WindowManager by windowManager {

		private var viewCaptureCloseableMap: MutableMap<View, SafeCloseable> = mutableMapOf()

		override fun addView(view: View, params: ViewGroup.LayoutParams?) {
		windowManager.addView(view, params)
		val viewCaptureCloseable: SafeCloseable =
		lazyViewCapture.value.startCapture(view, getViewName(view))
		viewCaptureCloseableMap[view] = viewCaptureCloseable
		}

		override fun removeView(view: View?) {
		removeViewFromCloseableMap(view)
		windowManager.removeView(view)
		}

		override fun removeViewImmediate(view: View?) {
		removeViewFromCloseableMap(view)
		windowManager.removeViewImmediate(view)
		}

		private fun getViewName(view: View) = "." + view.javaClass.name

		private fun removeViewFromCloseableMap(view: View?) {
		if (viewCaptureCloseableMap.containsKey(view)) {
		viewCaptureCloseableMap[view]?.close()
		viewCaptureCloseableMap.remove(view)
		} else {
		Log.wtf(TAG, "removeView called with view not present in closeable map!")
		}
		}
		}

viewcapturelib/tests/com/android/app/viewcapture/ViewCaptureAwareWindowManagerTest.kt

0 → 100644

+69 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2024 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.app.viewcapture

		import android.content.Context
		import android.testing.AndroidTestingRunner
		import android.view.View
		import android.view.WindowManager
		import androidx.test.core.app.ApplicationProvider
		import androidx.test.filters.SmallTest
		import org.junit.Before
		import org.junit.Test
		import org.junit.runner.RunWith
		import org.mockito.ArgumentMatchers.any
		import org.mockito.ArgumentMatchers.anyString
		import org.mockito.Mockito.doAnswer
		import org.mockito.Mockito.spy
		import org.mockito.Mockito.verify
		import org.mockito.Mockito.`when`
		import org.mockito.invocation.InvocationOnMock
		import org.mockito.kotlin.doReturn
		import org.mockito.kotlin.mock

		@RunWith(AndroidTestingRunner::class)
		@SmallTest
		class ViewCaptureAwareWindowManagerTest {
		private val context: Context = ApplicationProvider.getApplicationContext()
		private val mockRootView = mock<View>()
		private val windowManager = mock<WindowManager>()
		private val viewCaptureSpy = spy(ViewCaptureFactory.getInstance(context))
		private val lazyViewCapture = mock<Lazy<ViewCapture>> { on { value } doReturn viewCaptureSpy }
		private var mViewCaptureAwareWindowManager: ViewCaptureAwareWindowManager? = null

		@Before
		fun setUp() {
		doAnswer { invocation: InvocationOnMock ->
		val view = invocation.getArgument<View>(0)
		val lp = invocation.getArgument<WindowManager.LayoutParams>(1)
		view.layoutParams = lp
		null
		}
		.`when`(windowManager)
		.addView(any(View::class.java), any(WindowManager.LayoutParams::class.java))
		`when`(mockRootView.context).thenReturn(context)

		mViewCaptureAwareWindowManager =
		ViewCaptureAwareWindowManager(windowManager, lazyViewCapture)
		}

		@Test
		fun testAddView_verifyStartCaptureCall() {
		mViewCaptureAwareWindowManager?.addView(mockRootView, mockRootView.layoutParams)
		verify(viewCaptureSpy).startCapture(any(), anyString())
		}
		}