Add SDK 29 sources.
Test: N/A
Change-Id: Iedb7a31029e003928eb16f7e69ed147e72bb6235
diff --git a/android/webkit/TracingConfig.java b/android/webkit/TracingConfig.java
new file mode 100644
index 0000000..2080168
--- /dev/null
+++ b/android/webkit/TracingConfig.java
@@ -0,0 +1,274 @@
+/*
+ * Copyright 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 android.webkit;
+
+import android.annotation.IntDef;
+import android.annotation.NonNull;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * Holds tracing configuration information and predefined settings.
+ */
+public class TracingConfig {
+
+ private @PredefinedCategories int mPredefinedCategories;
+ private final List<String> mCustomIncludedCategories = new ArrayList<String>();
+ private @TracingMode int mTracingMode;
+
+ /** @hide */
+ @IntDef(flag = true, value = {CATEGORIES_NONE, CATEGORIES_ALL, CATEGORIES_ANDROID_WEBVIEW,
+ CATEGORIES_WEB_DEVELOPER, CATEGORIES_INPUT_LATENCY, CATEGORIES_RENDERING,
+ CATEGORIES_JAVASCRIPT_AND_RENDERING, CATEGORIES_FRAME_VIEWER})
+ @Retention(RetentionPolicy.SOURCE)
+ public @interface PredefinedCategories {}
+
+ /**
+ * Indicates that there are no predefined categories.
+ */
+ public static final int CATEGORIES_NONE = 0;
+
+ /**
+ * Predefined set of categories, includes all categories enabled by default in chromium.
+ * Use with caution: this setting may produce large trace output.
+ */
+ public static final int CATEGORIES_ALL = 1 << 0;
+
+ /**
+ * Predefined set of categories typically useful for analyzing WebViews.
+ * Typically includes "android_webview" and "Java" categories.
+ */
+ public static final int CATEGORIES_ANDROID_WEBVIEW = 1 << 1;
+
+ /**
+ * Predefined set of categories typically useful for web developers.
+ * Typically includes "blink", "compositor", "renderer.scheduler" and "v8" categories.
+ */
+ public static final int CATEGORIES_WEB_DEVELOPER = 1 << 2;
+
+ /**
+ * Predefined set of categories for analyzing input latency issues.
+ * Typically includes "input", "renderer.scheduler" categories.
+ */
+ public static final int CATEGORIES_INPUT_LATENCY = 1 << 3;
+
+ /**
+ * Predefined set of categories for analyzing rendering issues.
+ * Typically includes "blink", "compositor" and "gpu" categories.
+ */
+ public static final int CATEGORIES_RENDERING = 1 << 4;
+
+ /**
+ * Predefined set of categories for analyzing javascript and rendering issues.
+ * Typically includes "blink", "compositor", "gpu", "renderer.scheduler" and "v8" categories.
+ */
+ public static final int CATEGORIES_JAVASCRIPT_AND_RENDERING = 1 << 5;
+
+ /**
+ * Predefined set of categories for studying difficult rendering performance problems.
+ * Typically includes "blink", "compositor", "gpu", "renderer.scheduler", "v8" and
+ * some other compositor categories which are disabled by default.
+ */
+ public static final int CATEGORIES_FRAME_VIEWER = 1 << 6;
+
+ /** @hide */
+ @IntDef({RECORD_UNTIL_FULL, RECORD_CONTINUOUSLY})
+ @Retention(RetentionPolicy.SOURCE)
+ public @interface TracingMode {}
+
+ /**
+ * Record trace events until the internal tracing buffer is full.
+ *
+ * Typically the buffer memory usage is larger than {@link #RECORD_CONTINUOUSLY}.
+ * Depending on the implementation typically allows up to 256k events to be stored.
+ */
+ public static final int RECORD_UNTIL_FULL = 0;
+
+ /**
+ * Record trace events continuously using an internal ring buffer. Default tracing mode.
+ *
+ * Overwrites old events if they exceed buffer capacity. Uses less memory than the
+ * {@link #RECORD_UNTIL_FULL} mode. Depending on the implementation typically allows
+ * up to 64k events to be stored.
+ */
+ public static final int RECORD_CONTINUOUSLY = 1;
+
+ /**
+ * @hide
+ */
+ public TracingConfig(@PredefinedCategories int predefinedCategories,
+ @NonNull List<String> customIncludedCategories,
+ @TracingMode int tracingMode) {
+ mPredefinedCategories = predefinedCategories;
+ mCustomIncludedCategories.addAll(customIncludedCategories);
+ mTracingMode = tracingMode;
+ }
+
+ /**
+ * Returns a bitmask of the predefined category sets of this configuration.
+ *
+ * @return Bitmask of predefined category sets.
+ */
+ @PredefinedCategories
+ public int getPredefinedCategories() {
+ return mPredefinedCategories;
+ }
+
+ /**
+ * Returns the list of included custom category patterns for this configuration.
+ *
+ * @return Empty list if no custom category patterns are specified.
+ */
+ @NonNull
+ public List<String> getCustomIncludedCategories() {
+ return mCustomIncludedCategories;
+ }
+
+ /**
+ * Returns the tracing mode of this configuration.
+ *
+ * @return The tracing mode of this configuration.
+ */
+ @TracingMode
+ public int getTracingMode() {
+ return mTracingMode;
+ }
+
+ /**
+ * Builder used to create {@link TracingConfig} objects.
+ * <p>
+ * Examples:
+ * <pre class="prettyprint">
+ * // Create a configuration with default options: {@link #CATEGORIES_NONE},
+ * // {@link #RECORD_CONTINUOUSLY}.
+ * <code>new TracingConfig.Builder().build()</code>
+ *
+ * // Record trace events from the "web developer" predefined category sets.
+ * // Uses a ring buffer (the default {@link #RECORD_CONTINUOUSLY} mode) for
+ * // internal storage during tracing.
+ * <code>new TracingConfig.Builder().addCategories(CATEGORIES_WEB_DEVELOPER).build()</code>
+ *
+ * // Record trace events from the "rendering" and "input latency" predefined
+ * // category sets.
+ * <code>new TracingConfig.Builder().addCategories(CATEGORIES_RENDERING,
+ * CATEGORIES_INPUT_LATENCY).build()</code>
+ *
+ * // Record only the trace events from the "browser" category.
+ * <code>new TracingConfig.Builder().addCategories("browser").build()</code>
+ *
+ * // Record only the trace events matching the "blink*" and "renderer*" patterns
+ * // (e.g. "blink.animations", "renderer_host" and "renderer.scheduler" categories).
+ * <code>new TracingConfig.Builder().addCategories("blink*","renderer*").build()</code>
+ *
+ * // Record events from the "web developer" predefined category set and events from
+ * // the "disabled-by-default-v8.gc" category to understand where garbage collection
+ * // is being triggered. Uses a limited size buffer for internal storage during tracing.
+ * <code>new TracingConfig.Builder().addCategories(CATEGORIES_WEB_DEVELOPER)
+ * .addCategories("disabled-by-default-v8.gc")
+ * .setTracingMode(RECORD_UNTIL_FULL).build()</code>
+ * </pre>
+ */
+ public static class Builder {
+ private @PredefinedCategories int mPredefinedCategories = CATEGORIES_NONE;
+ private final List<String> mCustomIncludedCategories = new ArrayList<String>();
+ private @TracingMode int mTracingMode = RECORD_CONTINUOUSLY;
+
+ /**
+ * Default constructor for Builder.
+ */
+ public Builder() {}
+
+ /**
+ * Build {@link TracingConfig} using the current settings.
+ *
+ * @return The {@link TracingConfig} with the current settings.
+ */
+ public TracingConfig build() {
+ return new TracingConfig(mPredefinedCategories, mCustomIncludedCategories,
+ mTracingMode);
+ }
+
+ /**
+ * Adds predefined sets of categories to be included in the trace output.
+ *
+ * A predefined category set can be one of {@link #CATEGORIES_NONE},
+ * {@link #CATEGORIES_ALL}, {@link #CATEGORIES_ANDROID_WEBVIEW},
+ * {@link #CATEGORIES_WEB_DEVELOPER}, {@link #CATEGORIES_INPUT_LATENCY},
+ * {@link #CATEGORIES_RENDERING}, {@link #CATEGORIES_JAVASCRIPT_AND_RENDERING} or
+ * {@link #CATEGORIES_FRAME_VIEWER}.
+ *
+ * @param predefinedCategories A list or bitmask of predefined category sets.
+ * @return The builder to facilitate chaining.
+ */
+ public Builder addCategories(@PredefinedCategories int... predefinedCategories) {
+ for (int categorySet : predefinedCategories) {
+ mPredefinedCategories |= categorySet;
+ }
+ return this;
+ }
+
+ /**
+ * Adds custom categories to be included in trace output.
+ *
+ * Note that the categories are defined by the currently-in-use version of WebView. They
+ * live in chromium code and are not part of the Android API.
+ * See <a href="https://www.chromium.org/developers/how-tos/trace-event-profiling-tool">
+ * chromium documentation on tracing</a> for more details.
+ *
+ * @param categories A list of category patterns. A category pattern can contain wildcards,
+ * e.g. "blink*" or full category name e.g. "renderer.scheduler".
+ * @return The builder to facilitate chaining.
+ */
+ public Builder addCategories(String... categories) {
+ for (String category: categories) {
+ mCustomIncludedCategories.add(category);
+ }
+ return this;
+ }
+
+ /**
+ * Adds custom categories to be included in trace output.
+ *
+ * Same as {@link #addCategories(String...)} but allows to pass a Collection as a parameter.
+ *
+ * @param categories A list of category patterns.
+ * @return The builder to facilitate chaining.
+ */
+ public Builder addCategories(Collection<String> categories) {
+ mCustomIncludedCategories.addAll(categories);
+ return this;
+ }
+
+ /**
+ * Sets the tracing mode for this configuration.
+ * When tracingMode is not set explicitly, the default is {@link #RECORD_CONTINUOUSLY}.
+ *
+ * @param tracingMode The tracing mode to use, one of {@link #RECORD_UNTIL_FULL} or
+ * {@link #RECORD_CONTINUOUSLY}.
+ * @return The builder to facilitate chaining.
+ */
+ public Builder setTracingMode(@TracingMode int tracingMode) {
+ mTracingMode = tracingMode;
+ return this;
+ }
+ }
+
+}
