--- /dev/null
+/*
+ * Copyright (C) 2010 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.ide.common.rendering.api;
+
+/**
+ * Log class for actions executed through {@link Bridge} and {@link RenderSession}.
+ */
+public class LayoutLog {
+ /**
+ * Prefix for resource warnings/errors. This is not meant to be used as-is by the Layout
+ * Library, but is there to help test against a wider type of warning/error.
+ * <p/>
+ * {@code tag.startsWith(LayoutLog.TAG_RESOURCE_PREFIX} will test if the tag is any type
+ * of resource warning/error
+ */
+ public final static String TAG_RESOURCES_PREFIX = "resources.";
+
+ /**
+ * Prefix for matrix warnings/errors. This is not meant to be used as-is by the Layout
+ * Library, but is there to help test against a wider type of warning/error.
+ * <p/>
+ * {@code tag.startsWith(LayoutLog.TAG_MATRIX_PREFIX} will test if the tag is any type
+ * of matrix warning/error
+ */
+ public final static String TAG_MATRIX_PREFIX = "matrix.";
+
+ /**
+ * Tag for unsupported feature that can have a big impact on the rendering. For instance, aild
+ * access.
+ */
+ public final static String TAG_UNSUPPORTED = "unsupported";
+
+ /**
+ * Tag for error when something really unexpected happens.
+ */
+ public final static String TAG_BROKEN = "broken";
+
+ /**
+ * Tag for resource resolution failure.
+ * In this case the warning/error data object will be a ResourceValue containing the type
+ * and name of the resource that failed to resolve
+ */
+ public final static String TAG_RESOURCES_RESOLVE = TAG_RESOURCES_PREFIX + "resolve";
+
+ /**
+ * Tag for failure when reading the content of a resource file.
+ */
+ public final static String TAG_RESOURCES_READ = TAG_RESOURCES_PREFIX + "read";
+
+ /**
+ * Tag for wrong format in a resource value.
+ */
+ public final static String TAG_RESOURCES_FORMAT = TAG_RESOURCES_PREFIX + "format";
+
+ /**
+ * Fidelity Tag used when a non affine transformation matrix is used in a Java API.
+ */
+ public final static String TAG_MATRIX_AFFINE = TAG_MATRIX_PREFIX + "affine";
+
+ /**
+ * Tag used when a matrix cannot be inverted.
+ */
+ public final static String TAG_MATRIX_INVERSE = TAG_MATRIX_PREFIX + "inverse";
+
+ /**
+ * Fidelity Tag used when a mask filter type is used but is not supported.
+ */
+ public final static String TAG_MASKFILTER = "maskfilter";
+
+ /**
+ * Fidelity Tag used when a draw filter type is used but is not supported.
+ */
+ public final static String TAG_DRAWFILTER = "drawfilter";
+
+ /**
+ * Fidelity Tag used when a path effect type is used but is not supported.
+ */
+ public final static String TAG_PATHEFFECT = "patheffect";
+
+ /**
+ * Fidelity Tag used when a color filter type is used but is not supported.
+ */
+ public final static String TAG_COLORFILTER = "colorfilter";
+
+ /**
+ * Fidelity Tag used when a rasterize type is used but is not supported.
+ */
+ public final static String TAG_RASTERIZER = "rasterizer";
+
+ /**
+ * Fidelity Tag used when a shader type is used but is not supported.
+ */
+ public final static String TAG_SHADER = "shader";
+
+ /**
+ * Fidelity Tag used when a xfermode type is used but is not supported.
+ */
+ public final static String TAG_XFERMODE = "xfermode";
+
+ /**
+ * Logs a warning.
+ * @param tag a tag describing the type of the warning
+ * @param message the message of the warning
+ * @param data an optional data bundle that the client can use to improve the warning display.
+ */
+ public void warning(String tag, String message, Object data) {
+ }
+
+ /**
+ * Logs a fidelity warning.
+ *
+ * This type of warning indicates that the render will not be
+ * the same as the rendering on a device due to limitation of the Java rendering API.
+ *
+ * @param tag a tag describing the type of the warning
+ * @param message the message of the warning
+ * @param throwable an optional Throwable that triggered the warning
+ * @param data an optional data bundle that the client can use to improve the warning display.
+ */
+ public void fidelityWarning(String tag, String message, Throwable throwable, Object data) {
+ }
+
+ /**
+ * Logs an error.
+ *
+ * @param tag a tag describing the type of the error
+ * @param message the message of the error
+ * @param data an optional data bundle that the client can use to improve the error display.
+ */
+ public void error(String tag, String message, Object data) {
+ }
+
+ /**
+ * Logs an error, and the {@link Throwable} that triggered it.
+ *
+ * @param tag a tag describing the type of the error
+ * @param message the message of the error
+ * @param throwable the Throwable that triggered the error
+ * @param data an optional data bundle that the client can use to improve the error display.
+ */
+ public void error(String tag, String message, Throwable throwable, Object data) {
+ }
+}
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