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Unified Diff: tools/dom/src/html_native_DOMImplementation.dart

Issue 680913006: Stop generating dart:blink from dart scripts (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Add dartium generated dart:blink to sdk Created 6 years, 2 months ago
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Index: tools/dom/src/html_native_DOMImplementation.dart
diff --git a/tools/dom/src/html_native_DOMImplementation.dart b/tools/dom/src/html_native_DOMImplementation.dart
deleted file mode 100644
index fe473885bc8c76d0e9173814af066e446ed5c491..0000000000000000000000000000000000000000
--- a/tools/dom/src/html_native_DOMImplementation.dart
+++ /dev/null
@@ -1,1004 +0,0 @@
-// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-part of html;
-
-class _Property {
- _Property(this.name) :
- _hasValue = false,
- writable = false,
- isMethod = false,
- isOwn = true,
- wasThrown = false;
-
- bool get hasValue => _hasValue;
- get value => _value;
- set value(v) {
- _value = v;
- _hasValue = true;
- }
-
- final String name;
- Function setter;
- Function getter;
- var _value;
- bool _hasValue;
- bool writable;
- bool isMethod;
- bool isOwn;
- bool wasThrown;
-}
-
-class _ConsoleVariables {
- Map<String, Object> _data = new Map<String, Object>();
-
- /**
- * Forward member accesses to the backing JavaScript object.
- */
- noSuchMethod(Invocation invocation) {
- String member = MirrorSystem.getName(invocation.memberName);
- if (invocation.isGetter) {
- return _data[member];
- } else if (invocation.isSetter) {
- assert(member.endsWith('='));
- member = member.substring(0, member.length - 1);
- _data[member] = invocation.positionalArguments[0];
- } else {
- return Function.apply(_data[member], invocation.positionalArguments,
- invocation.namedArguments);
- }
- }
-
- void clear() => _data.clear();
-
- /**
- * List all variables currently defined.
- */
- List variables() => _data.keys.toList();
-
- void setVariable(String name, value) {
- _data[name] = value;
- }
-}
-
-/**
- * Base class for invocation trampolines used to closurize methods, getters
- * and setters.
- */
-abstract class _Trampoline implements Function {
- final ObjectMirror _receiver;
- final MethodMirror _methodMirror;
- final Symbol _selector;
-
- _Trampoline(this._receiver, this._methodMirror, this._selector);
-}
-
-class _MethodTrampoline extends _Trampoline {
- _MethodTrampoline(ObjectMirror receiver, MethodMirror methodMirror,
- Symbol selector) :
- super(receiver, methodMirror, selector);
-
- noSuchMethod(Invocation msg) {
- if (msg.memberName != #call) return super.noSuchMethod(msg);
- return _receiver.invoke(_selector,
- msg.positionalArguments,
- msg.namedArguments).reflectee;
- }
-}
-
-/**
- * Invocation trampoline class used to closurize getters.
- */
-class _GetterTrampoline extends _Trampoline {
- _GetterTrampoline(ObjectMirror receiver, MethodMirror methodMirror,
- Symbol selector) :
- super(receiver, methodMirror, selector);
-
- call() => _receiver.getField(_selector).reflectee;
-}
-
-/**
- * Invocation trampoline class used to closurize setters.
- */
-class _SetterTrampoline extends _Trampoline {
- _SetterTrampoline(ObjectMirror receiver, MethodMirror methodMirror,
- Symbol selector) :
- super(receiver, methodMirror, selector);
-
- call(value) {
- _receiver.setField(_selector, value);
- }
-}
-
-class _Utils {
- static double dateTimeToDouble(DateTime dateTime) =>
- dateTime.millisecondsSinceEpoch.toDouble();
- static DateTime doubleToDateTime(double dateTime) {
- try {
- return new DateTime.fromMillisecondsSinceEpoch(dateTime.toInt());
- } catch(_) {
- // TODO(antonnm): treat exceptions properly in bindings and
- // find out how to treat NaNs.
- return null;
- }
- }
-
- static List convertToList(List list) {
- // FIXME: [possible optimization]: do not copy the array if Dart_IsArray is fine w/ it.
- final length = list.length;
- List result = new List(length);
- result.setRange(0, length, list);
- return result;
- }
-
- static List convertMapToList(Map map) {
- List result = [];
- map.forEach((k, v) => result.addAll([k, v]));
- return result;
- }
-
- static int convertCanvasElementGetContextMap(Map map) {
- int result = 0;
- if (map['alpha'] == true) result |= 0x01;
- if (map['depth'] == true) result |= 0x02;
- if (map['stencil'] == true) result |= 0x4;
- if (map['antialias'] == true) result |= 0x08;
- if (map['premultipliedAlpha'] == true) result |= 0x10;
- if (map['preserveDrawingBuffer'] == true) result |= 0x20;
-
- return result;
- }
-
- static void populateMap(Map result, List list) {
- for (int i = 0; i < list.length; i += 2) {
- result[list[i]] = list[i + 1];
- }
- }
-
- static bool isMap(obj) => obj is Map;
-
- static List toListIfIterable(obj) => obj is Iterable ? obj.toList() : null;
-
- static Map createMap() => {};
-
- static parseJson(String jsonSource) => const JsonDecoder().convert(jsonSource);
-
- static makeUnimplementedError(String fileName, int lineNo) {
- return new UnsupportedError('[info: $fileName:$lineNo]');
- }
-
- static bool isTypeSubclassOf(Type type, Type other) {
- if (type == other) {
- return true;
- }
- var superclass = reflectClass(type).superclass;
- if (superclass != null) {
- return isTypeSubclassOf(superclass.reflectedType, other);
- }
- return false;
- }
-
- static Element getAndValidateNativeType(Type type, String tagName) {
- var element = new Element.tag(tagName);
- if (!isTypeSubclassOf(type, element.runtimeType)) {
- return null;
- }
- return element;
- }
-
- static window() => _blink.Blink_Utils.window();
- static forwardingPrint(String message) => _blink.Blink_Utils.forwardingPrint(message);
- // TODO(vsm): Make this API compatible with spawnUri. It should also
- // return a Future<Isolate>.
- static spawnDomUri(String uri) => _blink.Blink_Utils.spawnDomUri(uri);
-
- // The following methods were added for debugger integration to make working
- // with the Dart C mirrors API simpler.
- // TODO(jacobr): consider moving them to a separate library.
- // If Dart supported dynamic code injection, we would only inject this code
- // when the debugger is invoked.
-
- /**
- * Strips the private secret prefix from member names of the form
- * someName@hash.
- */
- static String stripMemberName(String name) {
- int endIndex = name.indexOf('@');
- return endIndex > 0 ? name.substring(0, endIndex) : name;
- }
-
- /**
- * Takes a list containing variable names and corresponding values and
- * returns a map from normalized names to values. Variable names are assumed
- * to have list offsets 2*n values at offset 2*n+1. This method is required
- * because Dart_GetLocalVariables returns a list instead of an object that
- * can be queried to lookup names and values.
- */
- static Map<String, dynamic> createLocalVariablesMap(List localVariables) {
- var map = {};
- for (int i = 0; i < localVariables.length; i+=2) {
- map[stripMemberName(localVariables[i])] = localVariables[i+1];
- }
- return map;
- }
-
- static _ConsoleVariables _consoleTempVariables = new _ConsoleVariables();
-
- /**
- * Takes an [expression] and a list of [local] variable and returns an
- * expression for a closure with a body matching the original expression
- * where locals are passed in as arguments. Returns a list containing the
- * String expression for the closure and the list of arguments that should
- * be passed to it. The expression should then be evaluated using
- * Dart_EvaluateExpr which will generate a closure that should be invoked
- * with the list of arguments passed to this method.
- *
- * For example:
- * <code>
- * _consoleTempVariables = {'a' : someValue, 'b': someOtherValue}
- * wrapExpressionAsClosure("foo + bar + a", ["bar", 40, "foo", 2], true)
- * </code>
- * will return:
- * <code>
- * ["""(final $consoleVariables, final bar, final foo, final a, final b) =>
- * (foo + bar + a
- * )""",
- * [_consoleTempVariables, 40, 2, someValue, someOtherValue]]
- * </code>
- */
- static List wrapExpressionAsClosure(String expression, List locals,
- bool includeCommandLineAPI) {
- var args = {};
- var sb = new StringBuffer("(");
- addArg(arg, value) {
- arg = stripMemberName(arg);
- if (args.containsKey(arg)) return;
- // We ignore arguments with the name 'this' rather than throwing an
- // exception because Dart_GetLocalVariables includes 'this' and it
- // is more convenient to filter it out here than from C++ code.
- // 'this' needs to be handled by calling Dart_EvaluateExpr with
- // 'this' as the target rather than by passing it as an argument.
- if (arg == 'this') return;
- if (args.isNotEmpty) {
- sb.write(", ");
- }
- sb.write("final $arg");
- args[arg] = value;
- }
-
- if (includeCommandLineAPI) {
- addArg("\$consoleVariables", _consoleTempVariables);
-
- // FIXME: use a real Dart tokenizer. The following regular expressions
- // only allow setting variables at the immediate start of the expression
- // to limit the number of edge cases we have to handle.
-
- // Match expressions that start with "var x"
- final _VARIABLE_DECLARATION = new RegExp("^(\\s*)var\\s+(\\w+)");
- // Match expressions that start with "someExistingConsoleVar ="
- final _SET_VARIABLE = new RegExp("^(\\s*)(\\w+)(\\s*=)");
- // Match trailing semicolons.
- final _ENDING_SEMICOLONS = new RegExp("(;\\s*)*\$");
- expression = expression.replaceAllMapped(_VARIABLE_DECLARATION,
- (match) {
- var variableName = match[2];
- // Set the console variable if it isn't already set.
- if (!_consoleTempVariables._data.containsKey(variableName)) {
- _consoleTempVariables._data[variableName] = null;
- }
- return "${match[1]}\$consoleVariables.${variableName}";
- });
-
- expression = expression.replaceAllMapped(_SET_VARIABLE,
- (match) {
- var variableName = match[2];
- // Only rewrite if the name matches an existing console variable.
- if (_consoleTempVariables._data.containsKey(variableName)) {
- return "${match[1]}\$consoleVariables.${variableName}${match[3]}";
- } else {
- return match[0];
- }
- });
-
- // We only allow dart expressions not Dart statements. Silently remove
- // trailing semicolons the user might have added by accident to reduce the
- // number of spurious compile errors.
- expression = expression.replaceFirst(_ENDING_SEMICOLONS, "");
- }
-
- if (locals != null) {
- for (int i = 0; i < locals.length; i+= 2) {
- addArg(locals[i], locals[i+1]);
- }
- }
- // Inject all the already defined console variables.
- _consoleTempVariables._data.forEach(addArg);
-
- // TODO(jacobr): remove the parentheses around the expresson once
- // dartbug.com/13723 is fixed. Currently we wrap expression in parentheses
- // to ensure only valid Dart expressions are allowed. Otherwise the DartVM
- // quietly ignores trailing Dart statements resulting in user confusion
- // when part of an invalid expression they entered is ignored.
- sb..write(') => (\n$expression\n)');
- return [sb.toString(), args.values.toList(growable: false)];
- }
-
- static String _getShortSymbolName(Symbol symbol,
- DeclarationMirror declaration) {
- var name = MirrorSystem.getName(symbol);
- if (declaration is MethodMirror) {
- if (declaration.isSetter && name[name.length-1] == "=") {
- return name.substring(0, name.length-1);
- }
- if (declaration.isConstructor) {
- return name.substring(name.indexOf('.') + 1);
- }
- }
- return name;
- }
-
- /**
- * Returns a list of completions to use if the receiver is o.
- */
- static List<String> getCompletions(o) {
- MirrorSystem system = currentMirrorSystem();
- var completions = new Set<String>();
- addAll(Map<Symbol, dynamic> map, bool isStatic) {
- map.forEach((symbol, mirror) {
- if (mirror.isStatic == isStatic && !mirror.isPrivate) {
- var name = MirrorSystem.getName(symbol);
- if (mirror is MethodMirror && mirror.isSetter)
- name = name.substring(0, name.length - 1);
- completions.add(name);
- }
- });
- }
-
- addForClass(ClassMirror mirror, bool isStatic) {
- if (mirror == null)
- return;
- addAll(mirror.declarations, isStatic);
- if (mirror.superclass != null)
- addForClass(mirror.superclass, isStatic);
- for (var interface in mirror.superinterfaces) {
- addForClass(interface, isStatic);
- }
- }
-
- if (o is Type) {
- addForClass(reflectClass(o), true);
- } else {
- addForClass(reflect(o).type, false);
- }
- return completions.toList(growable: false);
- }
-
- /**
- * Adds all candidate String completitions from [declarations] to [output]
- * filtering based on [staticContext] and [includePrivate].
- */
- static void _getCompletionsHelper(ClassMirror classMirror,
- bool staticContext, LibraryMirror libraryMirror, Set<String> output) {
- bool includePrivate = libraryMirror == classMirror.owner;
- classMirror.declarations.forEach((symbol, declaration) {
- if (!includePrivate && declaration.isPrivate) return;
- if (declaration is VariableMirror) {
- if (staticContext != declaration.isStatic) return;
- } else if (declaration is MethodMirror) {
- if (declaration.isOperator) return;
- if (declaration.isConstructor) {
- if (!staticContext) return;
- var name = MirrorSystem.getName(declaration.constructorName);
- if (name.isNotEmpty) output.add(name);
- return;
- }
- if (staticContext != declaration.isStatic) return;
- } else if (declaration is TypeMirror) {
- return;
- }
- output.add(_getShortSymbolName(symbol, declaration));
- });
-
- if (!staticContext) {
- for (var interface in classMirror.superinterfaces) {
- _getCompletionsHelper(interface, staticContext,
- libraryMirror, output);
- }
- if (classMirror.superclass != null) {
- _getCompletionsHelper(classMirror.superclass, staticContext,
- libraryMirror, output);
- }
- }
- }
-
- static void _getLibraryCompletionsHelper(
- LibraryMirror library, bool includePrivate, Set<String> output) {
- library.declarations.forEach((symbol, declaration) {
- if (!includePrivate && declaration.isPrivate) return;
- output.add(_getShortSymbolName(symbol, declaration));
- });
- }
-
- static LibraryMirror getLibraryMirror(String url) =>
- currentMirrorSystem().libraries[Uri.parse(url)];
-
- /**
- * Get code completions for [o] only showing privates from [libraryUrl].
- */
- static List<String> getObjectCompletions(o, String libraryUrl) {
- var classMirror;
- bool staticContext;
- if (o is Type) {
- classMirror = reflectClass(o);
- staticContext = true;
- } else {
- classMirror = reflect(o).type;
- staticContext = false;
- }
- var names = new Set<String>();
- getClassCompletions(classMirror, names, staticContext, libraryUrl);
- return names.toList()..sort();
- }
-
- static void getClassCompletions(ClassMirror classMirror, Set<String> names,
- bool staticContext, String libraryUrl) {
- LibraryMirror libraryMirror = getLibraryMirror(libraryUrl);
- _getCompletionsHelper(classMirror, staticContext, libraryMirror, names);
- }
-
- static List<String> getLibraryCompletions(String url) {
- var names = new Set<String>();
- _getLibraryCompletionsHelper(getLibraryMirror(url), true, names);
- return names.toList();
- }
-
- /**
- * Get valid code completitions from within a library and all libraries
- * imported by that library.
- */
- static List<String> getLibraryCompletionsIncludingImports(String url) {
- var names = new Set<String>();
- var libraryMirror = getLibraryMirror(url);
- _getLibraryCompletionsHelper(libraryMirror, true, names);
- for (var dependency in libraryMirror.libraryDependencies) {
- if (dependency.isImport) {
- if (dependency.prefix == null) {
- _getLibraryCompletionsHelper(dependency.targetLibrary, false, names);
- } else {
- names.add(MirrorSystem.getName(dependency.prefix));
- }
- }
- }
- return names.toList();
- }
-
- static final SIDE_EFFECT_FREE_LIBRARIES = new Set<String>()
- ..add('dart:html')
- ..add('dart:indexed_db')
- ..add('dart:svg')
- ..add('dart:typed_data')
- ..add('dart:web_audio')
- ..add('dart:web_gl')
- ..add('dart:web_sql');
-
- static LibraryMirror _getLibrary(MethodMirror methodMirror) {
- var owner = methodMirror.owner;
- if (owner is ClassMirror) {
- return owner;
- } else if (owner is LibraryMirror) {
- return owner;
- }
- return null;
- }
-
- /**
- * For parity with the JavaScript debugger, we treat some getters as if
- * they are fields so that users can see their values immediately.
- * This matches JavaScript's behavior for getters on DOM objects.
- * In the future we should consider adding an annotation to tag getters
- * in user libraries as side effect free.
- */
- static bool _isSideEffectFreeGetter(MethodMirror methodMirror,
- LibraryMirror libraryMirror) {
- // This matches JavaScript behavior. We should consider displaying
- // getters for all dart platform libraries rather than just the DOM
- // libraries.
- return libraryMirror.uri.scheme == 'dart' &&
- SIDE_EFFECT_FREE_LIBRARIES.contains(libraryMirror.uri.toString());
- }
-
- /**
- * Whether we should treat a property as a field for the purposes of the
- * debugger.
- */
- static bool treatPropertyAsField(MethodMirror methodMirror,
- LibraryMirror libraryMirror) {
- return (methodMirror.isGetter || methodMirror.isSetter) &&
- (methodMirror.isSynthetic ||
- _isSideEffectFreeGetter(methodMirror,libraryMirror));
- }
-
- // TODO(jacobr): generate more concise function descriptions instead of
- // dumping the entire function source.
- static String describeFunction(function) {
- if (function is _Trampoline) return function._methodMirror.source;
- try {
- var mirror = reflect(function);
- return mirror.function.source;
- } catch (e) {
- return function.toString();
- }
- }
-
- static List getInvocationTrampolineDetails(_Trampoline method) {
- var loc = method._methodMirror.location;
- return [loc.line, loc.column, loc.sourceUri.toString(),
- MirrorSystem.getName(method._selector)];
- }
-
- static List getLibraryProperties(String libraryUrl, bool ownProperties,
- bool accessorPropertiesOnly) {
- var properties = new Map<String, _Property>();
- var libraryMirror = getLibraryMirror(libraryUrl);
- _addInstanceMirrors(libraryMirror, libraryMirror,
- libraryMirror.declarations,
- ownProperties, accessorPropertiesOnly, false, false,
- properties);
- if (!accessorPropertiesOnly) {
- // We need to add class properties for all classes in the library.
- libraryMirror.declarations.forEach((symbol, declarationMirror) {
- if (declarationMirror is ClassMirror) {
- var name = MirrorSystem.getName(symbol);
- if (declarationMirror.hasReflectedType
- && !properties.containsKey(name)) {
- properties[name] = new _Property(name)
- ..value = declarationMirror.reflectedType;
- }
- }
- });
- }
- return packageProperties(properties);
- }
-
- static List getObjectProperties(o, bool ownProperties,
- bool accessorPropertiesOnly) {
- var properties = new Map<String, _Property>();
- var names = new Set<String>();
- var objectMirror = reflect(o);
- var classMirror = objectMirror.type;
- _addInstanceMirrors(objectMirror, classMirror.owner,
- classMirror.instanceMembers,
- ownProperties, accessorPropertiesOnly, false, true,
- properties);
- return packageProperties(properties);
- }
-
- static List getObjectClassProperties(o, bool ownProperties,
- bool accessorPropertiesOnly) {
- var properties = new Map<String, _Property>();
- var objectMirror = reflect(o);
- var classMirror = objectMirror.type;
- _addInstanceMirrors(objectMirror, classMirror.owner,
- classMirror.instanceMembers,
- ownProperties, accessorPropertiesOnly, true, false,
- properties);
- _addStatics(classMirror, properties, accessorPropertiesOnly);
- return packageProperties(properties);
- }
-
- static List getClassProperties(Type t, bool ownProperties,
- bool accessorPropertiesOnly) {
- var properties = new Map<String, _Property>();
- var classMirror = reflectClass(t);
- _addStatics(classMirror, properties, accessorPropertiesOnly);
- return packageProperties(properties);
- }
-
- static void _addStatics(ClassMirror classMirror,
- Map<String, _Property> properties,
- bool accessorPropertiesOnly) {
- var libraryMirror = classMirror.owner;
- classMirror.declarations.forEach((symbol, declaration) {
- var name = _getShortSymbolName(symbol, declaration);
- if (name.isEmpty) return;
- if (declaration is VariableMirror) {
- if (accessorPropertiesOnly) return;
- if (!declaration.isStatic) return;
- properties.putIfAbsent(name, () => new _Property(name))
- ..value = classMirror.getField(symbol).reflectee
- ..writable = !declaration.isFinal && !declaration.isConst;
- } else if (declaration is MethodMirror) {
- MethodMirror methodMirror = declaration;
- // FIXMEDART: should we display constructors?
- if (methodMirror.isConstructor) return;
- if (!methodMirror.isStatic) return;
- if (accessorPropertiesOnly) {
- if (methodMirror.isRegularMethod ||
- treatPropertyAsField(methodMirror, libraryMirror)) {
- return;
- }
- } else if (!methodMirror.isRegularMethod &&
- !treatPropertyAsField(methodMirror, libraryMirror)) {
- return;
- }
- var property = properties.putIfAbsent(name, () => new _Property(name));
- _fillMethodMirrorProperty(libraryMirror, classMirror, methodMirror,
- symbol, accessorPropertiesOnly, property);
- }
- });
- }
-
- static void _fillMethodMirrorProperty(LibraryMirror libraryMirror,
- methodOwner, MethodMirror methodMirror, Symbol symbol,
- bool accessorPropertiesOnly, _Property property) {
- if (methodMirror.isRegularMethod) {
- property
- ..value = new _MethodTrampoline(methodOwner, methodMirror, symbol)
- ..isMethod = true;
- } else if (methodMirror.isGetter) {
- if (treatPropertyAsField(methodMirror, libraryMirror)) {
- try {
- property.value = methodOwner.getField(symbol).reflectee;
- } catch (e) {
- property
- ..wasThrown = true
- ..value = e;
- }
- } else if (accessorPropertiesOnly) {
- property.getter = new _GetterTrampoline(methodOwner,
- methodMirror, symbol);
- }
- } else if (methodMirror.isSetter) {
- if (accessorPropertiesOnly &&
- !treatPropertyAsField(methodMirror, libraryMirror)) {
- property.setter = new _SetterTrampoline(methodOwner,
- methodMirror, MirrorSystem.getSymbol(property.name, libraryMirror));
- }
- property.writable = true;
- }
- }
-
- /**
- * Helper method that handles collecting up properties from classes
- * or libraries using the filters [ownProperties], [accessorPropertiesOnly],
- * [hideFields], and [hideMethods] to determine which properties are
- * collected. [accessorPropertiesOnly] specifies whether all properties
- * should be returned or just accessors. [hideFields] specifies whether
- * fields should be hidden. hideMethods specifies whether methods should be
- * shown or hidden. [ownProperties] is not currently used but is part of the
- * Blink devtools API for enumerating properties.
- */
- static void _addInstanceMirrors(
- ObjectMirror objectMirror,
- LibraryMirror libraryMirror,
- Map<Symbol, Mirror> declarations,
- bool ownProperties, bool accessorPropertiesOnly,
- bool hideFields, bool hideMethods,
- Map<String, _Property> properties) {
- declarations.forEach((symbol, declaration) {
- if (declaration is TypedefMirror || declaration is ClassMirror) return;
- var name = _getShortSymbolName(symbol, declaration);
- if (name.isEmpty) return;
- bool isField = declaration is VariableMirror ||
- (declaration is MethodMirror &&
- treatPropertyAsField(declaration, libraryMirror));
- if ((isField && hideFields) || (hideMethods && !isField)) return;
- if (accessorPropertiesOnly) {
- if (declaration is VariableMirror || declaration.isRegularMethod ||
- isField) {
- return;
- }
- } else if (declaration is MethodMirror &&
- (declaration.isGetter || declaration.isSetter) &&
- !treatPropertyAsField(declaration, libraryMirror)) {
- return;
- }
- var property = properties.putIfAbsent(name, () => new _Property(name));
- if (declaration is VariableMirror) {
- property
- ..value = objectMirror.getField(symbol).reflectee
- ..writable = !declaration.isFinal && !declaration.isConst;
- return;
- }
- _fillMethodMirrorProperty(libraryMirror, objectMirror, declaration,
- symbol, accessorPropertiesOnly, property);
- });
- }
-
- /**
- * Flatten down the properties data structure into a List that is easy to
- * access from native code.
- */
- static List packageProperties(Map<String, _Property> properties) {
- var ret = [];
- for (var property in properties.values) {
- ret.addAll([property.name,
- property.setter,
- property.getter,
- property.value,
- property.hasValue,
- property.writable,
- property.isMethod,
- property.isOwn,
- property.wasThrown]);
- }
- return ret;
- }
-
- /**
- * Get a property, returning null if the property does not exist.
- * For private property names, we attempt to resolve the property in the
- * context of each library that the property name could be associated with.
- */
- static getObjectPropertySafe(o, String propertyName) {
- var objectMirror = reflect(o);
- var classMirror = objectMirror.type;
- if (propertyName.startsWith("_")) {
- var attemptedLibraries = new Set<LibraryMirror>();
- while (classMirror != null) {
- LibraryMirror library = classMirror.owner;
- if (!attemptedLibraries.contains(library)) {
- try {
- return objectMirror.getField(
- MirrorSystem.getSymbol(propertyName, library)).reflectee;
- } catch (e) { }
- attemptedLibraries.add(library);
- }
- classMirror = classMirror.superclass;
- }
- return null;
- }
- try {
- return objectMirror.getField(
- MirrorSystem.getSymbol(propertyName)).reflectee;
- } catch (e) {
- return null;
- }
- }
-
- /**
- * Helper to wrap the inspect method on InjectedScriptHost to provide the
- * inspect method required for the
- */
- static List consoleApi(host) {
- return [
- "inspect",
- (o) {
- host.inspect(o, null);
- return o;
- },
- "dir",
- window().console.dir,
- "dirxml",
- window().console.dirxml
- // FIXME: add copy method.
- ];
- }
-
- static List getMapKeyList(Map map) => map.keys.toList();
-
- static bool isNoSuchMethodError(obj) => obj is NoSuchMethodError;
-
- static void register(Document document, String tag, Type type,
- String extendsTagName) {
- var nativeClass = _validateCustomType(type);
-
- if (extendsTagName == null) {
- if (nativeClass.reflectedType != HtmlElement) {
- throw new UnsupportedError('Class must provide extendsTag if base '
- 'native class is not HTMLElement');
- }
- }
-
- _register(document, tag, type, extendsTagName);
- }
-
- static void _register(Document document, String tag, Type customType,
- String extendsTagName) => _blink.Blink_Utils.register(document, tag, customType, extendsTagName);
-
- static Element createElement(Document document, String tagName) =>
- _blink.Blink_Utils.createElement(document, tagName);
-
- static void initializeCustomElement(HtmlElement element) =>
- _blink.Blink_Utils.initializeCustomElement(element);
-
- static Element changeElementWrapper(HtmlElement element, Type type) =>
- _blink.Blink_Utils.changeElementWrapper(element, type);
-}
-
-class _DOMWindowCrossFrame extends NativeFieldWrapperClass2 implements
- WindowBase {
- _DOMWindowCrossFrame.internal();
-
- // Fields.
- HistoryBase get history => _blink.Blink_DOMWindowCrossFrame.get_history(this);
- LocationBase get location => _blink.Blink_DOMWindowCrossFrame.get_location(this);
- bool get closed => _blink.Blink_DOMWindowCrossFrame.get_closed(this);
- WindowBase get opener => _blink.Blink_DOMWindowCrossFrame.get_opener(this);
- WindowBase get parent => _blink.Blink_DOMWindowCrossFrame.get_parent(this);
- WindowBase get top => _blink.Blink_DOMWindowCrossFrame.get_top(this);
-
- // Methods.
- void close() => _blink.Blink_DOMWindowCrossFrame.close(this);
- void postMessage(/*SerializedScriptValue*/ message, String targetOrigin, [List messagePorts]) =>
- _blink.Blink_DOMWindowCrossFrame.postMessage(this, message, targetOrigin, messagePorts);
-
- // Implementation support.
- String get typeName => "Window";
-
- // TODO(efortuna): Remove this method. dartbug.com/16814
- Events get on => throw new UnsupportedError(
- 'You can only attach EventListeners to your own window.');
- // TODO(efortuna): Remove this method. dartbug.com/16814
- void _addEventListener([String type, EventListener listener, bool useCapture])
- => throw new UnsupportedError(
- 'You can only attach EventListeners to your own window.');
- // TODO(efortuna): Remove this method. dartbug.com/16814
- void addEventListener(String type, EventListener listener, [bool useCapture])
- => throw new UnsupportedError(
- 'You can only attach EventListeners to your own window.');
- // TODO(efortuna): Remove this method. dartbug.com/16814
- bool dispatchEvent(Event event) => throw new UnsupportedError(
- 'You can only attach EventListeners to your own window.');
- // TODO(efortuna): Remove this method. dartbug.com/16814
- void _removeEventListener([String type, EventListener listener,
- bool useCapture]) => throw new UnsupportedError(
- 'You can only attach EventListeners to your own window.');
- // TODO(efortuna): Remove this method. dartbug.com/16814
- void removeEventListener(String type, EventListener listener,
- [bool useCapture]) => throw new UnsupportedError(
- 'You can only attach EventListeners to your own window.');
-}
-
-class _HistoryCrossFrame extends NativeFieldWrapperClass2 implements HistoryBase {
- _HistoryCrossFrame.internal();
-
- // Methods.
- void back() => _blink.Blink_HistoryCrossFrame.back(this);
- void forward() => _blink.Blink_HistoryCrossFrame.forward(this);
- void go(int distance) => _blink.Blink_HistoryCrossFrame.go(this, distance);
-
- // Implementation support.
- String get typeName => "History";
-}
-
-class _LocationCrossFrame extends NativeFieldWrapperClass2 implements LocationBase {
- _LocationCrossFrame.internal();
-
- // Fields.
- void set href(String h) => _blink.Blink_LocationCrossFrame.set_href(this, h);
-
- // Implementation support.
- String get typeName => "Location";
-}
-
-class _DOMStringMap extends NativeFieldWrapperClass2 implements Map<String, String> {
- _DOMStringMap.internal();
-
- bool containsValue(String value) => Maps.containsValue(this, value);
- bool containsKey(String key) => _blink.Blink_DOMStringMap.containsKey(this, key);
- String operator [](String key) => _blink.Blink_DOMStringMap.item(this, key);
- void operator []=(String key, String value) => _blink.Blink_DOMStringMap.setItem(this, key, value);
- String putIfAbsent(String key, String ifAbsent()) => Maps.putIfAbsent(this, key, ifAbsent);
- String remove(String key) => _blink.Blink_DOMStringMap.remove(this, key);
- void clear() => Maps.clear(this);
- void forEach(void f(String key, String value)) => Maps.forEach(this, f);
- Iterable<String> get keys => _blink.Blink_DOMStringMap.get_keys(this);
- Iterable<String> get values => Maps.getValues(this);
- int get length => Maps.length(this);
- bool get isEmpty => Maps.isEmpty(this);
- bool get isNotEmpty => Maps.isNotEmpty(this);
- void addAll(Map<String, String> other) {
- other.forEach((key, value) => this[key] = value);
- }
-}
-
-final _printClosure = (s) => window.console.log(s);
-final _pureIsolatePrintClosure = (s) {
- throw new UnimplementedError("Printing from a background isolate "
- "is not supported in the browser");
-};
-
-final _forwardingPrintClosure = _Utils.forwardingPrint;
-
-final _uriBaseClosure = () => Uri.parse(window.location.href);
-
-final _pureIsolateUriBaseClosure = () {
- throw new UnimplementedError("Uri.base on a background isolate "
- "is not supported in the browser");
-};
-
-class _Timer implements Timer {
- static const int _STATE_TIMEOUT = 0;
- static const int _STATE_INTERVAL = 1;
- int _state;
-
- _Timer(int milliSeconds, void callback(Timer timer), bool repeating) {
- if (repeating) {
- _state = (window._setInterval(() {
- callback(this);
- }, milliSeconds) << 1) | _STATE_INTERVAL;
- } else {
- _state = (window._setTimeout(() {
- _state = null;
- callback(this);
- }, milliSeconds) << 1) | _STATE_TIMEOUT;
- }
- }
-
- void cancel() {
- if (_state == null) return;
- int id = _state >> 1;
- if ((_state & 1) == _STATE_TIMEOUT) {
- window._clearTimeout(id);
- } else {
- window._clearInterval(id);
- }
- _state = null;
- }
-
- bool get isActive => _state != null;
-}
-
-get _timerFactoryClosure =>
- (int milliSeconds, void callback(Timer timer), bool repeating) {
- return new _Timer(milliSeconds, callback, repeating);
-};
-
-get _pureIsolateTimerFactoryClosure =>
- ((int milliSeconds, void callback(Timer time), bool repeating) =>
- throw new UnimplementedError("Timers on background isolates "
- "are not supported in the browser"));
-
-class _ScheduleImmediateHelper {
- MutationObserver _observer;
- final DivElement _div = new DivElement();
- Function _callback;
-
- _ScheduleImmediateHelper() {
- // Run in the root-zone as the DOM callback would otherwise execute in the
- // current zone.
- Zone.ROOT.run(() {
- // Mutation events get fired as soon as the current event stack is unwound
- // so we just make a dummy event and listen for that.
- _observer = new MutationObserver(_handleMutation);
- _observer.observe(_div, attributes: true);
- });
- }
-
- void _schedule(callback) {
- if (_callback != null) {
- throw new StateError(
- 'Only one immediate callback can be scheduled at once');
- }
- _callback = callback;
- // Toggle it to trigger the mutation event.
- _div.hidden = !_div.hidden;
- }
-
- _handleMutation(List<MutationRecord> mutations, MutationObserver observer) {
- var tmp = _callback;
- _callback = null;
- tmp();
- }
-}
-
-final _ScheduleImmediateHelper _scheduleImmediateHelper =
- new _ScheduleImmediateHelper();
-
-get _scheduleImmediateClosure => (void callback()) {
- _scheduleImmediateHelper._schedule(callback);
-};
-
-get _pureIsolateScheduleImmediateClosure => ((void callback()) =>
- throw new UnimplementedError("scheduleMicrotask in background isolates "
- "are not supported in the browser"));
-
-void _initializeCustomElement(Element e) {
- _Utils.initializeCustomElement(e);
-}
-
-// Class for unsupported native browser 'DOM' objects.
-class _UnsupportedBrowserObject extends NativeFieldWrapperClass2 {
-}
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