Things to unfork.

Source/WebCore/bindings/dart/DartApplicationLoader.cpp

Index: Source/WebCore/bindings/dart/DartApplicationLoader.cpp
diff --git a/Source/WebCore/bindings/dart/DartApplicationLoader.cpp b/Source/WebCore/bindings/dart/DartApplicationLoader.cpp
deleted file mode 100644
index 41310c3594d30797663f85cd46f1f679538a8f4e..0000000000000000000000000000000000000000
--- a/Source/WebCore/bindings/dart/DartApplicationLoader.cpp
+++ /dev/null
@@ -1,338 +0,0 @@
-// Copyright (c) 2009, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include "config.h"
-#include "DartApplicationLoader.h"
-
-#include "CachedResourceClient.h"
-#include "CachedResourceLoader.h"
-#include "DOMWindow.h"
-#include "DartDOMWrapper.h"
-#include "DartIsolateState.h"
-#include "DartUtilities.h"
-#include "Document.h"
-#include "Frame.h"
-#include "ScriptCallStack.h"
-#include "ScriptSourceCode.h"
-
-#include <dart_api.h>
-
-namespace WebCore {
-
-DartApplicationLoader::DartApplicationLoader(Document* document)
-    : m_document(document)
-    , m_libraryUrl()
-    , m_importedLibraries()
-    , m_importersForSource()
-    , m_sources()
-    , m_mainScriptHasBeenLoaded(false)
-{
-}
-
-void DartApplicationLoader::load(const String& url, const String& source)
-{
-    DartApiScope dartApiScope;
-
-    if (m_importedLibraries.isEmpty() && m_importersForSource.isEmpty())
-        loadScript(url, source);
-    else {
-        if (m_importedLibraries.contains(url)) {
-            loadLibrary(url, source);
-            m_importedLibraries.remove(url);
-        }
-
-        if (m_importersForSource.contains(url)) {
-            loadSource(url, source);
-            m_importersForSource.remove(url);
-        }
-    }
-
-    m_sources.add(url, source);
-
-    if (m_importedLibraries.isEmpty() && m_importersForSource.isEmpty() && m_mainScriptHasBeenLoaded)
-        callEntryPoint();
-}
-
-void DartApplicationLoader::importBuiltinLibrary(const String& url, const String& source)
-{
-    Dart_Handle result = Dart_LoadLibrary(DartUtilities::stringToDartString(url), DartUtilities::stringToDartString(source));
-    if (Dart_IsError(result)) {
-        DartUtilities::reportProblem(m_document, result);
-        return;
-    }
-    m_sources.add(url, source);
-}
-
-IsolateToDartApplicationLoaderMap& isolateToDartApplicationLoaderMap()
-{
-    DEFINE_STATIC_LOCAL(IsolateToDartApplicationLoaderMap, map, ());
-    return map;
-}
-
-static DartApplicationLoader* currentAppLoader()
-{
-    IsolateToDartApplicationLoaderMap::iterator it = isolateToDartApplicationLoaderMap().find(Dart_CurrentIsolate());
-    ASSERT(it != isolateToDartApplicationLoaderMap().end());
-    return it->second;
-}
-
-template <class Loader>
-class ScriptLoader {
-public:
-    static void loadScript(const String& url, const String& source, ScriptExecutionContext* context)
-    {
-        Dart_Handle result = Dart_LoadScript(
-            DartUtilities::stringToDartString(url),
-            DartUtilities::stringToDartString(source),
-            &handler);
-        if (Dart_IsError(result))
-            DartUtilities::reportProblem(context, result);
-    }
-
-private:
-    static Dart_Handle handler(Dart_LibraryTag tag, Dart_Handle library, Dart_Handle urlHandle)
-    {
-        ASSERT(Dart_IsLibrary(library));
-
-        String url = DartUtilities::dartStringToString(urlHandle);
-
-        Dart_Handle libraryURLHandle = Dart_LibraryUrl(library);
-        ASSERT(!Dart_IsError(libraryURLHandle));
-        const String libraryURL = DartUtilities::dartStringToString(libraryURLHandle);
-
-        if (tag == kCanonicalizeUrl) {
-            const KURL canonical = KURL(KURL(KURL(), libraryURL), url);
-            return DartUtilities::stringToDartString(canonical.string());
-        }
-
-        return Loader::load(tag, library, libraryURL, url);
-    }
-};
-
-struct InitialLoader {
-    static Dart_Handle load(Dart_LibraryTag tag, Dart_Handle library, const String& libraryUrl, const String& importedUrl)
-    {
-        currentAppLoader()->triggerImport(libraryUrl, importedUrl, tag);
-        return Dart_NewBoolean(true);
-    }
-};
-
-void DartApplicationLoader::loadScript(const String& url, const String& source)
-{
-    ASSERT(m_importedLibraries.isEmpty());
-    ASSERT(m_importersForSource.isEmpty());
-    m_libraryUrl = url;
-    ScriptLoader<InitialLoader>::loadScript(url, source, m_document);
-    m_mainScriptHasBeenLoaded = true;
-}
-
-void DartApplicationLoader::loadSource(const String& url, const String& source)
-{
-    ASSERT(m_importersForSource.contains(url));
-    const UrlSet* importers = m_importersForSource.find(url)->second;
-    Dart_Handle dartUrl = DartUtilities::stringToDartString(url);
-    Dart_Handle dartSource = DartUtilities::stringToDartString(source);
-    for (UrlSet::iterator iter = importers->begin(); iter != importers->end(); ++iter) {
-        Dart_Handle library = Dart_LookupLibrary(DartUtilities::stringToDartString(*iter));
-        if (Dart_IsError(library)) {
-            DartUtilities::reportProblem(m_document, library);
-            return;
-        }
-        Dart_Handle result = Dart_LoadSource(library, dartUrl, dartSource);
-        if (Dart_IsError(result)) {
-            DartUtilities::reportProblem(m_document, result);
-            return;
-        }
-    }
-}
-
-void DartApplicationLoader::loadLibrary(const String& url, const String& source)
-{
-    ASSERT(m_importedLibraries.contains(url));
-    Dart_Handle result = Dart_LoadLibrary(DartUtilities::stringToDartString(url), DartUtilities::stringToDartString(source));
-    if (Dart_IsError(result))
-        DartUtilities::reportProblem(m_document, result);
-}
-
-void DartApplicationLoader::callEntryPoint()
-{
-    ASSERT(m_document->readyState() != "loading");
-    Dart_Handle result = Dart_InvokeStatic(topLevelLibrary(), Dart_NewString(""), Dart_NewString("main"), 0, 0);
-    if (Dart_IsError(result))
-        DartUtilities::reportProblem(m_document, result);
-}
-
-Dart_Handle DartApplicationLoader::topLevelLibrary()
-{
-    Dart_Handle library = Dart_LookupLibrary(DartUtilities::stringToDartString(m_libraryUrl));
-    ASSERT(!Dart_IsError(library));
-    return library;
-}
-
-Dart_Handle DartApplicationLoader::domLibrary()
-{
-    Dart_Handle library = Dart_LookupLibrary(Dart_NewString(DartUtilities::domLibraryName));
-    ASSERT(!Dart_IsError(library));
-    return library;
-}
-
-class ScriptLoadCallback : public CachedResourceClient {
-public:
-    ScriptLoadCallback(DartApplicationLoader* loader, CachedScript* cachedScript, Dart_Isolate isolate)
-        : m_loader(loader)
-        , m_cachedScript(cachedScript)
-        , m_isolate(isolate)
-    {
-    }
-
-    virtual void notifyFinished(CachedResource* cachedResource)
-    {
-        ASSERT(cachedResource->type() == CachedResource::Script);
-        ASSERT(cachedResource == m_cachedScript.get());
-        ASSERT(WTF::isMainThread());
-
-        if (cachedResource->errorOccurred())
-            m_loader->scriptLoadError(cachedResource->url());
-        else if (cachedResource->wasCanceled()) {
-            // FIXME: shall we let VM know, so it can inform application some of its
-            // resources cannot be loaded?
-        } else {
-            // FIXME: we can get rid of imported libs and sources map.
-            ScriptSourceCode sourceCode(m_cachedScript.get());
-            DartIsolateState::Scope scope(m_isolate);
-            m_loader->load(sourceCode.url(), sourceCode.source());
-        }
-
-        m_cachedScript->removeClient(this);
-        delete this;
-    }
-
- private:
-    RefPtr<DartApplicationLoader> m_loader;
-    CachedResourceHandle<CachedScript> m_cachedScript;
-    Dart_Isolate m_isolate;
-};
-
-void DartApplicationLoader::triggerImport(const String& libraryUrl, const String& importedUrl, Dart_LibraryTag tag)
-{
-    ASSERT(importedUrl != "dart:dom");
-    ASSERT(importedUrl != "dart:json");
-    ASSERT(importedUrl != "dart:html");
-    ASSERT(importedUrl != "dart:htmlimpl");
-
-    // Record the importer.
-    if (tag == kImportTag)
-        m_importedLibraries.add(importedUrl);
-    else if (tag == kSourceTag)
-        add(m_importersForSource, importedUrl, libraryUrl);
-    else
-        ASSERT_NOT_REACHED();
-
-    loadScriptResource(importedUrl);
-}
-
-void DartApplicationLoader::loadScriptResource(const String& url)
-{
-    // Request loading of script dependencies.
-    CachedResourceLoader* loader = m_document->cachedResourceLoader();
-    ResourceRequest request(m_document->completeURL(url));
-    // FIXME: what about charset for this script, maybe use charset of initial script tag?
-    CachedScript* cachedScript = loader->requestScript(request, "utf-8");
-    if (cachedScript)
-        cachedScript->addClient(new ScriptLoadCallback(this, cachedScript, Dart_CurrentIsolate()));
-    else
-        scriptLoadError(KURL(KURL(), url));
-}
-
-void DartApplicationLoader::scriptLoadError(const KURL& url)
-{
-    // FIXME: source file info (must be captured when requesting resource).
-    String sourceFile = "FIXME";
-    // FIXME: line number info (must be captured when requesting resource).
-    int lineNumber = 0;
-    // FIXME: call stack info (must be captured when requesting resource).
-    RefPtr<ScriptCallStack> callStack;
-    String errorMessage = "Cannot load Dart script " + url.string();
-    m_document->reportException(errorMessage, lineNumber, sourceFile, callStack);
-    // FIXME: shall we let VM know, so it can inform application some of its
-    // resources cannot be loaded?
-}
-
-Dart_Handle DartApplicationLoader::reinject(Dart_Handle library, const String& libraryUrl, const String& importedUrl, Dart_LibraryTag tag)
-{
-    ASSERT(m_sources.contains(importedUrl));
-    const String& source = m_sources.get(importedUrl);
-
-    Dart_Handle dartSource = DartUtilities::stringToDartString(source);
-    if (tag == kImportTag) {
-        Dart_Handle result = Dart_LoadLibrary(DartUtilities::stringToDartString(importedUrl), dartSource);
-        if (Dart_IsError(result))
-            return result;
-    } else if (tag == kSourceTag) {
-        Dart_Handle result = Dart_LoadSource(library, DartUtilities::stringToDartString(importedUrl), dartSource);
-        if (Dart_IsError(result))
-            return result;
-    } else
-        ASSERT_NOT_REACHED();
-
-    return Dart_NewBoolean(true);
-}
-
-void DartApplicationLoader::add(UrlMultiMap& map, const String& key, const String& value)
-{
-    // We should never have a self dependence.
-    ASSERT(key != value);
-    UrlMultiMap::iterator iter = map.find(key);
-    if (iter == map.end())
-        iter = map.add(key, new UrlSet()).first;
-    UrlSet* set = iter->second;
-    set->add(value);
-}
-
-struct ReinjectLoader {
-    static Dart_Handle load(Dart_LibraryTag tag, Dart_Handle library, const String& libraryUrl, const String& importedUrl)
-    {
-        return currentAppLoader()->reinject(library, libraryUrl, importedUrl, tag);
-    }
-};
-
-void DartApplicationLoader::reinjectSources()
-{
-    ASSERT(!isLoadingMainIsolate());
-
-    // FIXME: propagate flags as well.
-
-    // Set proper dart loader for child isolate.
-    isolateToDartApplicationLoaderMap().set(Dart_CurrentIsolate(), this);
-
-    ASSERT(m_sources.contains(m_libraryUrl));
-    ScriptLoader<ReinjectLoader>::loadScript(m_libraryUrl, m_sources.get(m_libraryUrl), m_document);
-}
-
-}