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This CL factors the network interactions out of DartLoader into a DartLibraryProvider interface, paving the way for other library providers (e.g., offline). As part of this CL, I've renamed DartLoader to DartLibraryLoader and moved the class into tonic, where it can't have any direct network dependencies. R=eseidel@chromium.org Review URL: https://codereview.chromium.org/1202283004.
84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef SKY_ENGINE_TONIC_DART_LIBRARY_LOADER_H_
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#define SKY_ENGINE_TONIC_DART_LIBRARY_LOADER_H_
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#include "base/callback_forward.h"
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#include "base/macros.h"
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#include "base/memory/weak_ptr.h"
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#include "dart/runtime/include/dart_api.h"
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#include "sky/engine/wtf/HashMap.h"
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#include "sky/engine/wtf/HashSet.h"
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#include "sky/engine/wtf/OwnPtr.h"
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#include "sky/engine/wtf/Vector.h"
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#include "sky/engine/wtf/text/WTFString.h"
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namespace blink {
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class DartDependency;
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class DartDependencyCatcher;
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class DartLibraryProvider;
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class DartState;
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// TODO(abarth): This class seems more complicated than it needs to be. Is
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// there some way of simplifying this system? For example, we have a bunch
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// of inner classes that could potentially be factored out in some other way.
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class DartLibraryLoader {
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public:
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explicit DartLibraryLoader(DartState* dart_state);
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~DartLibraryLoader();
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// TODO(dart): This can be called both on the main thread from application
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// solates or from the handle watcher isolate thread.
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static Dart_Handle HandleLibraryTag(Dart_LibraryTag tag,
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Dart_Handle library,
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Dart_Handle url);
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void LoadLibrary(const String& name);
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void WaitForDependencies(const HashSet<DartDependency*>& dependencies,
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const base::Closure& callback);
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void set_dependency_catcher(DartDependencyCatcher* dependency_catcher) {
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DCHECK(!dependency_catcher_ || !dependency_catcher);
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dependency_catcher_ = dependency_catcher;
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}
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DartState* dart_state() const { return dart_state_; }
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DartLibraryProvider* library_provider() const { return library_provider_; }
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// The |DartLibraryProvider| must outlive the |DartLibraryLoader|.
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void set_library_provider(DartLibraryProvider* library_provider) {
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library_provider_ = library_provider;
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}
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private:
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class Job;
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class ImportJob;
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class SourceJob;
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class DependencyWatcher;
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class WatcherSignaler;
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Dart_Handle Import(Dart_Handle library, Dart_Handle url);
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Dart_Handle Source(Dart_Handle library, Dart_Handle url);
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Dart_Handle CanonicalizeURL(Dart_Handle library, Dart_Handle url);
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void DidCompleteImportJob(ImportJob* job, const Vector<uint8_t>& buffer);
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void DidCompleteSourceJob(SourceJob* job, const Vector<uint8_t>& buffer);
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void DidFailJob(Job* job);
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DartState* dart_state_;
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DartLibraryProvider* library_provider_;
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HashMap<String, Job*> pending_libraries_;
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HashSet<OwnPtr<Job>> jobs_;
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HashSet<OwnPtr<DependencyWatcher>> dependency_watchers_;
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DartDependencyCatcher* dependency_catcher_;
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DISALLOW_COPY_AND_ASSIGN(DartLibraryLoader);
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};
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} // namespace blink
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#endif // SKY_ENGINE_TONIC_DART_LIBRARY_LOADER_H_
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