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374a768d5b
Before this if a dart import 404s, we crash. This makes some minor improvements in our logging for better diagnosis of future errors. R=abarth@chromium.org BUG= Review URL: https://codereview.chromium.org/926753002
72 lines
2.4 KiB
C++
72 lines
2.4 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_CORE_SCRIPT_DART_LOADER_H_
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#define SKY_ENGINE_CORE_SCRIPT_DART_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 DartState;
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class DartDependency;
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class DartDependencyCatcher;
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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 DartLoader {
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public:
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explicit DartLoader(DartState* dart_state);
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~DartLoader();
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// TODO(dart): This can be called both on the main thread from application isolates
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// 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 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_.get(); }
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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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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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base::WeakPtr<DartState> dart_state_;
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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(DartLoader);
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_SCRIPT_DART_LOADER_H_
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