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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef GIN_DEFAULT_RUNNER_H_ |
| 6 #define GIN_DEFAULT_RUNNER_H_ |
| 7 |
| 8 #include "gin/runner.h" |
| 9 |
| 10 namespace gin { |
| 11 |
| 12 class ContextHolder; |
| 13 class ShellRunner; |
| 14 class TryCatch; |
| 15 |
| 16 // Subclass ShellRunnerDelegate to customize the behavior of ShellRunner. |
| 17 // Typical embedders will want to subclass one of the specialized |
| 18 // ShellRunnerDelegates, such as ModuleRunnerDelegate. |
| 19 class GIN_EXPORT ShellRunnerDelegate { |
| 20 public: |
| 21 ShellRunnerDelegate(); |
| 22 virtual ~ShellRunnerDelegate(); |
| 23 |
| 24 // Returns the template for the global object. |
| 25 virtual v8::Handle<v8::ObjectTemplate> GetGlobalTemplate( |
| 26 ShellRunner* runner, |
| 27 v8::Isolate* isolate); |
| 28 virtual void DidCreateContext(ShellRunner* runner); |
| 29 virtual void WillRunScript(ShellRunner* runner); |
| 30 virtual void DidRunScript(ShellRunner* runner); |
| 31 virtual void UnhandledException(ShellRunner* runner, TryCatch& try_catch); |
| 32 }; |
| 33 |
| 34 // ShellRunner executes the script/functions directly in a v8::Context. |
| 35 // ShellRunner owns a ContextHolder and v8::Context, both of which are destroyed |
| 36 // when the ShellRunner is deleted. |
| 37 class GIN_EXPORT ShellRunner : public Runner { |
| 38 public: |
| 39 ShellRunner(ShellRunnerDelegate* delegate, v8::Isolate* isolate); |
| 40 virtual ~ShellRunner(); |
| 41 |
| 42 // Before running script in this context, you'll need to enter the runner's |
| 43 // context by creating an instance of Runner::Scope on the stack. |
| 44 |
| 45 // Runner overrides: |
| 46 virtual void Run(const std::string& source, |
| 47 const std::string& resource_name) OVERRIDE; |
| 48 virtual v8::Handle<v8::Value> Call(v8::Handle<v8::Function> function, |
| 49 v8::Handle<v8::Value> receiver, |
| 50 int argc, |
| 51 v8::Handle<v8::Value> argv[]) OVERRIDE; |
| 52 virtual ContextHolder* GetContextHolder() OVERRIDE; |
| 53 |
| 54 private: |
| 55 friend class Scope; |
| 56 |
| 57 void Run(v8::Handle<v8::Script> script); |
| 58 |
| 59 ShellRunnerDelegate* delegate_; |
| 60 |
| 61 scoped_ptr<ContextHolder> context_holder_; |
| 62 |
| 63 DISALLOW_COPY_AND_ASSIGN(ShellRunner); |
| 64 }; |
| 65 |
| 66 } // namespace gin |
| 67 |
| 68 #endif // GIN_DEFAULT_RUNNER_H_ |
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