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| 1 /* |
| 2 * Copyright 2013 Google Inc. |
| 3 * |
| 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. |
| 7 * |
| 8 */ |
| 9 |
| 10 #ifndef SkV8Example_Global_DEFINED |
| 11 #define SkV8Example_Global_DEFINED |
| 12 |
| 13 #include <v8.h> |
| 14 |
| 15 using namespace v8; |
| 16 |
| 17 #include "SkTypes.h" |
| 18 #include "SkEvent.h" |
| 19 |
| 20 class SkOSWindow; |
| 21 |
| 22 // Provides the global isolate and context for our V8 instance. |
| 23 // Also implements all the global level functions. |
| 24 class Global : SkNoncopyable { |
| 25 public: |
| 26 Global(Isolate* isolate) |
| 27 : fIsolate(isolate) |
| 28 , fWindow(NULL) |
| 29 { |
| 30 gGlobal = this; |
| 31 } |
| 32 virtual ~Global() {} |
| 33 |
| 34 // The script will be parsed into the context this Global contains. |
| 35 bool parseScript(const char script[]); |
| 36 |
| 37 Local<Context> getContext() { |
| 38 return Local<Context>::New(fIsolate, fContext); |
| 39 } |
| 40 |
| 41 Isolate* getIsolate() { |
| 42 return fIsolate; |
| 43 } |
| 44 |
| 45 void setWindow(SkOSWindow* win) { |
| 46 fWindow = win; |
| 47 } |
| 48 SkOSWindow* getWindow() { |
| 49 return fWindow; |
| 50 } |
| 51 |
| 52 void reportException(TryCatch* tryCatch); |
| 53 |
| 54 private: |
| 55 Handle<Context> createRootContext(); |
| 56 |
| 57 static bool TimeOutProc(const SkEvent& evt); |
| 58 |
| 59 // Static functions that implement the global JS functions we add to |
| 60 // the context. |
| 61 static void SetTimeout(const v8::FunctionCallbackInfo<v8::Value>& args); |
| 62 static void Print(const v8::FunctionCallbackInfo<v8::Value>& args); |
| 63 static void Inval(const v8::FunctionCallbackInfo<Value>& args); |
| 64 |
| 65 Persistent<Context> fContext; |
| 66 Isolate* fIsolate; |
| 67 SkOSWindow* fWindow; |
| 68 static Global* gGlobal; |
| 69 |
| 70 // Handle to the function to call when the timeout triggers. |
| 71 Persistent<Function> fTimeout; |
| 72 }; |
| 73 |
| 74 #endif |
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