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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // This file contains definitions for CppBoundClass | 5 // This file contains definitions for CppBoundClass |
| 6 | 6 |
| 7 // Here's the control flow of a JS method getting forwarded to a class. | 7 // Here's the control flow of a JS method getting forwarded to a class. |
| 8 // - Something calls our NPObject with a function like "Invoke". | 8 // - Something calls our NPObject with a function like "Invoke". |
| 9 // - CppNPObject's static invoke() function forwards it to its attached | 9 // - CppNPObject's static invoke() function forwards it to its attached |
| 10 // CppBoundClass's Invoke() method. | 10 // CppBoundClass's Invoke() method. |
| 11 // - CppBoundClass has then overridden Invoke() to look up the function | 11 // - CppBoundClass has then overridden Invoke() to look up the function |
| 12 // name in its internal map of methods, and then calls the appropriate | 12 // name in its internal map of methods, and then calls the appropriate |
| 13 // method. | 13 // method. |
| 14 | 14 |
| 15 #include "webkit/glue/cpp_bound_class.h" |
| 16 |
| 15 #include "base/compiler_specific.h" | 17 #include "base/compiler_specific.h" |
| 16 #include "base/logging.h" | 18 #include "base/logging.h" |
| 17 #include "base/stl_util.h" | 19 #include "base/stl_util.h" |
| 18 #include "base/utf_string_conversions.h" | 20 #include "base/utf_string_conversions.h" |
| 19 #include "third_party/WebKit/Source/Platform/chromium/public/WebString.h" | 21 #include "third_party/WebKit/Source/Platform/chromium/public/WebString.h" |
| 20 #include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h" | 22 #include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h" |
| 21 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h" | 23 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h" |
| 22 #include "webkit/glue/cpp_bound_class.h" | |
| 23 | 24 |
| 24 using WebKit::WebBindings; | 25 using WebKit::WebBindings; |
| 25 using WebKit::WebFrame; | 26 using WebKit::WebFrame; |
| 26 | 27 |
| 27 namespace webkit_glue { | 28 namespace webkit_glue { |
| 28 | 29 |
| 29 namespace { | 30 namespace { |
| 30 | 31 |
| 31 class CppVariantPropertyCallback : public CppBoundClass::PropertyCallback { | 32 class CppVariantPropertyCallback : public CppBoundClass::PropertyCallback { |
| 32 public: | 33 public: |
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| 316 const std::string& classname) { | 317 const std::string& classname) { |
| 317 // BindToWindowObject will take its own reference to the NPObject, and clean | 318 // BindToWindowObject will take its own reference to the NPObject, and clean |
| 318 // up after itself. It will also (indirectly) register the object with V8, | 319 // up after itself. It will also (indirectly) register the object with V8, |
| 319 // so we must remember this so we can unregister it when we're destroyed. | 320 // so we must remember this so we can unregister it when we're destroyed. |
| 320 frame->bindToWindowObject(ASCIIToUTF16(classname), | 321 frame->bindToWindowObject(ASCIIToUTF16(classname), |
| 321 NPVARIANT_TO_OBJECT(*GetAsCppVariant())); | 322 NPVARIANT_TO_OBJECT(*GetAsCppVariant())); |
| 322 bound_to_frame_ = true; | 323 bound_to_frame_ = true; |
| 323 } | 324 } |
| 324 | 325 |
| 325 } // namespace webkit_glue | 326 } // namespace webkit_glue |
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