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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #ifndef WebMessagePortChannelClient_h | 31 #ifndef WebMessagePortChannelClient_h |
32 #define WebMessagePortChannelClient_h | 32 #define WebMessagePortChannelClient_h |
33 | 33 |
| 34 #include <v8.h> |
| 35 |
34 namespace blink { | 36 namespace blink { |
35 | 37 |
36 // Provides an interface for users of WebMessagePortChannel to be notified | 38 // Provides an interface for users of WebMessagePortChannel to be notified |
37 // when messages are available. | 39 // when messages are available. This also gives users of WebMessagePortChannel |
| 40 // access to the V8 Context this message port lives in. |
38 class WebMessagePortChannelClient { | 41 class WebMessagePortChannelClient { |
39 public: | 42 public: |
40 // Alerts that new messages have arrived, which are retrieved by calling | 43 // Alerts that new messages have arrived, which are retrieved by calling |
41 // WebMessagePortChannel::tryGetMessage. Note that this may be called | 44 // WebMessagePortChannel::tryGetMessage. Note that this may be called |
42 // on any thread. | 45 // on any thread. |
43 virtual void messageAvailable() = 0; | 46 virtual void messageAvailable() = 0; |
44 | 47 |
| 48 // Returns the V8 isolate this message port lives in. |
| 49 // Do not rely on this API, it is only exposed so content code can convert |
| 50 // messages to base::Value, and will be removed when this conversion can be |
| 51 // integrated into blink itself. |
| 52 virtual v8::Isolate* scriptIsolate() = 0; |
| 53 |
| 54 // Returns a V8 context messages sent to this port can be (de)serialized in. |
| 55 // Can return null if no valid V8 context could be determined. |
| 56 // Do not rely on this API, it is only exposed so content code can convert |
| 57 // messages to base::Value, and will be removed when this conversion can be |
| 58 // integrated into blink itself. |
| 59 // FIXME: Remove this method when no longer needed (http://crbug.com/461906) |
| 60 virtual v8::Local<v8::Context> scriptContextForMessageConversion() = 0; |
| 61 |
45 protected: | 62 protected: |
46 ~WebMessagePortChannelClient() { } | 63 ~WebMessagePortChannelClient() { } |
47 }; | 64 }; |
48 | 65 |
49 } // namespace blink | 66 } // namespace blink |
50 | 67 |
51 #endif | 68 #endif |
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