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1 // Copyright 2015 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 COMPONENTS_CONTEXTUAL_SEARCH_RENDERER_CONTEXTUAL_SEARCH_WRAPPER_H_ | |
6 #define COMPONENTS_CONTEXTUAL_SEARCH_RENDERER_CONTEXTUAL_SEARCH_WRAPPER_H_ | |
7 | |
8 #include "base/basictypes.h" | |
9 #include "components/contextual_search/common/contextual_search_js_api_service.m ojom.h" | |
10 #include "content/public/renderer/render_frame.h" | |
11 #include "content/public/renderer/render_frame_observer.h" | |
12 #include "gin/handle.h" | |
13 #include "gin/wrappable.h" | |
14 | |
15 namespace blink { | |
16 class WebFrame; | |
17 } | |
18 | |
19 namespace gin { | |
20 class Arguments; | |
21 } | |
22 | |
23 namespace contextual_search { | |
24 | |
25 // Wrapper for injecting Contextual Search JavaScript | |
26 // into a WebFrame. | |
27 class ContextualSearchWrapper : public gin::Wrappable<ContextualSearchWrapper>, | |
28 public content::RenderFrameObserver { | |
29 public: | |
30 // Installs Contextual Search JavaScript. | |
31 static void Install(content::RenderFrame* render_frame); | |
32 | |
33 // RenderFrameObserver implementation. | |
34 void OnDestruct() override; | |
35 | |
36 // Sets the Gin Handle being used to wrap this object. | |
37 void SetGinHandle(gin::Handle<ContextualSearchWrapper> wrapper); | |
jochen (gone - plz use gerrit)
2015/12/04 13:21:36
delete this
Donn Denman
2015/12/09 00:57:33
Done.
| |
38 | |
39 // Required by gin::Wrappable. | |
40 static gin::WrapperInfo kWrapperInfo; | |
41 | |
42 private: | |
43 // Instantiate by calling Install. | |
44 explicit ContextualSearchWrapper(content::RenderFrame* render_frame); | |
45 ~ContextualSearchWrapper() override; | |
46 | |
47 // gin::Wrappable. | |
48 gin::ObjectTemplateBuilder GetObjectTemplateBuilder( | |
49 v8::Isolate* isolate) final; | |
50 | |
51 // Called by JavaScript to set the caption , and indicate whether | |
52 // the caption provides an answer (e.g. an actual definition), rather than | |
53 // just general notification of what kind of answer may be available. | |
54 void SetCaption(const std::string& caption, bool does_answer); | |
55 | |
56 // Helper function to ensure that this class has connected to the API service. | |
57 void EnsureServiceConnected(); | |
58 | |
59 // The gin handle being used to wrap this object. | |
60 gin::Handle<ContextualSearchWrapper> gin_handle_; | |
jochen (gone - plz use gerrit)
2015/12/04 13:21:36
delete this
Donn Denman
2015/12/09 00:57:33
Done.
| |
61 | |
62 // The service to notify when API calls are made. | |
63 ContextualSearchJsApiServicePtr contextual_search_js_api_service_; | |
64 | |
65 DISALLOW_COPY_AND_ASSIGN(ContextualSearchWrapper); | |
66 }; | |
67 | |
68 } // namespace contextual_search | |
69 | |
70 #endif // COMPONENTS_CONTEXTUAL_SEARCH_RENDERER_CONTEXTUAL_SEARCH_WRAPPER_H_ | |
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