OLD | NEW |
---|---|
(Empty) | |
1 // Copyright 2017 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 CONTENT_BROWSER_ANDROID_CONTEXT_SELECTION_CLIENT_H_ | |
6 #define CONTENT_BROWSER_ANDROID_CONTEXT_SELECTION_CLIENT_H_ | |
7 | |
8 #include <jni.h> | |
9 | |
10 #include "base/android/jni_weak_ref.h" | |
11 #include "base/macros.h" | |
12 #include "base/memory/weak_ptr.h" | |
13 #include "base/strings/string16.h" | |
14 | |
15 namespace content { | |
16 | |
17 class WebContents; | |
18 | |
19 // The native portion of Java ContextSelectionClient. | |
20 // This class performs one operation: retrieves the selected text together with | |
21 // its surrounding context from WebContents. This surrounding text is obtained | |
22 // asynchronously from the current focused frame and passed back to Java layer. | |
23 class ContextSelectionClient { | |
24 public: | |
25 ContextSelectionClient(JNIEnv* env, | |
26 const base::android::JavaRef<jobject>& obj, | |
27 WebContents* web_contents); | |
28 | |
29 // Sends asynchronius request to retrieve the text. | |
30 void RequestSurroundingText(JNIEnv* env, | |
31 const base::android::JavaParamRef<jobject>& obj, | |
32 int num_extra_characters, | |
33 int callback_data); | |
34 | |
35 // Cancels all pending requests. | |
36 void CancelAllRequests(JNIEnv* env, | |
37 const base::android::JavaParamRef<jobject>& obj); | |
38 | |
39 private: | |
40 class UserData; | |
Ted C
2017/03/30 00:12:39
Ah...I was thinking this didn't need to be an inne
Tima Vaisburd
2017/03/30 01:03:13
Done.
| |
41 friend class UserData; | |
42 | |
43 ~ContextSelectionClient(); | |
44 | |
45 void OnSurroundingTextReceived(int callback_data, | |
46 const base::string16& text, | |
47 int start, | |
48 int end); | |
49 | |
50 // A weak reference to the Java ContentSelectionClient object. | |
51 JavaObjectWeakGlobalRef java_ref_; | |
52 | |
53 // WebContents is used to find the relevant RenderFrameHost that can send | |
54 // the request for the text. | |
55 WebContents* web_contents_; | |
56 | |
57 base::WeakPtrFactory<ContextSelectionClient> weak_ptr_factory_; | |
58 | |
59 DISALLOW_COPY_AND_ASSIGN(ContextSelectionClient); | |
60 }; | |
61 | |
62 bool RegisterContextSelectionClient(JNIEnv* env); | |
63 | |
64 } // namespace content | |
65 | |
66 #endif // CONTENT_BROWSER_ANDROID_CONTEXT_SELECTION_CLIENT_H_ | |
OLD | NEW |