Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(1061)

Side by Side Diff: blimp/client/core/contents/ime_feature.h

Issue 2624903006: Remove all blimp client code. (Closed)
Patch Set: Update buildbot configuration Created 3 years, 11 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
(Empty)
1 // Copyright 2016 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 BLIMP_CLIENT_CORE_CONTENTS_IME_FEATURE_H_
6 #define BLIMP_CLIENT_CORE_CONTENTS_IME_FEATURE_H_
7
8 #include <map>
9 #include <string>
10
11 #include "base/macros.h"
12 #include "base/memory/weak_ptr.h"
13 #include "blimp/net/blimp_message_processor.h"
14 #include "ui/base/ime/text_input_type.h"
15
16 namespace blimp {
17 namespace client {
18
19 // Handles all incoming and outgoing protobuf messages for text input of type
20 // BlimpMessage::IME for blimp client.
21 // Upon receiving a text input request from the engine, the ImeFeature
22 // delegates the request to the appropriate Delegate to show IME along with a
23 // Callback bound with respective tab id and render widget id.
24 // Any time user taps on an input text, ImeMessage::SHOW_IME message will be
25 // sent to client. Similarly, any time the text input is out of focus (e.g. if
26 // user navigates away from the currently page or the page loads for the first
27 // time), ImeMessage::HIDE_IME will be sent.
28
29 class ImeFeature : public BlimpMessageProcessor {
30 public:
31 struct WebInputResponse;
32
33 // A callback to show IME.
34 using ShowImeCallback = base::Callback<void(const WebInputResponse&)>;
35
36 // A bundle of params required by the client.
37 struct WebInputRequest {
38 WebInputRequest();
39 ~WebInputRequest();
40
41 ui::TextInputType input_type;
42 std::string text;
43 ShowImeCallback show_ime_callback;
44 };
45
46 // A bundle of params to be sent to the engine.
47 struct WebInputResponse {
48 WebInputResponse();
49 ~WebInputResponse() = default;
50
51 std::string text;
52 bool submit;
53 };
54
55 // A delegate to be notified of text input requests.
56 class Delegate {
57 public:
58 virtual ~Delegate() {}
59 virtual void OnShowImeRequested(const WebInputRequest& request) = 0;
60 virtual void OnHideImeRequested() = 0;
61 };
62
63 ImeFeature();
64 ~ImeFeature() override;
65
66 // Set the BlimpMessageProcessor that will be used to send BlimpMessage::IME
67 // messages to the engine.
68 void set_outgoing_message_processor(
69 std::unique_ptr<BlimpMessageProcessor> processor) {
70 outgoing_message_processor_ = std::move(processor);
71 }
72
73 // Sets a Delegate to be notified of all text input messages.
74 // There must be a valid non-null Delegate set before routing messages
75 // to the ImeFeature for processing, until the last message is processed.
76 void set_delegate(Delegate* delegate) { delegate_ = delegate; }
77
78 // BlimpMessageProcessor implementation.
79 void ProcessMessage(std::unique_ptr<BlimpMessage> message,
80 const net::CompletionCallback& callback) override;
81
82 private:
83 // Sends text from IME to the blimp engine.
84 void OnImeTextEntered(int tab_id,
85 int render_widget_id,
86 const WebInputResponse& response);
87
88 // Used to actually show or hide the IME. See notes on |set_delegate|.
89 Delegate* delegate_ = nullptr;
90
91 // Used to send BlimpMessage::IME messages to the engine.
92 std::unique_ptr<BlimpMessageProcessor> outgoing_message_processor_;
93
94 base::WeakPtrFactory<ImeFeature> weak_factory_;
95
96 DISALLOW_COPY_AND_ASSIGN(ImeFeature);
97 };
98
99 } // namespace client
100 } // namespace blimp
101
102 #endif // BLIMP_CLIENT_CORE_CONTENTS_IME_FEATURE_H_
OLDNEW
« no previous file with comments | « blimp/client/core/contents/fake_navigation_feature.cc ('k') | blimp/client/core/contents/ime_feature.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698