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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef COMPONENTS_AUTOFILL_RENDERER_PASSWORD_AUTOFILL_AGENT_H_ | |
6 #define COMPONENTS_AUTOFILL_RENDERER_PASSWORD_AUTOFILL_AGENT_H_ | |
7 | |
8 #include <map> | |
9 #include <vector> | |
10 | |
11 #include "base/memory/weak_ptr.h" | |
12 #include "components/autofill/common/password_form_fill_data.h" | |
13 #include "content/public/renderer/render_view_observer.h" | |
14 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputElement.h" | |
15 | |
16 namespace WebKit { | |
17 class WebInputElement; | |
18 class WebKeyboardEvent; | |
19 class WebView; | |
20 } | |
21 | |
22 namespace autofill { | |
23 | |
24 // This class is responsible for filling password forms. | |
25 // There is one PasswordAutofillAgent per RenderView. | |
26 class PasswordAutofillAgent : public content::RenderViewObserver { | |
27 public: | |
28 explicit PasswordAutofillAgent(content::RenderView* render_view); | |
29 virtual ~PasswordAutofillAgent(); | |
30 | |
31 // WebViewClient editor related calls forwarded by the RenderView. | |
32 // If they return true, it indicates the event was consumed and should not | |
33 // be used for any other autofill activity. | |
34 bool TextFieldDidEndEditing(const WebKit::WebInputElement& element); | |
35 bool TextDidChangeInTextField(const WebKit::WebInputElement& element); | |
36 bool TextFieldHandlingKeyDown(const WebKit::WebInputElement& element, | |
37 const WebKit::WebKeyboardEvent& event); | |
38 | |
39 // Fills the password associated with user name |value|. Returns true if the | |
40 // username and password fields were filled, false otherwise. | |
41 bool DidAcceptAutofillSuggestion(const WebKit::WebNode& node, | |
42 const WebKit::WebString& value); | |
43 // A no-op. No filling happens for selection. But this method returns | |
44 // true when |node| is fillable by password Autofill. | |
45 bool DidSelectAutofillSuggestion(const WebKit::WebNode& node); | |
46 // A no-op. Password forms are not previewed, so they do not need to be | |
47 // cleared when the selection changes. However, this method returns | |
48 // true when |node| is fillable by password Autofill. | |
49 bool DidClearAutofillSelection(const WebKit::WebNode& node); | |
50 // Shows an Autofill popup with username suggestions for |element|. | |
51 // Returns true if any suggestions were shown, false otherwise. | |
52 bool ShowSuggestions(const WebKit::WebInputElement& element); | |
53 | |
54 private: | |
55 friend class PasswordAutofillAgentTest; | |
56 | |
57 enum OtherPossibleUsernamesUsage { | |
58 NOTHING_TO_AUTOFILL, | |
59 OTHER_POSSIBLE_USERNAMES_ABSENT, | |
60 OTHER_POSSIBLE_USERNAMES_PRESENT, | |
61 OTHER_POSSIBLE_USERNAME_SHOWN, | |
62 OTHER_POSSIBLE_USERNAME_SELECTED, | |
63 OTHER_POSSIBLE_USERNAMES_MAX | |
64 }; | |
65 | |
66 struct PasswordInfo { | |
67 WebKit::WebInputElement password_field; | |
68 PasswordFormFillData fill_data; | |
69 bool backspace_pressed_last; | |
70 PasswordInfo() : backspace_pressed_last(false) {} | |
71 }; | |
72 typedef std::map<WebKit::WebElement, PasswordInfo> LoginToPasswordInfoMap; | |
73 | |
74 // RenderViewObserver: | |
75 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; | |
76 virtual void DidStartLoading() OVERRIDE; | |
77 virtual void DidFinishDocumentLoad(WebKit::WebFrame* frame) OVERRIDE; | |
78 virtual void DidFinishLoad(WebKit::WebFrame* frame) OVERRIDE; | |
79 virtual void FrameDetached(WebKit::WebFrame* frame) OVERRIDE; | |
80 virtual void FrameWillClose(WebKit::WebFrame* frame) OVERRIDE; | |
81 | |
82 // RenderView IPC handlers: | |
83 void OnFillPasswordForm(const PasswordFormFillData& form_data, | |
84 bool disable_popup); | |
85 | |
86 // Scans the given frame for password forms and sends them up to the browser. | |
87 // If |only_visible| is true, only forms visible in the layout are sent. | |
88 void SendPasswordForms(WebKit::WebFrame* frame, bool only_visible); | |
89 | |
90 void GetSuggestions(const PasswordFormFillData& fill_data, | |
91 const base::string16& input, | |
92 std::vector<base::string16>* suggestions); | |
93 | |
94 bool ShowSuggestionPopup(const PasswordFormFillData& fill_data, | |
95 const WebKit::WebInputElement& user_input); | |
96 | |
97 bool FillUserNameAndPassword( | |
98 WebKit::WebInputElement* username_element, | |
99 WebKit::WebInputElement* password_element, | |
100 const PasswordFormFillData& fill_data, | |
101 bool exact_username_match, | |
102 bool set_selection); | |
103 | |
104 // Fills |login_input| and |password| with the most relevant suggestion from | |
105 // |fill_data| and shows a popup with other suggestions. | |
106 void PerformInlineAutocomplete( | |
107 const WebKit::WebInputElement& username, | |
108 const WebKit::WebInputElement& password, | |
109 const PasswordFormFillData& fill_data); | |
110 | |
111 // Invoked when the passed frame is closing. Gives us a chance to clear any | |
112 // reference we may have to elements in that frame. | |
113 void FrameClosing(const WebKit::WebFrame* frame); | |
114 | |
115 // Finds login information for a |node| that was previously filled. | |
116 bool FindLoginInfo(const WebKit::WebNode& node, | |
117 WebKit::WebInputElement* found_input, | |
118 PasswordInfo* found_password); | |
119 | |
120 // The logins we have filled so far with their associated info. | |
121 LoginToPasswordInfoMap login_to_password_info_; | |
122 | |
123 // Used to disable and hide the popup. | |
124 bool disable_popup_; | |
125 | |
126 // Used for UMA stats. | |
127 OtherPossibleUsernamesUsage usernames_usage_; | |
128 | |
129 // Pointer to the WebView. Used to access page scale factor. | |
130 WebKit::WebView* web_view_; | |
131 | |
132 base::WeakPtrFactory<PasswordAutofillAgent> weak_ptr_factory_; | |
133 | |
134 DISALLOW_COPY_AND_ASSIGN(PasswordAutofillAgent); | |
135 }; | |
136 | |
137 } // namespace autofill | |
138 | |
139 #endif // COMPONENTS_AUTOFILL_RENDERER_PASSWORD_AUTOFILL_AGENT_H_ | |
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