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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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