Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 1 | // Copyright 2013 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_CONTENT_RENDERER_AUTOFILL_AGENT_H_ |
| 6 | #define COMPONENTS_AUTOFILL_CONTENT_RENDERER_AUTOFILL_AGENT_H_ |
| 7 | |
| 8 | #include <vector> |
| 9 | |
| 10 | #include "base/basictypes.h" |
| 11 | #include "base/compiler_specific.h" |
| 12 | #include "base/gtest_prod_util.h" |
| 13 | #include "base/memory/weak_ptr.h" |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame^] | 14 | #include "base/time/time.h" |
| 15 | #include "base/timer/timer.h" |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 16 | #include "components/autofill/content/renderer/form_cache.h" |
| 17 | #include "components/autofill/content/renderer/page_click_listener.h" |
Torne (Richard Coles) | 7d4cd47 | 2013-06-19 11:58:07 +0100 | [diff] [blame] | 18 | #include "components/autofill/core/common/forms_seen_state.h" |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 19 | #include "content/public/renderer/render_view_observer.h" |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame^] | 20 | #include "third_party/WebKit/public/web/WebAutofillClient.h" |
| 21 | #include "third_party/WebKit/public/web/WebFormElement.h" |
| 22 | #include "third_party/WebKit/public/web/WebInputElement.h" |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 23 | |
| 24 | namespace WebKit { |
| 25 | class WebNode; |
| 26 | class WebView; |
| 27 | } |
| 28 | |
| 29 | namespace autofill { |
| 30 | |
| 31 | struct FormData; |
| 32 | struct FormFieldData; |
| 33 | struct WebElementDescriptor; |
| 34 | class PasswordAutofillAgent; |
| 35 | |
| 36 | // AutofillAgent deals with Autofill related communications between WebKit and |
| 37 | // the browser. There is one AutofillAgent per RenderView. |
| 38 | // This code was originally part of RenderView. |
| 39 | // Note that Autofill encompasses: |
| 40 | // - single text field suggestions, that we usually refer to as Autocomplete, |
| 41 | // - password form fill, refered to as Password Autofill, and |
| 42 | // - entire form fill based on one field entry, referred to as Form Autofill. |
| 43 | |
| 44 | class AutofillAgent : public content::RenderViewObserver, |
| 45 | public PageClickListener, |
| 46 | public WebKit::WebAutofillClient { |
| 47 | public: |
| 48 | // PasswordAutofillAgent is guaranteed to outlive AutofillAgent. |
| 49 | AutofillAgent(content::RenderView* render_view, |
| 50 | PasswordAutofillAgent* password_autofill_manager); |
| 51 | virtual ~AutofillAgent(); |
| 52 | |
| 53 | private: |
| 54 | enum AutofillAction { |
| 55 | AUTOFILL_NONE, // No state set. |
| 56 | AUTOFILL_FILL, // Fill the Autofill form data. |
| 57 | AUTOFILL_PREVIEW, // Preview the Autofill form data. |
| 58 | }; |
| 59 | |
| 60 | // RenderView::Observer: |
| 61 | virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
| 62 | virtual void DidFinishDocumentLoad(WebKit::WebFrame* frame) OVERRIDE; |
| 63 | virtual void DidStartProvisionalLoad(WebKit::WebFrame* frame) OVERRIDE; |
| 64 | virtual void DidFailProvisionalLoad( |
| 65 | WebKit::WebFrame* frame, |
| 66 | const WebKit::WebURLError& error) OVERRIDE; |
| 67 | virtual void DidCommitProvisionalLoad(WebKit::WebFrame* frame, |
| 68 | bool is_new_navigation) OVERRIDE; |
| 69 | virtual void FrameDetached(WebKit::WebFrame* frame) OVERRIDE; |
| 70 | virtual void WillSubmitForm(WebKit::WebFrame* frame, |
| 71 | const WebKit::WebFormElement& form) OVERRIDE; |
| 72 | virtual void ZoomLevelChanged() OVERRIDE; |
| 73 | virtual void DidChangeScrollOffset(WebKit::WebFrame* frame) OVERRIDE; |
| 74 | virtual void FocusedNodeChanged(const WebKit::WebNode& node) OVERRIDE; |
| 75 | |
| 76 | // PageClickListener: |
| 77 | virtual void InputElementClicked(const WebKit::WebInputElement& element, |
| 78 | bool was_focused, |
| 79 | bool is_focused) OVERRIDE; |
| 80 | virtual void InputElementLostFocus() OVERRIDE; |
| 81 | |
| 82 | // WebKit::WebAutofillClient: |
| 83 | virtual void didAcceptAutofillSuggestion(const WebKit::WebNode& node, |
| 84 | const WebKit::WebString& value, |
| 85 | const WebKit::WebString& label, |
| 86 | int item_id, |
| 87 | unsigned index) OVERRIDE; |
| 88 | virtual void didSelectAutofillSuggestion(const WebKit::WebNode& node, |
| 89 | const WebKit::WebString& value, |
| 90 | const WebKit::WebString& label, |
| 91 | int item_id) OVERRIDE; |
| 92 | virtual void didClearAutofillSelection(const WebKit::WebNode& node) OVERRIDE; |
| 93 | virtual void removeAutocompleteSuggestion( |
| 94 | const WebKit::WebString& name, |
| 95 | const WebKit::WebString& value) OVERRIDE; |
| 96 | virtual void textFieldDidEndEditing( |
| 97 | const WebKit::WebInputElement& element) OVERRIDE; |
| 98 | virtual void textFieldDidChange( |
| 99 | const WebKit::WebInputElement& element) OVERRIDE; |
| 100 | virtual void textFieldDidReceiveKeyDown( |
| 101 | const WebKit::WebInputElement& element, |
| 102 | const WebKit::WebKeyboardEvent& event) OVERRIDE; |
| 103 | virtual void didRequestAutocomplete( |
| 104 | WebKit::WebFrame* frame, |
| 105 | const WebKit::WebFormElement& form) OVERRIDE; |
| 106 | virtual void setIgnoreTextChanges(bool ignore) OVERRIDE; |
| 107 | virtual void didAssociateFormControls( |
| 108 | const WebKit::WebVector<WebKit::WebNode>& nodes) OVERRIDE; |
| 109 | |
| 110 | void OnSuggestionsReturned(int query_id, |
| 111 | const std::vector<base::string16>& values, |
| 112 | const std::vector<base::string16>& labels, |
| 113 | const std::vector<base::string16>& icons, |
| 114 | const std::vector<int>& unique_ids); |
| 115 | void OnFormDataFilled(int query_id, const FormData& form); |
| 116 | void OnFieldTypePredictionsAvailable( |
| 117 | const std::vector<FormDataPredictions>& forms); |
| 118 | |
| 119 | // For external Autofill selection. |
| 120 | void OnSetAutofillActionFill(); |
| 121 | void OnClearForm(); |
| 122 | void OnSetAutofillActionPreview(); |
| 123 | void OnClearPreviewedForm(); |
| 124 | void OnSetNodeText(const base::string16& value); |
| 125 | void OnAcceptDataListSuggestion(const base::string16& value); |
| 126 | void OnAcceptPasswordAutofillSuggestion(const base::string16& value); |
| 127 | void OnGetAllForms(); |
| 128 | |
| 129 | // Called when interactive autocomplete finishes. |
| 130 | void OnRequestAutocompleteResult( |
| 131 | WebKit::WebFormElement::AutocompleteResult result, |
| 132 | const FormData& form_data); |
| 133 | |
| 134 | // Called when an autocomplete request succeeds or fails with the |result|. |
| 135 | void FinishAutocompleteRequest( |
| 136 | WebKit::WebFormElement::AutocompleteResult result); |
| 137 | |
| 138 | // Called when the Autofill server hints that this page should be filled using |
| 139 | // Autocheckout. All the relevant form fields in |form_data| will be filled |
| 140 | // and then element specified by |element_descriptor| will be clicked to |
| 141 | // proceed to the next step of the form. |
Torne (Richard Coles) | 5e3f23d | 2013-06-11 16:24:11 +0100 | [diff] [blame] | 142 | void OnFillFormsAndClick( |
| 143 | const std::vector<FormData>& form_data, |
| 144 | const std::vector<WebElementDescriptor>& click_elements_before_form_fill, |
| 145 | const std::vector<WebElementDescriptor>& click_elements_after_form_fill, |
| 146 | const WebElementDescriptor& element_descriptor); |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 147 | |
| 148 | // Called when |topmost_frame_| is supported for Autocheckout. |
| 149 | void OnAutocheckoutSupported(); |
| 150 | |
| 151 | // Called when clicking an Autocheckout proceed element fails to do anything. |
| 152 | void ClickFailed(); |
| 153 | |
| 154 | // Called in a posted task by textFieldDidChange() to work-around a WebKit bug |
| 155 | // http://bugs.webkit.org/show_bug.cgi?id=16976 |
| 156 | void TextFieldDidChangeImpl(const WebKit::WebInputElement& element); |
| 157 | |
| 158 | // Shows the autofill suggestions for |element|. |
| 159 | // This call is asynchronous and may or may not lead to the showing of a |
| 160 | // suggestion popup (no popup is shown if there are no available suggestions). |
| 161 | // |autofill_on_empty_values| specifies whether suggestions should be shown |
| 162 | // when |element| contains no text. |
| 163 | // |requires_caret_at_end| specifies whether suggestions should be shown when |
| 164 | // the caret is not after the last character in |element|. |
| 165 | // |display_warning_if_disabled| specifies whether a warning should be |
| 166 | // displayed to the user if Autofill has suggestions available, but cannot |
| 167 | // fill them because it is disabled (e.g. when trying to fill a credit card |
| 168 | // form on a non-secure website). |
| 169 | void ShowSuggestions(const WebKit::WebInputElement& element, |
| 170 | bool autofill_on_empty_values, |
| 171 | bool requires_caret_at_end, |
| 172 | bool display_warning_if_disabled); |
| 173 | |
| 174 | // Queries the browser for Autocomplete and Autofill suggestions for the given |
| 175 | // |element|. |
| 176 | void QueryAutofillSuggestions(const WebKit::WebInputElement& element, |
| 177 | bool display_warning_if_disabled); |
| 178 | |
| 179 | // Combines DataList suggestion entries with the autofill ones and show them |
| 180 | // to the user. |
| 181 | void CombineDataListEntriesAndShow(const WebKit::WebInputElement& element, |
| 182 | const std::vector<base::string16>& values, |
| 183 | const std::vector<base::string16>& labels, |
| 184 | const std::vector<base::string16>& icons, |
| 185 | const std::vector<int>& item_ids, |
| 186 | bool has_autofill_item); |
| 187 | |
| 188 | // Sets the element value to reflect the selected |suggested_value|. |
| 189 | void AcceptDataListSuggestion(const base::string16& suggested_value); |
| 190 | |
| 191 | // Queries the AutofillManager for form data for the form containing |node|. |
| 192 | // |value| is the current text in the field, and |unique_id| is the selected |
| 193 | // profile's unique ID. |action| specifies whether to Fill or Preview the |
| 194 | // values returned from the AutofillManager. |
| 195 | void FillAutofillFormData(const WebKit::WebNode& node, |
| 196 | int unique_id, |
| 197 | AutofillAction action); |
| 198 | |
| 199 | // Fills |form| and |field| with the FormData and FormField corresponding to |
| 200 | // |node|. Returns true if the data was found; and false otherwise. |
| 201 | bool FindFormAndFieldForNode( |
| 202 | const WebKit::WebNode& node, |
| 203 | FormData* form, |
| 204 | FormFieldData* field) WARN_UNUSED_RESULT; |
| 205 | |
| 206 | // Set |node| to display the given |value|. |
| 207 | void SetNodeText(const base::string16& value, WebKit::WebInputElement* node); |
| 208 | |
| 209 | // Hides any currently showing Autofill UI in the renderer or browser. |
| 210 | void HideAutofillUi(); |
| 211 | |
| 212 | // Hides any currently showing Autofill UI in the browser only. |
| 213 | void HideHostAutofillUi(); |
| 214 | |
| 215 | void MaybeSendDynamicFormsSeen(); |
| 216 | |
| 217 | // Send |AutofillHostMsg_MaybeShowAutocheckoutBubble| to browser if needed. |
| 218 | void MaybeShowAutocheckoutBubble(); |
| 219 | |
| 220 | FormCache form_cache_; |
| 221 | |
| 222 | PasswordAutofillAgent* password_autofill_agent_; // WEAK reference. |
| 223 | |
| 224 | // The ID of the last request sent for form field Autofill. Used to ignore |
| 225 | // out of date responses. |
| 226 | int autofill_query_id_; |
| 227 | |
| 228 | // The element corresponding to the last request sent for form field Autofill. |
| 229 | WebKit::WebInputElement element_; |
| 230 | |
| 231 | // The form element currently requesting an interactive autocomplete. |
| 232 | WebKit::WebFormElement in_flight_request_form_; |
| 233 | |
| 234 | // All the form elements seen in the top frame. |
| 235 | std::vector<WebKit::WebFormElement> form_elements_; |
| 236 | |
| 237 | // The action to take when receiving Autofill data from the AutofillManager. |
| 238 | AutofillAction autofill_action_; |
| 239 | |
| 240 | // Pointer to the current topmost frame. Used in autocheckout flows so |
| 241 | // elements can be clicked. |
| 242 | WebKit::WebFrame* topmost_frame_; |
| 243 | |
| 244 | // Pointer to the WebView. Used to access page scale factor. |
| 245 | WebKit::WebView* web_view_; |
| 246 | |
| 247 | // Should we display a warning if autofill is disabled? |
| 248 | bool display_warning_if_disabled_; |
| 249 | |
| 250 | // Was the query node autofilled prior to previewing the form? |
| 251 | bool was_query_node_autofilled_; |
| 252 | |
| 253 | // Have we already shown Autofill suggestions for the field the user is |
| 254 | // currently editing? Used to keep track of state for metrics logging. |
| 255 | bool has_shown_autofill_popup_for_current_edit_; |
| 256 | |
| 257 | // If true we just set the node text so we shouldn't show the popup. |
| 258 | bool did_set_node_text_; |
| 259 | |
| 260 | // Watchdog timer for clicking in Autocheckout flows. |
| 261 | base::OneShotTimer<AutofillAgent> click_timer_; |
| 262 | |
| 263 | // Used to signal that we need to watch for loading failures in an |
| 264 | // Autocheckout flow. |
| 265 | bool autocheckout_click_in_progress_; |
| 266 | |
| 267 | // Whether or not |topmost_frame_| is whitelisted for Autocheckout. |
| 268 | bool is_autocheckout_supported_; |
| 269 | |
| 270 | // Whether or not new forms/fields have been dynamically added |
| 271 | // since the last loaded forms were sent to the browser process. |
| 272 | bool has_new_forms_for_browser_; |
| 273 | |
| 274 | // Whether or not to ignore text changes. Useful for when we're committing |
| 275 | // a composition when we are defocusing the WebView and we don't want to |
| 276 | // trigger an autofill popup to show. |
| 277 | bool ignore_text_changes_; |
| 278 | |
| 279 | // Timestamp of first time forms are seen. |
| 280 | base::TimeTicks forms_seen_timestamp_; |
| 281 | |
| 282 | base::WeakPtrFactory<AutofillAgent> weak_ptr_factory_; |
| 283 | |
| 284 | friend class PasswordAutofillAgentTest; |
| 285 | FRIEND_TEST_ALL_PREFIXES(ChromeRenderViewTest, FillFormElement); |
| 286 | FRIEND_TEST_ALL_PREFIXES(ChromeRenderViewTest, SendForms); |
| 287 | FRIEND_TEST_ALL_PREFIXES(ChromeRenderViewTest, SendDynamicForms); |
| 288 | FRIEND_TEST_ALL_PREFIXES(ChromeRenderViewTest, ShowAutofillWarning); |
| 289 | FRIEND_TEST_ALL_PREFIXES(PasswordAutofillAgentTest, WaitUsername); |
| 290 | FRIEND_TEST_ALL_PREFIXES(PasswordAutofillAgentTest, SuggestionAccept); |
| 291 | FRIEND_TEST_ALL_PREFIXES(PasswordAutofillAgentTest, SuggestionSelect); |
| 292 | |
| 293 | DISALLOW_COPY_AND_ASSIGN(AutofillAgent); |
| 294 | }; |
| 295 | |
| 296 | } // namespace autofill |
| 297 | |
| 298 | #endif // COMPONENTS_AUTOFILL_CONTENT_RENDERER_AUTOFILL_AGENT_H_ |