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_PASSWORD_GENERATION_AGENT_H_ 6 #define COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_GENERATION_AGENT_H_ 7 8 #include <map> 9 #include <utility> 10 #include <vector> 11 12 #include "base/memory/scoped_ptr.h" 13 #include "content/public/renderer/render_view_observer.h" 14 #include "third_party/WebKit/public/web/WebInputElement.h" 15 #include "url/gurl.h" 16 17 namespace blink { 18 class WebCString; 19 class WebDocument; 20 } 21 22 namespace autofill { 23 24 struct FormData; 25 struct PasswordForm; 26 27 // This class is responsible for controlling communication for password 28 // generation between the browser (which shows the popup and generates 29 // passwords) and WebKit (shows the generation icon in the password field). 30 class PasswordGenerationAgent : public content::RenderViewObserver { 31 public: 32 explicit PasswordGenerationAgent(content::RenderView* render_view); 33 virtual ~PasswordGenerationAgent(); 34 35 // Returns true if the field being changed is one where a generated password 36 // is being offered. Updates the state of the popup if necessary. 37 bool TextDidChangeInTextField(const blink::WebInputElement& element); 38 39 // Returns true if the newly focused node caused the generation UI to show. 40 bool FocusedNodeHasChanged(const blink::WebNode& node); 41 42 // The length that a password can be before the UI is hidden. 43 static const size_t kMaximumOfferSize = 5; 44 45 protected: 46 // Returns true if this document is one that we should consider analyzing. 47 // Virtual so that it can be overriden during testing. 48 virtual bool ShouldAnalyzeDocument(const blink::WebDocument& document) const; 49 50 // RenderViewObserver: 51 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; 52 53 // Use to force enable during testing. 54 void set_enabled(bool enabled) { enabled_ = enabled; } 55 56 private: 57 // RenderViewObserver: 58 virtual void DidFinishDocumentLoad(blink::WebLocalFrame* frame) OVERRIDE; 59 virtual void DidFinishLoad(blink::WebLocalFrame* frame) OVERRIDE; 60 61 // Message handlers. 62 void OnFormNotBlacklisted(const PasswordForm& form); 63 void OnPasswordAccepted(const base::string16& password); 64 void OnAccountCreationFormsDetected( 65 const std::vector<autofill::FormData>& forms); 66 67 // Helper function to decide if |passwords_| contains password fields for 68 // an account creation form. Sets |generation_element_| to the field that 69 // we want to trigger the generation UI on. 70 void DetermineGenerationElement(); 71 72 // Show password generation UI anchored at |generation_element_|. 73 void ShowGenerationPopup(); 74 75 // Show UI for editing a generated password at |generation_element_|. 76 void ShowEditingPopup(); 77 78 // Hides a password generation popup if one exists. 79 void HidePopup(); 80 81 content::RenderView* render_view_; 82 83 // Stores the origin of the account creation form we detected. 84 scoped_ptr<PasswordForm> possible_account_creation_form_; 85 86 // Stores the origins of the password forms confirmed not to be blacklisted 87 // by the browser. A form can be blacklisted if a user chooses "never save 88 // passwords for this site". 89 std::vector<GURL> not_blacklisted_password_form_origins_; 90 91 // Stores each password form for which the Autofill server classifies one of 92 // the form's fields as an ACCOUNT_CREATION_PASSWORD. These forms will 93 // not be sent if the feature is disabled. 94 std::vector<autofill::FormData> generation_enabled_forms_; 95 96 // Password elements that may be part of an account creation form. 97 std::vector<blink::WebInputElement> password_elements_; 98 99 // Element where we want to trigger password generation UI. 100 blink::WebInputElement generation_element_; 101 102 // If the password field at |generation_element_| contains a generated 103 // password. 104 bool password_is_generated_; 105 106 // True if a password was generated and the user edited it. Used for UMA 107 // stats. 108 bool password_edited_; 109 110 // If this feature is enabled. Controlled by Finch. 111 bool enabled_; 112 113 DISALLOW_COPY_AND_ASSIGN(PasswordGenerationAgent); 114 }; 115 116 } // namespace autofill 117 118 #endif // COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_GENERATION_AGENT_H_ 119