| /* |
| * Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| * Copyright 2010, The Android Open Source Project |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef FormManagerAndroid_h |
| #define FormManagerAndroid_h |
| |
| #include "ChromiumIncludes.h" |
| |
| #include <map> |
| #include <vector> |
| |
| // TODO: This file is taken from chromium/chrome/renderer/form_manager.h and |
| // customised to use WebCore types rather than WebKit API types. It would be |
| // nice and would ease future merge pain if the two could be combined. |
| |
| namespace webkit_glue { |
| struct FormData; |
| struct FormField; |
| } // namespace webkit_glue |
| |
| namespace WebCore { |
| class Frame; |
| class HTMLFormControlElement; |
| class HTMLFormElement; |
| class Node; |
| } |
| |
| using WebCore::Frame; |
| using WebCore::HTMLFormControlElement; |
| using WebCore::HTMLFormElement; |
| using WebCore::Node; |
| |
| namespace android { |
| |
| // Manages the forms in a Document. |
| class FormManager { |
| public: |
| // A bit field mask for form requirements. |
| enum RequirementsMask { |
| REQUIRE_NONE = 0, // No requirements. |
| REQUIRE_AUTOCOMPLETE = 1 << 0, // Require that autocomplete != off. |
| REQUIRE_ENABLED = 1 << 1, // Require that disabled attribute is off. |
| REQUIRE_EMPTY = 1 << 2, // Require that the fields are empty. |
| }; |
| |
| // A bit field mask to extract data from HTMLFormControlElement. |
| enum ExtractMask { |
| EXTRACT_NONE = 0, |
| EXTRACT_VALUE = 1 << 0, // Extract value from HTMLFormControlElement. |
| EXTRACT_OPTION_TEXT = 1 << 1, // Extract option text from HTMLFormSelectElement. Only valid when |EXTRACT_VALUE| is set. This is used for form submission where humand readable value is captured. |
| EXTRACT_OPTIONS = 1 << 2, // Extract options from HTMLFormControlElement. |
| }; |
| |
| FormManager(); |
| virtual ~FormManager(); |
| |
| // Fills out a FormField object from a given HTMLFormControlElement. |
| // |extract_mask|: See the enum ExtractMask above for details. |
| static void HTMLFormControlElementToFormField(HTMLFormControlElement* element, ExtractMask extract_mask, webkit_glue::FormField* field); |
| |
| // Returns the corresponding label for |element|. WARNING: This method can |
| // potentially be very slow. Do not use during any code paths where the page |
| // is loading. |
| static string16 LabelForElement(const HTMLFormControlElement& element); |
| |
| // Fills out a FormData object from a given WebFormElement. If |get_values| |
| // is true, the fields in |form| will have the values filled out. Returns |
| // true if |form| is filled out; it's possible that |element| won't meet the |
| // requirements in |requirements|. This also returns false if there are no |
| // fields in |form|. |
| // TODO: Remove the user of this in RenderView and move this to |
| // private. |
| static bool HTMLFormElementToFormData(HTMLFormElement* element, RequirementsMask requirements, ExtractMask extract_mask, webkit_glue::FormData* form); |
| |
| // Scans the DOM in |frame| extracting and storing forms. |
| void ExtractForms(Frame* frame); |
| |
| // Returns a vector of forms in |frame| that match |requirements|. |
| void GetFormsInFrame(const Frame* frame, RequirementsMask requirements, std::vector<webkit_glue::FormData>* forms); |
| |
| // Finds the form that contains |element| and returns it in |form|. Returns |
| // false if the form is not found. |
| bool FindFormWithFormControlElement(HTMLFormControlElement* element, RequirementsMask requirements, webkit_glue::FormData* form); |
| |
| // Fills the form represented by |form|. |node| is the input element that |
| // initiated the auto-fill process. |
| bool FillForm(const webkit_glue::FormData& form, Node* node); |
| |
| // Previews the form represented by |form|. |node| is the input element |
| // that initiated the preview process. |
| bool PreviewForm(const webkit_glue::FormData& form, Node* node); |
| |
| // Clears the values of all input elements in the form that contains |node|. |
| // Returns false if the form is not found. |
| bool ClearFormWithNode(Node* node); |
| |
| // Clears the placeholder values and the auto-filled background for any fields |
| // in the form containing |node| that have been previewed. Resets the |
| // autofilled state of |node| to |was_autofilled|. Returns false if the form |
| // is not found. |
| bool ClearPreviewedFormWithNode(Node* node, bool was_autofilled); |
| |
| // Resets the stored set of forms. |
| void Reset(); |
| |
| // Resets the forms for the specified |frame|. |
| void ResetFrame(const Frame* frame); |
| |
| // Returns true if |form| has any auto-filled fields. |
| bool FormWithNodeIsAutofilled(Node* node); |
| |
| private: |
| // Stores the HTMLFormElement and the form control elements for a form. |
| // Original form values are stored so when we clear a form we can reset |
| // <select> values to their original value. |
| struct FormElement; |
| |
| // Type for cache of FormElement objects. |
| typedef ScopedVector<FormElement> FormElementList; |
| |
| // The callback type used by ForEachMatchingFormField(). |
| typedef Callback3<HTMLFormControlElement*, const webkit_glue::FormField*, bool>::Type Callback; |
| |
| // Finds the cached FormElement that contains |node|. |
| bool FindCachedFormElementWithNode(Node* node, FormElement** form_element); |
| |
| // Uses the data in |form| to find the cached FormElement. |
| bool FindCachedFormElement(const webkit_glue::FormData& form, FormElement** form_element); |
| |
| // For each field in |data| that matches the corresponding field in |form| |
| // and meets the |requirements|, |callback| is called with the actual |
| // WebFormControlElement and the FormField data from |form|. The field that |
| // matches |node| is not required to be empty if |requirements| includes |
| // REQUIRE_EMPTY. This method owns |callback|. |
| void ForEachMatchingFormField(FormElement* form, Node* node, RequirementsMask requirements, const webkit_glue::FormData& data, Callback* callback); |
| |
| // A ForEachMatchingFormField() callback that sets |field|'s value using the |
| // value in |data|. This method also sets the autofill attribute, causing the |
| // background to be yellow. |
| void FillFormField(HTMLFormControlElement* field, const webkit_glue::FormField* data, bool is_initiating_node); |
| |
| // A ForEachMatchingFormField() callback that sets |field|'s placeholder value |
| // using the value in |data|, causing the test to be greyed-out. This method |
| // also sets the autofill attribute, causing the background to be yellow. |
| void PreviewFormField(HTMLFormControlElement* field, const webkit_glue::FormField* data, bool is_initiaiting_node); |
| |
| // The cached FormElement objects. |
| FormElementList form_elements_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FormManager); |
| }; |
| |
| } // namespace android |
| |
| #endif // FormManagerAndroid_h |