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 CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_CONTROLLER_IMPL_H_ 6 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_CONTROLLER_IMPL_H_ 7 8 #include "base/gtest_prod_util.h" 9 #include "base/i18n/rtl.h" 10 #include "base/memory/weak_ptr.h" 11 #include "base/strings/string16.h" 12 #include "chrome/browser/ui/autofill/autofill_popup_controller.h" 13 #include "chrome/browser/ui/autofill/popup_controller_common.h" 14 #include "ui/gfx/font_list.h" 15 #include "ui/gfx/rect.h" 16 #include "ui/gfx/rect_f.h" 17 18 namespace autofill { 19 20 class AutofillPopupDelegate; 21 class AutofillPopupView; 22 23 // This class is a controller for an AutofillPopupView. It implements 24 // AutofillPopupController to allow calls from AutofillPopupView. The 25 // other, public functions are available to its instantiator. 26 class AutofillPopupControllerImpl : public AutofillPopupController { 27 public: 28 // Creates a new |AutofillPopupControllerImpl|, or reuses |previous| if the 29 // construction arguments are the same. |previous| may be invalidated by this 30 // call. The controller will listen for keyboard input routed to 31 // |web_contents| while the popup is showing, unless |web_contents| is NULL. 32 static base::WeakPtr<AutofillPopupControllerImpl> GetOrCreate( 33 base::WeakPtr<AutofillPopupControllerImpl> previous, 34 base::WeakPtr<AutofillPopupDelegate> delegate, 35 content::WebContents* web_contents, 36 gfx::NativeView container_view, 37 const gfx::RectF& element_bounds, 38 base::i18n::TextDirection text_direction); 39 40 // Shows the popup, or updates the existing popup with the given values. 41 void Show(const std::vector<base::string16>& names, 42 const std::vector<base::string16>& subtexts, 43 const std::vector<base::string16>& icons, 44 const std::vector<int>& identifiers); 45 46 // Updates the data list values currently shown with the popup. 47 void UpdateDataListValues(const std::vector<base::string16>& values, 48 const std::vector<base::string16>& labels); 49 50 // Hides the popup and destroys the controller. This also invalidates 51 // |delegate_|. 52 virtual void Hide() OVERRIDE; 53 54 // Invoked when the view was destroyed by by someone other than this class. 55 virtual void ViewDestroyed() OVERRIDE; 56 57 bool HandleKeyPressEvent(const content::NativeWebKeyboardEvent& event); 58 59 // Tells the view to capture mouse events. Must be called before |Show()|. 60 void set_hide_on_outside_click(bool hide_on_outside_click); 61 62 protected: 63 FRIEND_TEST_ALL_PREFIXES(AutofillExternalDelegateBrowserTest, 64 CloseWidgetAndNoLeaking); 65 FRIEND_TEST_ALL_PREFIXES(AutofillPopupControllerUnitTest, 66 ProperlyResetController); 67 68 AutofillPopupControllerImpl(base::WeakPtr<AutofillPopupDelegate> delegate, 69 content::WebContents* web_contents, 70 gfx::NativeView container_view, 71 const gfx::RectF& element_bounds, 72 base::i18n::TextDirection text_direction); 73 virtual ~AutofillPopupControllerImpl(); 74 75 // AutofillPopupController implementation. 76 virtual void UpdateBoundsAndRedrawPopup() OVERRIDE; 77 virtual void SetSelectionAtPoint(const gfx::Point& point) OVERRIDE; 78 virtual bool AcceptSelectedLine() OVERRIDE; 79 virtual void SelectionCleared() OVERRIDE; 80 virtual void AcceptSuggestion(size_t index) OVERRIDE; 81 virtual int GetIconResourceID( 82 const base::string16& resource_name) const OVERRIDE; 83 virtual bool CanDelete(size_t index) const OVERRIDE; 84 virtual bool IsWarning(size_t index) const OVERRIDE; 85 virtual gfx::Rect GetRowBounds(size_t index) OVERRIDE; 86 virtual void SetPopupBounds(const gfx::Rect& bounds) OVERRIDE; 87 virtual const gfx::Rect& popup_bounds() const OVERRIDE; 88 virtual gfx::NativeView container_view() OVERRIDE; 89 virtual const gfx::RectF& element_bounds() const OVERRIDE; 90 virtual bool IsRTL() const OVERRIDE; 91 92 virtual const std::vector<base::string16>& names() const OVERRIDE; 93 virtual const std::vector<base::string16>& subtexts() const OVERRIDE; 94 virtual const std::vector<base::string16>& icons() const OVERRIDE; 95 virtual const std::vector<int>& identifiers() const OVERRIDE; 96 #if !defined(OS_ANDROID) 97 virtual const gfx::FontList& GetNameFontListForRow( 98 size_t index) const OVERRIDE; 99 virtual const gfx::FontList& subtext_font_list() const OVERRIDE; 100 #endif 101 virtual int selected_line() const OVERRIDE; 102 103 content::WebContents* web_contents(); 104 105 // Change which line is currently selected by the user. 106 void SetSelectedLine(int selected_line); 107 108 // Increase the selected line by 1, properly handling wrapping. 109 void SelectNextLine(); 110 111 // Decrease the selected line by 1, properly handling wrapping. 112 void SelectPreviousLine(); 113 114 // The user has removed a suggestion. 115 bool RemoveSelectedLine(); 116 117 // Convert a y-coordinate to the closest line. 118 int LineFromY(int y); 119 120 // Returns the height of a row depending on its type. 121 int GetRowHeightFromId(int identifier) const; 122 123 // Returns true if the given id refers to an element that can be accepted. 124 bool CanAccept(int id); 125 126 // Returns true if the popup still has non-options entries to show the user. 127 bool HasSuggestions(); 128 129 // Set the Autofill entry values. Exposed to allow tests to set these values 130 // without showing the popup. 131 void SetValues(const std::vector<base::string16>& names, 132 const std::vector<base::string16>& subtexts, 133 const std::vector<base::string16>& icons, 134 const std::vector<int>& identifier); 135 view()136 AutofillPopupView* view() { return view_; } 137 138 // |view_| pass throughs (virtual for testing). 139 virtual void ShowView(); 140 virtual void InvalidateRow(size_t row); 141 142 // Protected so tests can access. 143 #if !defined(OS_ANDROID) 144 // Calculates the desired width of the popup based on its contents. 145 int GetDesiredPopupWidth() const; 146 147 // Calculates the desired height of the popup based on its contents. 148 int GetDesiredPopupHeight() const; 149 150 // Calculate the width of the row, excluding all the text. This provides 151 // the size of the row that won't be reducible (since all the text can be 152 // elided if there isn't enough space). 153 int RowWidthWithoutText(int row) const; 154 #endif 155 156 base::WeakPtr<AutofillPopupControllerImpl> GetWeakPtr(); 157 158 // Contains common popup functionality such as popup layout. Protected for 159 // testing. 160 scoped_ptr<PopupControllerCommon> controller_common_; 161 162 private: 163 // Clear the internal state of the controller. This is needed to ensure that 164 // when the popup is reused it doesn't leak values between uses. 165 void ClearState(); 166 167 #if !defined(OS_ANDROID) 168 // Calculates and sets the bounds of the popup, including placing it properly 169 // to prevent it from going off the screen. 170 void UpdatePopupBounds(); 171 #endif 172 173 AutofillPopupView* view_; // Weak reference. 174 base::WeakPtr<AutofillPopupDelegate> delegate_; 175 176 // The bounds of the Autofill popup. 177 gfx::Rect popup_bounds_; 178 179 // The text direction of the popup. 180 base::i18n::TextDirection text_direction_; 181 182 // The current Autofill query values. 183 std::vector<base::string16> names_; 184 std::vector<base::string16> subtexts_; 185 std::vector<base::string16> icons_; 186 std::vector<int> identifiers_; 187 188 // Since names_ can be elided to ensure that it fits on the screen, we need to 189 // keep an unelided copy of the names to be able to pass to the delegate. 190 std::vector<base::string16> full_names_; 191 192 #if !defined(OS_ANDROID) 193 // The fonts for the popup text. 194 gfx::FontList name_font_list_; 195 gfx::FontList subtext_font_list_; 196 gfx::FontList warning_font_list_; 197 #endif 198 199 // The line that is currently selected by the user. 200 // |kNoSelection| indicates that no line is currently selected. 201 int selected_line_; 202 203 base::WeakPtrFactory<AutofillPopupControllerImpl> weak_ptr_factory_; 204 }; 205 206 } // namespace autofill 207 208 #endif // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_CONTROLLER_IMPL_H_ 209