chrome/browser/ui/autofill/password_generation_popup_controller_impl.h

   1 // Copyright 2014 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_PASSWORD_GENERATION_POPUP_CONTROLLER_IMPL_H_
   6 #define CHROME_BROWSER_UI_AUTOFILL_PASSWORD_GENERATION_POPUP_CONTROLLER_IMPL_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "chrome/browser/ui/autofill/password_generation_popup_controller.h"
  13 #include "chrome/browser/ui/autofill/popup_controller_common.h"
  14 #include "components/autofill/core/common/password_form.h"
  15 #include "ui/gfx/font_list.h"
  16 #include "ui/gfx/native_widget_types.h"
  17 #include "ui/gfx/range/range.h"
  18 #include "ui/gfx/rect.h"
  19 #include "ui/gfx/rect_f.h"
  20
  21 namespace content {
  22 struct NativeWebKeyboardEvent;
  23 class WebContents;
  24 }
  25
  26 namespace password_manager {
  27 class PasswordManager;
  28 }
  29
  30 namespace autofill {
  31
  32 class PasswordGenerator;
  33 class PasswordGenerationPopupObserver;
  34 class PasswordGenerationPopupView;
  35
  36 // This class controls a PasswordGenerationPopupView. It is responsible for
  37 // determining the location of the popup, handling keypress events while the
  38 // popup is active, and notifying both the renderer and the password manager
  39 // if the password is accepted.
  40 class PasswordGenerationPopupControllerImpl
  41     : public PasswordGenerationPopupController {
  42  public:
  43   // Create a controller or return |previous| if it is suitable. Will hide
  44   // |previous| if it is not returned. |bounds| is the bounds of the element
  45   // that we are showing the dropdown for in screen space. |form| is the
  46   // identifier for the form that we are filling, and is used to notify
  47   // |password_manager| if the password is generated. |max_length| is used to
  48   // determine the length of the password shown. If not NULL, |observer| will
  49   // be notified of changes of the popup state.
  50   static base::WeakPtr<PasswordGenerationPopupControllerImpl> GetOrCreate(
  51       base::WeakPtr<PasswordGenerationPopupControllerImpl> previous,
  52       const gfx::RectF& bounds,
  53       const PasswordForm& form,
  54       int max_length,
  55       password_manager::PasswordManager* password_manager,
  56       PasswordGenerationPopupObserver* observer,
  57       content::WebContents* web_contents,
  58       gfx::NativeView container_view);
  59   virtual ~PasswordGenerationPopupControllerImpl();
  60
  61   // Create a PasswordGenerationPopupView if one doesn't already exist.
  62   // If |display_password| is true, a generated password is shown that can be
  63   // selected by the user. Otherwise just the text explaining generated
  64   // passwords is shown.
  65   void Show(bool display_password);
  66
  67   // Hides the popup and destroys |this|.
  68   void HideAndDestroy();
  69
  70   // Accessors.
  71   content::WebContents* web_contents() {
  72     return controller_common_.web_contents();
  73   }
  74   const gfx::RectF& element_bounds() {
  75     return controller_common_.element_bounds();
  76   }
  77
  78  private:
  79   PasswordGenerationPopupControllerImpl(
  80       const gfx::RectF& bounds,
  81       const PasswordForm& form,
  82       int max_length,
  83       password_manager::PasswordManager* password_manager,
  84       PasswordGenerationPopupObserver* observer,
  85       content::WebContents* web_contents,
  86       gfx::NativeView container_view);
  87
  88   // PasswordGenerationPopupController implementation:
  89   virtual void Hide() OVERRIDE;
  90   virtual void ViewDestroyed() OVERRIDE;
  91   virtual void SetSelectionAtPoint(const gfx::Point& point) OVERRIDE;
  92   virtual bool AcceptSelectedLine() OVERRIDE;
  93   virtual void SelectionCleared() OVERRIDE;
  94   virtual void OnSavedPasswordsLinkClicked() OVERRIDE;
  95   virtual gfx::NativeView container_view() OVERRIDE;
  96   virtual const gfx::FontList& font_list() const OVERRIDE;
  97   virtual const gfx::Rect& popup_bounds() const OVERRIDE;
  98   virtual const gfx::Rect& password_bounds() const OVERRIDE;
  99   virtual const gfx::Rect& divider_bounds() const OVERRIDE;
 100   virtual const gfx::Rect& help_bounds() const OVERRIDE;
 101   virtual bool display_password() const OVERRIDE;
 102   virtual bool password_selected() const OVERRIDE;
 103   virtual base::string16 password() const OVERRIDE;
 104   virtual base::string16 SuggestedText() OVERRIDE;
 105   virtual const base::string16& HelpText() OVERRIDE;
 106   virtual const gfx::Range& HelpTextLinkRange() OVERRIDE;
 107
 108   base::WeakPtr<PasswordGenerationPopupControllerImpl> GetWeakPtr();
 109
 110   bool HandleKeyPressEvent(const content::NativeWebKeyboardEvent& event);
 111
 112   // Set if the password is currently selected.
 113   void PasswordSelected(bool selected);
 114
 115   // Accept the password. Causes the controller to hide itself as the popup
 116   // is no longer necessary.
 117   void PasswordAccepted();
 118
 119   // Accept password if it's selected.
 120   bool PossiblyAcceptPassword();
 121
 122   // Get desired size of popup. Height depends on width because we do text
 123   // wrapping.
 124   int GetDesiredWidth();
 125   int GetDesiredHeight(int width);
 126   void CalculateBounds();
 127
 128   PasswordForm form_;
 129   password_manager::PasswordManager* password_manager_;
 130
 131   // May be NULL.
 132   PasswordGenerationPopupObserver* observer_;
 133
 134   // Controls how passwords are generated.
 135   scoped_ptr<PasswordGenerator> generator_;
 136
 137   // Contains common popup functionality.
 138   PopupControllerCommon controller_common_;
 139
 140   // Handle to the popup. May be NULL if popup isn't showing.
 141   PasswordGenerationPopupView* view_;
 142
 143   // Font list used in the popup.
 144   const gfx::FontList& font_list_;
 145
 146   // Help text and the range in the text that corresponds to the saved passwords
 147   // link.
 148   base::string16 help_text_;
 149   gfx::Range link_range_;
 150
 151   base::string16 current_password_;
 152   bool password_selected_;
 153
 154   // If a password will be shown in this popup.
 155   bool display_password_;
 156
 157   // Bounds for all the elements of the popup.
 158   gfx::Rect popup_bounds_;
 159   gfx::Rect password_bounds_;
 160   gfx::Rect divider_bounds_;
 161   gfx::Rect help_bounds_;
 162
 163   base::WeakPtrFactory<PasswordGenerationPopupControllerImpl> weak_ptr_factory_;
 164
 165   DISALLOW_COPY_AND_ASSIGN(PasswordGenerationPopupControllerImpl);
 166 };
 167
 168 }  // namespace autofill
 169
 170 #endif  // CHROME_BROWSER_UI_AUTOFILL_PASSWORD_GENERATION_POPUP_CONTROLLER_IMPL_H_