src/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/native_widget_types.h"
  16 #include "ui/gfx/range/range.h"
  17 #include "ui/gfx/rect.h"
  18 #include "ui/gfx/rect_f.h"
  19
  20 namespace content {
  21 struct NativeWebKeyboardEvent;
  22 class WebContents;
  23 }
  24
  25 namespace password_manager {
  26 class PasswordManager;
  27 }
  28
  29 namespace autofill {
  30
  31 class PasswordGenerator;
  32 class PasswordGenerationPopupObserver;
  33 class PasswordGenerationPopupView;
  34
  35 // This class controls a PasswordGenerationPopupView. It is responsible for
  36 // determining the location of the popup, handling keypress events while the
  37 // popup is active, and notifying both the renderer and the password manager
  38 // if the password is accepted.
  39 class PasswordGenerationPopupControllerImpl
  40     : public PasswordGenerationPopupController {
  41  public:
  42   // Create a controller or return |previous| if it is suitable. Will hide
  43   // |previous| if it is not returned. |bounds| is the bounds of the element
  44   // that we are showing the dropdown for in screen space. |form| is the
  45   // identifier for the form that we are filling, and is used to notify
  46   // |password_manager| if the password is generated. |max_length| is used to
  47   // determine the length of the password shown. If not NULL, |observer| will
  48   // be notified of changes of the popup state.
  49   static base::WeakPtr<PasswordGenerationPopupControllerImpl> GetOrCreate(
  50       base::WeakPtr<PasswordGenerationPopupControllerImpl> previous,
  51       const gfx::RectF& bounds,
  52       const PasswordForm& form,
  53       int max_length,
  54       password_manager::PasswordManager* password_manager,
  55       PasswordGenerationPopupObserver* observer,
  56       content::WebContents* web_contents,
  57       gfx::NativeView container_view);
  58   ~PasswordGenerationPopupControllerImpl() override;
  59
  60   // Create a PasswordGenerationPopupView if one doesn't already exist.
  61   // If |display_password| is true, a generated password is shown that can be
  62   // selected by the user. Otherwise just the text explaining generated
  63   // passwords is shown. Idempotent.
  64   void Show(bool display_password);
  65
  66   // Hides the popup and destroys |this|.
  67   void HideAndDestroy();
  68
  69   // Accessors.
  70   content::WebContents* web_contents() {
  71     return controller_common_.web_contents();
  72   }
  73
  74  protected:
  75   PasswordGenerationPopupControllerImpl(
  76       const gfx::RectF& bounds,
  77       const PasswordForm& form,
  78       int max_length,
  79       password_manager::PasswordManager* password_manager,
  80       PasswordGenerationPopupObserver* observer,
  81       content::WebContents* web_contents,
  82       gfx::NativeView container_view);
  83
  84   // Handle to the popup. May be NULL if popup isn't showing.
  85   PasswordGenerationPopupView* view_;
  86
  87  private:
  88   // PasswordGenerationPopupController implementation:
  89   void Hide() override;
  90   void ViewDestroyed() override;
  91   void SetSelectionAtPoint(const gfx::Point& point) override;
  92   bool AcceptSelectedLine() override;
  93   void SelectionCleared() override;
  94   void PasswordAccepted() override;
  95   void OnSavedPasswordsLinkClicked() override;
  96   int GetMinimumWidth() override;
  97   gfx::NativeView container_view() override;
  98   const gfx::Rect& popup_bounds() const override;
  99   const gfx::RectF& element_bounds() const override;
 100   bool IsRTL() const override;
 101   bool display_password() const override;
 102   bool password_selected() const override;
 103   base::string16 password() const override;
 104   base::string16 SuggestedText() override;
 105   const base::string16& HelpText() override;
 106   base::string16 AccessibleName() override;
 107   const gfx::Range& HelpTextLinkRange() override;
 108
 109   base::WeakPtr<PasswordGenerationPopupControllerImpl> GetWeakPtr();
 110
 111   bool HandleKeyPressEvent(const content::NativeWebKeyboardEvent& event);
 112
 113   // Set if the password is currently selected.
 114   void PasswordSelected(bool selected);
 115
 116   // Accept password if it's selected.
 117   bool PossiblyAcceptPassword();
 118
 119   // Get desired size of popup. Height depends on width because we do text
 120   // wrapping.
 121   void CalculateBounds();
 122
 123   PasswordForm form_;
 124   password_manager::PasswordManager* password_manager_;
 125
 126   // May be NULL.
 127   PasswordGenerationPopupObserver* observer_;
 128
 129   // Controls how passwords are generated.
 130   scoped_ptr<PasswordGenerator> generator_;
 131
 132   // Contains common popup functionality.
 133   PopupControllerCommon controller_common_;
 134
 135   // Help text and the range in the text that corresponds to the saved passwords
 136   // link.
 137   base::string16 help_text_;
 138   gfx::Range link_range_;
 139
 140   base::string16 current_password_;
 141   bool password_selected_;
 142
 143   // If a password will be shown in this popup.
 144   bool display_password_;
 145
 146   // Bounds for all the elements of the popup.
 147   gfx::Rect popup_bounds_;
 148
 149   base::WeakPtrFactory<PasswordGenerationPopupControllerImpl> weak_ptr_factory_;
 150
 151   DISALLOW_COPY_AND_ASSIGN(PasswordGenerationPopupControllerImpl);
 152 };
 153
 154 }  // namespace autofill
 155
 156 #endif  // CHROME_BROWSER_UI_AUTOFILL_PASSWORD_GENERATION_POPUP_CONTROLLER_IMPL_H_