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/geometry/rect.h"
  16 #include "ui/gfx/geometry/rect_f.h"
  17 #include "ui/gfx/native_widget_types.h"
  18 #include "ui/gfx/range/range.h"
  19
  20 namespace content {
  21 struct NativeWebKeyboardEvent;
  22 class WebContents;
  23 }
  24
  25 namespace password_manager {
  26 class PasswordManager;
  27 class PasswordManagerDriver;
  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       password_manager::PasswordManagerDriver* driver,
  57       PasswordGenerationPopupObserver* observer,
  58       content::WebContents* web_contents,
  59       gfx::NativeView container_view);
  60   ~PasswordGenerationPopupControllerImpl() override;
  61
  62   // Create a PasswordGenerationPopupView if one doesn't already exist.
  63   // If |display_password| is true, a generated password is shown that can be
  64   // selected by the user. Otherwise just the text explaining generated
  65   // passwords is shown. Idempotent.
  66   void Show(bool display_password);
  67
  68   // Hides the popup and destroys |this|.
  69   void HideAndDestroy();
  70
  71   // Accessors.
  72   content::WebContents* web_contents() {
  73     return controller_common_.web_contents();
  74   }
  75
  76  protected:
  77   PasswordGenerationPopupControllerImpl(
  78       const gfx::RectF& bounds,
  79       const PasswordForm& form,
  80       int max_length,
  81       password_manager::PasswordManager* password_manager,
  82       password_manager::PasswordManagerDriver* driver,
  83       PasswordGenerationPopupObserver* observer,
  84       content::WebContents* web_contents,
  85       gfx::NativeView container_view);
  86
  87   // Handle to the popup. May be NULL if popup isn't showing.
  88   PasswordGenerationPopupView* view_;
  89
  90  private:
  91   // PasswordGenerationPopupController implementation:
  92   void Hide() override;
  93   void ViewDestroyed() override;
  94   void SetSelectionAtPoint(const gfx::Point& point) override;
  95   bool AcceptSelectedLine() override;
  96   void SelectionCleared() override;
  97   void PasswordAccepted() override;
  98   void OnSavedPasswordsLinkClicked() override;
  99   int GetMinimumWidth() override;
 100   gfx::NativeView container_view() override;
 101   const gfx::Rect& popup_bounds() const override;
 102   const gfx::RectF& element_bounds() const override;
 103   bool IsRTL() const override;
 104   bool display_password() const override;
 105   bool password_selected() const override;
 106   base::string16 password() const override;
 107   base::string16 SuggestedText() override;
 108   const base::string16& HelpText() override;
 109   const gfx::Range& HelpTextLinkRange() override;
 110
 111   base::WeakPtr<PasswordGenerationPopupControllerImpl> GetWeakPtr();
 112
 113   bool HandleKeyPressEvent(const content::NativeWebKeyboardEvent& event);
 114
 115   // Set if the password is currently selected.
 116   void PasswordSelected(bool selected);
 117
 118   // Accept password if it's selected.
 119   bool PossiblyAcceptPassword();
 120
 121   // Get desired size of popup. Height depends on width because we do text
 122   // wrapping.
 123   void CalculateBounds();
 124
 125   PasswordForm form_;
 126   password_manager::PasswordManager* password_manager_;
 127   password_manager::PasswordManagerDriver* driver_;
 128
 129   // May be NULL.
 130   PasswordGenerationPopupObserver* observer_;
 131
 132   // Controls how passwords are generated.
 133   scoped_ptr<PasswordGenerator> generator_;
 134
 135   // Contains common popup functionality.
 136   PopupControllerCommon controller_common_;
 137
 138   // Help text and the range in the text that corresponds to the saved passwords
 139   // link.
 140   base::string16 help_text_;
 141   gfx::Range link_range_;
 142
 143   base::string16 current_password_;
 144   bool password_selected_;
 145
 146   // If a password will be shown in this popup.
 147   bool display_password_;
 148
 149   // Bounds for all the elements of the popup.
 150   gfx::Rect popup_bounds_;
 151
 152   base::WeakPtrFactory<PasswordGenerationPopupControllerImpl> weak_ptr_factory_;
 153
 154   DISALLOW_COPY_AND_ASSIGN(PasswordGenerationPopupControllerImpl);
 155 };
 156
 157 }  // namespace autofill
 158
 159 #endif  // CHROME_BROWSER_UI_AUTOFILL_PASSWORD_GENERATION_POPUP_CONTROLLER_IMPL_H_