chrome/browser/ui/autofill/autofill_dialog_sign_in_delegate.h

   1 // Copyright 2013 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_DIALOG_SIGN_IN_DELEGATE_H_
   6 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_SIGN_IN_DELEGATE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "content/public/browser/web_contents_delegate.h"
  10 #include "content/public/browser/web_contents_observer.h"
  11 #include "ui/gfx/geometry/size.h"
  12
  13 namespace autofill {
  14
  15 class AutofillDialogView;
  16
  17 // AutofillDialogSignInDelegate provides a WebContentsDelegate and
  18 // WebContentsObserver for the sign-in page in the autofill dialog. Allows the
  19 // dialog to resize based on the size of the hosted web page.
  20 // TODO(abodenha) It probably makes sense to move the NotificationObserver
  21 // for detecting completed sign-in to this class instead of
  22 // AutofillDialogControllerImpl.
  23 class AutofillDialogSignInDelegate: public content::WebContentsDelegate,
  24                                     public content::WebContentsObserver {
  25  public:
  26   AutofillDialogSignInDelegate(AutofillDialogView* dialog_view,
  27                                content::WebContents* dialog_web_contents,
  28                                content::WebContents* originating_web_contents,
  29                                const gfx::Size& minimum_size,
  30                                const gfx::Size& maximum_size);
  31
  32   // WebContentsDelegate implementation.
  33   void ResizeDueToAutoResize(content::WebContents* source,
  34                              const gfx::Size& preferred_size) override;
  35   content::WebContents* OpenURLFromTab(
  36       content::WebContents* source,
  37       const content::OpenURLParams& params) override;
  38   void AddNewContents(content::WebContents* source,
  39                       content::WebContents* new_contents,
  40                       WindowOpenDisposition disposition,
  41                       const gfx::Rect& initial_rect,
  42                       bool user_gesture,
  43                       bool* was_blocked) override;
  44   bool PreHandleGestureEvent(content::WebContents* source,
  45                              const blink::WebGestureEvent& event) override;
  46
  47   // WebContentsObserver implementation.
  48   void RenderViewCreated(content::RenderViewHost* render_view_host) override;
  49
  50   // Updates the size limits and enables auto-resize for this view.
  51   void UpdateLimitsAndEnableAutoResize(const gfx::Size& minimum_size,
  52                                        const gfx::Size& maximum_size);
  53
  54  private:
  55   // Enables auto-resizing for this view, if possible, constrained to the latest
  56   // minimum and maximum size allowed by the delegate.
  57   void EnableAutoResize();
  58
  59   // The dialog view hosting this sign in page.
  60   AutofillDialogView* const dialog_view_;
  61
  62   // The WebContents of the page that originated the dialog. Weak ptr, but
  63   // guaranteed to outlive the dialog, since the dialog is tab-modal to those
  64   // contents.
  65   content::WebContents* const originating_web_contents_;
  66
  67   // The minimum and maximum sizes that the sign-in view may have.
  68   gfx::Size minimum_size_;
  69   gfx::Size maximum_size_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(AutofillDialogSignInDelegate);
  72 };
  73
  74 }  // namespace autofill
  75
  76 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_SIGN_IN_DELEGATE_H_