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/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   virtual void ResizeDueToAutoResize(content::WebContents* source,
  34                                      const gfx::Size& preferred_size) OVERRIDE;
  35   virtual content::WebContents* OpenURLFromTab(
  36       content::WebContents* source,
  37       const content::OpenURLParams& params) OVERRIDE;
  38   virtual void AddNewContents(content::WebContents* source,
  39                               content::WebContents* new_contents,
  40                               WindowOpenDisposition disposition,
  41                               const gfx::Rect& initial_pos,
  42                               bool user_gesture,
  43                               bool* was_blocked) OVERRIDE;
  44   virtual bool PreHandleGestureEvent(
  45       content::WebContents* source,
  46       const blink::WebGestureEvent& event) OVERRIDE;
  47
  48   // WebContentsObserver implementation.
  49   virtual void RenderViewCreated(
  50       content::RenderViewHost* render_view_host) OVERRIDE;
  51
  52   // Updates the size limits and enables auto-resize for this view.
  53   void UpdateLimitsAndEnableAutoResize(const gfx::Size& minimum_size,
  54                                        const gfx::Size& maximum_size);
  55
  56  private:
  57   // Enables auto-resizing for this view, if possible, constrained to the latest
  58   // minimum and maximum size allowed by the delegate.
  59   void EnableAutoResize();
  60
  61   // The dialog view hosting this sign in page.
  62   AutofillDialogView* const dialog_view_;
  63
  64   // The WebContents of the page that originated the dialog. Weak ptr, but
  65   // guaranteed to outlive the dialog, since the dialog is tab-modal to those
  66   // contents.
  67   content::WebContents* const originating_web_contents_;
  68
  69   // The minimum and maximum sizes that the sign-in view may have.
  70   gfx::Size minimum_size_;
  71   gfx::Size maximum_size_;
  72
  73   DISALLOW_COPY_AND_ASSIGN(AutofillDialogSignInDelegate);
  74 };
  75
  76 }  // namespace autofill
  77
  78 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_SIGN_IN_DELEGATE_H_