chrome/browser/first_run/try_chrome_dialog_view.h

   1 // Copyright (c) 2012 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_FIRST_RUN_TRY_CHROME_DIALOG_VIEW_H_
   6 #define CHROME_BROWSER_FIRST_RUN_TRY_CHROME_DIALOG_VIEW_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "ui/gfx/native_widget_types.h"
  11 #include "ui/views/controls/button/button.h"
  12 #include "ui/views/controls/link_listener.h"
  13
  14 class ProcessSingleton;
  15
  16 namespace gfx {
  17 class Rect;
  18 }
  19
  20 namespace views {
  21 class RadioButton;
  22 class Checkbox;
  23 class Widget;
  24 }
  25
  26 // This class displays a modal dialog using the views system. The dialog asks
  27 // the user to give chrome another try. This class only handles the UI so the
  28 // resulting actions are up to the caller. One flavor looks like this:
  29 //
  30 //   +-----------------------------------------------+
  31 //   | |icon| There is a new, safer version      [x] |
  32 //   | |icon| of Google Chrome available             |
  33 //   |        [o] Try it out (already installed)     |
  34 //   |        [ ] Uninstall Google Chrome            |
  35 //   |        [ OK ] [Don't bug me]                  |
  36 //   |        _why_am_I_seeing this?_                |
  37 //   +-----------------------------------------------+
  38 //
  39 // Another flavor looks like:
  40 //   +-----------------------------------------------+
  41 //   | |icon| There is a new, safer version      [x] |
  42 //   | |icon| of Google Chrome available             |
  43 //   |        [o] Try it out (already installed)     |
  44 //   |        [ ] Don't bug me                       |
  45 //   |                  [ OK ]                       |
  46 //   +-----------------------------------------------+
  47 //
  48 // And the 2013 version looks like:
  49 //   +-----------------------------------------------+
  50 //   | |icon| There is a new version of          [x] |
  51 //   | |icon| Google Chrome available                |
  52 //   |        [o] Try it out (already installed)     |
  53 //   |        [ ] Don't bug me                       |
  54 //   | --------------------------------------------- |
  55 //   | [x] Make it the default browser       [ OK ]  |
  56 //   +-----------------------------------------------+
  57
  58 class TryChromeDialogView : public views::ButtonListener,
  59                             public views::LinkListener {
  60  public:
  61   // Receives a handle to the active modal dialog, or NULL when the active
  62   // dialog is dismissed.
  63   typedef base::Callback<void(gfx::NativeWindow active_dialog)>
  64       ActiveModalDialogListener;
  65
  66   enum Result {
  67     TRY_CHROME,             // Launch chrome right now.
  68     TRY_CHROME_AS_DEFAULT,  // Launch chrome and make it the default.
  69     NOT_NOW,                // Don't launch chrome. Exit now.
  70     UNINSTALL_CHROME,       // Initiate chrome uninstall and exit.
  71     DIALOG_ERROR,           // An error occurred creating the dialog.
  72     COUNT
  73   };
  74
  75   // Shows a modal dialog asking the user to give chrome another try. See
  76   // above for the possible outcomes of the function. This is an experimental,
  77   // non-localized dialog.
  78   // |flavor| can be 0, 1, 2 or 3 and selects what strings to present.
  79   // |listener| will be notified when the dialog becomes active and when it is
  80   // dismissed.
  81   // Note that the dialog has no parent and it will position itself in a lower
  82   // corner of the screen. The dialog does not steal focus and does not have an
  83   // entry in the taskbar.
  84   static Result Show(size_t flavor, const ActiveModalDialogListener& listener);
  85
  86  private:
  87   explicit TryChromeDialogView(size_t flavor);
  88   virtual ~TryChromeDialogView();
  89
  90   Result ShowModal(const ActiveModalDialogListener& listener);
  91
  92   // Returns a screen rectangle that is fit to show the window. In particular
  93   // it has the following properties: a) is visible and b) is attached to the
  94   // bottom of the working area. For LTR machines it returns a left side
  95   // rectangle and for RTL it returns a right side rectangle so that the dialog
  96   // does not compete with the standar place of the start menu.
  97   gfx::Rect ComputeWindowPosition(int width, int height, bool is_RTL);
  98
  99   // Create a windows region that looks like a toast of width |w| and height
 100   // |h|. This is best effort, so we don't care much if the operation fails.
 101   void SetToastRegion(HWND window, int w, int h);
 102
 103   // views::ButtonListener:
 104   // We have two buttons and according to what the user clicked we set |result_|
 105   // and we should always close and end the modal loop.
 106   virtual void ButtonPressed(views::Button* sender,
 107                              const ui::Event& event) OVERRIDE;
 108
 109   // views::LinkListener:
 110   // If the user selects the link we need to fire off the default browser that
 111   // by some convoluted logic should not be chrome.
 112   virtual void LinkClicked(views::Link* source, int event_flags) OVERRIDE;
 113
 114   // Controls which flavor of the heading text to use.
 115   size_t flavor_;
 116
 117   // We don't own any of these pointers. The |popup_| owns itself and owns the
 118   // other views.
 119   views::Widget* popup_;
 120   views::RadioButton* try_chrome_;
 121   views::RadioButton* kill_chrome_;
 122   views::RadioButton* dont_try_chrome_;
 123   views::Checkbox* make_default_;
 124   Result result_;
 125
 126   DISALLOW_COPY_AND_ASSIGN(TryChromeDialogView);
 127 };
 128
 129 #endif  // CHROME_BROWSER_FIRST_RUN_TRY_CHROME_DIALOG_VIEW_H_