1 // Copyright (c) 2011 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_VIEWS_ABOUT_CHROME_VIEW_H_ 6 #define CHROME_BROWSER_UI_VIEWS_ABOUT_CHROME_VIEW_H_ 7 #pragma once 8 9 #include "views/controls/image_view.h" 10 #include "views/controls/label.h" 11 #include "views/controls/link.h" 12 #include "views/view.h" 13 #include "views/window/dialog_delegate.h" 14 15 #if defined(OS_WIN) || defined(OS_CHROMEOS) 16 #include "chrome/browser/google/google_update.h" 17 #endif 18 #if defined(OS_CHROMEOS) 19 #include "chrome/browser/chromeos/version_loader.h" 20 #endif 21 22 namespace views { 23 class Textfield; 24 class Throbber; 25 class Window; 26 } 27 28 class Profile; 29 30 //////////////////////////////////////////////////////////////////////////////// 31 // 32 // The AboutChromeView class is responsible for drawing the UI controls of the 33 // About Chrome dialog that allows the user to see what version is installed 34 // and check for updates. 35 // 36 //////////////////////////////////////////////////////////////////////////////// 37 class AboutChromeView : public views::View, 38 public views::DialogDelegate, 39 public views::LinkController 40 #if defined(OS_WIN) || defined(OS_CHROMEOS) 41 , public GoogleUpdateStatusListener 42 #endif 43 { 44 public: 45 explicit AboutChromeView(Profile* profile); 46 virtual ~AboutChromeView(); 47 48 // Initialize the controls on the dialog. 49 void Init(); 50 51 // Overridden from views::View: 52 virtual gfx::Size GetPreferredSize(); 53 virtual void Layout(); 54 virtual void OnPaint(gfx::Canvas* canvas); 55 virtual void ViewHierarchyChanged(bool is_add, 56 views::View* parent, 57 views::View* child); 58 59 // Overridden from views::DialogDelegate: 60 virtual std::wstring GetDialogButtonLabel( 61 MessageBoxFlags::DialogButton button) const; 62 virtual bool IsDialogButtonEnabled( 63 MessageBoxFlags::DialogButton button) const; 64 virtual bool IsDialogButtonVisible( 65 MessageBoxFlags::DialogButton button) const; 66 virtual int GetDefaultDialogButton() const; 67 virtual bool CanResize() const; 68 virtual bool CanMaximize() const; 69 virtual bool IsAlwaysOnTop() const; 70 virtual bool HasAlwaysOnTopMenu() const; 71 virtual bool IsModal() const; 72 virtual std::wstring GetWindowTitle() const; 73 virtual bool Accept(); 74 virtual views::View* GetContentsView(); 75 76 // Overridden from views::LinkController: 77 virtual void LinkActivated(views::Link* source, int event_flags); 78 #if defined(OS_WIN) || defined(OS_CHROMEOS) 79 // Overridden from GoogleUpdateStatusListener: 80 virtual void OnReportResults(GoogleUpdateUpgradeResult result, 81 GoogleUpdateErrorCode error_code, 82 const std::wstring& version); 83 #endif 84 85 private: 86 #if defined(OS_WIN) || defined(OS_CHROMEOS) 87 // Update the UI to show the status of the upgrade. 88 void UpdateStatus(GoogleUpdateUpgradeResult result, 89 GoogleUpdateErrorCode error_code); 90 #endif 91 92 #if defined(OS_CHROMEOS) 93 // Callback from chromeos::VersionLoader giving the version. 94 void OnOSVersion(chromeos::VersionLoader::Handle handle, 95 std::string version); 96 #endif 97 98 99 Profile* profile_; 100 101 // UI elements on the dialog. 102 views::ImageView* about_dlg_background_logo_; 103 views::Label* about_title_label_; 104 views::Textfield* version_label_; 105 #if defined(OS_CHROMEOS) 106 views::Textfield* os_version_label_; 107 #endif 108 views::Label* copyright_label_; 109 views::Label* main_text_label_; 110 int main_text_label_height_; 111 views::Link* chromium_url_; 112 gfx::Rect chromium_url_rect_; 113 views::Link* open_source_url_; 114 gfx::Rect open_source_url_rect_; 115 views::Link* terms_of_service_url_; 116 gfx::Rect terms_of_service_url_rect_; 117 // UI elements we add to the parent view. 118 scoped_ptr<views::Throbber> throbber_; 119 views::ImageView success_indicator_; 120 views::ImageView update_available_indicator_; 121 views::ImageView timeout_indicator_; 122 views::Label update_label_; 123 124 // The dialog dimensions. 125 gfx::Size dialog_dimensions_; 126 127 // Keeps track of the visible state of the Restart Now button. 128 bool restart_button_visible_; 129 130 // The text to display as the main label of the About box. We draw this text 131 // word for word with the help of the WordIterator, and make room for URLs 132 // which are drawn using views::Link. See also |url_offsets_|. 133 std::wstring main_label_chunk1_; 134 std::wstring main_label_chunk2_; 135 std::wstring main_label_chunk3_; 136 std::wstring main_label_chunk4_; 137 std::wstring main_label_chunk5_; 138 // Determines the order of the two links we draw in the main label. 139 bool chromium_url_appears_first_; 140 141 #if defined(OS_WIN) || defined(OS_CHROMEOS) 142 // The class that communicates with Google Update to find out if an update is 143 // available and asks it to start an upgrade. 144 scoped_refptr<GoogleUpdate> google_updater_; 145 #endif 146 147 // Our current version. 148 std::string current_version_; 149 150 // Additional information about the version (channel and build number). 151 std::string version_details_; 152 153 // The version Google Update reports is available to us. 154 std::wstring new_version_available_; 155 156 // Whether text direction is left-to-right or right-to-left. 157 bool text_direction_is_rtl_; 158 159 #if defined(OS_CHROMEOS) 160 // Handles asynchronously loading the version. 161 chromeos::VersionLoader loader_; 162 163 // Used to request the version. 164 CancelableRequestConsumer consumer_; 165 #endif 166 167 DISALLOW_COPY_AND_ASSIGN(AboutChromeView); 168 }; 169 170 #endif // CHROME_BROWSER_UI_VIEWS_ABOUT_CHROME_VIEW_H_ 171
