Show "About panel" bubble on Windows.

chrome/browser/ui/panels/about_panel_bubble.cc

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/ui/panels/about_panel_bubble.h"
+
+#include "base/i18n/time_formatting.h"
+#include "base/logging.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/extensions/extension_prefs.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/web_applications/web_app.h"
+#include "chrome/common/extensions/extension.h"
+#include "grit/generated_resources.h"
+#include "grit/locale_settings.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "views/controls/image_view.h"
+#include "views/controls/label.h"
+#include "views/controls/link.h"
+#include "views/controls/textfield/textfield.h"
+#include "views/window/window.h"
+
+namespace {
+
+// Extra padding to put around content over what the InfoBubble provides.
+const int kBubblePadding = 4;
+
+// Horizontal spacing between the icon and the contents.
+const int kIconHorizontalSpacing = 4;
+
+// Vertical spacing between two controls.
+const int kControlVerticalSpacing = 10;
+
+// Horizontal spacing between the text and the left/right of a description.
+const int kDescriptionHorizontalSpacing = 6;
+
+// Vertical spacing between the text and the top/bottom of a description.
+const int kDescriptionVertialSpacing = 4;
+
+// Horizontal spacing between two links.
+const int kLinksHorizontalSpacing = 20;
+
+// Text color of a description.
+const SkColor kDescriptionTextColor = SK_ColorBLACK;
+
+// Background color of a description.
+const SkColor kDescriptionBackgroundColor = 0xFFE8E8EE;
+
+}
+
+// AboutPanelBubbleView --------------------------------------------------------
+
+AboutPanelBubble::AboutPanelBubbleView::AboutPanelBubbleView(
+    SkBitmap icon, Browser* browser, const Extension* extension)
+    : icon_(NULL),
+      title_(NULL),
+      install_date_(NULL),
+      description_(NULL),
+      uninstall_link_(NULL),
+      report_abuse_link_(NULL) {
+  const gfx::Font& font =
+      ResourceBundle::GetSharedInstance().GetFont(ResourceBundle::BaseFont);
+
+  icon_ = new views::ImageView();
+  icon_->SetImage(icon);
+  AddChildView(icon_);
+
+  title_ = new views::Label(UTF8ToWide(extension->name()));
+  title_->SetFont(font.DeriveFont(0, gfx::Font::BOLD));
+  title_->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
+  AddChildView(title_);
+
+  base::Time install_time = browser->GetProfile()->GetExtensionService()->
+      extension_prefs()->GetInstallTime(extension->id());
+  install_date_ = new views::Label(UTF16ToWide(
+      l10n_util::GetStringFUTF16(
+          IDS_ABOUT_PANEL_BUBBLE_EXTENSION_INSTALL_DATE,
+          base::TimeFormatFriendlyDate(install_time))));
+  install_date_->SetMultiLine(true);
+  install_date_->SetFont(font);
+  install_date_->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
+  install_date_->SizeToFit(GetPreferredSize().width() - kBubblePadding * 2);
+  AddChildView(install_date_);
+
+  description_ = new views::Textfield(views::Textfield::STYLE_MULTILINE);
+  description_->SetText(UTF8ToUTF16(extension->description()));
+  description_->SetHeightInLines(2);
+  description_->SetHorizontalMargins(kDescriptionHorizontalSpacing,
+                                          kDescriptionHorizontalSpacing);
+  description_->SetVerticalMargins(kDescriptionVertialSpacing,
+                                        kDescriptionVertialSpacing);
+  description_->SetFont(font);
+  description_->SetTextColor(kDescriptionTextColor);
+  description_->SetBackgroundColor(kDescriptionBackgroundColor);
+  description_->RemoveBorder();
+  description_->SetReadOnly(true);
+  AddChildView(description_);
+
+  uninstall_link_ = new views::Link(UTF16ToWide(
+      l10n_util::GetStringFUTF16(IDS_ABOUT_PANEL_BUBBLE_UNINSTALL_EXTENSION,
+                                 UTF8ToUTF16(extension->name()))));
+  AddChildView(uninstall_link_);
+
+  report_abuse_link_ = new views::Link(UTF16ToWide(
+      l10n_util::GetStringUTF16(IDS_ABOUT_PANEL_BUBBLE_REPORT_ABUSE)));
+  AddChildView(report_abuse_link_);
+}
+
+void AboutPanelBubble::AboutPanelBubbleView::Layout() {
+  gfx::Size icon_size = icon_->GetPreferredSize();
+  icon_->SetBounds(kBubblePadding,
+                   kBubblePadding,
+                   icon_size.width(),
+                   icon_size.height());
+
+  gfx::Size canvas = GetPreferredSize();
+  int start_x = kBubblePadding + icon_size.width() + kIconHorizontalSpacing;
+  int width = canvas.width() - kBubblePadding * 2 - icon_size.width() -

[jennb, 2011/05/24 22:50:29]

Is this (canvas.width() - start_x - kBubblePadding)?  Wondering if it would be
easier to understand if start_x is reused in the formula.  

Maybe another name for start_x that better explains what it is?  Is it the
left_margin? 

Would width be clearer as content_width? 

[jianli, 2011/05/24 23:56:57]

Done.

+      kIconHorizontalSpacing;
+
+  gfx::Size pref_size = title_->GetPreferredSize();
+  title_->SetBounds(start_x,
+                    kBubblePadding,
+                    width,
+                    pref_size.height());
+
+  int next_y = title_->bounds().bottom() + kControlVerticalSpacing;
+
+  pref_size = install_date_->GetPreferredSize();
+  install_date_->SetBounds(start_x,
+                           next_y,
+                           width,
+                           pref_size.height());
+
+  next_y = install_date_->bounds().bottom() + kControlVerticalSpacing;
+
+  pref_size = description_->GetPreferredSize();
+  description_->SetBounds(
+      start_x,
+      next_y,
+      width,
+      pref_size.height() + kDescriptionVertialSpacing * 2);
+
+  next_y = description_->bounds().bottom() + kControlVerticalSpacing;
+
+  pref_size = uninstall_link_->GetPreferredSize();
+  uninstall_link_->SetBounds(start_x,
+                             next_y,
+                             pref_size.width(),
+                             pref_size.height());
+
+  pref_size = report_abuse_link_->GetPreferredSize();
+  report_abuse_link_->SetBounds(
+      start_x + uninstall_link_->width() + kLinksHorizontalSpacing,
+      next_y,
+      pref_size.width(),
+      pref_size.height());
+}
+
+gfx::Size AboutPanelBubble::AboutPanelBubbleView::GetPreferredSize() {
+  return views::Window::GetLocalizedContentsSize(
+      IDS_ABOUTPANELBUBBLE_WIDTH_CHARS,
+      IDS_ABOUTPANELBUBBLE_HEIGHT_LINES);
+}
+
+void AboutPanelBubble::AboutPanelBubbleView::LinkClicked(views::Link* source,
+                                                         int event_flags) {
+  NOTIMPLEMENTED();
+}
+
+// AboutPanelBubble ------------------------------------------------------------
+
+// static
+AboutPanelBubble* AboutPanelBubble::Show(
+    views::Widget* parent,
+    const gfx::Rect& position_relative_to,
+    BubbleBorder::ArrowLocation arrow_location,
+    SkBitmap icon,
+    Browser* browser) {
+  // Find the extension. When we create a panel from an extension, the extension
+  // ID is passed as the app name to the Browser.
+  ExtensionService* extension_service =
+      browser->GetProfile()->GetExtensionService();
+  const Extension* extension = extension_service->GetExtensionById(
+      web_app::GetExtensionIdFromApplicationName(browser->app_name()), false);
+  if (!extension)
+    return NULL;
+
+  AboutPanelBubble* bubble = new AboutPanelBubble();
+  AboutPanelBubbleView* view = new AboutPanelBubbleView(
+      icon, browser, extension);
+  bubble->InitBubble(
+      parent, position_relative_to, arrow_location, view, bubble);
+  return bubble;
+}
+
+AboutPanelBubble::AboutPanelBubble() {
+}
+
+bool AboutPanelBubble::CloseOnEscape() {
+  return true;
+}
+
+bool AboutPanelBubble::FadeInOnShow() {
+  return false;
+}
+
+std::wstring AboutPanelBubble::accessible_name() {
+  return L"AboutPanelBubble";
+}