Re-styled the App Info Dialog according to UI feedback

chrome/browser/ui/views/apps/app_info_dialog/app_info_permissions_tab.cc

Index: chrome/browser/ui/views/apps/app_info_dialog/app_info_permissions_tab.cc
diff --git a/chrome/browser/ui/views/apps/app_info_dialog/app_info_permissions_tab.cc b/chrome/browser/ui/views/apps/app_info_dialog/app_info_permissions_tab.cc
deleted file mode 100644
index 87034387761390108def70f776a2c63050c19fff..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/views/apps/app_info_dialog/app_info_permissions_tab.cc
+++ /dev/null
@@ -1,491 +0,0 @@
-// Copyright 2014 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/views/apps/app_info_dialog/app_info_permissions_tab.h"
-
-#include "apps/app_load_service.h"
-#include "apps/app_restore_service.h"
-#include "apps/saved_files_service.h"
-#include "base/files/file_path.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/utf_string_conversions.h"
-#include "extensions/common/extension.h"
-#include "extensions/common/manifest_handlers/permissions_parser.h"
-#include "extensions/common/permissions/api_permission.h"
-#include "extensions/common/permissions/permission_message_provider.h"
-#include "extensions/common/permissions/permissions_data.h"
-#include "grit/generated_resources.h"
-#include "grit/theme_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/animation/animation.h"
-#include "ui/gfx/animation/animation_delegate.h"
-#include "ui/gfx/animation/slide_animation.h"
-#include "ui/gfx/native_widget_types.h"
-#include "ui/gfx/text_constants.h"
-#include "ui/views/controls/button/button.h"
-#include "ui/views/controls/button/image_button.h"
-#include "ui/views/controls/button/label_button.h"
-#include "ui/views/controls/label.h"
-#include "ui/views/controls/scroll_view.h"
-#include "ui/views/layout/box_layout.h"
-#include "ui/views/layout/fill_layout.h"
-#include "ui/views/layout/grid_layout.h"
-#include "ui/views/layout/layout_constants.h"
-#include "ui/views/widget/widget.h"
-
-namespace {
-
-// A view to display a title with an expandable permissions list section and an
-// optional 'revoke' button below the list.
-class ExpandableContainerView : public views::View,
-                                public views::ButtonListener,
-                                public gfx::AnimationDelegate {
- public:
-  ExpandableContainerView(
-      views::View* owner,
-      const base::string16& title,
-      const std::vector<base::string16>& permission_messages,
-      views::Button* button);
-  virtual ~ExpandableContainerView();
-
-  // views::View:
-  virtual void ChildPreferredSizeChanged(views::View* child) OVERRIDE;
-
-  // views::ButtonListener:
-  virtual void ButtonPressed(views::Button* sender,
-                             const ui::Event& event) OVERRIDE;
-
-  // gfx::AnimationDelegate:
-  virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE;
-  virtual void AnimationEnded(const gfx::Animation* animation) OVERRIDE;
-
-  // Expand/Collapse the detail section for this ExpandableContainerView.
-  void ToggleDetailLevel();
-
- private:
-  // A view which displays the permission messages as a bulleted list, with an
-  // optional button underneath (such as to revoke the permissions). |button|
-  // may be NULL.
-  class DetailsView : public views::View {
-   public:
-    explicit DetailsView(const std::vector<base::string16>& messages,
-                         views::Button* button);
-    virtual ~DetailsView() {}
-
-    // views::View:
-    virtual gfx::Size GetPreferredSize() const OVERRIDE;
-
-    // Animates this to be a height proportional to |ratio|.
-    void AnimateToRatio(double ratio);
-
-   private:
-    // The current state of the animation, as a decimal from 0 to 1 (0 is fully
-    // collapsed, 1 is fully expanded).
-    double visible_ratio_;
-
-    DISALLOW_COPY_AND_ASSIGN(DetailsView);
-  };
-
-  // The dialog that owns |this|. It's also an ancestor in the View hierarchy.
-  views::View* owner_;
-
-  // A view for showing |permission_messages|.
-  DetailsView* details_view_;
-
-  gfx::SlideAnimation slide_animation_;
-
-  // The up/down arrow next to the heading (points up/down depending on whether
-  // the details section is expanded).
-  views::ImageButton* arrow_toggle_;
-
-  // Whether the details section is expanded.
-  bool expanded_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExpandableContainerView);
-};
-
-ExpandableContainerView::DetailsView::DetailsView(
-    const std::vector<base::string16>& messages,
-    views::Button* button)
-    : visible_ratio_(0) {
-  views::GridLayout* layout = new views::GridLayout(this);
-  SetLayoutManager(layout);
-
-  // Create 2 columns: one for the bullet, one for the bullet text. Also inset
-  // the whole bulleted list by kPanelHorizMargin on either side.
-  static const int kColumnSet = 1;
-  views::ColumnSet* column_set = layout->AddColumnSet(kColumnSet);
-  column_set->AddPaddingColumn(0, views::kPanelHorizMargin);
-  column_set->AddColumn(views::GridLayout::LEADING,
-                        views::GridLayout::LEADING,
-                        1,
-                        views::GridLayout::USE_PREF,
-                        0,
-                        0);
-  column_set->AddPaddingColumn(0, 5);
-  column_set->AddColumn(views::GridLayout::LEADING,
-                        views::GridLayout::LEADING,
-                        1,
-                        views::GridLayout::USE_PREF,
-                        0,
-                        0);
-  column_set->AddPaddingColumn(0, views::kPanelHorizMargin);
-
-  // Create a right-aligned column (just for the button at the bottom) that
-  // aligns all the way to the right of the view.
-  static const int kButtonColumnSet = 2;
-  views::ColumnSet* button_column_set = layout->AddColumnSet(kButtonColumnSet);
-  button_column_set->AddColumn(views::GridLayout::TRAILING,
-                               views::GridLayout::LEADING,
-                               1,
-                               views::GridLayout::USE_PREF,
-                               0,
-                               0);
-
-  // Add padding above the permissions.
-  layout->AddPaddingRow(0, views::kPanelVertMargin);
-
-  // Add the permissions.
-  for (std::vector<base::string16>::const_iterator it = messages.begin();
-       it != messages.end();
-       ++it) {
-    views::Label* permission_label = new views::Label(*it);
-
-    permission_label->SetMultiLine(true);
-    permission_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
-
-    // Add a row of padding before every item except the first.
-    if (it != messages.begin()) {
-      layout->AddPaddingRow(0, views::kRelatedControlSmallVerticalSpacing);
-    }
-
-    layout->StartRow(0, kColumnSet);
-    // Extract only the bullet from the IDS_EXTENSION_PERMISSION_LINE text.
-    layout->AddView(new views::Label(l10n_util::GetStringFUTF16(
-        IDS_EXTENSION_PERMISSION_LINE, base::string16())));
-    // Place the text second, so multi-lined permissions line up below the
-    // bullet.
-    layout->AddView(permission_label);
-  }
-
-  // Add the button, if one was provided.
-  if (button) {
-    layout->AddPaddingRow(0, views::kUnrelatedControlHorizontalSpacing);
-    layout->StartRow(0, kButtonColumnSet);
-    layout->AddView(button);
-  }
-
-  // Add the bottom padding.
-  layout->AddPaddingRow(0, views::kPanelVertMargin);
-}
-
-gfx::Size ExpandableContainerView::DetailsView::GetPreferredSize() const {
-  gfx::Size size = views::View::GetPreferredSize();
-  return gfx::Size(size.width(), size.height() * visible_ratio_);
-}
-
-void ExpandableContainerView::DetailsView::AnimateToRatio(double ratio) {
-  visible_ratio_ = ratio;
-  PreferredSizeChanged();
-  SchedulePaint();
-}
-
-ExpandableContainerView::ExpandableContainerView(
-    views::View* owner,
-    const base::string16& title,
-    const std::vector<base::string16>& permission_messages,
-    views::Button* button)
-    : owner_(owner),
-      details_view_(NULL),
-      slide_animation_(this),
-      arrow_toggle_(NULL),
-      expanded_(false) {
-  views::GridLayout* layout = new views::GridLayout(this);
-  SetLayoutManager(layout);
-  const int kMainColumnSetId = 0;
-  views::ColumnSet* column_set = layout->AddColumnSet(kMainColumnSetId);
-  column_set->AddColumn(views::GridLayout::LEADING,
-                        views::GridLayout::LEADING,
-                        1,
-                        views::GridLayout::USE_PREF,
-                        0,
-                        0);
-
-  // A column set that is split in half, to allow for the expand/collapse button
-  // image to be aligned to the right of the view.
-  const int kSplitColumnSetId = 1;
-  views::ColumnSet* split_column_set = layout->AddColumnSet(kSplitColumnSetId);
-  split_column_set->AddColumn(views::GridLayout::LEADING,
-                              views::GridLayout::LEADING,
-                              1,
-                              views::GridLayout::USE_PREF,
-                              0,
-                              0);
-  split_column_set->AddPaddingColumn(0,
-                                     views::kRelatedControlHorizontalSpacing);
-  split_column_set->AddColumn(views::GridLayout::TRAILING,
-                              views::GridLayout::LEADING,
-                              1,
-                              views::GridLayout::USE_PREF,
-                              0,
-                              0);
-
-  // To display the heading and count next to each other, create a sub-view
-  // with a box layout that stacks them horizontally.
-  views::View* title_view = new views::View();
-  title_view->SetLayoutManager(
-      new views::BoxLayout(views::BoxLayout::kHorizontal,
-                           0,
-                           0,
-                           views::kRelatedControlSmallHorizontalSpacing));
-
-  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-
-  // Format the title as 'Title - number'. Unfortunately, this needs to be in
-  // separate views because labels only support a single font per view.
-  title_view->AddChildView(
-      new views::Label(title, rb.GetFontList(ui::ResourceBundle::BoldFont)));
-  title_view->AddChildView(
-      new views::Label(base::UTF8ToUTF16("\xe2\x80\x93")));  // En-dash.
-  title_view->AddChildView(
-      new views::Label(base::IntToString16(permission_messages.size())));
-
-  arrow_toggle_ = new views::ImageButton(this);
-  arrow_toggle_->SetImage(views::Button::STATE_NORMAL,
-                          rb.GetImageSkiaNamed(IDR_DOWN_ARROW));
-
-  layout->StartRow(0, kSplitColumnSetId);
-  layout->AddView(title_view);
-  layout->AddView(arrow_toggle_);
-
-  details_view_ = new DetailsView(permission_messages, button);
-  layout->StartRow(0, kMainColumnSetId);
-  layout->AddView(details_view_);
-}
-
-ExpandableContainerView::~ExpandableContainerView() {
-}
-
-void ExpandableContainerView::ButtonPressed(views::Button* sender,
-                                            const ui::Event& event) {
-  ToggleDetailLevel();
-}
-
-void ExpandableContainerView::AnimationProgressed(
-    const gfx::Animation* animation) {
-  DCHECK_EQ(&slide_animation_, animation);
-  if (details_view_) {
-    details_view_->AnimateToRatio(animation->GetCurrentValue());
-  }
-}
-
-void ExpandableContainerView::AnimationEnded(const gfx::Animation* animation) {
-  if (arrow_toggle_) {
-    if (animation->GetCurrentValue() != 0.0) {
-      arrow_toggle_->SetImage(
-          views::Button::STATE_NORMAL,
-          ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
-              IDR_UP_ARROW));
-    } else {
-      arrow_toggle_->SetImage(
-          views::Button::STATE_NORMAL,
-          ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
-              IDR_DOWN_ARROW));
-    }
-  }
-}
-
-void ExpandableContainerView::ChildPreferredSizeChanged(views::View* child) {
-  owner_->Layout();
-}
-
-void ExpandableContainerView::ToggleDetailLevel() {
-  expanded_ = !expanded_;
-
-  if (slide_animation_.IsShowing())
-    slide_animation_.Hide();
-  else
-    slide_animation_.Show();
-}
-
-}  // namespace
-
-AppInfoPermissionsTab::AppInfoPermissionsTab(Profile* profile,
-                                             const extensions::Extension* app)
-    : AppInfoTab(profile, app), revoke_file_permissions_button_(NULL) {
-  this->SetLayoutManager(new views::FillLayout);
-
-  // Create a scrollview and add it to the tab.
-  views::View* scrollable_content = new views::View();
-  scroll_view_ = new views::ScrollView();
-  scroll_view_->SetContents(scrollable_content);
-  AddChildView(scroll_view_);
-
-  // Give the inner scrollview (the 'scrollable' part) a layout.
-  views::GridLayout* layout =
-      views::GridLayout::CreatePanel(scrollable_content);
-  scrollable_content->SetLayoutManager(layout);
-
-  // Main column that stretches to the width of the view.
-  static const int kMainColumnSetId = 0;
-  views::ColumnSet* main_column_set = layout->AddColumnSet(kMainColumnSetId);
-  main_column_set->AddColumn(
-      views::GridLayout::FILL,
-      views::GridLayout::FILL,
-      1,  // This column resizes to the width of the dialog.
-      views::GridLayout::USE_PREF,
-      0,
-      0);
-
-  const std::vector<base::string16> required_permission_messages =
-      GetRequiredPermissionMessages();
-  const std::vector<base::string16> optional_permission_messages =
-      GetOptionalPermissionMessages();
-  const std::vector<base::string16> retained_file_permission_messages =
-      GetRetainedFilePermissionMessages();
-
-  layout->AddPaddingRow(1, views::kButtonVEdgeMargin);
-  if (required_permission_messages.empty() &&
-      optional_permission_messages.empty() &&
-      retained_file_permission_messages.empty()) {
-    // If there are no permissions at all, display an appropriate message.
-    views::Label* no_permissions_text = new views::Label(
-        l10n_util::GetStringUTF16(IDS_APPLICATION_INFO_NO_PERMISSIONS_TEXT));
-    no_permissions_text->SetHorizontalAlignment(gfx::ALIGN_LEFT);
-
-    layout->StartRow(0, kMainColumnSetId);
-    layout->AddView(no_permissions_text);
-  } else {
-    if (!required_permission_messages.empty()) {
-      ExpandableContainerView* details_container = new ExpandableContainerView(
-          this,
-          l10n_util::GetStringUTF16(
-              IDS_APPLICATION_INFO_REQUIRED_PERMISSIONS_TEXT),
-          required_permission_messages,
-          NULL);
-      // Required permissions are visible by default.
-      details_container->ToggleDetailLevel();
-
-      layout->StartRow(0, kMainColumnSetId);
-      layout->AddView(details_container);
-      layout->AddPaddingRow(0, views::kRelatedControlHorizontalSpacing);
-    }
-
-    if (!optional_permission_messages.empty()) {
-      ExpandableContainerView* details_container = new ExpandableContainerView(
-          this,
-          l10n_util::GetStringUTF16(
-              IDS_APPLICATION_INFO_OPTIONAL_PERMISSIONS_TEXT),
-          optional_permission_messages,
-          NULL);
-
-      layout->StartRow(0, kMainColumnSetId);
-      layout->AddView(details_container);
-      layout->AddPaddingRow(0, views::kRelatedControlHorizontalSpacing);
-    }
-
-    if (!retained_file_permission_messages.empty()) {
-      revoke_file_permissions_button_ = new views::LabelButton(
-          this,
-          l10n_util::GetStringUTF16(
-              IDS_APPLICATION_INFO_REVOKE_RETAINED_FILE_PERMISSIONS_BUTTON_TEXT));
-      revoke_file_permissions_button_->SetStyle(views::Button::STYLE_BUTTON);
-
-      ExpandableContainerView* details_container = new ExpandableContainerView(
-          this,
-          l10n_util::GetStringUTF16(
-              IDS_APPLICATION_INFO_RETAINED_FILE_PERMISSIONS_TEXT),
-          retained_file_permission_messages,
-          revoke_file_permissions_button_);
-
-      layout->StartRow(0, kMainColumnSetId);
-      layout->AddView(details_container);
-      layout->AddPaddingRow(0, views::kRelatedControlHorizontalSpacing);
-    }
-  }
-}
-
-AppInfoPermissionsTab::~AppInfoPermissionsTab() {
-}
-
-void AppInfoPermissionsTab::Layout() {
-  // To avoid 'jumping' issues when the scrollbar becomes visible, size the
-  // scrollable area as though it always has a visible scrollbar.
-  views::View* contents_view = scroll_view_->contents();
-  int content_width = width() - scroll_view_->GetScrollBarWidth();
-  int content_height = contents_view->GetHeightForWidth(content_width);
-  contents_view->SetBounds(0, 0, content_width, content_height);
-  scroll_view_->SetBounds(0, 0, width(), height());
-}
-
-void AppInfoPermissionsTab::ButtonPressed(views::Button* sender,
-                                          const ui::Event& event) {
-  if (sender == revoke_file_permissions_button_)
-    RevokeFilePermissions();
-  else
-    NOTREACHED();
-}
-
-void AppInfoPermissionsTab::RevokeFilePermissions() {
-  apps::SavedFilesService::Get(profile_)->ClearQueue(app_);
-
-  // TODO(benwells): Fix this to call something like
-  // AppLoadService::RestartApplicationIfRunning.
-  if (apps::AppRestoreService::Get(profile_)->IsAppRestorable(app_->id()))
-    apps::AppLoadService::Get(profile_)->RestartApplication(app_->id());
-
-  GetWidget()->Close();
-}
-
-const extensions::PermissionSet* AppInfoPermissionsTab::GetRequiredPermissions()
-    const {
-  return extensions::PermissionsParser::GetRequiredPermissions(app_);
-}
-
-const std::vector<base::string16>
-AppInfoPermissionsTab::GetRequiredPermissionMessages() const {
-  return extensions::PermissionMessageProvider::Get()->GetWarningMessages(
-      GetRequiredPermissions(), app_->GetType());
-}
-
-const extensions::PermissionSet* AppInfoPermissionsTab::GetOptionalPermissions()
-    const {
-  return extensions::PermissionsParser::GetOptionalPermissions(app_);
-}
-
-const std::vector<base::string16>
-AppInfoPermissionsTab::GetOptionalPermissionMessages() const {
-  return extensions::PermissionMessageProvider::Get()->GetWarningMessages(
-      GetOptionalPermissions(), app_->GetType());
-}
-
-const std::vector<base::FilePath>
-AppInfoPermissionsTab::GetRetainedFilePermissions() const {
-  std::vector<base::FilePath> retained_file_paths;
-  if (app_->permissions_data()->HasAPIPermission(
-          extensions::APIPermission::kFileSystem)) {
-    std::vector<apps::SavedFileEntry> retained_file_entries =
-        apps::SavedFilesService::Get(profile_)->GetAllFileEntries(app_->id());
-    for (std::vector<apps::SavedFileEntry>::const_iterator it =
-             retained_file_entries.begin();
-         it != retained_file_entries.end();
-         ++it) {
-      retained_file_paths.push_back(it->path);
-    }
-  }
-  return retained_file_paths;
-}
-
-const std::vector<base::string16>
-AppInfoPermissionsTab::GetRetainedFilePermissionMessages() const {
-  const std::vector<base::FilePath> permissions = GetRetainedFilePermissions();
-  std::vector<base::string16> file_permission_messages;
-  for (std::vector<base::FilePath>::const_iterator it = permissions.begin();
-       it != permissions.end();
-       ++it) {
-    file_permission_messages.push_back(it->LossyDisplayName());
-  }
-  return file_permission_messages;
-}