Add infrastructure for Chrome Actions

chrome/browser/ui/views/toolbar/browser_action_view.cc

Index: chrome/browser/ui/views/toolbar/browser_action_view.cc
diff --git a/chrome/browser/ui/views/toolbar/browser_action_view.cc b/chrome/browser/ui/views/toolbar/browser_action_view.cc
index 3f710dd4a01357a5400e8ab6d317c6c6ded95744..45199a15080e697dbea7b69728014599971f6116 100644
--- a/chrome/browser/ui/views/toolbar/browser_action_view.cc
+++ b/chrome/browser/ui/views/toolbar/browser_action_view.cc
@@ -6,10 +6,9 @@
 
 #include <string>
 
-#include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/extensions/extension_action.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/browser.h"
@@ -18,12 +17,8 @@
 #include "chrome/browser/ui/views/toolbar/browser_actions_container.h"
 #include "chrome/browser/ui/views/toolbar/toolbar_view.h"
 #include "chrome/grit/generated_resources.h"
-#include "extensions/common/extension.h"
-#include "extensions/common/manifest_constants.h"
 #include "grit/theme_resources.h"
 #include "ui/accessibility/ax_view_state.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
 #include "ui/events/event.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/image/image_skia_operations.h"
@@ -44,32 +39,24 @@ const int kBorderInset = 4;
 ////////////////////////////////////////////////////////////////////////////////
 // BrowserActionView
 
-BrowserActionView::BrowserActionView(const Extension* extension,
-                                     ExtensionAction* extension_action,
-                                     Browser* browser,
-                                     BrowserActionView::Delegate* delegate)
+BrowserActionView::BrowserActionView(
+    scoped_ptr<ToolbarActionViewController> view_controller,
+    Type type,
+    Browser* browser,
+    BrowserActionView::Delegate* delegate)
     : MenuButton(this, base::string16(), NULL, false),
-      view_controller_(new ExtensionActionViewController(
-          extension,
-          browser,
-          extension_action,
-          this)),
+      view_controller_(view_controller.Pass()),
+      type_(type),
+      browser_(browser),
       delegate_(delegate),
-      called_registered_extension_command_(false),
-      icon_observer_(NULL) {
+      called_register_command_(false) {
   set_id(VIEW_ID_BROWSER_ACTION);
+  view_controller_->SetDelegate(this);
   SetHorizontalAlignment(gfx::ALIGN_CENTER);
-  set_context_menu_controller(view_controller_.get());
-  set_drag_controller(delegate_);
-
-  content::NotificationSource notification_source =
-      content::Source<Profile>(browser->profile()->GetOriginalProfile());
-  registrar_.Add(this,
-                 extensions::NOTIFICATION_EXTENSION_COMMAND_ADDED,
-                 notification_source);
-  registrar_.Add(this,
-                 extensions::NOTIFICATION_EXTENSION_COMMAND_REMOVED,
-                 notification_source);
+  if (type_ == TYPE_EXTENSION_ACTION) {
+    set_context_menu_controller(GetExtensionActionViewController());
+    set_drag_controller(delegate_);
+  }
 
   // We also listen for browser theme changes on linux because a switch from or
   // to GTK requires that we regrab our browser action images.
@@ -87,10 +74,9 @@ BrowserActionView::~BrowserActionView() {
 
 void BrowserActionView::ViewHierarchyChanged(
     const ViewHierarchyChangedDetails& details) {
-  if (details.is_add && !called_registered_extension_command_ &&
-      GetFocusManager()) {
+  if (details.is_add && !called_register_command_ && GetFocusManager()) {
     view_controller_->RegisterCommand();
-    called_registered_extension_command_ = true;
+    called_register_command_ = true;
   }
 
   MenuButton::ViewHierarchyChanged(details);
@@ -108,9 +94,7 @@ gfx::Size BrowserActionView::GetPreferredSize() const {
 void BrowserActionView::PaintChildren(gfx::Canvas* canvas,
                                       const views::CullSet& cull_set) {
   View::PaintChildren(canvas, cull_set);
-  int tab_id = view_controller_->GetCurrentTabId();
-  if (tab_id >= 0)
-    extension_action()->PaintBadge(canvas, GetLocalBounds(), tab_id);
+  view_controller_->PaintExtra(canvas, GetLocalBounds(), GetCurrentTabId());
 }
 
 void BrowserActionView::GetAccessibleState(ui::AXViewState* state) {
@@ -124,73 +108,44 @@ void BrowserActionView::ButtonPressed(views::Button* sender,
 }
 
 void BrowserActionView::UpdateState() {
-  int tab_id = view_controller_->GetCurrentTabId();
+  int tab_id = GetCurrentTabId();
   if (tab_id < 0)
     return;
 
-  if (!IsEnabled(tab_id))
+  bool enabled = view_controller_->IsEnabled(tab_id);
+  if (!enabled)
     SetState(views::CustomButton::STATE_DISABLED);
 
   gfx::ImageSkia icon = *view_controller_->GetIcon(tab_id).ToImageSkia();
 
   if (!icon.isNull()) {
-    if (!extension_action()->GetIsVisible(tab_id))
+    if (!enabled)
       icon = gfx::ImageSkiaOperations::CreateTransparentImage(icon, .25);
 
-    ThemeService* theme = ThemeServiceFactory::GetForProfile(
-        view_controller_->browser()->profile());
+    ThemeService* theme =
+        ThemeServiceFactory::GetForProfile(browser_->profile());
 
     gfx::ImageSkia bg = *theme->GetImageSkiaNamed(IDR_BROWSER_ACTION);
     SetImage(views::Button::STATE_NORMAL,
              gfx::ImageSkiaOperations::CreateSuperimposedImage(bg, icon));
   }
 
-  // If the browser action name is empty, show the extension name instead.
-  std::string title = extension_action()->GetTitle(tab_id);
-  base::string16 name =
-      base::UTF8ToUTF16(title.empty() ? extension()->name() : title);
-  SetTooltipText(name);
-  SetAccessibleName(name);
+  SetTooltipText(view_controller_->GetTooltip(tab_id));
+  SetAccessibleName(view_controller_->GetAccessibleName(tab_id));
 
   Layout();  // We need to layout since we may have added an icon as a result.
   SchedulePaint();
 }
 
-bool BrowserActionView::IsPopup() {
-  int tab_id = view_controller_->GetCurrentTabId();
-  return (tab_id < 0) ? false : extension_action()->HasPopup(tab_id);
-}
-
 void BrowserActionView::Observe(int type,
                                 const content::NotificationSource& source,
                                 const content::NotificationDetails& details) {
-  switch (type) {
-    case extensions::NOTIFICATION_EXTENSION_COMMAND_ADDED:
-    case extensions::NOTIFICATION_EXTENSION_COMMAND_REMOVED: {
-      std::pair<const std::string, const std::string>* payload =
-          content::Details<std::pair<const std::string, const std::string> >(
-              details).ptr();
-      if (extension()->id() == payload->first &&
-          payload->second ==
-              extensions::manifest_values::kBrowserActionCommandEvent) {
-        if (type == extensions::NOTIFICATION_EXTENSION_COMMAND_ADDED)
-          view_controller_->RegisterCommand();
-        else
-          view_controller_->UnregisterCommand(true);
-      }
-      break;
-    }
-    case chrome::NOTIFICATION_BROWSER_THEME_CHANGED:
-      UpdateState();
-      break;
-    default:
-      NOTREACHED();
-      break;
-  }
+  DCHECK_EQ(chrome::NOTIFICATION_BROWSER_THEME_CHANGED, type);
+  UpdateState();
 }
 
 bool BrowserActionView::Activate() {
-  if (!IsPopup())
+  if (!view_controller_->HasPopup(GetCurrentTabId()))
     return true;
 
   view_controller_->ExecuteActionByUser();
@@ -207,14 +162,15 @@ bool BrowserActionView::Activate() {
 
 bool BrowserActionView::OnMousePressed(const ui::MouseEvent& event) {
   if (!event.IsRightMouseButton()) {
-    return IsPopup() ? MenuButton::OnMousePressed(event) :
-                       LabelButton::OnMousePressed(event);
+    return view_controller_->HasPopup(GetCurrentTabId()) ?
+        MenuButton::OnMousePressed(event) : LabelButton::OnMousePressed(event);
   }
   return false;
 }
 
 void BrowserActionView::OnMouseReleased(const ui::MouseEvent& event) {
-  if (IsPopup() || view_controller_->is_menu_running()) {
+  if (view_controller_->HasPopup(GetCurrentTabId()) ||
+      view_controller_->IsMenuRunning()) {
     // TODO(erikkay) this never actually gets called (probably because of the
     // loss of focus).
     MenuButton::OnMouseReleased(event);
@@ -224,19 +180,20 @@ void BrowserActionView::OnMouseReleased(const ui::MouseEvent& event) {
 }
 
 void BrowserActionView::OnMouseExited(const ui::MouseEvent& event) {
-  if (IsPopup() || view_controller_->is_menu_running())
+  if (view_controller_->HasPopup(GetCurrentTabId()) ||
+      view_controller_->IsMenuRunning())
     MenuButton::OnMouseExited(event);
   else
     LabelButton::OnMouseExited(event);
 }
 
 bool BrowserActionView::OnKeyReleased(const ui::KeyEvent& event) {
-  return IsPopup() ? MenuButton::OnKeyReleased(event) :
-                     LabelButton::OnKeyReleased(event);
+  return view_controller_->HasPopup(GetCurrentTabId()) ?
+      MenuButton::OnKeyReleased(event) : LabelButton::OnKeyReleased(event);
 }
 
 void BrowserActionView::OnGestureEvent(ui::GestureEvent* event) {
-  if (IsPopup())
+  if (view_controller_->HasPopup(GetCurrentTabId()))
     MenuButton::OnGestureEvent(event);
   else
     LabelButton::OnGestureEvent(event);
@@ -249,17 +206,10 @@ scoped_ptr<LabelButtonBorder> BrowserActionView::CreateDefaultBorder() const {
   return border.Pass();
 }
 
-bool BrowserActionView::IsEnabled(int tab_id) const {
-  return view_controller_->extension_action()->GetIsVisible(tab_id);
-}
-
-gfx::ImageSkia BrowserActionView::GetIconWithBadge() {
-  int tab_id = view_controller_->GetCurrentTabId();
-  gfx::Size spacing(0, ToolbarView::kVertSpacing);
-  gfx::ImageSkia icon = *view_controller_->GetIcon(tab_id).ToImageSkia();
-  if (!IsEnabled(tab_id))
-    icon = gfx::ImageSkiaOperations::CreateTransparentImage(icon, .25);
-  return extension_action()->GetIconWithBadge(icon, tab_id, spacing);
+ExtensionActionViewController*
+BrowserActionView::GetExtensionActionViewController() {
+  DCHECK_EQ(TYPE_EXTENSION_ACTION, type_);
+  return static_cast<ExtensionActionViewController*>(view_controller());
 }
 
 gfx::ImageSkia BrowserActionView::GetIconForTest() {
@@ -268,8 +218,6 @@ gfx::ImageSkia BrowserActionView::GetIconForTest() {
 
 void BrowserActionView::OnIconUpdated() {
   UpdateState();
-  if (icon_observer_)
-    icon_observer_->OnIconUpdated(GetIconWithBadge());
 }
 
 views::View* BrowserActionView::GetAsView() {
@@ -288,15 +236,15 @@ views::Widget* BrowserActionView::GetParentForContextMenu() {
   // RunMenuAt expects a nested menu to be parented by the same widget as the
   // already visible menu, in this case the Chrome menu.
   return delegate_->ShownInsideMenu() ?
-      BrowserView::GetBrowserViewForBrowser(view_controller_->browser())
+      BrowserView::GetBrowserViewForBrowser(browser_)
           ->toolbar()->app_menu()->GetWidget() :
       GetWidget();
 }
 
-ExtensionActionViewController*
+ToolbarActionViewController*
 BrowserActionView::GetPreferredPopupViewController() {
   return delegate_->ShownInsideMenu() ?
-      delegate_->GetMainViewForExtension(extension())->view_controller() :
+      delegate_->GetMainViewForAction(this)->view_controller() :
       view_controller();
 }
 
@@ -312,8 +260,9 @@ views::MenuButton* BrowserActionView::GetContextMenuButton() {
   return this;
 }
 
-content::WebContents* BrowserActionView::GetCurrentWebContents() {
-  return delegate_->GetCurrentWebContents();
+int BrowserActionView::GetCurrentTabId() const {
+  content::WebContents* web_contents = delegate_->GetCurrentWebContents();
+  return web_contents ? SessionTabHelper::IdForTab(web_contents) : -1;
 }
 
 void BrowserActionView::HideActivePopup() {