Refactor UI "badge" (page action) logic into a BadgeController interface.

chrome/browser/extensions/page_action_controller.cc

+// Copyright (c) 2012 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/extensions/page_action_controller.h"
+
+#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
+#include "chrome/browser/extensions/extension_browser_event_router.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_system.h"
+#include "chrome/browser/extensions/extension_tab_util.h"
+#include "chrome/common/extensions/extension_set.h"
+#include "content/public/browser/web_contents.h"
+
+namespace extensions {
+
+namespace {
+
+int GetBrowserEventRouterButton(PageBoxController::MouseButton button) {
+  switch (button) {
+    case PageBoxController::MOUSE_LEFT:
+      return 1;
+    case PageBoxController::MOUSE_MIDDLE:
+      return 2;
+    case PageBoxController::MOUSE_RIGHT:
+      return 3;
+  }
+  NOTREACHED();
+  return 1;
+}
+
+}  // namespace
+
+PageActionController::PageActionController(TabContentsWrapper* tab_contents)
+    : tab_contents_(tab_contents) {}
+
+PageActionController::~PageActionController() {}
+
+scoped_ptr<PageBoxController::DataList>
+PageActionController::GetAllBadgeData() {
+  const ExtensionSet* extensions = GetExtensionService()->extensions();
+  scoped_ptr<DataList> all_badge_data(new DataList());
+  for (ExtensionSet::const_iterator i = extensions->begin();
+       i != extensions->end(); ++i) {
+    ExtensionAction* action = (*i)->page_action();
+    if (action) {
+      Data data = {
+        DECORATION_NONE,
+        action,
+      };
+      all_badge_data->push_back(data);
+    }
+  }
+  return all_badge_data.Pass();
+}
+
+PageBoxController::Action PageActionController::OnClicked(
+    const std::string& extension_id, PageBoxController::MouseButton button) {
+  const Extension* extension =
+      GetExtensionService()->extensions()->GetByID(extension_id);
+  CHECK(extension);
+  ExtensionAction* page_action = extension->page_action();
+  CHECK(page_action);
+  int tab_id = ExtensionTabUtil::GetTabId(tab_contents_->web_contents());
+
+  switch (button) {
+    case MOUSE_LEFT:
+    case MOUSE_MIDDLE:
+      if (page_action->HasPopup(tab_id))
+        return ACTION_SHOW_POPUP;
+
+      GetExtensionService()->browser_event_router()->PageActionExecuted(

[Evan Stade, 2012/05/14 19:24:07]

ah, I see now that this function takes an integer for the button type. I don't
think that's particularly awesome but I think we should match that with
OnClicked, i.e. revert back to what you had before.

[not at google - send to devlin, 2012/05/15 01:23:56]

Done.

+          tab_contents_->profile(),
+          extension->id(),
+          page_action->id(),
+          tab_id,
+          tab_contents_->web_contents()->GetURL().spec(),
+          GetBrowserEventRouterButton(button));
+      return ACTION_NONE;
+
+    case MOUSE_RIGHT:
+      return extension->ShowConfigureContextMenus() ?
+          ACTION_SHOW_CONTEXT_MENU : ACTION_NONE;
+  }
+
+  NOTREACHED();
+  return ACTION_NONE;
+}
+
+ExtensionService* PageActionController::GetExtensionService() {
+  return ExtensionSystem::Get(tab_contents_->profile())->extension_service();
+}
+
+}  // namespace extensions