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// 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 <set>
#include "base/lazy_instance.h"
#include "base/metrics/histogram.h"
#include "chrome/browser/extensions/api/extension_action/extension_action_api.h"
#include "chrome/browser/extensions/extension_action.h"
#include "chrome/browser/extensions/extension_action_manager.h"
#include "chrome/browser/extensions/tab_helper.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/sessions/session_id.h"
#include "content/public/browser/navigation_details.h"
#include "content/public/browser/web_contents.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/common/extension_set.h"
namespace extensions {
// Keeps track of the profiles for which we've sent UMA statistics.
base::LazyInstance<std::set<Profile*> > g_reported_for_profiles =
LAZY_INSTANCE_INITIALIZER;
PageActionController::PageActionController(content::WebContents* web_contents)
: web_contents_(web_contents) {
}
PageActionController::~PageActionController() {
}
ExtensionAction* PageActionController::GetActionForExtension(
const Extension* extension) {
return ExtensionActionManager::Get(GetProfile())->GetPageAction(*extension);
}
LocationBarController::Action PageActionController::OnClicked(
const Extension* extension) {
ExtensionAction* page_action =
ExtensionActionManager::Get(GetProfile())->GetPageAction(*extension);
CHECK(page_action);
int tab_id = SessionID::IdForTab(web_contents_);
TabHelper::FromWebContents(web_contents_)->
active_tab_permission_granter()->GrantIfRequested(extension);
if (page_action->HasPopup(tab_id))
return LocationBarController::ACTION_SHOW_POPUP;
ExtensionActionAPI::PageActionExecuted(
web_contents_->GetBrowserContext(),
*page_action,
tab_id,
web_contents_->GetLastCommittedURL().spec(),
1 /* Button indication. We only ever pass left-click. */);
return LocationBarController::ACTION_NONE;
}
void PageActionController::OnNavigated() {
const ExtensionSet& extensions =
ExtensionRegistry::Get(web_contents_->GetBrowserContext())
->enabled_extensions();
int tab_id = SessionID::IdForTab(web_contents_);
size_t num_current_actions = 0u;
for (ExtensionSet::const_iterator iter = extensions.begin();
iter != extensions.end();
++iter) {
ExtensionAction* action = GetActionForExtension(*iter);
if (action) {
action->ClearAllValuesForTab(tab_id);
++num_current_actions;
}
}
Profile* profile = GetProfile();
// Report the number of page actions for this profile, if we haven't already.
// TODO(rdevlin.cronin): This is wrong. Instead, it should record the number
// of page actions displayed per page.
if (!g_reported_for_profiles.Get().count(profile)) {
UMA_HISTOGRAM_COUNTS_100("PageActionController.ExtensionsWithPageActions",
num_current_actions);
g_reported_for_profiles.Get().insert(profile);
}
LocationBarController::NotifyChange(web_contents_);
}
Profile* PageActionController::GetProfile() {
return Profile::FromBrowserContext(web_contents_->GetBrowserContext());
}
} // namespace extensions
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