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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/script_badge_controller.h"
#include "base/logging.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "chrome/browser/chrome_notification_types.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/extension_service.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/extensions/tab_helper.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/sessions/session_id.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/extension_messages.h"
#include "chrome/common/extensions/extension_set.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_details.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/web_contents.h"
#include "ipc/ipc_message.h"
#include "ipc/ipc_message_macros.h"
#include "url/gurl.h"
namespace extensions {
ScriptBadgeController::ScriptBadgeController(content::WebContents* web_contents,
TabHelper* tab_helper)
: TabHelper::ScriptExecutionObserver(tab_helper),
content::WebContentsObserver(web_contents) {
registrar_.Add(this,
chrome::NOTIFICATION_EXTENSION_UNLOADED,
content::Source<Profile>(profile()));
}
ScriptBadgeController::~ScriptBadgeController() {}
std::vector<ExtensionAction*> ScriptBadgeController::GetCurrentActions() const {
std::vector<ExtensionAction*> result;
ExtensionService* service = GetExtensionService();
if (!service)
return result;
ExtensionActionManager* extension_action_manager =
ExtensionActionManager::Get(profile());
const ExtensionSet* extensions = service->extensions();
for (std::set<std::string>::const_iterator
it = extensions_in_current_actions_.begin();
it != extensions_in_current_actions_.end(); ++it) {
const Extension* extension = extensions->GetByID(*it);
if (!extension)
continue;
ExtensionAction* script_badge =
extension_action_manager->GetScriptBadge(*extension);
if (script_badge)
result.push_back(script_badge);
}
return result;
}
void ScriptBadgeController::GetAttentionFor(
const std::string& extension_id) {
ExtensionAction* script_badge = AddExtensionToCurrentActions(extension_id);
if (!script_badge)
return;
// TODO(jyasskin): Modify the icon's appearance to indicate that the
// extension is merely asking for permission to run:
// http://crbug.com/133142
script_badge->SetAppearance(SessionID::IdForTab(web_contents()),
ExtensionAction::WANTS_ATTENTION);
NotifyChange();
}
LocationBarController::Action ScriptBadgeController::OnClicked(
const std::string& extension_id, int mouse_button) {
ExtensionService* service = GetExtensionService();
if (!service)
return ACTION_NONE;
const Extension* extension = service->extensions()->GetByID(extension_id);
CHECK(extension);
ExtensionAction* script_badge =
ExtensionActionManager::Get(profile())->GetScriptBadge(*extension);
CHECK(script_badge);
switch (mouse_button) {
case 1: // left
case 2: { // middle
extensions::TabHelper::FromWebContents(web_contents())->
active_tab_permission_granter()->GrantIfRequested(extension);
// Even if clicking the badge doesn't immediately cause the extension to
// run script on the page, we want to help users associate clicking with
// the extension having permission to modify the page, so we make the icon
// full-colored immediately.
if (script_badge->SetAppearance(SessionID::IdForTab(web_contents()),
ExtensionAction::ACTIVE))
NotifyChange();
// Fire the scriptBadge.onClicked event.
ExtensionActionAPI::ScriptBadgeExecuted(
profile(), *script_badge, SessionID::IdForTab(web_contents()));
// TODO(jyasskin): The fallback order should be user-defined popup ->
// onClicked handler -> default popup.
return ACTION_SHOW_SCRIPT_POPUP;
}
case 3: // right
// Don't grant access on right clicks, so users can investigate
// the extension without danger.
return extension->ShowConfigureContextMenus() ?
ACTION_SHOW_CONTEXT_MENU : ACTION_NONE;
}
return ACTION_NONE;
}
namespace {
std::string JoinExtensionIDs(const ExecutingScriptsMap& ids) {
std::vector<std::string> as_vector;
for (ExecutingScriptsMap::const_iterator iter = ids.begin();
iter != ids.end(); ++iter) {
as_vector.push_back(iter->first);
}
return "[" + JoinString(as_vector, ',') + "]";
}
} // namespace
void ScriptBadgeController::OnScriptsExecuted(
const content::WebContents* web_contents,
const ExecutingScriptsMap& extension_ids,
int32 on_page_id,
const GURL& on_url) {
int32 current_page_id = GetPageID();
if (on_page_id != current_page_id)
return;
if (current_page_id < 0) {
// Tracking down http://crbug.com/138323.
std::string message = base::StringPrintf(
"Expected a page ID of %d but there was no navigation entry. "
"Extension IDs are %s.",
on_page_id,
JoinExtensionIDs(extension_ids).c_str());
char buf[1024];
base::snprintf(buf, arraysize(buf), "%s", message.c_str());
LOG(ERROR) << message;
return;
}
bool changed = false;
for (ExecutingScriptsMap::const_iterator it = extension_ids.begin();
it != extension_ids.end(); ++it) {
changed |= MarkExtensionExecuting(it->first);
}
if (changed)
NotifyChange();
}
Profile* ScriptBadgeController::profile() const {
return Profile::FromBrowserContext(web_contents()->GetBrowserContext());
}
ExtensionService* ScriptBadgeController::GetExtensionService() const {
return ExtensionSystem::Get(profile())->extension_service();
}
int32 ScriptBadgeController::GetPageID() {
content::NavigationEntry* nav_entry =
web_contents()->GetController().GetVisibleEntry();
return nav_entry ? nav_entry->GetPageID() : -1;
}
void ScriptBadgeController::NotifyChange() {
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSION_LOCATION_BAR_UPDATED,
content::Source<Profile>(profile()),
content::Details<content::WebContents>(web_contents()));
}
void ScriptBadgeController::DidNavigateMainFrame(
const content::LoadCommittedDetails& details,
const content::FrameNavigateParams& params) {
if (details.is_in_page)
return;
extensions_in_current_actions_.clear();
}
void ScriptBadgeController::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
DCHECK_EQ(type, chrome::NOTIFICATION_EXTENSION_UNLOADED);
const Extension* extension =
content::Details<UnloadedExtensionInfo>(details)->extension;
if (extensions_in_current_actions_.erase(extension->id()))
NotifyChange();
}
ExtensionAction* ScriptBadgeController::AddExtensionToCurrentActions(
const std::string& extension_id) {
if (!extensions_in_current_actions_.insert(extension_id).second)
return NULL;
ExtensionService* service = GetExtensionService();
if (!service)
return NULL;
const Extension* extension = service->extensions()->GetByID(extension_id);
if (!extension)
return NULL;
return ExtensionActionManager::Get(profile())->GetScriptBadge(*extension);
}
bool ScriptBadgeController::MarkExtensionExecuting(
const std::string& extension_id) {
ExtensionAction* script_badge = AddExtensionToCurrentActions(extension_id);
if (!script_badge)
return false;
script_badge->SetAppearance(SessionID::IdForTab(web_contents()),
ExtensionAction::ACTIVE);
return true;
}
} // namespace extensions
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