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// Copyright 2013 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/sync/profile_signin_confirmation_helper.h"
#include "base/bind.h"
#include "base/memory/ref_counted.h"
#include "base/prefs/pref_service.h"
#include "base/strings/string16.h"
#include "chrome/browser/bookmarks/bookmark_model.h"
#include "chrome/browser/bookmarks/bookmark_model_factory.h"
#include "chrome/browser/common/cancelable_request.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/history/history_backend.h"
#include "chrome/browser/history/history_db_task.h"
#include "chrome/browser/history/history_service.h"
#include "chrome/browser/history/history_service_factory.h"
#include "chrome/browser/history/history_types.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/sync_helper.h"
#include "extensions/browser/extension_system.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_set.h"
#include "ui/gfx/color_utils.h"
#include "ui/native_theme/native_theme.h"
namespace {
const int kHistoryEntriesBeforeNewProfilePrompt = 10;
// Determines whether a profile has any typed URLs in its history.
class HasTypedURLsTask : public history::HistoryDBTask {
public:
HasTypedURLsTask(const base::Callback<void(bool)>& cb)
: has_typed_urls_(false), cb_(cb) {
}
virtual bool RunOnDBThread(history::HistoryBackend* backend,
history::HistoryDatabase* db) OVERRIDE {
history::URLRows rows;
backend->GetAllTypedURLs(&rows);
if (!rows.empty()) {
DVLOG(1) << "ProfileSigninConfirmationHelper: profile contains "
<< rows.size() << " typed URLs";
has_typed_urls_ = true;
}
return true;
}
virtual void DoneRunOnMainThread() OVERRIDE {
cb_.Run(has_typed_urls_);
}
private:
virtual ~HasTypedURLsTask() {}
bool has_typed_urls_;
base::Callback<void(bool)> cb_;
};
bool HasBookmarks(Profile* profile) {
BookmarkModel* bookmarks = BookmarkModelFactory::GetForProfile(profile);
bool has_bookmarks = bookmarks && bookmarks->HasBookmarks();
if (has_bookmarks)
DVLOG(1) << "ProfileSigninConfirmationHelper: profile contains bookmarks";
return has_bookmarks;
}
// Helper functions for Chrome profile signin.
class ProfileSigninConfirmationHelper
: public base::RefCounted<ProfileSigninConfirmationHelper> {
public:
ProfileSigninConfirmationHelper(
Profile* profile,
const base::Callback<void(bool)>& return_result);
void CheckHasHistory(int max_entries);
void CheckHasTypedURLs();
void set_pending_requests(int requests);
private:
friend class base::RefCounted<ProfileSigninConfirmationHelper>;
~ProfileSigninConfirmationHelper();
void OnHistoryQueryResults(size_t max_entries,
CancelableRequestProvider::Handle handle,
history::QueryResults* results);
void ReturnResult(bool result);
// Weak pointer to the profile being signed-in.
Profile* profile_;
// Used for async tasks.
CancelableRequestConsumer request_consumer_;
// Keep track of how many async requests are pending.
int pending_requests_;
// Indicates whether the result has already been returned to caller.
bool result_returned_;
// Callback to pass the result back to the caller.
const base::Callback<void(bool)> return_result_;
DISALLOW_COPY_AND_ASSIGN(ProfileSigninConfirmationHelper);
};
ProfileSigninConfirmationHelper::ProfileSigninConfirmationHelper(
Profile* profile,
const base::Callback<void(bool)>& return_result)
: profile_(profile),
pending_requests_(0),
result_returned_(false),
return_result_(return_result) {
}
ProfileSigninConfirmationHelper::~ProfileSigninConfirmationHelper() {
}
void ProfileSigninConfirmationHelper::OnHistoryQueryResults(
size_t max_entries,
CancelableRequestProvider::Handle handle,
history::QueryResults* results) {
history::QueryResults owned_results;
results->Swap(&owned_results);
bool too_much_history = owned_results.size() >= max_entries;
if (too_much_history) {
DVLOG(1) << "ProfileSigninConfirmationHelper: profile contains "
<< owned_results.size() << " history entries";
}
ReturnResult(too_much_history);
}
void ProfileSigninConfirmationHelper::CheckHasHistory(int max_entries) {
HistoryService* service =
HistoryServiceFactory::GetForProfileWithoutCreating(profile_);
if (!service) {
ReturnResult(false);
return;
}
history::QueryOptions opts;
opts.max_count = max_entries;
service->QueryHistory(
base::string16(), opts, &request_consumer_,
base::Bind(&ProfileSigninConfirmationHelper::OnHistoryQueryResults,
this,
max_entries));
}
void ProfileSigninConfirmationHelper::CheckHasTypedURLs() {
HistoryService* service =
HistoryServiceFactory::GetForProfileWithoutCreating(profile_);
if (!service) {
ReturnResult(false);
return;
}
service->ScheduleDBTask(
new HasTypedURLsTask(
base::Bind(
&ProfileSigninConfirmationHelper::ReturnResult,
this)),
&request_consumer_);
}
void ProfileSigninConfirmationHelper::set_pending_requests(int requests) {
pending_requests_ = requests;
}
void ProfileSigninConfirmationHelper::ReturnResult(bool result) {
// Pass |true| into the callback as soon as one of the tasks passes a
// result of |true|, otherwise pass the last returned result.
if (!result_returned_ && (--pending_requests_ == 0 || result)) {
result_returned_ = true;
request_consumer_.CancelAllRequests();
return_result_.Run(result);
}
}
} // namespace
namespace ui {
SkColor GetSigninConfirmationPromptBarColor(SkAlpha alpha) {
static const SkColor kBackgroundColor =
ui::NativeTheme::instance()->GetSystemColor(
ui::NativeTheme::kColorId_DialogBackground);
return color_utils::BlendTowardOppositeLuminance(kBackgroundColor, alpha);
}
bool HasBeenShutdown(Profile* profile) {
bool has_been_shutdown = !profile->IsNewProfile();
if (has_been_shutdown)
DVLOG(1) << "ProfileSigninConfirmationHelper: profile is not new";
return has_been_shutdown;
}
bool HasSyncedExtensions(Profile* profile) {
extensions::ExtensionSystem* system =
extensions::ExtensionSystem::Get(profile);
if (system && system->extension_service()) {
const extensions::ExtensionSet* extensions =
system->extension_service()->extensions();
for (extensions::ExtensionSet::const_iterator iter = extensions->begin();
iter != extensions->end(); ++iter) {
// The webstore is synced so that it stays put on the new tab
// page, but since it's installed by default we don't want to
// consider it when determining if the profile is dirty.
if (extensions::sync_helper::IsSyncable(iter->get()) &&
(*iter)->id() != extension_misc::kWebStoreAppId &&
(*iter)->id() != extension_misc::kChromeAppId) {
DVLOG(1) << "ProfileSigninConfirmationHelper: "
<< "profile contains a synced extension: " << (*iter)->id();
return true;
}
}
}
return false;
}
void CheckShouldPromptForNewProfile(
Profile* profile,
const base::Callback<void(bool)>& return_result) {
if (HasBeenShutdown(profile) ||
HasBookmarks(profile) ||
HasSyncedExtensions(profile)) {
return_result.Run(true);
return;
}
// Fire asynchronous queries for profile data.
scoped_refptr<ProfileSigninConfirmationHelper> helper =
new ProfileSigninConfirmationHelper(profile, return_result);
const int requests = 2;
helper->set_pending_requests(requests);
helper->CheckHasHistory(kHistoryEntriesBeforeNewProfilePrompt);
helper->CheckHasTypedURLs();
}
} // namespace ui
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