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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/qrcode_generator/qrcode_generator_bubble_controller.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/qrcode_generator/qrcode_generator_bubble_view.h"
#include "chrome/browser/ui/sharing_hub/sharing_hub_bubble_controller.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_change_registrar.h"
#include "content/public/browser/web_contents.h"
#include "url/gurl.h"
namespace {
PrefService* GetPrefService() {
return g_browser_process ? g_browser_process->local_state() : nullptr;
}
// Returns whether the QR code generator is enabled by policy.
bool IsQRCodeGeneratorEnabledByPolicy() {
const PrefService* prefs = GetPrefService();
return !prefs || prefs->GetBoolean(prefs::kQRCodeGeneratorEnabled);
}
} // namespace
namespace qrcode_generator {
QRCodeGeneratorBubbleController::~QRCodeGeneratorBubbleController() {
HideBubble();
}
// static
bool QRCodeGeneratorBubbleController::IsGeneratorAvailable(const GURL& url) {
if (!url.SchemeIsHTTPOrHTTPS()) {
return false;
}
// Check policy.
if (!IsQRCodeGeneratorEnabledByPolicy()) {
return false;
}
return true;
}
// static
QRCodeGeneratorBubbleController* QRCodeGeneratorBubbleController::Get(
content::WebContents* web_contents) {
QRCodeGeneratorBubbleController::CreateForWebContents(web_contents);
QRCodeGeneratorBubbleController* controller =
QRCodeGeneratorBubbleController::FromWebContents(web_contents);
return controller;
}
void QRCodeGeneratorBubbleController::ShowBubble(const GURL& url,
bool show_back_button) {
// Ignore subsequent calls to open the dialog if it already is open.
if (bubble_shown_) {
return;
}
// Check policy.
if (!IsQRCodeGeneratorEnabledByPolicy()) {
return;
}
Browser* browser = chrome::FindBrowserWithTab(&GetWebContents());
if (!browser || !browser->window()) {
return;
}
bubble_shown_ = true;
qrcode_generator_bubble_ = browser->window()->ShowQRCodeGeneratorBubble(
&GetWebContents(), url, show_back_button);
// Start listening for policy pref changes.
pref_change_registrar_ = std::make_unique<PrefChangeRegistrar>();
pref_change_registrar_->Init(GetPrefService());
pref_change_registrar_->Add(
prefs::kQRCodeGeneratorEnabled,
base::BindRepeating(&QRCodeGeneratorBubbleController::OnPolicyPrefChanged,
weak_ptr_factory_.GetWeakPtr()));
}
void QRCodeGeneratorBubbleController::HideBubble() {
if (qrcode_generator_bubble_) {
qrcode_generator_bubble_->Hide();
qrcode_generator_bubble_ = nullptr;
}
}
QRCodeGeneratorBubbleView*
QRCodeGeneratorBubbleController::qrcode_generator_bubble_view() const {
return qrcode_generator_bubble_;
}
base::OnceClosure QRCodeGeneratorBubbleController::GetOnBubbleClosedCallback() {
return base::BindOnce(&QRCodeGeneratorBubbleController::OnBubbleClosed,
weak_ptr_factory_.GetWeakPtr());
}
base::OnceClosure
QRCodeGeneratorBubbleController::GetOnBackButtonPressedCallback() {
return base::BindOnce(&QRCodeGeneratorBubbleController::OnBackButtonPressed,
weak_ptr_factory_.GetWeakPtr());
}
void QRCodeGeneratorBubbleController::OnBubbleClosed() {
bubble_shown_ = false;
qrcode_generator_bubble_ = nullptr;
// Stop listening for policy pref changes.
pref_change_registrar_ = nullptr;
}
void QRCodeGeneratorBubbleController::OnBackButtonPressed() {
sharing_hub::SharingHubBubbleController* controller =
sharing_hub::SharingHubBubbleController::CreateOrGetFromWebContents(
&GetWebContents());
controller->ShowBubble(share::ShareAttempt(&GetWebContents()));
}
void QRCodeGeneratorBubbleController::OnPolicyPrefChanged() {
if (!IsQRCodeGeneratorEnabledByPolicy()) {
HideBubble();
}
}
QRCodeGeneratorBubbleController::QRCodeGeneratorBubbleController(
content::WebContents* web_contents)
: content::WebContentsUserData<QRCodeGeneratorBubbleController>(
*web_contents) {}
WEB_CONTENTS_USER_DATA_KEY_IMPL(QRCodeGeneratorBubbleController);
} // namespace qrcode_generator
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