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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// based on content/shell/browser/shell_devtools_frontend.cc:
// 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 "devtools_frontend_qt.h"
#include "profile_qt.h"
#include "web_contents_adapter.h"
#include "web_contents_delegate_qt.h"
#include "chrome/browser/devtools/devtools_eye_dropper.h"
#include "chrome/browser/devtools/devtools_ui_bindings.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/devtools_agent_host.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/page_navigator.h"
#include "content/public/browser/site_instance.h"
#include "url/gurl.h"
using namespace QtWebEngineCore;
namespace {
static const char kScreencastEnabled[] = "screencastEnabled";
static std::string GetFrontendURL()
{
return "devtools://devtools/bundled/inspector.html";
}
} // namespace
namespace QtWebEngineCore {
// static
DevToolsFrontendQt *DevToolsFrontendQt::Show(QSharedPointer<WebContentsAdapter> frontendAdapter,
content::WebContents *inspectedContents)
{
DCHECK(frontendAdapter);
DCHECK(inspectedContents);
if (!frontendAdapter->isInitialized()) {
scoped_refptr<content::SiteInstance> site = content::SiteInstance::CreateForURL(
frontendAdapter->profile(), GURL(GetFrontendURL()));
frontendAdapter->initialize(site.get());
}
frontendAdapter->setInspector(true);
content::WebContents *contents = frontendAdapter->webContents();
if (contents == inspectedContents) {
LOG(WARNING) << "You can not inspect yourself";
return nullptr;
}
DevToolsFrontendQt *devtoolsFrontend =
new DevToolsFrontendQt(frontendAdapter, inspectedContents);
if (contents->GetURL() == GURL(GetFrontendURL())) {
contents->GetController().LoadOriginalRequestURL();
} else {
content::NavigationController::LoadURLParams loadParams((GURL(GetFrontendURL())));
loadParams.transition_type = ui::PageTransitionFromInt(ui::PAGE_TRANSITION_AUTO_TOPLEVEL
| ui::PAGE_TRANSITION_FROM_API);
contents->GetController().LoadURLWithParams(loadParams);
}
return devtoolsFrontend;
}
DevToolsFrontendQt::DevToolsFrontendQt(QSharedPointer<WebContentsAdapter> webContentsAdapter,
content::WebContents *inspectedContents)
: content::WebContentsObserver(webContentsAdapter->webContents())
, m_frontendAdapter(webContentsAdapter)
, m_inspectedContents(inspectedContents)
, m_outermostContents(inspectedContents->GetOutermostWebContents())
, m_bindings(new DevToolsUIBindings(webContentsAdapter->webContents()))
{
// bindings take ownership over devtools
m_bindings->SetDelegate(this);
m_bindings->AttachTo(content::DevToolsAgentHost::GetOrCreateFor(m_inspectedContents));
auto *prefService = m_bindings->profile()->GetPrefs();
const auto &devtoolsPrefs = prefService->GetDict(prefs::kDevToolsPreferences);
if (!devtoolsPrefs.Find(kScreencastEnabled)) {
ScopedDictPrefUpdate update(prefService, prefs::kDevToolsPreferences);
update->Set(kScreencastEnabled, "false");
}
}
DevToolsFrontendQt::~DevToolsFrontendQt()
{
if (QSharedPointer<WebContentsAdapter> p = m_frontendAdapter)
p->setInspector(false);
}
void DevToolsFrontendQt::Activate()
{
web_contents()->GetDelegate()->ActivateContents(web_contents());
}
void DevToolsFrontendQt::Focus()
{
web_contents()->Focus();
}
void DevToolsFrontendQt::InspectElementAt(int x, int y)
{
if (!m_inspectedContents)
return;
scoped_refptr<content::DevToolsAgentHost> agent(
content::DevToolsAgentHost::GetOrCreateFor(m_inspectedContents));
agent->InspectElement(m_inspectedContents->GetFocusedFrame(), x, y);
}
void DevToolsFrontendQt::Close()
{
// Don't close the webContents, it might be reused, but pretend it was
WebContentsDestroyed();
}
void DevToolsFrontendQt::DisconnectFromTarget()
{
m_bindings->Detach();
}
WebContentsDelegateQt *DevToolsFrontendQt::frontendDelegate() const
{
return static_cast<WebContentsDelegateQt *>(web_contents()->GetDelegate());
}
void DevToolsFrontendQt::ColorPickedInEyeDropper(int r, int g, int b, int a)
{
base::Value::Dict color;
color.Set("r", r);
color.Set("g", g);
color.Set("b", b);
color.Set("a", a);
m_bindings->CallClientMethod("DevToolsAPI", "eyeDropperPickedColor", base::Value(std::move(color)));
}
// content::WebContentsObserver implementation
void DevToolsFrontendQt::WebContentsDestroyed()
{
// If m_inspectedContents was a guest view it was probably already destroyed,
// but its embedder still lives.
WebContentsAdapter *inspectedAdapter =
static_cast<WebContentsDelegateQt *>(m_outermostContents->GetDelegate())
->webContentsAdapter();
if (inspectedAdapter)
inspectedAdapter->devToolsFrontendDestroyed(this);
delete m_bindings; // it will call ~DevToolsFrontendQt()
}
// DevToolsUIBindings::Delegate implementation
void DevToolsFrontendQt::ActivateWindow()
{
web_contents()->Focus();
}
void DevToolsFrontendQt::OnLoadCompleted()
{
m_bindings->CallClientMethod("DevToolsAPI", "setUseSoftMenu", base::Value(true));
}
void DevToolsFrontendQt::OpenInNewTab(const std::string &url)
{
content::OpenURLParams params(GURL(url), content::Referrer(),
WindowOpenDisposition::NEW_FOREGROUND_TAB,
ui::PAGE_TRANSITION_LINK, false);
m_inspectedContents->OpenURL(params);
}
void DevToolsFrontendQt::SetEyeDropperActive(bool active)
{
if (!m_inspectedContents)
return;
if (active) {
m_eyeDropper.reset(new DevToolsEyeDropper(
m_inspectedContents,
base::BindRepeating(&DevToolsFrontendQt::ColorPickedInEyeDropper,
base::Unretained(this))));
} else {
m_eyeDropper.reset();
}
}
// static
bool DevToolsFrontendQt::IsValidFrontendURL(const GURL &url)
{
// NOTE: the inspector app does not change the frontend url.
// If we bring back the devtools_app, the url must be sanitized
// according to chrome/browser/devtools/devtools_ui_bindings.cc.
return url.spec() == GetFrontendURL();
}
void DevToolsFrontendQt::InspectedContentsClosing()
{
// Called for already destroyed guest views
m_inspectedContents = nullptr;
web_contents()->ClosePage();
}
std::string DevToolsFrontendQt::GetId(content::WebContents *inspectedContents)
{
return content::DevToolsAgentHost::GetOrCreateFor(inspectedContents)->GetId();
}
void DevToolsFrontendQt::CloseWindow()
{
web_contents()->Close();
}
} // namespace QtWebEngineCore
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