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** This file is part of the QtWebEngine module of the Qt Toolkit.
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** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
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#include "web_contents_delegate_qt.h"

#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/invalidate_type.h"
#include "content/public/common/renderer_preferences.h"

#include <QGuiApplication>
#include <QStyleHints>
#include <QUrl>

static const int kTestWindowWidth = 800;
static const int kTestWindowHeight = 600;

WebContentsDelegateQt::WebContentsDelegateQt(content::BrowserContext* browser_context, content::SiteInstance* site_instance, int routing_id, const gfx::Size& initial_size)
{
    content::WebContents::CreateParams create_params(browser_context, site_instance);
    create_params.routing_id = routing_id;
    if (!initial_size.IsEmpty())
        create_params.initial_size = initial_size;
    else
        create_params.initial_size = gfx::Size(kTestWindowWidth, kTestWindowHeight);

    m_webContents.reset(content::WebContents::Create(create_params));

    content::RendererPreferences* rendererPrefs = m_webContents->GetMutableRendererPrefs();
    rendererPrefs->use_custom_colors = true;
    // Qt returns a flash time (the whole cycle) in ms, chromium expects just the interval in seconds
    const int qtCursorFlashTime = QGuiApplication::styleHints()->cursorFlashTime();
    rendererPrefs->caret_blink_interval = 0.5 * static_cast<double>(qtCursorFlashTime) / 1000;
    m_webContents->GetRenderViewHost()->SyncRendererPrefs();

    m_webContents->SetDelegate(this);
}

void WebContentsDelegateQt::NavigationStateChanged(const content::WebContents* source, unsigned changed_flags)
{
    if (changed_flags & content::INVALIDATE_TYPE_URL) {
        GURL gurl = web_contents()->GetVisibleURL();
        QUrl url(QString::fromStdString(gurl.spec()));
        Q_EMIT urlChanged(url);
    }
}

void WebContentsDelegateQt::LoadingStateChanged(content::WebContents* source)
{
    Q_EMIT loadingStateChanged();
}

content::WebContents* WebContentsDelegateQt::web_contents()
{
    return m_webContents.get();
}