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Viewing changes to src/modules/Unity/Application/applicationscreenshotprovider.cpp

  • Committer: Gerry Boland
  • Date: 2014-07-01 13:38:06 UTC
  • mto: This revision was merged to the branch mainline in revision 158.
  • Revision ID: gerry.boland@canonical.com-20140701133806-lwfnplkijthydzj4
Update QML plugin: rename to Unity.Application, merge latest unity-mir changes, add tests (not passing yet) and use category logging

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src/modules/Unity/Application/applicationscreenshotprovider.cpp
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/*
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 * Copyright (C) 2013 Canonical, Ltd.
 
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 * Copyright (C) 2013-2014 Canonical, Ltd.
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 *
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 * This program is free software: you can redistribute it and/or modify it under
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 * the terms of the GNU Lesser General Public License version 3, as published by
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#include "application_manager.h"
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#include "application.h"
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// unity-mir
 
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// QPA-mirserver
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#include "logging.h"
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// mir
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#include <mir/scene/session.h>
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// fallback grid unit used if GRID_UNIT_PX is not in the environment.
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const int defaultGridUnitPx = 8;
 
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namespace qtmir
 
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{
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ApplicationScreenshotProvider::ApplicationScreenshotProvider(ApplicationManager *appManager)
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    : QQuickImageProvider(QQuickImageProvider::Image)
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{
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}
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QImage ApplicationScreenshotProvider::requestImage(const QString &imageId, QSize * size,
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                                                     const QSize &requestedSize)
 
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QImage ApplicationScreenshotProvider::requestImage(const QString &imageId, QSize *size,
 
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                                                   const QSize &requestedSize)
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{
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    // We ignore requestedSize here intentionally to avoid keeping scaled copies around
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    Q_UNUSED(requestedSize)
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    DLOG("ApplicationScreenshotProvider::requestImage (this=%p, id=%s)", this, imageId.toLatin1().constData());
 
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    qCDebug(QTMIR_APPLICATIONS) << "ApplicationScreenshotProvider::requestImage - appId=" << imageId;
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    QString appId = imageId.split('/').first();
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    Application* app = static_cast<Application*>(m_appManager->findApplication(appId));
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    if (app == nullptr) {
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        LOG("ApplicationScreenshotProvider - app with appId %s not found", appId.toLatin1().constData());
 
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        qWarning() << "ApplicationScreenshotProvider - app with appId" << appId << "not found";
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        return QImage();
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    }
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    // TODO: if app not ready, return an app-provided splash image. If app has been stopped with saved state
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    // return the screenshot that was saved to disk.
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    if (!app->session() || !app->session()->default_surface()) {
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        LOG("ApplicationScreenshotProvider - app session not found - asking for screenshot too early");
 
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        qWarning() << "ApplicationScreenshotProvider - app session not found - asking for screenshot too early";
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        return QImage();
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    }
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    QImage image = app->screenshotImage();
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    DLOG("ApplicationScreenshotProvider - working with size %d x %d", image.width(), image.height());
 
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    qCDebug(QTMIR_APPLICATIONS) << "ApplicationScreenshotProvider - working with size" << image;
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    size->setWidth(image.width());
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    size->setHeight(image.height());
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    return image;
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}
 
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} // namespace qtmir