git.iko.soy/unity8
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unity8/tests/mocks/Unity/Application/ApplicationScreenshotProvider.cpp
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1/*
2 * Copyright (C) 2014 Canonical, Ltd.
3 *
4 * This program is free software: you can redistribute it and/or modify it under
5 * the terms of the GNU Lesser General Public License version 3, as published by
6 * the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
10 * SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
17#include "ApplicationScreenshotProvider.h"
18#include "ApplicationManager.h"
19#include "ApplicationInfo.h"
21#include "paths.h"
23#include <QDebug>
24#include <QGuiApplication>
25#include <QWindow>
26#include <QQuickWindow>
28ApplicationScreenshotProvider::ApplicationScreenshotProvider(ApplicationManager *appManager)
29 : QQuickImageProvider(QQuickImageProvider::Image)
30 , m_appManager(appManager)
34QImage ApplicationScreenshotProvider::requestImage(const QString &imageId, QSize * size,
35 const QSize &requestedSize)
37 // We ignore requestedSize here intentionally to avoid keeping scaled copies around
38 Q_UNUSED(requestedSize)
40 QString appId = imageId.split('/').first();
42 ApplicationInfo* app = static_cast<ApplicationInfo*>(m_appManager->findApplication(appId));
43 if (app == nullptr) {
44 return QImage();
45 }
47 QString filePath = QString("%1/Dash/graphics/phone/screenshots/%2@12.png").arg(qmlDirectory()).arg(app->icon().toString());
49 QImage image;
50 if (!image.load(filePath)) {
51 qWarning() << "failed loading app image" << filePath;
52 }
55 if (app->stage() == ApplicationInfo::SideStage) {
56 QByteArray gus = qgetenv("GRID_UNIT_PX");
57 if (gus.isEmpty() || gus.toInt() == 0) {
58 gus = "8";
59 }
60 image = image.scaledToWidth(gus.toInt() * 48);
61 } else {
62 // Lets scale main stage applications to be the size of the screen/window.
63 QGuiApplication *unity = qobject_cast<QGuiApplication*>(qApp);
64 Q_FOREACH (QWindow *win, unity->allWindows()) {
65 QQuickWindow *quickWin = qobject_cast<QQuickWindow*>(win);
66 if (quickWin) {
67 image = image.scaledToWidth(quickWin->width() - m_appManager->rightMargin());
68 break;
69 }
70 }
71 }
73 size->setWidth(image.width());
74 size->setHeight(image.height());
76 return image;