git.iko.soy/unity8
on a91dd21 help sign in
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 screenshot = app->screenshot();
48 // QImage doesn't understand qrc:/// but we have QUrls in use which don't like the empty protcol ":/"
49 screenshot.replace("qrc:///", ":/");
51 QImage image;
52 if (!image.load(screenshot)) {
53 qWarning() << "failed loading app image" << screenshot;
54 }
57 if (app->stage() == ApplicationInfo::SideStage) {
58 QByteArray gus = qgetenv("GRID_UNIT_PX");
59 if (gus.isEmpty() || gus.toInt() == 0) {
60 gus = "8";
61 }
62 image = image.scaledToWidth(gus.toInt() * 48);
63 } else {
64 // Lets scale main stage applications to be the size of the screen/window.
65 QGuiApplication *unity = qobject_cast<QGuiApplication*>(qApp);
66 Q_FOREACH (QWindow *win, unity->allWindows()) {
67 QQuickWindow *quickWin = qobject_cast<QQuickWindow*>(win);
68 if (quickWin) {
69 image = image.scaledToWidth(quickWin->width());
70 break;
71 }
72 }
73 }
75 size->setWidth(image.width());
76 size->setHeight(image.height());
78 return image;