mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-11 23:54:18 +00:00
156 lines
4.5 KiB
C++
156 lines
4.5 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2015 - ROLI Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#include "../jucer_Headers.h"
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#include "jucer_DownloadCompileEngineThread.h"
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#include "../LiveBuildEngine/projucer_CompileEngineDLL.h"
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bool DownloadCompileEngineThread::downloadAndInstall()
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{
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DownloadCompileEngineThread d;
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if (d.runThread())
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{
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if (d.result.failed())
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return withError (d.result.getErrorMessage());
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return true;
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}
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if (d.cancelledByUser)
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return false;
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return withError (d.result.getErrorMessage());
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}
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DownloadCompileEngineThread::DownloadCompileEngineThread()
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: ThreadWithProgressWindow ("Downloading live-build engine", true, true),
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result (Result::ok()), cancelledByUser (false)
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{
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}
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void DownloadCompileEngineThread::threadComplete (bool userPressedCancel)
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{
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cancelledByUser = userPressedCancel;
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}
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void DownloadCompileEngineThread::run()
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{
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setProgress (-1.0);
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setStatusMessage ("Downloading...");
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MemoryBlock zipData;
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result = download (zipData);
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if (result.failed())
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return;
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setStatusMessage ("Installing...");
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File installFolder = getInstallFolder();
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if (! installFolder.createDirectory())
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{
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result = Result::fail ("Install error: cannot create target directory");
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return;
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}
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result = install (zipData, installFolder);
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}
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Result DownloadCompileEngineThread::download (MemoryBlock& dest)
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{
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int statusCode = 302;
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const int timeoutMs = 10000;
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StringPairArray responseHeaders;
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URL url = getDownloadUrl();
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ScopedPointer<InputStream> in = url.createInputStream (false, nullptr, nullptr,
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String(), timeoutMs, &responseHeaders,
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&statusCode, 0);
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if (in == nullptr || statusCode != 200)
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return Result::fail ("Download error: cannot establish connection");
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MemoryOutputStream mo (dest, true);
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int64 size = in->getTotalLength();
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int64 bytesReceived = -1;
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String msg("Downloading... (123)");
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for (int64 pos = 0; pos < size; pos += bytesReceived)
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{
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setStatusMessage (msg.replace ("123", File::descriptionOfSizeInBytes (pos)));
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if (threadShouldExit())
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return Result::fail ("Download error: operation interrupted");
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bytesReceived = mo.writeFromInputStream (*in, 8192);
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if (bytesReceived == 0)
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return Result::fail ("Download error: lost connection");
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}
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return Result::ok();
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}
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Result DownloadCompileEngineThread::install (const MemoryBlock& data, File& targetFolder)
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{
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MemoryInputStream input (data, false);
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ZipFile zip (input);
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if (zip.getNumEntries() == 0)
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return Result::fail ("Install error: downloaded file is corrupt");
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if (threadShouldExit())
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return Result::fail ("Install error: operation interrupted");
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return zip.uncompressTo (targetFolder);
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}
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URL DownloadCompileEngineThread::getDownloadUrl()
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{
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String urlStub ("http://assets.roli.com/juce/JUCECompileEngine_");
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#if JUCE_MAC
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urlStub << "osx_";
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#elif JUCE_WINDOWS
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urlStub << "windows_";
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#else
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jassertfalse
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#endif
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return urlStub + ProjectInfo::versionString + ".zip";
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}
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File DownloadCompileEngineThread::getInstallFolder()
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{
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return CompileEngineDLL::getVersionedUserAppSupportFolder();
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}
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bool DownloadCompileEngineThread::withError(const String& msg)
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{
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AlertWindow::showMessageBox (AlertWindow::WarningIcon,
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"Download and install", msg);
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return false;
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}
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