lbrycrd/src/qt/macdockiconhandler.mm

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// Copyright (c) 2011-2013 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "macdockiconhandler.h"
#include <QImageWriter>
#include <QMenu>
#include <QBuffer>
#include <QWidget>
#undef slots
#include <Cocoa/Cocoa.h>
#include <objc/objc.h>
#include <objc/message.h>
#if QT_VERSION < 0x050000
extern void qt_mac_set_dock_menu(QMenu *);
#endif
static MacDockIconHandler *s_instance = NULL;
bool dockClickHandler(id self,SEL _cmd,...) {
Q_UNUSED(self)
Q_UNUSED(_cmd)
s_instance->handleDockIconClickEvent();
// Return NO (false) to suppress the default OS X actions
return false;
}
void setupDockClickHandler() {
Class cls = objc_getClass("NSApplication");
id appInst = objc_msgSend((id)cls, sel_registerName("sharedApplication"));
if (appInst != NULL) {
id delegate = objc_msgSend(appInst, sel_registerName("delegate"));
Class delClass = (Class)objc_msgSend(delegate, sel_registerName("class"));
SEL shouldHandle = sel_registerName("applicationShouldHandleReopen:hasVisibleWindows:");
if (class_getInstanceMethod(delClass, shouldHandle))
class_replaceMethod(delClass, shouldHandle, (IMP)dockClickHandler, "B@:");
else
class_addMethod(delClass, shouldHandle, (IMP)dockClickHandler,"B@:");
}
}
MacDockIconHandler::MacDockIconHandler() : QObject()
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
setupDockClickHandler();
this->m_dummyWidget = new QWidget();
this->m_dockMenu = new QMenu(this->m_dummyWidget);
this->setMainWindow(NULL);
#if QT_VERSION < 0x050000
qt_mac_set_dock_menu(this->m_dockMenu);
#elif QT_VERSION >= 0x050200
this->m_dockMenu->setAsDockMenu();
#endif
[pool release];
}
void MacDockIconHandler::setMainWindow(QMainWindow *window) {
this->mainWindow = window;
}
MacDockIconHandler::~MacDockIconHandler()
{
delete this->m_dummyWidget;
this->setMainWindow(NULL);
}
QMenu *MacDockIconHandler::dockMenu()
{
return this->m_dockMenu;
}
void MacDockIconHandler::setIcon(const QIcon &icon)
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSImage *image = nil;
if (icon.isNull())
image = [[NSImage imageNamed:@"NSApplicationIcon"] retain];
else {
// generate NSImage from QIcon and use this as dock icon.
QSize size = icon.actualSize(QSize(128, 128));
QPixmap pixmap = icon.pixmap(size);
// Write image into a R/W buffer from raw pixmap, then save the image.
QBuffer notificationBuffer;
if (!pixmap.isNull() && notificationBuffer.open(QIODevice::ReadWrite)) {
QImageWriter writer(&notificationBuffer, "PNG");
if (writer.write(pixmap.toImage())) {
NSData* macImgData = [NSData dataWithBytes:notificationBuffer.buffer().data()
length:notificationBuffer.buffer().size()];
image = [[NSImage alloc] initWithData:macImgData];
}
}
if(!image) {
// if testnet image could not be created, load std. app icon
image = [[NSImage imageNamed:@"NSApplicationIcon"] retain];
}
}
[NSApp setApplicationIconImage:image];
[image release];
[pool release];
}
MacDockIconHandler *MacDockIconHandler::instance()
{
if (!s_instance)
s_instance = new MacDockIconHandler();
return s_instance;
}
void MacDockIconHandler::cleanup()
{
delete s_instance;
}
void MacDockIconHandler::handleDockIconClickEvent()
{
if (this->mainWindow)
{
this->mainWindow->activateWindow();
this->mainWindow->show();
}
emit this->dockIconClicked();
}