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/*
* Copyright (C) 2010, 2011 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "WebPopupMenuProxyMac.h"
#if USE(APPKIT)
#import "NativeWebMouseEvent.h"
#import "PageClientImpl.h"
#import "PlatformPopupMenuData.h"
#import "StringUtilities.h"
#import "WKView.h"
#import "WebPopupItem.h"
#import <WebKitSystemInterface.h>
using namespace WebCore;
namespace WebKit {
WebPopupMenuProxyMac::WebPopupMenuProxyMac(WKView *webView, WebPopupMenuProxy::Client* client)
: WebPopupMenuProxy(client)
, m_webView(webView)
{
}
WebPopupMenuProxyMac::~WebPopupMenuProxyMac()
{
if (m_popup)
[m_popup.get() setControlView:nil];
}
void WebPopupMenuProxyMac::populate(const Vector<WebPopupItem>& items, NSFont *font, TextDirection menuTextDirection)
{
if (m_popup)
[m_popup.get() removeAllItems];
else {
m_popup = adoptNS([[NSPopUpButtonCell alloc] initTextCell:@"" pullsDown:NO]);
[m_popup.get() setUsesItemFromMenu:NO];
[m_popup.get() setAutoenablesItems:NO];
}
int size = items.size();
for (int i = 0; i < size; i++) {
if (items[i].m_type == WebPopupItem::Separator)
[[m_popup.get() menu] addItem:[NSMenuItem separatorItem]];
else {
[m_popup.get() addItemWithTitle:@""];
NSMenuItem *menuItem = [m_popup.get() lastItem];
RetainPtr<NSMutableParagraphStyle> paragraphStyle = adoptNS([[NSParagraphStyle defaultParagraphStyle] mutableCopy]);
NSWritingDirection writingDirection = items[i].m_textDirection == LTR ? NSWritingDirectionLeftToRight : NSWritingDirectionRightToLeft;
[paragraphStyle.get() setBaseWritingDirection:writingDirection];
[paragraphStyle.get() setAlignment:menuTextDirection == LTR ? NSLeftTextAlignment : NSRightTextAlignment];
RetainPtr<NSMutableDictionary> attributes = adoptNS([[NSMutableDictionary alloc] initWithObjectsAndKeys:
paragraphStyle.get(), NSParagraphStyleAttributeName,
font, NSFontAttributeName,
nil]);
if (items[i].m_hasTextDirectionOverride) {
RetainPtr<NSNumber> writingDirectionValue = adoptNS([[NSNumber alloc] initWithInteger:writingDirection + NSTextWritingDirectionOverride]);
RetainPtr<NSArray> writingDirectionArray = adoptNS([[NSArray alloc] initWithObjects:writingDirectionValue.get(), nil]);
[attributes.get() setObject:writingDirectionArray.get() forKey:NSWritingDirectionAttributeName];
}
RetainPtr<NSAttributedString> string = adoptNS([[NSAttributedString alloc] initWithString:nsStringFromWebCoreString(items[i].m_text) attributes:attributes.get()]);
[menuItem setAttributedTitle:string.get()];
// We set the title as well as the attributed title here. The attributed title will be displayed in the menu,
// but typeahead will use the non-attributed string that doesn't contain any leading or trailing whitespace.
[menuItem setTitle:[[string.get() string] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]]];
[menuItem setEnabled:items[i].m_isEnabled];
[menuItem setToolTip:nsStringFromWebCoreString(items[i].m_toolTip)];
}
}
}
void WebPopupMenuProxyMac::showPopupMenu(const IntRect& rect, TextDirection textDirection, double pageScaleFactor, const Vector<WebPopupItem>& items, const PlatformPopupMenuData& data, int32_t selectedIndex)
{
NSFont *font;
if (data.fontInfo.fontAttributeDictionary) {
NSFontDescriptor *fontDescriptor = [NSFontDescriptor fontDescriptorWithFontAttributes:(NSDictionary *)data.fontInfo.fontAttributeDictionary.get()];
font = [NSFont fontWithDescriptor:fontDescriptor size:((pageScaleFactor != 1) ? [fontDescriptor pointSize] * pageScaleFactor : 0)];
} else
font = [NSFont menuFontOfSize:0];
populate(items, font, textDirection);
[m_popup.get() attachPopUpWithFrame:rect inView:m_webView];
[m_popup.get() selectItemAtIndex:selectedIndex];
[m_popup.get() setUserInterfaceLayoutDirection:textDirection == LTR ? NSUserInterfaceLayoutDirectionLeftToRight : NSUserInterfaceLayoutDirectionRightToLeft];
NSMenu *menu = [m_popup.get() menu];
// These values were borrowed from AppKit to match their placement of the menu.
const int popOverHorizontalAdjust = -10;
const int popUnderHorizontalAdjust = 6;
const int popUnderVerticalAdjust = 6;
// Menus that pop-over directly obscure the node that generated the popup menu.
// Menus that pop-under are offset underneath it.
NSPoint location;
if (data.shouldPopOver) {
NSRect titleFrame = [m_popup.get() titleRectForBounds:rect];
if (titleFrame.size.width <= 0 || titleFrame.size.height <= 0)
titleFrame = rect;
float vertOffset = roundf((NSMaxY(rect) - NSMaxY(titleFrame)) + NSHeight(titleFrame));
location = NSMakePoint(NSMinX(rect) + popOverHorizontalAdjust, NSMaxY(rect) - vertOffset);
} else
location = NSMakePoint(NSMinX(rect) + popUnderHorizontalAdjust, NSMaxY(rect) + popUnderVerticalAdjust);
RetainPtr<NSView> dummyView = adoptNS([[NSView alloc] initWithFrame:rect]);
[m_webView addSubview:dummyView.get()];
location = [dummyView.get() convertPoint:location fromView:m_webView];
WKPopupMenu(menu, location, roundf(NSWidth(rect)), dummyView.get(), selectedIndex, font);
[m_popup.get() dismissPopUp];
[dummyView.get() removeFromSuperview];
if (!m_client)
return;
m_client->valueChangedForPopupMenu(this, [m_popup.get() indexOfSelectedItem]);
// <https://bugs.webkit.org/show_bug.cgi?id=57904> This code is adopted from EventHandler::sendFakeEventsAfterWidgetTracking().
if (!m_client->currentlyProcessedMouseDownEvent())
return;
NSEvent* initiatingNSEvent = m_client->currentlyProcessedMouseDownEvent()->nativeEvent();
if ([initiatingNSEvent type] != NSLeftMouseDown)
return;
NSEvent *fakeEvent = [NSEvent mouseEventWithType:NSLeftMouseUp
location:[initiatingNSEvent locationInWindow]
modifierFlags:[initiatingNSEvent modifierFlags]
timestamp:[initiatingNSEvent timestamp]
windowNumber:[initiatingNSEvent windowNumber]
context:[initiatingNSEvent context]
eventNumber:[initiatingNSEvent eventNumber]
clickCount:[initiatingNSEvent clickCount]
pressure:[initiatingNSEvent pressure]];
[NSApp postEvent:fakeEvent atStart:YES];
fakeEvent = [NSEvent mouseEventWithType:NSMouseMoved
location:[[m_webView window] convertScreenToBase:[NSEvent mouseLocation]]
modifierFlags:[initiatingNSEvent modifierFlags]
timestamp:[initiatingNSEvent timestamp]
windowNumber:[initiatingNSEvent windowNumber]
context:[initiatingNSEvent context]
eventNumber:0
clickCount:0
pressure:0];
[NSApp postEvent:fakeEvent atStart:YES];
}
void WebPopupMenuProxyMac::hidePopupMenu()
{
[m_popup.get() dismissPopUp];
}
} // namespace WebKit
#endif // USE(APPKIT)
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