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tray_icon_cocoa.mm
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tray_icon_cocoa.mm
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// Copyright (c) 2014 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/browser/ui/tray_icon_cocoa.h"
#include <string>
#include <vector>
#include "base/message_loop/message_loop_current.h"
#include "base/message_loop/message_pump_mac.h"
#include "base/strings/sys_string_conversions.h"
#include "base/task/post_task.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "shell/browser/ui/cocoa/NSString+ANSI.h"
#include "shell/browser/ui/cocoa/electron_menu_controller.h"
#include "ui/events/cocoa/cocoa_event_utils.h"
#include "ui/gfx/mac/coordinate_conversion.h"
#include "ui/native_theme/native_theme.h"
@interface StatusItemView : NSView {
electron::TrayIconCocoa* trayIcon_; // weak
ElectronMenuController* menuController_; // weak
BOOL ignoreDoubleClickEvents_;
base::scoped_nsobject<NSStatusItem> statusItem_;
base::scoped_nsobject<NSTrackingArea> trackingArea_;
}
@end // @interface StatusItemView
@implementation StatusItemView
- (void)dealloc {
trayIcon_ = nil;
menuController_ = nil;
[super dealloc];
}
- (id)initWithIcon:(electron::TrayIconCocoa*)icon {
trayIcon_ = icon;
menuController_ = nil;
ignoreDoubleClickEvents_ = NO;
if ((self = [super initWithFrame:CGRectZero])) {
[self registerForDraggedTypes:@[
NSFilenamesPboardType,
NSStringPboardType,
]];
// Create the status item.
NSStatusItem* item = [[NSStatusBar systemStatusBar]
statusItemWithLength:NSVariableStatusItemLength];
statusItem_.reset([item retain]);
[[statusItem_ button] addSubview:self]; // inject custom view
[self updateDimensions];
}
return self;
}
- (void)updateDimensions {
[self setFrame:[statusItem_ button].frame];
}
- (void)updateTrackingAreas {
// Use NSTrackingArea for listening to mouseEnter, mouseExit, and mouseMove
// events.
[self removeTrackingArea:trackingArea_];
trackingArea_.reset([[NSTrackingArea alloc]
initWithRect:[self bounds]
options:NSTrackingMouseEnteredAndExited | NSTrackingMouseMoved |
NSTrackingActiveAlways
owner:self
userInfo:nil]);
[self addTrackingArea:trackingArea_];
}
- (void)removeItem {
// Turn off tracking events to prevent crash.
if (trackingArea_) {
[self removeTrackingArea:trackingArea_];
trackingArea_.reset();
}
[[NSStatusBar systemStatusBar] removeStatusItem:statusItem_];
[self removeFromSuperview];
statusItem_.reset();
}
- (void)setImage:(NSImage*)image {
[[statusItem_ button] setImage:image];
[self updateDimensions];
}
- (void)setAlternateImage:(NSImage*)image {
[[statusItem_ button] setAlternateImage:image];
}
- (void)setIgnoreDoubleClickEvents:(BOOL)ignore {
ignoreDoubleClickEvents_ = ignore;
}
- (BOOL)getIgnoreDoubleClickEvents {
return ignoreDoubleClickEvents_;
}
- (void)setTitle:(NSString*)title {
if ([title containsANSICodes]) {
[[statusItem_ button]
setAttributedTitle:[title attributedStringParsingANSICodes]];
} else {
[[statusItem_ button] setTitle:title];
}
// Fix icon margins.
if (title.length > 0) {
[[statusItem_ button] setImagePosition:NSImageLeft];
} else {
[[statusItem_ button] setImagePosition:NSImageOnly];
}
[self updateDimensions];
}
- (NSString*)title {
return [statusItem_ button].title;
}
- (void)setMenuController:(ElectronMenuController*)menu {
menuController_ = menu;
[statusItem_ setMenu:[menuController_ menu]];
}
- (void)mouseDown:(NSEvent*)event {
// Pass click to superclass to show menu. Custom mouseUp handler won't be
// invoked.
if (menuController_) {
[super mouseDown:event];
} else {
[[statusItem_ button] highlight:YES];
}
}
- (void)mouseUp:(NSEvent*)event {
[[statusItem_ button] highlight:NO];
// If we are ignoring double click events, we should ignore the `clickCount`
// value and immediately emit a click event.
BOOL shouldBeHandledAsASingleClick =
(event.clickCount == 1) || ignoreDoubleClickEvents_;
if (shouldBeHandledAsASingleClick)
trayIcon_->NotifyClicked(
gfx::ScreenRectFromNSRect(event.window.frame),
gfx::ScreenPointFromNSPoint([event locationInWindow]),
ui::EventFlagsFromModifiers([event modifierFlags]));
// Double click event.
BOOL shouldBeHandledAsADoubleClick =
(event.clickCount == 2) && !ignoreDoubleClickEvents_;
if (shouldBeHandledAsADoubleClick)
trayIcon_->NotifyDoubleClicked(
gfx::ScreenRectFromNSRect(event.window.frame),
ui::EventFlagsFromModifiers([event modifierFlags]));
}
- (void)popUpContextMenu:(electron::ElectronMenuModel*)menu_model {
// Make sure events can be pumped while the menu is up.
base::MessageLoopCurrent::ScopedNestableTaskAllower allow;
// Show a custom menu.
if (menu_model) {
base::scoped_nsobject<ElectronMenuController> menuController(
[[ElectronMenuController alloc] initWithModel:menu_model
useDefaultAccelerator:NO]);
// Hacky way to mimic design of ordinary tray menu.
[statusItem_ setMenu:[menuController menu]];
// -performClick: is a blocking call, which will run the task loop inside
// itself. This can potentially include running JS, which can result in
// this object being released. We take a temporary reference here to make
// sure we stay alive long enough to successfully return from this
// function.
// TODO(nornagon/codebytere): Avoid nesting task loops here.
[self retain];
[[statusItem_ button] performClick:self];
[statusItem_ setMenu:[menuController_ menu]];
[self release];
return;
}
if (menuController_ && ![menuController_ isMenuOpen]) {
// Ensure the UI can update while the menu is fading out.
base::ScopedPumpMessagesInPrivateModes pump_private;
[[statusItem_ button] performClick:self];
}
}
- (void)rightMouseUp:(NSEvent*)event {
trayIcon_->NotifyRightClicked(
gfx::ScreenRectFromNSRect(event.window.frame),
ui::EventFlagsFromModifiers([event modifierFlags]));
}
- (NSDragOperation)draggingEntered:(id<NSDraggingInfo>)sender {
trayIcon_->NotifyDragEntered();
return NSDragOperationCopy;
}
- (void)mouseExited:(NSEvent*)event {
trayIcon_->NotifyMouseExited(
gfx::ScreenPointFromNSPoint([event locationInWindow]),
ui::EventFlagsFromModifiers([event modifierFlags]));
}
- (void)mouseEntered:(NSEvent*)event {
trayIcon_->NotifyMouseEntered(
gfx::ScreenPointFromNSPoint([event locationInWindow]),
ui::EventFlagsFromModifiers([event modifierFlags]));
}
- (void)mouseMoved:(NSEvent*)event {
trayIcon_->NotifyMouseMoved(
gfx::ScreenPointFromNSPoint([event locationInWindow]),
ui::EventFlagsFromModifiers([event modifierFlags]));
}
- (void)draggingExited:(id<NSDraggingInfo>)sender {
trayIcon_->NotifyDragExited();
}
- (void)draggingEnded:(id<NSDraggingInfo>)sender {
trayIcon_->NotifyDragEnded();
if (NSPointInRect([sender draggingLocation], self.frame)) {
trayIcon_->NotifyDrop();
}
}
- (BOOL)handleDrop:(id<NSDraggingInfo>)sender {
NSPasteboard* pboard = [sender draggingPasteboard];
if ([[pboard types] containsObject:NSFilenamesPboardType]) {
std::vector<std::string> dropFiles;
NSArray* files = [pboard propertyListForType:NSFilenamesPboardType];
for (NSString* file in files)
dropFiles.push_back(base::SysNSStringToUTF8(file));
trayIcon_->NotifyDropFiles(dropFiles);
return YES;
} else if ([[pboard types] containsObject:NSStringPboardType]) {
NSString* dropText = [pboard stringForType:NSStringPboardType];
trayIcon_->NotifyDropText(base::SysNSStringToUTF8(dropText));
return YES;
}
return NO;
}
- (BOOL)prepareForDragOperation:(id<NSDraggingInfo>)sender {
return YES;
}
- (BOOL)performDragOperation:(id<NSDraggingInfo>)sender {
[self handleDrop:sender];
return YES;
}
@end
namespace electron {
TrayIconCocoa::TrayIconCocoa() : weak_factory_(this) {
status_item_view_.reset([[StatusItemView alloc] initWithIcon:this]);
}
TrayIconCocoa::~TrayIconCocoa() {
[status_item_view_ removeItem];
}
void TrayIconCocoa::SetImage(const gfx::Image& image) {
[status_item_view_ setImage:image.AsNSImage()];
}
void TrayIconCocoa::SetPressedImage(const gfx::Image& image) {
[status_item_view_ setAlternateImage:image.AsNSImage()];
}
void TrayIconCocoa::SetToolTip(const std::string& tool_tip) {
[status_item_view_ setToolTip:base::SysUTF8ToNSString(tool_tip)];
}
void TrayIconCocoa::SetTitle(const std::string& title) {
[status_item_view_ setTitle:base::SysUTF8ToNSString(title)];
}
std::string TrayIconCocoa::GetTitle() {
return base::SysNSStringToUTF8([status_item_view_ title]);
}
void TrayIconCocoa::SetIgnoreDoubleClickEvents(bool ignore) {
[status_item_view_ setIgnoreDoubleClickEvents:ignore];
}
bool TrayIconCocoa::GetIgnoreDoubleClickEvents() {
return [status_item_view_ getIgnoreDoubleClickEvents];
}
void TrayIconCocoa::PopUpOnUI(ElectronMenuModel* menu_model) {
[status_item_view_ popUpContextMenu:menu_model];
}
void TrayIconCocoa::PopUpContextMenu(const gfx::Point& pos,
ElectronMenuModel* menu_model) {
base::PostTask(
FROM_HERE, {content::BrowserThread::UI},
base::BindOnce(&TrayIconCocoa::PopUpOnUI, weak_factory_.GetWeakPtr(),
base::Unretained(menu_model)));
}
void TrayIconCocoa::SetContextMenu(ElectronMenuModel* menu_model) {
if (menu_model) {
// Create native menu.
menu_.reset([[ElectronMenuController alloc] initWithModel:menu_model
useDefaultAccelerator:NO]);
} else {
menu_.reset();
}
[status_item_view_ setMenuController:menu_.get()];
}
gfx::Rect TrayIconCocoa::GetBounds() {
return gfx::ScreenRectFromNSRect([status_item_view_ window].frame);
}
// static
TrayIcon* TrayIcon::Create() {
return new TrayIconCocoa;
}
} // namespace electron