| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #import "ui/views/cocoa/native_widget_mac_nswindow.h" |
| |
| #include "base/mac/foundation_util.h" |
| #import "ui/base/cocoa/user_interface_item_command_handler.h" |
| #import "ui/views/cocoa/views_nswindow_delegate.h" |
| #include "ui/views/controls/menu/menu_controller.h" |
| #include "ui/views/widget/native_widget_mac.h" |
| #include "ui/views/widget/widget_delegate.h" |
| |
| @interface NativeWidgetMacNSWindow () |
| - (ViewsNSWindowDelegate*)viewsNSWindowDelegate; |
| - (views::Widget*)viewsWidget; |
| - (BOOL)hasViewsMenuActive; |
| |
| // Private API on NSWindow, determines whether the title is drawn on the title |
| // bar. The title is still visible in menus, Expose, etc. |
| - (BOOL)_isTitleHidden; |
| @end |
| |
| @implementation NativeWidgetMacNSWindow { |
| @private |
| base::scoped_nsobject<CommandDispatcher> commandDispatcher_; |
| base::scoped_nsprotocol<id<UserInterfaceItemCommandHandler>> commandHandler_; |
| } |
| |
| - (instancetype)initWithContentRect:(NSRect)contentRect |
| styleMask:(NSUInteger)windowStyle |
| backing:(NSBackingStoreType)bufferingType |
| defer:(BOOL)deferCreation { |
| if ((self = [super initWithContentRect:contentRect |
| styleMask:windowStyle |
| backing:bufferingType |
| defer:deferCreation])) { |
| commandDispatcher_.reset([[CommandDispatcher alloc] initWithOwner:self]); |
| } |
| return self; |
| } |
| |
| // Public methods. |
| |
| - (void)setCommandDispatcherDelegate:(id<CommandDispatcherDelegate>)delegate { |
| [commandDispatcher_ setDelegate:delegate]; |
| } |
| |
| // Private methods. |
| |
| - (ViewsNSWindowDelegate*)viewsNSWindowDelegate { |
| return base::mac::ObjCCastStrict<ViewsNSWindowDelegate>([self delegate]); |
| } |
| |
| - (views::Widget*)viewsWidget { |
| return [[self viewsNSWindowDelegate] nativeWidgetMac]->GetWidget(); |
| } |
| |
| - (BOOL)hasViewsMenuActive { |
| views::MenuController* menuController = |
| views::MenuController::GetActiveInstance(); |
| return menuController && menuController->owner() == [self viewsWidget]; |
| } |
| |
| // NSWindow overrides. |
| |
| - (BOOL)_isTitleHidden { |
| if (![self delegate]) |
| return NO; |
| |
| return ![self viewsWidget]->widget_delegate()->ShouldShowWindowTitle(); |
| } |
| |
| // Ignore [super canBecome{Key,Main}Window]. The default is NO for windows with |
| // NSBorderlessWindowMask, which is not the desired behavior. |
| // Note these can be called via -[NSWindow close] while the widget is being torn |
| // down, so check for a delegate. |
| - (BOOL)canBecomeKeyWindow { |
| return [self delegate] && [self viewsWidget]->CanActivate(); |
| } |
| |
| - (BOOL)canBecomeMainWindow { |
| if (![self delegate]) |
| return NO; |
| |
| // Dialogs shouldn't take large shadows away from their parent window. |
| views::Widget* widget = [self viewsWidget]; |
| return widget->CanActivate() && !widget->IsDialogBox(); |
| } |
| |
| // Override sendEvent to allow key events to be forwarded to a toolkit-views |
| // menu while it is active, and while still allowing any native subview to |
| // retain firstResponder status. |
| - (void)sendEvent:(NSEvent*)event { |
| // Let CommandDispatcher check if this is a redispatched event. |
| if ([commandDispatcher_ preSendEvent:event]) |
| return; |
| |
| NSEventType type = [event type]; |
| if ((type != NSKeyDown && type != NSKeyUp) || ![self hasViewsMenuActive]) { |
| [super sendEvent:event]; |
| return; |
| } |
| |
| // Send to the menu, after converting the event into an action message using |
| // the content view. |
| if (type == NSKeyDown) |
| [[self contentView] keyDown:event]; |
| else |
| [[self contentView] keyUp:event]; |
| } |
| |
| // Override display, since this is the first opportunity Cocoa gives to detect |
| // a visibility change in some cases. For example, restoring from the dock first |
| // calls -[NSWindow display] before any NSWindowDelegate functions and before |
| // ordering the window (and without actually calling -[NSWindow deminiaturize]). |
| // By notifying the delegate that a display is about to occur, it can apply a |
| // correct visibility state, before [super display] requests a draw of the |
| // contentView. -[NSWindow isVisible] can still report NO at this point, so this |
| // gives the delegate time to apply correct visibility before the draw occurs. |
| - (void)display { |
| [[self viewsNSWindowDelegate] onWindowWillDisplay]; |
| [super display]; |
| } |
| |
| // Override window order functions to intercept other visibility changes. This |
| // is needed in addition to the -[NSWindow display] override because Cocoa |
| // hardly ever calls display, and reports -[NSWindow isVisible] incorrectly |
| // when ordering in a window for the first time. |
| - (void)orderWindow:(NSWindowOrderingMode)orderingMode |
| relativeTo:(NSInteger)otherWindowNumber { |
| [[self viewsNSWindowDelegate] onWindowOrderWillChange:orderingMode]; |
| [super orderWindow:orderingMode relativeTo:otherWindowNumber]; |
| [[self viewsNSWindowDelegate] onWindowOrderChanged:nil]; |
| } |
| |
| // NSResponder implementation. |
| |
| - (BOOL)performKeyEquivalent:(NSEvent*)event { |
| return [commandDispatcher_ performKeyEquivalent:event]; |
| } |
| |
| - (void)cursorUpdate:(NSEvent*)theEvent { |
| // The cursor provided by the delegate should only be applied within the |
| // content area. This is because we rely on the contentView to track the |
| // mouse cursor and forward cursorUpdate: messages up the responder chain. |
| // The cursorUpdate: isn't handled in BridgedContentView because views-style |
| // SetCapture() conflicts with the way tracking events are processed for |
| // the view during a drag. Since the NSWindow is still in the responder chain |
| // overriding cursorUpdate: here handles both cases. |
| if (!NSPointInRect([theEvent locationInWindow], [[self contentView] frame])) { |
| [super cursorUpdate:theEvent]; |
| return; |
| } |
| |
| NSCursor* cursor = [[self viewsNSWindowDelegate] cursor]; |
| if (cursor) |
| [cursor set]; |
| else |
| [super cursorUpdate:theEvent]; |
| } |
| |
| // CommandDispatchingWindow implementation. |
| |
| - (void)setCommandHandler:(id<UserInterfaceItemCommandHandler>)commandHandler { |
| commandHandler_.reset([commandHandler retain]); |
| } |
| |
| - (BOOL)redispatchKeyEvent:(NSEvent*)event { |
| return [commandDispatcher_ redispatchKeyEvent:event]; |
| } |
| |
| - (BOOL)defaultPerformKeyEquivalent:(NSEvent*)event { |
| return [super performKeyEquivalent:event]; |
| } |
| |
| - (void)commandDispatch:(id)sender { |
| [commandHandler_ commandDispatch:sender window:self]; |
| } |
| |
| - (void)commandDispatchUsingKeyModifiers:(id)sender { |
| [commandHandler_ commandDispatchUsingKeyModifiers:sender window:self]; |
| } |
| |
| // NSWindow overrides (NSUserInterfaceItemValidations implementation) |
| |
| - (BOOL)validateUserInterfaceItem:(id<NSValidatedUserInterfaceItem>)item { |
| // Since this class implements these selectors, |super| will always say they |
| // are enabled. Only use [super] to validate other selectors. If there is no |
| // command handler, defer to AppController. |
| if ([item action] == @selector(commandDispatch:) || |
| [item action] == @selector(commandDispatchUsingKeyModifiers:)) { |
| return commandHandler_ |
| ? [commandHandler_ validateUserInterfaceItem:item window:self] |
| : [[NSApp delegate] validateUserInterfaceItem:item]; |
| } |
| |
| return [super validateUserInterfaceItem:item]; |
| } |
| |
| @end |