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// Copyright (c) 2009 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 "chrome/browser/cocoa/chrome_event_processing_window.h"
#include "base/logging.h"
#import "chrome/browser/cocoa/browser_command_executor.h"
#import "chrome/browser/cocoa/browser_frame_view.h"
#import "chrome/browser/cocoa/tab_strip_controller.h"
#import "chrome/browser/renderer_host/render_widget_host_view_mac.h"
#include "chrome/browser/global_keyboard_shortcuts_mac.h"
typedef int (*KeyToCommandMapper)(bool, bool, bool, bool, int);
@implementation ChromeEventProcessingWindow
- (BOOL)handleExtraKeyboardShortcut:(NSEvent*)event fromTable:
(KeyToCommandMapper)commandForKeyboardShortcut {
// Extract info from |event|.
NSUInteger modifers = [event modifierFlags];
const bool cmdKey = modifers & NSCommandKeyMask;
const bool shiftKey = modifers & NSShiftKeyMask;
const bool cntrlKey = modifers & NSControlKeyMask;
const bool optKey = modifers & NSAlternateKeyMask;
const int keyCode = [event keyCode];
int cmdNum = commandForKeyboardShortcut(cmdKey, shiftKey, cntrlKey, optKey,
keyCode);
if (cmdNum != -1) {
id executor = [self delegate];
// A bit of sanity.
DCHECK([executor conformsToProtocol:@protocol(BrowserCommandExecutor)]);
DCHECK([executor respondsToSelector:@selector(executeCommand:)]);
[executor executeCommand:cmdNum];
return YES;
}
return NO;
}
- (BOOL)handleExtraWindowKeyboardShortcut:(NSEvent*)event {
return [self handleExtraKeyboardShortcut:event
fromTable:CommandForWindowKeyboardShortcut];
}
- (BOOL)handleExtraBrowserKeyboardShortcut:(NSEvent*)event {
return [self handleExtraKeyboardShortcut:event
fromTable:CommandForBrowserKeyboardShortcut];
}
- (BOOL)shortcircuitEvent:(NSEvent*)event {
if (!redispatchingEvent_ &&
([event type] == NSKeyDown || [event type] == NSKeyUp)) {
if ([[self firstResponder]
isKindOfClass:[RenderWidgetHostViewCocoa class]]) {
// No other mac browser sends keyup() for keyboard equivalents, so let's
// suppress this.
if (([event modifierFlags] & NSCommandKeyMask) && [event type] == NSKeyUp)
return YES;
RenderWidgetHostViewCocoa* rwhv = static_cast<RenderWidgetHostViewCocoa*>(
[self firstResponder]);
[rwhv keyEvent:event];
return YES;
}
}
return NO;
}
- (BOOL)performKeyEquivalent:(NSEvent*)event {
if (redispatchingEvent_)
return NO;
// |shortcircuitEvent:| should handle all events directed to the RWHV.
DCHECK(![[self firstResponder]
isKindOfClass:[RenderWidgetHostViewCocoa class]]);
// Handle per-window shortcuts like cmd-1, but do not handle browser-level
// shortcuts like cmd-left (else, cmd-left would do history navigation even
// if e.g. the Omnibox has focus). If the web has focus, don't do this here,
// since the web needs to get a chance at swallowing the event first.
if ([self handleExtraWindowKeyboardShortcut:event])
return YES;
return [super performKeyEquivalent:event];
}
- (BOOL)redispatchEvent:(NSEvent*)event {
DCHECK(event);
DCHECK([event window] == self);
eventHandled_ = YES;
redispatchingEvent_ = YES;
[NSApp sendEvent:event];
redispatchingEvent_ = NO;
// If the event was not handled by [NSApp sendEvent:], the sendEvent:
// method below will be called, and because |redispatchingEvent_| is YES,
// |eventHandled_| will be set to NO.
return eventHandled_;
}
- (void)sendEvent:(NSEvent*)event {
if (!redispatchingEvent_)
[super sendEvent:event];
else
eventHandled_ = NO;
}
@end // ChromeEventProcessingWindow
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