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// Copyright (c) 2011 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/ui/cocoa/browser_window_utils.h"
#include <Carbon/Carbon.h>
#include "base/logging.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/global_keyboard_shortcuts_mac.h"
#include "chrome/browser/ui/browser.h"
#import "chrome/browser/ui/cocoa/chrome_event_processing_window.h"
#import "chrome/browser/ui/cocoa/tabs/tab_strip_controller.h"
#include "content/public/browser/native_web_keyboard_event.h"
#include "ui/base/material_design/material_design_controller.h"
using content::NativeWebKeyboardEvent;
namespace {
CGFloat GetPatternVerticalOffsetWithTabStrip(bool tabStripVisible) {
// Without tab strip, offset an extra pixel (determined by experimentation).
if (!ui::MaterialDesignController::IsModeMaterial()) {
return tabStripVisible ? 2 : 3;
}
return tabStripVisible ? -1 : 0;
}
} // namespace
@implementation BrowserWindowUtils
+ (BOOL)shouldHandleKeyboardEvent:(const NativeWebKeyboardEvent&)event {
if (event.skip_in_browser || event.type == NativeWebKeyboardEvent::Char)
return NO;
DCHECK(event.os_event != NULL);
return YES;
}
+ (int)getCommandId:(const NativeWebKeyboardEvent&)event {
return CommandForKeyEvent(event.os_event);
}
+ (BOOL)handleKeyboardEvent:(NSEvent*)event
inWindow:(NSWindow*)window {
ChromeEventProcessingWindow* event_window =
static_cast<ChromeEventProcessingWindow*>(window);
DCHECK([event_window isKindOfClass:[ChromeEventProcessingWindow class]]);
// Do not fire shortcuts on key up.
if ([event type] == NSKeyDown) {
// Send the event to the menu before sending it to the browser/window
// shortcut handling, so that if a user configures cmd-left to mean
// "previous tab", it takes precedence over the built-in "history back"
// binding. Other than that, the |-redispatchKeyEvent:| call would take care
// of invoking the original menu item shortcut as well.
if ([[NSApp mainMenu] performKeyEquivalent:event])
return true;
if ([event_window handleExtraKeyboardShortcut:event])
return true;
}
return [event_window redispatchKeyEvent:event];
}
+ (NSString*)scheduleReplaceOldTitle:(NSString*)oldTitle
withNewTitle:(NSString*)newTitle
forWindow:(NSWindow*)window {
if (oldTitle)
[[NSRunLoop currentRunLoop]
cancelPerformSelector:@selector(setTitle:)
target:window
argument:oldTitle];
[[NSRunLoop currentRunLoop]
performSelector:@selector(setTitle:)
target:window
argument:newTitle
order:0
modes:[NSArray arrayWithObject:NSDefaultRunLoopMode]];
return [newTitle copy];
}
// The titlebar/tabstrip header on the mac is slightly smaller than on Windows.
// There is also no window frame to the left and right of the web contents on
// mac.
// To keep:
// - the window background pattern (IDR_THEME_FRAME.*) lined up vertically with
// the tab and toolbar patterns
// - the toolbar pattern lined up horizontally with the NTP background.
// we have to shift the pattern slightly, rather than drawing from the top left
// corner of the frame / tabstrip. The offsets below were empirically determined
// in order to line these patterns up.
//
// This will make the themes look slightly different than in Windows/Linux
// because of the differing heights between window top and tab top, but this has
// been approved by UI.
const CGFloat kPatternHorizontalOffset = -5;
+ (NSPoint)themeImagePositionFor:(NSView*)windowView
withTabStrip:(NSView*)tabStripView
alignment:(ThemeImageAlignment)alignment {
if (!tabStripView) {
return NSMakePoint(kPatternHorizontalOffset,
NSHeight([windowView bounds]) +
GetPatternVerticalOffsetWithTabStrip(false));
}
NSPoint position =
[BrowserWindowUtils themeImagePositionInTabStripCoords:tabStripView
alignment:alignment];
return [tabStripView convertPoint:position toView:windowView];
}
+ (NSPoint)themeImagePositionInTabStripCoords:(NSView*)tabStripView
alignment:(ThemeImageAlignment)alignment {
DCHECK(tabStripView);
if (alignment == THEME_IMAGE_ALIGN_WITH_TAB_STRIP) {
// The theme image is lined up with the top of the tab which is below the
// top of the tab strip.
return NSMakePoint(kPatternHorizontalOffset,
[TabStripController defaultTabHeight] +
GetPatternVerticalOffsetWithTabStrip(true));
}
// The theme image is lined up with the top of the tab strip (as opposed to
// the top of the tab above). This is the same as lining up with the top of
// the window's root view when not in presentation mode.
return NSMakePoint(kPatternHorizontalOffset,
NSHeight([tabStripView bounds]) +
GetPatternVerticalOffsetWithTabStrip(false));
}
+ (void)activateWindowForController:(NSWindowController*)controller {
// Per http://crbug.com/73779 and http://crbug.com/75223, we need this to
// properly activate windows if Chrome is not the active application.
[[controller window] makeKeyAndOrderFront:controller];
ProcessSerialNumber psn;
GetCurrentProcess(&psn);
SetFrontProcessWithOptions(&psn, kSetFrontProcessFrontWindowOnly);
}
@end
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