diff options
Diffstat (limited to 'chrome/browser/cocoa/clickhold_button_cell.mm')
| -rw-r--r-- | chrome/browser/cocoa/clickhold_button_cell.mm | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/chrome/browser/cocoa/clickhold_button_cell.mm b/chrome/browser/cocoa/clickhold_button_cell.mm deleted file mode 100644 index 0dd5c3f..0000000 --- a/chrome/browser/cocoa/clickhold_button_cell.mm +++ /dev/null @@ -1,190 +0,0 @@ -// 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/clickhold_button_cell.h" - -#include "base/logging.h" - -// Minimum and maximum click-hold timeout. -static const NSTimeInterval kMinTimeout = 0.0; -static const NSTimeInterval kMaxTimeout = 5.0; - -// Drag distance threshold to activate click-hold; should be >= 0. -static const CGFloat kDragDistThreshold = 2.5; - -// See |-resetToDefaults| (and header file) for other default values. - -@interface ClickHoldButtonCell (Private) -- (void)resetToDefaults; -@end // @interface ClickHoldButtonCell (Private) - -@implementation ClickHoldButtonCell - -// Overrides: - -+ (BOOL)prefersTrackingUntilMouseUp { - return NO; -} - -- (id)init { - if ((self = [super init])) - [self resetToDefaults]; - return self; -} - -- (id)initWithCoder:(NSCoder*)decoder { - if ((self = [super initWithCoder:decoder])) - [self resetToDefaults]; - return self; -} - -- (id)initImageCell:(NSImage*)image { - if ((self = [super initImageCell:image])) - [self resetToDefaults]; - return self; -} - -- (id)initTextCell:(NSString*)string { - if ((self = [super initTextCell:string])) - [self resetToDefaults]; - return self; -} - -- (BOOL)startTrackingAt:(NSPoint)startPoint - inView:(NSView*)controlView { - return enableClickHold_ ? YES : - [super startTrackingAt:startPoint - inView:controlView]; -} - -- (BOOL)continueTracking:(NSPoint)lastPoint - at:(NSPoint)currentPoint - inView:(NSView*)controlView { - return enableClickHold_ ? YES : - [super continueTracking:lastPoint - at:currentPoint - inView:controlView]; -} - -- (BOOL)trackMouse:(NSEvent*)originalEvent - inRect:(NSRect)cellFrame - ofView:(NSView*)controlView - untilMouseUp:(BOOL)untilMouseUp { - if (!enableClickHold_) { - return [super trackMouse:originalEvent - inRect:cellFrame - ofView:controlView - untilMouseUp:untilMouseUp]; - } - - // If doing click-hold, track the mouse ourselves. - NSPoint currPoint = [controlView convertPoint:[originalEvent locationInWindow] - fromView:nil]; - NSPoint lastPoint = currPoint; - NSPoint firstPoint = currPoint; - NSTimeInterval timeout = - MAX(MIN(clickHoldTimeout_, kMaxTimeout), kMinTimeout); - NSDate* clickHoldBailTime = [NSDate dateWithTimeIntervalSinceNow:timeout]; - - if (![self startTrackingAt:currPoint inView:controlView]) - return NO; - - enum { - kContinueTrack, kStopClickHold, kStopMouseUp, kStopLeftRect, kStopNoContinue - } state = kContinueTrack; - do { - NSEvent* event = [NSApp nextEventMatchingMask:(NSLeftMouseDraggedMask | - NSLeftMouseUpMask) - untilDate:clickHoldBailTime - inMode:NSEventTrackingRunLoopMode - dequeue:YES]; - currPoint = [controlView convertPoint:[event locationInWindow] - fromView:nil]; - - // Time-out. - if (!event) { - state = kStopClickHold; - - // Drag? (If distance meets threshold.) - } else if (activateOnDrag_ && ([event type] == NSLeftMouseDragged)) { - CGFloat dx = currPoint.x - firstPoint.x; - CGFloat dy = currPoint.y - firstPoint.y; - if ((dx*dx + dy*dy) >= (kDragDistThreshold*kDragDistThreshold)) - state = kStopClickHold; - - // Mouse up. - } else if ([event type] == NSLeftMouseUp) { - state = kStopMouseUp; - - // Stop tracking if mouse left frame rectangle (if requested to do so). - } else if (trackOnlyInRect_ && ![controlView mouse:currPoint - inRect:cellFrame]) { - state = kStopLeftRect; - - // Stop tracking if instructed to. - } else if (![self continueTracking:lastPoint - at:currPoint - inView:controlView]) { - state = kStopNoContinue; - } - - lastPoint = currPoint; - } while (state == kContinueTrack); - - [self stopTracking:lastPoint - at:lastPoint - inView:controlView - mouseIsUp:NO]; - - switch (state) { - case kStopClickHold: - if (clickHoldAction_) { - [static_cast<NSControl*>(controlView) sendAction:clickHoldAction_ - to:clickHoldTarget_]; - } - return YES; - - case kStopMouseUp: - if ([self action]) { - [static_cast<NSControl*>(controlView) sendAction:[self action] - to:[self target]]; - } - return YES; - - case kStopLeftRect: - case kStopNoContinue: - return NO; - - default: - NOTREACHED() << "Unknown terminating state!"; - } - - return NO; -} - -// Accessors and mutators: - -@synthesize enableClickHold = enableClickHold_; -@synthesize clickHoldTimeout = clickHoldTimeout_; -@synthesize trackOnlyInRect = trackOnlyInRect_; -@synthesize activateOnDrag = activateOnDrag_; -@synthesize clickHoldTarget = clickHoldTarget_; -@synthesize clickHoldAction = clickHoldAction_; - -@end // @implementation ClickHoldButtonCell - -@implementation ClickHoldButtonCell (Private) - -// Resets various members to defaults indicated in the header file. (Those -// without indicated defaults are *not* touched.) Please keep the values below -// in sync with the header file, and please be aware of side-effects on code -// which relies on the "published" defaults. -- (void)resetToDefaults { - [self setEnableClickHold:NO]; - [self setClickHoldTimeout:0.25]; - [self setTrackOnlyInRect:NO]; - [self setActivateOnDrag:YES]; -} - -@end // @implementation ClickHoldButtonCell (Private) |