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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #import "chrome/browser/ui/cocoa/tabs/tab_view.h" | 5 #import "chrome/browser/ui/cocoa/tabs/tab_view.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #import "base/mac/mac_util.h" | |
9 #include "base/mac/scoped_cftyperef.h" | |
10 #include "chrome/browser/themes/theme_service.h" | 8 #include "chrome/browser/themes/theme_service.h" |
11 #import "chrome/browser/ui/cocoa/nsview_additions.h" | 9 #import "chrome/browser/ui/cocoa/nsview_additions.h" |
12 #import "chrome/browser/ui/cocoa/tabs/tab_controller.h" | 10 #import "chrome/browser/ui/cocoa/tabs/tab_controller.h" |
13 #import "chrome/browser/ui/cocoa/tabs/tab_window_controller.h" | 11 #import "chrome/browser/ui/cocoa/tabs/tab_window_controller.h" |
14 #import "chrome/browser/ui/cocoa/themed_window.h" | 12 #import "chrome/browser/ui/cocoa/themed_window.h" |
15 #import "chrome/browser/ui/cocoa/view_id_util.h" | 13 #import "chrome/browser/ui/cocoa/view_id_util.h" |
16 #include "grit/generated_resources.h" | 14 #include "grit/generated_resources.h" |
17 #include "grit/theme_resources.h" | 15 #include "grit/theme_resources.h" |
18 #include "grit/theme_resources_standard.h" | 16 #include "grit/theme_resources_standard.h" |
19 #include "ui/base/l10n/l10n_util.h" | 17 #include "ui/base/l10n/l10n_util.h" |
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32 const NSTimeInterval kHoverHoldDuration = 0.02; | 30 const NSTimeInterval kHoverHoldDuration = 0.02; |
33 const NSTimeInterval kHoverHideDuration = 0.4; | 31 const NSTimeInterval kHoverHideDuration = 0.4; |
34 const NSTimeInterval kAlertShowDuration = 0.4; | 32 const NSTimeInterval kAlertShowDuration = 0.4; |
35 const NSTimeInterval kAlertHoldDuration = 0.4; | 33 const NSTimeInterval kAlertHoldDuration = 0.4; |
36 const NSTimeInterval kAlertHideDuration = 0.4; | 34 const NSTimeInterval kAlertHideDuration = 0.4; |
37 | 35 |
38 // The default time interval in seconds between glow updates (when | 36 // The default time interval in seconds between glow updates (when |
39 // increasing/decreasing). | 37 // increasing/decreasing). |
40 const NSTimeInterval kGlowUpdateInterval = 0.025; | 38 const NSTimeInterval kGlowUpdateInterval = 0.025; |
41 | 39 |
42 const CGFloat kTearDistance = 36.0; | |
43 const NSTimeInterval kTearDuration = 0.333; | |
44 | |
45 // This is used to judge whether the mouse has moved during rapid closure; if it | 40 // This is used to judge whether the mouse has moved during rapid closure; if it |
46 // has moved less than the threshold, we want to close the tab. | 41 // has moved less than the threshold, we want to close the tab. |
47 const CGFloat kRapidCloseDist = 2.5; | 42 const CGFloat kRapidCloseDist = 2.5; |
48 | 43 |
49 } // namespace | 44 } // namespace |
50 | 45 |
51 @interface TabView(Private) | 46 @interface TabView(Private) |
52 | 47 |
53 - (void)resetLastGlowUpdateTime; | 48 - (void)resetLastGlowUpdateTime; |
54 - (NSTimeInterval)timeElapsedSinceLastGlowUpdate; | 49 - (NSTimeInterval)timeElapsedSinceLastGlowUpdate; |
55 - (void)adjustGlowValue; | 50 - (void)adjustGlowValue; |
56 // TODO(davidben): When we stop supporting 10.5, this can be removed. | |
57 - (int)getWorkspaceID:(NSWindow*)window useCache:(BOOL)useCache; | |
58 - (NSBezierPath*)bezierPathForRect:(NSRect)rect; | 51 - (NSBezierPath*)bezierPathForRect:(NSRect)rect; |
59 | 52 |
60 @end // TabView(Private) | 53 @end // TabView(Private) |
61 | 54 |
62 @implementation TabView | 55 @implementation TabView |
63 | 56 |
64 @synthesize state = state_; | 57 @synthesize state = state_; |
65 @synthesize hoverAlpha = hoverAlpha_; | 58 @synthesize hoverAlpha = hoverAlpha_; |
66 @synthesize alertAlpha = alertAlpha_; | 59 @synthesize alertAlpha = alertAlpha_; |
67 @synthesize closing = closing_; | 60 @synthesize closing = closing_; |
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146 // works well enough. | 139 // works well enough. |
147 NSRect hitRect = NSInsetRect(frame, frame.size.height / 3.0f, 0); | 140 NSRect hitRect = NSInsetRect(frame, frame.size.height / 3.0f, 0); |
148 if (![closeButton_ isHidden]) | 141 if (![closeButton_ isHidden]) |
149 if (NSPointInRect(viewPoint, [closeButton_ frame])) return closeButton_; | 142 if (NSPointInRect(viewPoint, [closeButton_ frame])) return closeButton_; |
150 if (NSPointInRect(aPoint, hitRect)) return self; | 143 if (NSPointInRect(aPoint, hitRect)) return self; |
151 return nil; | 144 return nil; |
152 } | 145 } |
153 | 146 |
154 // Returns |YES| if this tab can be torn away into a new window. | 147 // Returns |YES| if this tab can be torn away into a new window. |
155 - (BOOL)canBeDragged { | 148 - (BOOL)canBeDragged { |
156 if ([self isClosing]) | 149 return [controller_ tabCanBeDragged:controller_]; |
157 return NO; | |
158 NSWindowController* controller = [sourceWindow_ windowController]; | |
159 if ([controller isKindOfClass:[TabWindowController class]]) { | |
160 TabWindowController* realController = | |
161 static_cast<TabWindowController*>(controller); | |
162 return [realController isTabDraggable:self]; | |
163 } | |
164 return YES; | |
165 } | |
166 | |
167 // Returns an array of controllers that could be a drop target, ordered front to | |
168 // back. It has to be of the appropriate class, and visible (obviously). Note | |
169 // that the window cannot be a target for itself. | |
170 - (NSArray*)dropTargetsForController:(TabWindowController*)dragController { | |
171 NSMutableArray* targets = [NSMutableArray array]; | |
172 NSWindow* dragWindow = [dragController window]; | |
173 for (NSWindow* window in [NSApp orderedWindows]) { | |
174 if (window == dragWindow) continue; | |
175 if (![window isVisible]) continue; | |
176 // Skip windows on the wrong space. | |
177 if ([window respondsToSelector:@selector(isOnActiveSpace)]) { | |
178 if (![window performSelector:@selector(isOnActiveSpace)]) | |
179 continue; | |
180 } else { | |
181 // TODO(davidben): When we stop supporting 10.5, this can be | |
182 // removed. | |
183 // | |
184 // We don't cache the workspace of |dragWindow| because it may | |
185 // move around spaces. | |
186 if ([self getWorkspaceID:dragWindow useCache:NO] != | |
187 [self getWorkspaceID:window useCache:YES]) | |
188 continue; | |
189 } | |
190 NSWindowController* controller = [window windowController]; | |
191 if ([controller isKindOfClass:[TabWindowController class]]) { | |
192 TabWindowController* realController = | |
193 static_cast<TabWindowController*>(controller); | |
194 if ([realController canReceiveFrom:dragController]) | |
195 [targets addObject:controller]; | |
196 } | |
197 } | |
198 return targets; | |
199 } | |
200 | |
201 // Call to clear out transient weak references we hold during drags. | |
202 - (void)resetDragControllers { | |
203 draggedController_ = nil; | |
204 dragWindow_ = nil; | |
205 dragOverlay_ = nil; | |
206 sourceController_ = nil; | |
207 sourceWindow_ = nil; | |
208 targetController_ = nil; | |
209 workspaceIDCache_.clear(); | |
210 } | |
211 | |
212 // Sets whether the window background should be visible or invisible when | |
213 // dragging a tab. The background should be invisible when the mouse is over a | |
214 // potential drop target for the tab (the tab strip). It should be visible when | |
215 // there's no drop target so the window looks more fully realized and ready to | |
216 // become a stand-alone window. | |
217 - (void)setWindowBackgroundVisibility:(BOOL)shouldBeVisible { | |
218 if (chromeIsVisible_ == shouldBeVisible) | |
219 return; | |
220 | |
221 // There appears to be a race-condition in CoreAnimation where if we use | |
222 // animators to set the alpha values, we can't guarantee that we cancel them. | |
223 // This has the side effect of sometimes leaving the dragged window | |
224 // translucent or invisible. As a result, don't animate the alpha change. | |
225 [[draggedController_ overlayWindow] setAlphaValue:1.0]; | |
226 if (targetController_) { | |
227 [dragWindow_ setAlphaValue:0.0]; | |
228 [[draggedController_ overlayWindow] setHasShadow:YES]; | |
229 [[targetController_ window] makeMainWindow]; | |
230 } else { | |
231 [dragWindow_ setAlphaValue:0.5]; | |
232 [[draggedController_ overlayWindow] setHasShadow:NO]; | |
233 [[draggedController_ window] makeMainWindow]; | |
234 } | |
235 chromeIsVisible_ = shouldBeVisible; | |
236 } | 150 } |
237 | 151 |
238 // Handle clicks and drags in this button. We get here because we have | 152 // Handle clicks and drags in this button. We get here because we have |
239 // overridden acceptsFirstMouse: and the click is within our bounds. | 153 // overridden acceptsFirstMouse: and the click is within our bounds. |
240 - (void)mouseDown:(NSEvent*)theEvent { | 154 - (void)mouseDown:(NSEvent*)theEvent { |
241 if ([self isClosing]) | 155 if ([self isClosing]) |
242 return; | 156 return; |
243 | 157 |
244 NSPoint downLocation = [theEvent locationInWindow]; | 158 // Record the point at which this event happened. This is used by other mouse |
| 159 // events that are dispatched from |-maybeStartDrag::|. |
| 160 mouseDownPoint_ = [theEvent locationInWindow]; |
245 | 161 |
246 // Record the state of the close button here, because selecting the tab will | 162 // Record the state of the close button here, because selecting the tab will |
247 // unhide it. | 163 // unhide it. |
248 BOOL closeButtonActive = [closeButton_ isHidden] ? NO : YES; | 164 BOOL closeButtonActive = ![closeButton_ isHidden]; |
249 | 165 |
250 // During the tab closure animation (in particular, during rapid tab closure), | 166 // During the tab closure animation (in particular, during rapid tab closure), |
251 // we may get incorrectly hit with a mouse down. If it should have gone to the | 167 // we may get incorrectly hit with a mouse down. If it should have gone to the |
252 // close button, we send it there -- it should then track the mouse, so we | 168 // close button, we send it there -- it should then track the mouse, so we |
253 // don't have to worry about mouse ups. | 169 // don't have to worry about mouse ups. |
254 if (closeButtonActive && [controller_ inRapidClosureMode]) { | 170 if (closeButtonActive && [controller_ inRapidClosureMode]) { |
255 NSPoint hitLocation = [[self superview] convertPoint:downLocation | 171 NSPoint hitLocation = [[self superview] convertPoint:mouseDownPoint_ |
256 fromView:nil]; | 172 fromView:nil]; |
257 if ([self hitTest:hitLocation] == closeButton_) { | 173 if ([self hitTest:hitLocation] == closeButton_) { |
258 [closeButton_ mouseDown:theEvent]; | 174 [closeButton_ mouseDown:theEvent]; |
259 return; | 175 return; |
260 } | 176 } |
261 } | 177 } |
262 | 178 |
263 [self resetDragControllers]; | |
264 | |
265 // Resolve overlay back to original window. | |
266 sourceWindow_ = [self window]; | |
267 if ([sourceWindow_ isKindOfClass:[NSPanel class]]) { | |
268 sourceWindow_ = [sourceWindow_ parentWindow]; | |
269 } | |
270 | |
271 sourceWindowFrame_ = [sourceWindow_ frame]; | |
272 sourceTabFrame_ = [self frame]; | |
273 sourceController_ = [sourceWindow_ windowController]; | |
274 tabWasDragged_ = NO; | |
275 tearTime_ = 0.0; | |
276 draggingWithinTabStrip_ = YES; | |
277 chromeIsVisible_ = NO; | |
278 | |
279 // If there's more than one potential window to be a drop target, we want to | |
280 // treat a drag of a tab just like dragging around a tab that's already | |
281 // detached. Note that unit tests might have |-numberOfTabs| reporting zero | |
282 // since the model won't be fully hooked up. We need to be prepared for that | |
283 // and not send them into the "magnetic" codepath. | |
284 NSArray* targets = [self dropTargetsForController:sourceController_]; | |
285 moveWindowOnDrag_ = | |
286 ([sourceController_ numberOfTabs] < 2 && ![targets count]) || | |
287 ![self canBeDragged] || | |
288 ![sourceController_ tabDraggingAllowed]; | |
289 // If we are dragging a tab, a window with a single tab should immediately | |
290 // snap off and not drag within the tab strip. | |
291 if (!moveWindowOnDrag_) | |
292 draggingWithinTabStrip_ = [sourceController_ numberOfTabs] > 1; | |
293 | |
294 dragOrigin_ = [NSEvent mouseLocation]; | |
295 | |
296 // If the tab gets torn off, the tab controller will be removed from the tab | 179 // If the tab gets torn off, the tab controller will be removed from the tab |
297 // strip and then deallocated. This will also result in *us* being | 180 // strip and then deallocated. This will also result in *us* being |
298 // deallocated. Both these are bad, so we prevent this by retaining the | 181 // deallocated. Both these are bad, so we prevent this by retaining the |
299 // controller. | 182 // controller. |
300 scoped_nsobject<TabController> controller([controller_ retain]); | 183 scoped_nsobject<TabController> controller([controller_ retain]); |
301 | 184 |
302 // Because we move views between windows, we need to handle the event loop | 185 // Try to initiate a drag. This will spin a custom event loop and may |
303 // ourselves. Ideally we should use the standard event loop. | 186 // dispatch other mouse events. |
304 while (1) { | 187 [controller_ maybeStartDrag:theEvent forTab:controller]; |
305 const NSUInteger mask = | |
306 NSLeftMouseUpMask | NSLeftMouseDraggedMask | NSKeyUpMask; | |
307 theEvent = | |
308 [NSApp nextEventMatchingMask:mask | |
309 untilDate:[NSDate distantFuture] | |
310 inMode:NSDefaultRunLoopMode dequeue:YES]; | |
311 NSEventType type = [theEvent type]; | |
312 if (type == NSKeyUp) { | |
313 if ([theEvent keyCode] == kVK_Escape) { | |
314 // Cancel the drag and restore the previous state. | |
315 if (draggingWithinTabStrip_) { | |
316 // Simply pretend the tab wasn't dragged (far enough). | |
317 tabWasDragged_ = NO; | |
318 } else { | |
319 [targetController_ removePlaceholder]; | |
320 if ([sourceController_ numberOfTabs] < 2) { | |
321 // Revert to a single-tab window. | |
322 targetController_ = nil; | |
323 } else { | |
324 // Change the target to the source controller. | |
325 targetController_ = sourceController_; | |
326 [targetController_ insertPlaceholderForTab:self | |
327 frame:sourceTabFrame_ | |
328 yStretchiness:0]; | |
329 } | |
330 } | |
331 // Call the |mouseUp:| code to end the drag. | |
332 [self mouseUp:theEvent]; | |
333 break; | |
334 } | |
335 } else if (type == NSLeftMouseDragged) { | |
336 [self mouseDragged:theEvent]; | |
337 } else if (type == NSLeftMouseUp) { | |
338 NSPoint upLocation = [theEvent locationInWindow]; | |
339 CGFloat dx = upLocation.x - downLocation.x; | |
340 CGFloat dy = upLocation.y - downLocation.y; | |
341 | 188 |
342 // During rapid tab closure (mashing tab close buttons), we may get hit | 189 // The custom loop has ended, so clear the point. |
343 // with a mouse down. As long as the mouse up is over the close button, | 190 mouseDownPoint_ = NSZeroPoint; |
344 // and the mouse hasn't moved too much, we close the tab. | |
345 if (closeButtonActive && | |
346 (dx*dx + dy*dy) <= kRapidCloseDist*kRapidCloseDist && | |
347 [controller inRapidClosureMode]) { | |
348 NSPoint hitLocation = | |
349 [[self superview] convertPoint:[theEvent locationInWindow] | |
350 fromView:nil]; | |
351 if ([self hitTest:hitLocation] == closeButton_) { | |
352 [controller closeTab:self]; | |
353 break; | |
354 } | |
355 } | |
356 | |
357 [self mouseUp:theEvent]; | |
358 break; | |
359 } else { | |
360 // TODO(viettrungluu): [crbug.com/23830] We can receive right-mouse-ups | |
361 // (and maybe even others?) for reasons I don't understand. So we | |
362 // explicitly check for both events we're expecting, and log others. We | |
363 // should figure out what's going on. | |
364 LOG(WARNING) << "Spurious event received of type " << type << "."; | |
365 } | |
366 } | |
367 } | 191 } |
368 | 192 |
369 - (void)mouseDragged:(NSEvent*)theEvent { | 193 - (void)mouseDragged:(NSEvent*)theEvent { |
370 // Special-case this to keep the logic below simpler. | 194 [controller_ continueDrag:theEvent]; |
371 if (moveWindowOnDrag_) { | |
372 if ([sourceController_ windowMovementAllowed]) { | |
373 NSPoint thisPoint = [NSEvent mouseLocation]; | |
374 NSPoint origin = sourceWindowFrame_.origin; | |
375 origin.x += (thisPoint.x - dragOrigin_.x); | |
376 origin.y += (thisPoint.y - dragOrigin_.y); | |
377 [sourceWindow_ setFrameOrigin:NSMakePoint(origin.x, origin.y)]; | |
378 } // else do nothing. | |
379 return; | |
380 } | |
381 | |
382 // First, go through the magnetic drag cycle. We break out of this if | |
383 // "stretchiness" ever exceeds a set amount. | |
384 tabWasDragged_ = YES; | |
385 | |
386 if (draggingWithinTabStrip_) { | |
387 NSPoint thisPoint = [NSEvent mouseLocation]; | |
388 CGFloat stretchiness = thisPoint.y - dragOrigin_.y; | |
389 stretchiness = copysign(sqrtf(fabs(stretchiness))/sqrtf(kTearDistance), | |
390 stretchiness) / 2.0; | |
391 CGFloat offset = thisPoint.x - dragOrigin_.x; | |
392 if (fabsf(offset) > 100) stretchiness = 0; | |
393 [sourceController_ insertPlaceholderForTab:self | |
394 frame:NSOffsetRect(sourceTabFrame_, | |
395 offset, 0) | |
396 yStretchiness:stretchiness]; | |
397 // Check that we haven't pulled the tab too far to start a drag. This | |
398 // can include either pulling it too far down, or off the side of the tab | |
399 // strip that would cause it to no longer be fully visible. | |
400 BOOL stillVisible = [sourceController_ isTabFullyVisible:self]; | |
401 CGFloat tearForce = fabs(thisPoint.y - dragOrigin_.y); | |
402 if ([sourceController_ tabTearingAllowed] && | |
403 (tearForce > kTearDistance || !stillVisible)) { | |
404 draggingWithinTabStrip_ = NO; | |
405 // When you finally leave the strip, we treat that as the origin. | |
406 dragOrigin_.x = thisPoint.x; | |
407 } else { | |
408 // Still dragging within the tab strip, wait for the next drag event. | |
409 return; | |
410 } | |
411 } | |
412 | |
413 // Do not start dragging until the user has "torn" the tab off by | |
414 // moving more than 3 pixels. | |
415 NSDate* targetDwellDate = nil; // The date this target was first chosen. | |
416 | |
417 NSPoint thisPoint = [NSEvent mouseLocation]; | |
418 | |
419 // Iterate over possible targets checking for the one the mouse is in. | |
420 // If the tab is just in the frame, bring the window forward to make it | |
421 // easier to drop something there. If it's in the tab strip, set the new | |
422 // target so that it pops into that window. We can't cache this because we | |
423 // need the z-order to be correct. | |
424 NSArray* targets = [self dropTargetsForController:draggedController_]; | |
425 TabWindowController* newTarget = nil; | |
426 for (TabWindowController* target in targets) { | |
427 NSRect windowFrame = [[target window] frame]; | |
428 if (NSPointInRect(thisPoint, windowFrame)) { | |
429 [[target window] orderFront:self]; | |
430 NSRect tabStripFrame = [[target tabStripView] frame]; | |
431 tabStripFrame.origin = [[target window] | |
432 convertBaseToScreen:tabStripFrame.origin]; | |
433 if (NSPointInRect(thisPoint, tabStripFrame)) { | |
434 newTarget = target; | |
435 } | |
436 break; | |
437 } | |
438 } | |
439 | |
440 // If we're now targeting a new window, re-layout the tabs in the old | |
441 // target and reset how long we've been hovering over this new one. | |
442 if (targetController_ != newTarget) { | |
443 targetDwellDate = [NSDate date]; | |
444 [targetController_ removePlaceholder]; | |
445 targetController_ = newTarget; | |
446 if (!newTarget) { | |
447 tearTime_ = [NSDate timeIntervalSinceReferenceDate]; | |
448 tearOrigin_ = [dragWindow_ frame].origin; | |
449 } | |
450 } | |
451 | |
452 // Create or identify the dragged controller. | |
453 if (!draggedController_) { | |
454 // Get rid of any placeholder remaining in the original source window. | |
455 [sourceController_ removePlaceholder]; | |
456 | |
457 // Detach from the current window and put it in a new window. If there are | |
458 // no more tabs remaining after detaching, the source window is about to | |
459 // go away (it's been autoreleased) so we need to ensure we don't reference | |
460 // it any more. In that case the new controller becomes our source | |
461 // controller. | |
462 draggedController_ = [sourceController_ detachTabToNewWindow:self]; | |
463 dragWindow_ = [draggedController_ window]; | |
464 [dragWindow_ setAlphaValue:0.0]; | |
465 if (![sourceController_ hasLiveTabs]) { | |
466 sourceController_ = draggedController_; | |
467 sourceWindow_ = dragWindow_; | |
468 } | |
469 | |
470 // If dragging the tab only moves the current window, do not show overlay | |
471 // so that sheets stay on top of the window. | |
472 // Bring the target window to the front and make sure it has a border. | |
473 [dragWindow_ setLevel:NSFloatingWindowLevel]; | |
474 [dragWindow_ setHasShadow:YES]; | |
475 [dragWindow_ orderFront:nil]; | |
476 [dragWindow_ makeMainWindow]; | |
477 [draggedController_ showOverlay]; | |
478 dragOverlay_ = [draggedController_ overlayWindow]; | |
479 // Force the new tab button to be hidden. We'll reset it on mouse up. | |
480 [draggedController_ showNewTabButton:NO]; | |
481 tearTime_ = [NSDate timeIntervalSinceReferenceDate]; | |
482 tearOrigin_ = sourceWindowFrame_.origin; | |
483 } | |
484 | |
485 // TODO(pinkerton): http://crbug.com/25682 demonstrates a way to get here by | |
486 // some weird circumstance that doesn't first go through mouseDown:. We | |
487 // really shouldn't go any farther. | |
488 if (!draggedController_ || !sourceController_) | |
489 return; | |
490 | |
491 // When the user first tears off the window, we want slide the window to | |
492 // the current mouse location (to reduce the jarring appearance). We do this | |
493 // by calling ourselves back with additional mouseDragged calls (not actual | |
494 // events). |tearProgress| is a normalized measure of how far through this | |
495 // tear "animation" (of length kTearDuration) we are and has values [0..1]. | |
496 // We use sqrt() so the animation is non-linear (slow down near the end | |
497 // point). | |
498 NSTimeInterval tearProgress = | |
499 [NSDate timeIntervalSinceReferenceDate] - tearTime_; | |
500 tearProgress /= kTearDuration; // Normalize. | |
501 tearProgress = sqrtf(MAX(MIN(tearProgress, 1.0), 0.0)); | |
502 | |
503 // Move the dragged window to the right place on the screen. | |
504 NSPoint origin = sourceWindowFrame_.origin; | |
505 origin.x += (thisPoint.x - dragOrigin_.x); | |
506 origin.y += (thisPoint.y - dragOrigin_.y); | |
507 | |
508 if (tearProgress < 1) { | |
509 // If the tear animation is not complete, call back to ourself with the | |
510 // same event to animate even if the mouse isn't moving. We need to make | |
511 // sure these get cancelled in mouseUp:. | |
512 [NSObject cancelPreviousPerformRequestsWithTarget:self]; | |
513 [self performSelector:@selector(mouseDragged:) | |
514 withObject:theEvent | |
515 afterDelay:1.0f/30.0f]; | |
516 | |
517 // Set the current window origin based on how far we've progressed through | |
518 // the tear animation. | |
519 origin.x = (1 - tearProgress) * tearOrigin_.x + tearProgress * origin.x; | |
520 origin.y = (1 - tearProgress) * tearOrigin_.y + tearProgress * origin.y; | |
521 } | |
522 | |
523 if (targetController_) { | |
524 // In order to "snap" two windows of different sizes together at their | |
525 // toolbar, we can't just use the origin of the target frame. We also have | |
526 // to take into consideration the difference in height. | |
527 NSRect targetFrame = [[targetController_ window] frame]; | |
528 NSRect sourceFrame = [dragWindow_ frame]; | |
529 origin.y = NSMinY(targetFrame) + | |
530 (NSHeight(targetFrame) - NSHeight(sourceFrame)); | |
531 } | |
532 [dragWindow_ setFrameOrigin:NSMakePoint(origin.x, origin.y)]; | |
533 | |
534 // If we're not hovering over any window, make the window fully | |
535 // opaque. Otherwise, find where the tab might be dropped and insert | |
536 // a placeholder so it appears like it's part of that window. | |
537 if (targetController_) { | |
538 if (![[targetController_ window] isKeyWindow]) { | |
539 // && ([targetDwellDate timeIntervalSinceNow] < -REQUIRED_DWELL)) { | |
540 [[targetController_ window] orderFront:nil]; | |
541 targetDwellDate = nil; | |
542 } | |
543 | |
544 // Compute where placeholder should go and insert it into the | |
545 // destination tab strip. | |
546 TabView* draggedTabView = (TabView*)[draggedController_ activeTabView]; | |
547 NSRect tabFrame = [draggedTabView frame]; | |
548 tabFrame.origin = [dragWindow_ convertBaseToScreen:tabFrame.origin]; | |
549 tabFrame.origin = [[targetController_ window] | |
550 convertScreenToBase:tabFrame.origin]; | |
551 tabFrame = [[targetController_ tabStripView] | |
552 convertRect:tabFrame fromView:nil]; | |
553 [targetController_ insertPlaceholderForTab:self | |
554 frame:tabFrame | |
555 yStretchiness:0]; | |
556 [targetController_ layoutTabs]; | |
557 } else { | |
558 [dragWindow_ makeKeyAndOrderFront:nil]; | |
559 } | |
560 | |
561 // Adjust the visibility of the window background. If there is a drop target, | |
562 // we want to hide the window background so the tab stands out for | |
563 // positioning. If not, we want to show it so it looks like a new window will | |
564 // be realized. | |
565 BOOL chromeShouldBeVisible = targetController_ == nil; | |
566 [self setWindowBackgroundVisibility:chromeShouldBeVisible]; | |
567 } | 195 } |
568 | 196 |
569 - (void)mouseUp:(NSEvent*)theEvent { | 197 - (void)mouseUp:(NSEvent*)theEvent { |
570 // The drag/click is done. If the user dragged the mouse, finalize the drag | |
571 // and clean up. | |
572 | |
573 // Fire the action to select the tab. | 198 // Fire the action to select the tab. |
574 if ([[controller_ target] respondsToSelector:[controller_ action]]) | 199 if ([[controller_ target] respondsToSelector:[controller_ action]]) |
575 [[controller_ target] performSelector:[controller_ action] | 200 [[controller_ target] performSelector:[controller_ action] |
576 withObject:self]; | 201 withObject:self]; |
577 | 202 |
578 // Special-case this to keep the logic below simpler. | 203 // Check for rapid tab closure. |
579 if (moveWindowOnDrag_) | 204 if ([theEvent type] == NSLeftMouseUp) { |
580 return; | 205 NSPoint upLocation = [theEvent locationInWindow]; |
| 206 CGFloat dx = upLocation.x - mouseDownPoint_.x; |
| 207 CGFloat dy = upLocation.y - mouseDownPoint_.y; |
581 | 208 |
582 // Cancel any delayed -mouseDragged: requests that may still be pending. | 209 // During rapid tab closure (mashing tab close buttons), we may get hit |
583 [NSObject cancelPreviousPerformRequestsWithTarget:self]; | 210 // with a mouse down. As long as the mouse up is over the close button, |
| 211 // and the mouse hasn't moved too much, we close the tab. |
| 212 if (![closeButton_ isHidden] && |
| 213 (dx*dx + dy*dy) <= kRapidCloseDist*kRapidCloseDist && |
| 214 [controller_ inRapidClosureMode]) { |
| 215 NSPoint hitLocation = |
| 216 [[self superview] convertPoint:[theEvent locationInWindow] |
| 217 fromView:nil]; |
| 218 if ([self hitTest:hitLocation] == closeButton_) { |
| 219 [controller_ closeTab:self]; |
| 220 } |
| 221 } |
| 222 } |
584 | 223 |
585 // TODO(pinkerton): http://crbug.com/25682 demonstrates a way to get here by | 224 // Messaging the drag controller with |-endDrag:| would seem like the right |
586 // some weird circumstance that doesn't first go through mouseDown:. We | 225 // thing to do here. But, when a tab has been detached, the controller's |
587 // really shouldn't go any farther. | 226 // target is nil until the drag is finalized. Since |-mouseUp:| gets called |
588 if (!sourceController_) | 227 // via the manual event loop inside -[TabStripDragController |
589 return; | 228 // maybeStartDrag:forTab:], the drag controller can end the dragging session |
590 | 229 // itself directly after calling this. |
591 // We are now free to re-display the new tab button in the window we're | |
592 // dragging. It will show when the next call to -layoutTabs (which happens | |
593 // indrectly by several of the calls below, such as removing the placeholder). | |
594 [draggedController_ showNewTabButton:YES]; | |
595 | |
596 if (draggingWithinTabStrip_) { | |
597 if (tabWasDragged_) { | |
598 // Move tab to new location. | |
599 DCHECK([sourceController_ numberOfTabs]); | |
600 TabWindowController* dropController = sourceController_; | |
601 [dropController moveTabView:[dropController activeTabView] | |
602 fromController:nil]; | |
603 } | |
604 } else if (targetController_) { | |
605 // Move between windows. If |targetController_| is nil, we're not dropping | |
606 // into any existing window. | |
607 NSView* draggedTabView = [draggedController_ activeTabView]; | |
608 [targetController_ moveTabView:draggedTabView | |
609 fromController:draggedController_]; | |
610 // Force redraw to avoid flashes of old content before returning to event | |
611 // loop. | |
612 [[targetController_ window] display]; | |
613 [targetController_ showWindow:nil]; | |
614 [draggedController_ removeOverlay]; | |
615 } else { | |
616 // Only move the window around on screen. Make sure it's set back to | |
617 // normal state (fully opaque, has shadow, has key, etc). | |
618 [draggedController_ removeOverlay]; | |
619 // Don't want to re-show the window if it was closed during the drag. | |
620 if ([dragWindow_ isVisible]) { | |
621 [dragWindow_ setAlphaValue:1.0]; | |
622 [dragOverlay_ setHasShadow:NO]; | |
623 [dragWindow_ setHasShadow:YES]; | |
624 [dragWindow_ makeKeyAndOrderFront:nil]; | |
625 } | |
626 [[draggedController_ window] setLevel:NSNormalWindowLevel]; | |
627 [draggedController_ removePlaceholder]; | |
628 } | |
629 [sourceController_ removePlaceholder]; | |
630 chromeIsVisible_ = YES; | |
631 | |
632 [self resetDragControllers]; | |
633 } | 230 } |
634 | 231 |
635 - (void)otherMouseUp:(NSEvent*)theEvent { | 232 - (void)otherMouseUp:(NSEvent*)theEvent { |
636 if ([self isClosing]) | 233 if ([self isClosing]) |
637 return; | 234 return; |
638 | 235 |
639 // Support middle-click-to-close. | 236 // Support middle-click-to-close. |
640 if ([theEvent buttonNumber] == 2) { | 237 if ([theEvent buttonNumber] == 2) { |
641 // |-hitTest:| takes a location in the superview's coordinates. | 238 // |-hitTest:| takes a location in the superview's coordinates. |
642 NSPoint upLocation = | 239 NSPoint upLocation = |
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965 } | 562 } |
966 } | 563 } |
967 | 564 |
968 if (nextUpdate < kNoUpdate) | 565 if (nextUpdate < kNoUpdate) |
969 [self performSelector:_cmd withObject:nil afterDelay:nextUpdate]; | 566 [self performSelector:_cmd withObject:nil afterDelay:nextUpdate]; |
970 | 567 |
971 [self resetLastGlowUpdateTime]; | 568 [self resetLastGlowUpdateTime]; |
972 [self setNeedsDisplay:YES]; | 569 [self setNeedsDisplay:YES]; |
973 } | 570 } |
974 | 571 |
975 // Returns the workspace id of |window|. If |useCache|, then lookup | |
976 // and remember the value in |workspaceIDCache_| until the end of the | |
977 // current drag. | |
978 - (int)getWorkspaceID:(NSWindow*)window useCache:(BOOL)useCache { | |
979 CGWindowID windowID = [window windowNumber]; | |
980 if (useCache) { | |
981 std::map<CGWindowID, int>::iterator iter = | |
982 workspaceIDCache_.find(windowID); | |
983 if (iter != workspaceIDCache_.end()) | |
984 return iter->second; | |
985 } | |
986 | |
987 int workspace = -1; | |
988 // It's possible to query in bulk, but probably not necessary. | |
989 base::mac::ScopedCFTypeRef<CFArrayRef> windowIDs(CFArrayCreate( | |
990 NULL, reinterpret_cast<const void **>(&windowID), 1, NULL)); | |
991 base::mac::ScopedCFTypeRef<CFArrayRef> descriptions( | |
992 CGWindowListCreateDescriptionFromArray(windowIDs)); | |
993 DCHECK(CFArrayGetCount(descriptions.get()) <= 1); | |
994 if (CFArrayGetCount(descriptions.get()) > 0) { | |
995 CFDictionaryRef dict = static_cast<CFDictionaryRef>( | |
996 CFArrayGetValueAtIndex(descriptions.get(), 0)); | |
997 DCHECK(CFGetTypeID(dict) == CFDictionaryGetTypeID()); | |
998 | |
999 // Sanity check the ID. | |
1000 CFNumberRef otherIDRef = (CFNumberRef)base::mac::GetValueFromDictionary( | |
1001 dict, kCGWindowNumber, CFNumberGetTypeID()); | |
1002 CGWindowID otherID; | |
1003 if (otherIDRef && | |
1004 CFNumberGetValue(otherIDRef, kCGWindowIDCFNumberType, &otherID) && | |
1005 otherID == windowID) { | |
1006 // And then get the workspace. | |
1007 CFNumberRef workspaceRef = (CFNumberRef)base::mac::GetValueFromDictionary( | |
1008 dict, kCGWindowWorkspace, CFNumberGetTypeID()); | |
1009 if (!workspaceRef || | |
1010 !CFNumberGetValue(workspaceRef, kCFNumberIntType, &workspace)) { | |
1011 workspace = -1; | |
1012 } | |
1013 } else { | |
1014 NOTREACHED(); | |
1015 } | |
1016 } | |
1017 if (useCache) { | |
1018 workspaceIDCache_[windowID] = workspace; | |
1019 } | |
1020 return workspace; | |
1021 } | |
1022 | |
1023 // Returns the bezier path used to draw the tab given the bounds to draw it in. | 572 // Returns the bezier path used to draw the tab given the bounds to draw it in. |
1024 - (NSBezierPath*)bezierPathForRect:(NSRect)rect { | 573 - (NSBezierPath*)bezierPathForRect:(NSRect)rect { |
1025 const CGFloat lineWidth = [self cr_lineWidth]; | 574 const CGFloat lineWidth = [self cr_lineWidth]; |
1026 const CGFloat halfLineWidth = lineWidth / 2.0; | 575 const CGFloat halfLineWidth = lineWidth / 2.0; |
1027 | 576 |
1028 // Outset by halfLineWidth in order to draw on pixels rather than on borders | 577 // Outset by halfLineWidth in order to draw on pixels rather than on borders |
1029 // (which would cause blurry pixels). Subtract lineWidth of height to | 578 // (which would cause blurry pixels). Subtract lineWidth of height to |
1030 // compensate, otherwise clipping will occur. | 579 // compensate, otherwise clipping will occur. |
1031 rect = NSInsetRect(rect, -halfLineWidth, -halfLineWidth); | 580 rect = NSInsetRect(rect, -halfLineWidth, -halfLineWidth); |
1032 rect.size.height -= lineWidth; | 581 rect.size.height -= lineWidth; |
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1061 topRight.y) | 610 topRight.y) |
1062 controlPoint2:NSMakePoint(bottomRight.x - baseControlPointOutset, | 611 controlPoint2:NSMakePoint(bottomRight.x - baseControlPointOutset, |
1063 bottomRight.y)]; | 612 bottomRight.y)]; |
1064 [path lineToPoint:NSMakePoint(bottomRight.x + lineWidth, bottomRight.y)]; | 613 [path lineToPoint:NSMakePoint(bottomRight.x + lineWidth, bottomRight.y)]; |
1065 [path lineToPoint:NSMakePoint(bottomRight.x + lineWidth, | 614 [path lineToPoint:NSMakePoint(bottomRight.x + lineWidth, |
1066 bottomRight.y - (2 * lineWidth))]; | 615 bottomRight.y - (2 * lineWidth))]; |
1067 return path; | 616 return path; |
1068 } | 617 } |
1069 | 618 |
1070 @end // @implementation TabView(Private) | 619 @end // @implementation TabView(Private) |
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