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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #import "chrome/browser/ui/cocoa/web_contents_drag_source.h" | |
| 6 | |
| 7 #include "app/mac/nsimage_cache.h" | |
| 8 #include "base/string_util.h" | |
| 9 #include "base/sys_string_conversions.h" | |
| 10 #include "chrome/browser/renderer_host/render_view_host.h" | |
| 11 #include "chrome/browser/tab_contents/tab_contents.h" | |
| 12 #include "chrome/browser/tab_contents/tab_contents_view_mac.h" | |
| 13 | |
| 14 namespace { | |
| 15 | |
| 16 // Make a drag image from the drop data. | |
| 17 // TODO(feldstein): Make this work | |
| 18 NSImage* MakeDragImage() { | |
| 19 // TODO(feldstein): Just a stub for now. Make it do something (see, e.g., | |
| 20 // WebKit/WebKit/mac/Misc/WebNSViewExtras.m: |-_web_DragImageForElement:...|). | |
| 21 | |
| 22 // Default to returning a generic image. | |
| 23 return app::mac::GetCachedImageWithName(@"nav.pdf"); | |
| 24 } | |
| 25 | |
| 26 // Flips screen and point coordinates over the y axis to work with webkit | |
| 27 // coordinate systems. | |
| 28 void FlipPointCoordinates(NSPoint& screenPoint, | |
| 29 NSPoint& localPoint, | |
| 30 NSView* view) { | |
| 31 NSRect viewFrame = [view frame]; | |
| 32 localPoint.y = NSHeight(viewFrame) - localPoint.y; | |
| 33 // Flip |screenPoint|. | |
| 34 NSRect screenFrame = [[[view window] screen] frame]; | |
| 35 screenPoint.y = NSHeight(screenFrame) - screenPoint.y; | |
| 36 } | |
| 37 | |
| 38 } // namespace | |
| 39 | |
| 40 | |
| 41 @implementation WebContentsDragSource | |
| 42 | |
| 43 - (id)initWithContentsView:(TabContentsViewCocoa*)contentsView | |
| 44 pasteboard:(NSPasteboard*)pboard | |
| 45 dragOperationMask:(NSDragOperation)dragOperationMask { | |
| 46 if ((self = [super init])) { | |
| 47 contentsView_ = contentsView; | |
| 48 DCHECK(contentsView_); | |
| 49 | |
| 50 pasteboard_.reset([pboard retain]); | |
| 51 DCHECK(pasteboard_.get()); | |
| 52 | |
| 53 dragOperationMask_ = dragOperationMask; | |
| 54 } | |
| 55 | |
| 56 return self; | |
| 57 } | |
| 58 | |
| 59 - (NSImage*)dragImage { | |
| 60 return MakeDragImage(); | |
| 61 } | |
| 62 | |
| 63 - (void)fillPasteboard { | |
| 64 NOTIMPLEMENTED() << "Subclasses should implement fillPasteboard"; | |
| 65 } | |
| 66 | |
| 67 - (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)isLocal { | |
| 68 return dragOperationMask_; | |
| 69 } | |
| 70 | |
| 71 - (void)startDrag { | |
| 72 [self fillPasteboard]; | |
| 73 NSEvent* currentEvent = [NSApp currentEvent]; | |
| 74 | |
| 75 // Synthesize an event for dragging, since we can't be sure that | |
| 76 // [NSApp currentEvent] will return a valid dragging event. | |
| 77 NSWindow* window = [contentsView_ window]; | |
| 78 NSPoint position = [window mouseLocationOutsideOfEventStream]; | |
| 79 NSTimeInterval eventTime = [currentEvent timestamp]; | |
| 80 NSEvent* dragEvent = [NSEvent mouseEventWithType:NSLeftMouseDragged | |
| 81 location:position | |
| 82 modifierFlags:NSLeftMouseDraggedMask | |
| 83 timestamp:eventTime | |
| 84 windowNumber:[window windowNumber] | |
| 85 context:nil | |
| 86 eventNumber:0 | |
| 87 clickCount:1 | |
| 88 pressure:1.0]; | |
| 89 [window dragImage:[self dragImage] | |
| 90 at:position | |
| 91 offset:NSZeroSize | |
| 92 event:dragEvent | |
| 93 pasteboard:pasteboard_ | |
| 94 source:self | |
| 95 slideBack:YES]; | |
| 96 } | |
| 97 | |
| 98 - (void)draggedImage:(NSImage *)anImage endedAt:(NSPoint)aPoint | |
| 99 operation:(NSDragOperation)operation { | |
| 100 } | |
| 101 | |
| 102 - (void)endDragAt:(NSPoint)screenPoint | |
| 103 operation:(NSDragOperation)operation { | |
| 104 RenderViewHost* rvh = [contentsView_ tabContents]->render_view_host(); | |
| 105 if (rvh) { | |
| 106 rvh->DragSourceSystemDragEnded(); | |
| 107 | |
| 108 NSPoint localPoint = [contentsView_ convertPoint:screenPoint fromView: nil]; | |
| 109 FlipPointCoordinates(screenPoint, localPoint, contentsView_); | |
| 110 rvh->DragSourceEndedAt(localPoint.x, localPoint.y, | |
| 111 screenPoint.x, screenPoint.y, | |
| 112 static_cast<WebKit::WebDragOperation>(operation)); | |
| 113 } | |
| 114 | |
| 115 // Make sure the pasteboard owner isn't us. | |
| 116 [pasteboard_ declareTypes:[NSArray array] owner:nil]; | |
| 117 } | |
| 118 | |
| 119 - (void)moveDragTo:(NSPoint)screenPoint { | |
| 120 RenderViewHost* rvh = [contentsView_ tabContents]->render_view_host(); | |
| 121 if (rvh) { | |
| 122 NSPoint localPoint = [contentsView_ convertPoint:screenPoint fromView:nil]; | |
| 123 FlipPointCoordinates(screenPoint, localPoint, contentsView_); | |
| 124 rvh->DragSourceMovedTo(localPoint.x, localPoint.y, | |
| 125 screenPoint.x, screenPoint.y); | |
| 126 } | |
| 127 } | |
| 128 | |
| 129 @end // @implementation WebContentsDragSource | |
| 130 | |
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Chromium Code Reviews
Issue 6358008:
[Mac] Organize some files into chrome/browser/ui/cocoa/tab_contents/.... (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/