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
3 // found in the LICENSE file.
5 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_view_cocoa.h"
7 #include "chrome/browser/profiles/profile.h"
8 #import "chrome/browser/themes/theme_properties.h"
9 #import "chrome/browser/themes/theme_service.h"
10 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.h"
11 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_button.h"
12 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_context_menu_cocoa_controller.h"
13 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_folder_target.h"
14 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
15 #import "chrome/browser/ui/cocoa/themed_window.h"
16 #import "chrome/browser/ui/cocoa/view_id_util.h"
17 #include "components/bookmarks/browser/bookmark_pasteboard_helper_mac.h"
18 #include "components/bookmarks/browser/bookmark_utils.h"
19 #include "content/public/browser/user_metrics.h"
20 #import "third_party/mozilla/NSPasteboard+Utils.h"
22 using base::UserMetricsAction;
23 using bookmarks::BookmarkModel;
24 using bookmarks::BookmarkNode;
26 @interface BookmarkBarView (Private)
27 - (void)themeDidChangeNotification:(NSNotification*)aNotification;
28 - (void)updateTheme:(ui::ThemeProvider*)themeProvider;
31 @implementation BookmarkBarView
33 @synthesize dropIndicatorShown = dropIndicatorShown_;
34 @synthesize dropIndicatorPosition = dropIndicatorPosition_;
35 @synthesize noItemContainer = noItemContainer_;
39 [[NSNotificationCenter defaultCenter] removeObserver:self];
40 // This probably isn't strictly necessary, but can't hurt.
41 [self unregisterDraggedTypes];
44 // To be clear, our controller_ is an IBOutlet and owns us, so we
45 // don't deallocate it explicitly. It is owned by the browser
46 // window controller, so gets deleted with a browser window is
50 - (void)awakeFromNib {
51 NSNotificationCenter* defaultCenter = [NSNotificationCenter defaultCenter];
52 [defaultCenter addObserver:self
53 selector:@selector(themeDidChangeNotification:)
54 name:kBrowserThemeDidChangeNotification
57 DCHECK(controller_) << "Expected this to be hooked up via Interface Builder";
58 NSArray* types = [NSArray arrayWithObjects:
62 kBookmarkButtonDragType,
63 kBookmarkDictionaryListPboardType,
65 [self registerForDraggedTypes:types];
68 // We need the theme to color the bookmark buttons properly. But our
69 // controller desn't have access to it until it's placed in the view
70 // hierarchy. This is the spot where we close the loop.
71 - (void)viewWillMoveToWindow:(NSWindow*)window {
72 ui::ThemeProvider* themeProvider = [window themeProvider];
73 [self updateTheme:themeProvider];
74 [controller_ updateTheme:themeProvider];
75 [super viewWillMoveToWindow:window];
78 - (void)viewDidMoveToWindow {
79 [controller_ viewDidMoveToWindow];
82 // Called after a theme change took place, possibly for a different profile.
83 - (void)themeDidChangeNotification:(NSNotification*)notification {
84 [self updateTheme:[[self window] themeProvider]];
87 // Adapt appearance to the current theme. Called after theme changes and before
88 // this is shown for the first time.
89 - (void)updateTheme:(ui::ThemeProvider*)themeProvider {
94 themeProvider->GetNSColor(ThemeProperties::COLOR_BOOKMARK_TEXT);
95 [noItemTextfield_ setTextColor:color];
98 // Mouse down events on the bookmark bar should not allow dragging the parent
100 - (BOOL)mouseDownCanMoveWindow {
104 - (BookmarkBarTextField*)noItemTextfield {
105 return noItemTextfield_;
108 - (NSButton*)importBookmarksButton {
109 return importBookmarksButton_;
112 - (BookmarkBarController*)controller {
116 // Internal method, needs to be called whenever a change has been made to
117 // dropIndicatorShown_ or dropIndicatorPosition_ so it can get the controller
118 // to reflect the change by moving buttons around.
119 - (void)dropIndicatorChanged {
120 if (dropIndicatorShown_)
121 [controller_ setDropInsertionPos:dropIndicatorPosition_];
123 [controller_ clearDropInsertionPos];
126 // NSDraggingDestination methods
128 - (NSDragOperation)draggingEntered:(id<NSDraggingInfo>)info {
129 if (![controller_ draggingAllowed:info])
130 return NSDragOperationNone;
131 if ([[info draggingPasteboard] dataForType:kBookmarkButtonDragType] ||
132 bookmarks::PasteboardContainsBookmarks(ui::CLIPBOARD_TYPE_DRAG) ||
133 [[info draggingPasteboard] containsURLData]) {
134 // We only show the drop indicator if we're not in a position to
135 // perform a hover-open since it doesn't make sense to do both.
136 BOOL showIt = [controller_ shouldShowIndicatorShownForPoint:
137 [info draggingLocation]];
139 if (dropIndicatorShown_) {
140 dropIndicatorShown_ = NO;
141 [self dropIndicatorChanged];
145 [controller_ indicatorPosForDragToPoint:[info draggingLocation]];
146 // Need an update if the indicator wasn't previously shown or if it has
148 if (!dropIndicatorShown_ || dropIndicatorPosition_ != x) {
149 dropIndicatorShown_ = YES;
150 dropIndicatorPosition_ = x;
151 [self dropIndicatorChanged];
155 [controller_ draggingEntered:info]; // allow hover-open to work.
156 return [[info draggingSource] isKindOfClass: [BookmarkButton class]] ?
157 NSDragOperationMove : NSDragOperationCopy;
159 return NSDragOperationNone;
162 - (void)draggingExited:(id<NSDraggingInfo>)info {
163 [controller_ draggingExited:info];
165 // Regardless of the type of dragging which ended, we need to get rid of the
166 // drop indicator if one was shown.
167 if (dropIndicatorShown_) {
168 dropIndicatorShown_ = NO;
169 [self dropIndicatorChanged];
173 - (void)draggingEnded:(id<NSDraggingInfo>)info {
174 [controller_ draggingEnded:info];
176 [[BookmarkButton draggedButton] setHidden:NO];
177 if (dropIndicatorShown_) {
178 dropIndicatorShown_ = NO;
179 [self dropIndicatorChanged];
181 [controller_ draggingEnded:info];
184 - (BOOL)wantsPeriodicDraggingUpdates {
188 - (NSDragOperation)draggingUpdated:(id<NSDraggingInfo>)info {
189 // For now it's the same as draggingEntered:.
190 return [self draggingEntered:info];
193 - (BOOL)prepareForDragOperation:(id<NSDraggingInfo>)info {
197 // Implement NSDraggingDestination protocol method
198 // performDragOperation: for URLs.
199 - (BOOL)performDragOperationForURL:(id<NSDraggingInfo>)info {
200 NSPasteboard* pboard = [info draggingPasteboard];
201 DCHECK([pboard containsURLData]);
204 NSArray* titles = nil;
205 [pboard getURLs:&urls andTitles:&titles convertingFilenames:YES];
207 return [controller_ addURLs:urls
209 at:[info draggingLocation]];
212 // Implement NSDraggingDestination protocol method
213 // performDragOperation: for bookmark buttons.
214 - (BOOL)performDragOperationForBookmarkButton:(id<NSDraggingInfo>)info {
216 NSData* data = [[info draggingPasteboard]
217 dataForType:kBookmarkButtonDragType];
218 // [info draggingSource] is nil if not the same application.
219 if (data && [info draggingSource]) {
220 BookmarkButton* button = nil;
221 [data getBytes:&button length:sizeof(button)];
223 // If we're dragging from one profile to another, disallow moving (only
224 // allow copying). Each profile has its own bookmark model, so one way to
225 // check whether we are dragging across profiles is to see if the
226 // |BookmarkNode| corresponding to |button| exists in this profile. If it
227 // does, we're dragging within a profile; otherwise, we're dragging across
229 const BookmarkModel* const model = [[self controller] bookmarkModel];
230 const BookmarkNode* const source_node = [button bookmarkNode];
231 const BookmarkNode* const target_node =
232 bookmarks::GetBookmarkNodeByID(model, source_node->id());
235 !([info draggingSourceOperationMask] & NSDragOperationMove) ||
236 (source_node != target_node);
237 rtn = [controller_ dragButton:button
238 to:[info draggingLocation]
240 content::RecordAction(UserMetricsAction("BookmarkBar_DragEnd"));
245 - (BOOL)performDragOperation:(id<NSDraggingInfo>)info {
246 if ([controller_ dragBookmarkData:info])
248 NSPasteboard* pboard = [info draggingPasteboard];
249 if ([pboard dataForType:kBookmarkButtonDragType]) {
250 if ([self performDragOperationForBookmarkButton:info])
254 if ([pboard containsURLData]) {
255 if ([self performDragOperationForURL:info])
262 return [[controller_ menuController] menuForBookmarkBar];
265 - (void)setController:(id)controller {
266 controller_ = controller;
270 return VIEW_ID_BOOKMARK_BAR;
273 @end // @implementation BookmarkBarView
275 @implementation BookmarkBarTextField
278 return [barView_ menu];
281 @end // @implementation BookmarkBarTextField
283 @implementation BookmarkBarItemContainer
286 return [barView_ menu];
289 @end // @implementation BookmarkBarItemContainer