1 // Copyright (c) 2012 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/confirm_bubble_cocoa.h"
7 #include "base/strings/string16.h"
8 #include "chrome/browser/themes/theme_service.h"
9 #import "chrome/browser/ui/cocoa/confirm_bubble_controller.h"
10 #include "chrome/browser/ui/confirm_bubble.h"
11 #include "chrome/browser/ui/confirm_bubble_model.h"
12 #import "third_party/google_toolbox_for_mac/src/AppKit/GTMNSBezierPath+RoundRect.h"
13 #include "ui/gfx/geometry/point.h"
14 #include "ui/gfx/image/image.h"
16 // The width for the message text. We break lines so the specified message fits
18 const int kMaxMessageWidth = 400;
20 // The corner redius of this bubble view.
21 const int kBubbleCornerRadius = 3;
23 // The color for the border of this bubble view.
24 const float kBubbleWindowEdge = 0.7f;
26 // Constants used for layouting controls. These variables are copied from
27 // "ui/views/layout/layout_constants.h".
28 // Vertical spacing between a label and some control.
29 const int kLabelToControlVerticalSpacing = 8;
31 // Horizontal spacing between controls that are logically related.
32 const int kRelatedControlHorizontalSpacing = 8;
34 // Vertical spacing between controls that are logically related.
35 const int kRelatedControlVerticalSpacing = 8;
37 // Vertical spacing between the edge of the window and the
38 // top or bottom of a button.
39 const int kButtonVEdgeMargin = 6;
41 // Horizontal spacing between the edge of the window and the
42 // left or right of a button.
43 const int kButtonHEdgeMargin = 7;
47 void ShowConfirmBubble(gfx::NativeWindow window,
48 gfx::NativeView anchor_view,
49 const gfx::Point& origin,
50 scoped_ptr<ConfirmBubbleModel> model) {
51 // Create a custom NSViewController that manages a bubble view, and add it to
52 // a child to the specified |anchor_view|. This controller will be
53 // automatically deleted when it loses first-responder status.
54 ConfirmBubbleController* controller =
55 [[ConfirmBubbleController alloc] initWithParent:anchor_view
56 origin:origin.ToCGPoint()
58 [anchor_view addSubview:[controller view]
59 positioned:NSWindowAbove
61 [[anchor_view window] makeFirstResponder:[controller view]];
66 // An interface that is derived from NSTextView and does not accept
67 // first-responder status, i.e. a NSTextView-derived class that never becomes
68 // the first responder. When we click a NSTextView object, it becomes the first
69 // responder. Unfortunately, we delete the ConfirmBubbleCocoa object anytime
70 // when it loses first-responder status not to prevent disturbing other
72 // To prevent text views in this ConfirmBubbleCocoa object from stealing the
73 // first-responder status, we use this view in the ConfirmBubbleCocoa object.
74 @interface ConfirmBubbleTextView : NSTextView
77 @implementation ConfirmBubbleTextView
79 - (BOOL)acceptsFirstResponder {
86 @interface ConfirmBubbleCocoa (Private)
87 - (void)performLayout;
91 @implementation ConfirmBubbleCocoa
93 - (id)initWithParent:(NSView*)parent
94 controller:(ConfirmBubbleController*)controller {
95 // Create a NSView and set its width. We will set its position and height
96 // after finish layouting controls in performLayout:.
98 NSMakeRect(0, 0, kMaxMessageWidth + kButtonHEdgeMargin * 2, 0);
99 if (self = [super initWithFrame:bounds]) {
101 controller_ = controller;
102 [self performLayout];
107 - (void)drawRect:(NSRect)dirtyRect {
108 // Fill the background rectangle in white and draw its edge.
109 NSRect bounds = [self bounds];
110 bounds = NSInsetRect(bounds, 0.5, 0.5);
111 NSBezierPath* border =
112 [NSBezierPath gtm_bezierPathWithRoundRect:bounds
113 topLeftCornerRadius:kBubbleCornerRadius
114 topRightCornerRadius:kBubbleCornerRadius
115 bottomLeftCornerRadius:kBubbleCornerRadius
116 bottomRightCornerRadius:kBubbleCornerRadius];
117 [[NSColor colorWithDeviceWhite:1.0f alpha:1.0f] set];
119 [[NSColor colorWithDeviceWhite:kBubbleWindowEdge alpha:1.0f] set];
123 // An NSResponder method.
124 - (BOOL)resignFirstResponder {
125 // We do not only accept this request but also close this bubble when we are
126 // asked to resign the first responder. This bubble should be displayed only
127 // while it is the first responder.
132 // NSControl action handlers. These handlers are called when we click a cancel
133 // button, a close icon, and an OK button, respectively.
134 - (IBAction)cancel:(id)sender {
135 [controller_ cancel];
139 - (IBAction)close:(id)sender {
143 - (IBAction)ok:(id)sender {
144 [controller_ accept];
148 // An NSTextViewDelegate method. This function is called when we click a link in
150 - (BOOL)textView:(NSTextView*)textView
151 clickedOnLink:(id)link
152 atIndex:(NSUInteger)charIndex {
153 [controller_ linkClicked];
158 // Initializes controls specified by the ConfirmBubbleModel object and layouts
159 // them into this bubble. This function retrieves text and images from the
160 // ConfirmBubbleModel object (via the ConfirmBubbleController object) and
161 // layouts them programmatically. This function layouts controls in the botom-up
162 // order since NSView uses bottom-up coordinate.
163 - (void)performLayout {
164 NSRect frameRect = [self frame];
166 // Add the ok button and the cancel button to the first row if we have either
168 CGFloat left = kButtonHEdgeMargin;
169 CGFloat right = NSWidth(frameRect) - kButtonHEdgeMargin;
170 CGFloat bottom = kButtonVEdgeMargin;
172 if ([controller_ hasOkButton]) {
173 okButton_.reset([[NSButton alloc]
174 initWithFrame:NSMakeRect(0, bottom, 0, 0)]);
175 [okButton_.get() setBezelStyle:NSRoundedBezelStyle];
176 [okButton_.get() setTitle:[controller_ okButtonText]];
177 [okButton_.get() setTarget:self];
178 [okButton_.get() setAction:@selector(ok:)];
179 [okButton_.get() sizeToFit];
180 NSRect okButtonRect = [okButton_.get() frame];
181 right -= NSWidth(okButtonRect);
182 okButtonRect.origin.x = right;
183 [okButton_.get() setFrame:okButtonRect];
184 [self addSubview:okButton_.get()];
185 height = std::max(height, NSHeight(okButtonRect));
187 if ([controller_ hasCancelButton]) {
188 cancelButton_.reset([[NSButton alloc]
189 initWithFrame:NSMakeRect(0, bottom, 0, 0)]);
190 [cancelButton_.get() setBezelStyle:NSRoundedBezelStyle];
191 [cancelButton_.get() setTitle:[controller_ cancelButtonText]];
192 [cancelButton_.get() setTarget:self];
193 [cancelButton_.get() setAction:@selector(cancel:)];
194 [cancelButton_.get() sizeToFit];
195 NSRect cancelButtonRect = [cancelButton_.get() frame];
196 right -= NSWidth(cancelButtonRect) + kButtonHEdgeMargin;
197 cancelButtonRect.origin.x = right;
198 [cancelButton_.get() setFrame:cancelButtonRect];
199 [self addSubview:cancelButton_.get()];
200 height = std::max(height, NSHeight(cancelButtonRect));
203 // Add the message label (and the link label) to the second row.
204 left = kButtonHEdgeMargin;
205 right = NSWidth(frameRect);
206 bottom += height + kRelatedControlVerticalSpacing;
208 messageLabel_.reset([[ConfirmBubbleTextView alloc]
209 initWithFrame:NSMakeRect(left, bottom, kMaxMessageWidth, 0)]);
210 NSString* messageText = [controller_ messageText];
211 NSMutableDictionary* attributes = [NSMutableDictionary dictionary];
212 base::scoped_nsobject<NSMutableAttributedString> attributedMessage(
213 [[NSMutableAttributedString alloc] initWithString:messageText
214 attributes:attributes]);
215 NSString* linkText = [controller_ linkText];
217 base::scoped_nsobject<NSAttributedString> whiteSpace(
218 [[NSAttributedString alloc] initWithString:@" "]);
219 [attributedMessage.get() appendAttributedString:whiteSpace.get()];
220 [attributes setObject:[NSString string]
221 forKey:NSLinkAttributeName];
222 base::scoped_nsobject<NSAttributedString> attributedLink(
223 [[NSAttributedString alloc] initWithString:linkText
224 attributes:attributes]);
225 [attributedMessage.get() appendAttributedString:attributedLink.get()];
227 [[messageLabel_.get() textStorage] setAttributedString:attributedMessage];
228 [messageLabel_.get() setHorizontallyResizable:NO];
229 [messageLabel_.get() setVerticallyResizable:YES];
230 [messageLabel_.get() setEditable:NO];
231 [messageLabel_.get() setDrawsBackground:NO];
232 [messageLabel_.get() setDelegate:self];
233 [messageLabel_.get() sizeToFit];
234 height = NSHeight([messageLabel_.get() frame]);
235 [self addSubview:messageLabel_.get()];
237 // Add the icon and the title label to the third row.
238 left = kButtonHEdgeMargin;
239 right = NSWidth(frameRect);
240 bottom += height + kLabelToControlVerticalSpacing;
242 NSImage* iconImage = [controller_ icon];
244 icon_.reset([[NSImageView alloc] initWithFrame:NSMakeRect(
245 left, bottom, [iconImage size].width, [iconImage size].height)]);
246 [icon_.get() setImage:iconImage];
247 [self addSubview:icon_.get()];
248 left += NSWidth([icon_.get() frame]) + kRelatedControlHorizontalSpacing;
249 height = std::max(height, NSHeight([icon_.get() frame]));
251 titleLabel_.reset([[NSTextView alloc]
252 initWithFrame:NSMakeRect(left, bottom, right - left, 0)]);
253 [titleLabel_.get() setString:[controller_ title]];
254 [titleLabel_.get() setHorizontallyResizable:NO];
255 [titleLabel_.get() setVerticallyResizable:YES];
256 [titleLabel_.get() setEditable:NO];
257 [titleLabel_.get() setSelectable:NO];
258 [titleLabel_.get() setDrawsBackground:NO];
259 [titleLabel_.get() sizeToFit];
260 [self addSubview:titleLabel_.get()];
261 height = std::max(height, NSHeight([titleLabel_.get() frame]));
263 // Adjust the frame rectangle of this bubble so we can show all controls.
264 NSRect parentRect = [parent_ frame];
265 frameRect.size.height = bottom + height + kButtonVEdgeMargin;
266 frameRect.origin.x = (NSWidth(parentRect) - NSWidth(frameRect)) / 2;
267 frameRect.origin.y = NSHeight(parentRect) - NSHeight(frameRect);
268 [self setFrame:frameRect];
271 // Closes this bubble and releases all resources. This function just puts the
272 // owner ConfirmBubbleController object to the current autorelease pool. (This
273 // view will be deleted when the owner object is deleted.)
274 - (void)closeBubble {
275 [self removeFromSuperview];
276 [controller_ autorelease];
283 @implementation ConfirmBubbleCocoa (ExposedForUnitTesting)
289 - (void)clickCancel {
294 [self textView:messageLabel_.get() clickedOnLink:nil atIndex:0];