src/chrome/browser/ui/cocoa/extensions/media_galleries_dialog_cocoa.mm

   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.
   4
   5 #include "chrome/browser/ui/cocoa/extensions/media_galleries_dialog_cocoa.h"
   6
   7 #include "base/mac/scoped_nsobject.h"
   8 #include "base/strings/sys_string_conversions.h"
   9 #include "chrome/browser/ui/chrome_style.h"
  10 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_alert.h"
  11 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_button.h"
  12 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_control_utils.h"
  13 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_sheet.h"
  14 #import "chrome/browser/ui/cocoa/key_equivalent_constants.h"
  15 #include "chrome/grit/generated_resources.h"
  16 #include "content/public/browser/web_contents.h"
  17 #import "ui/base/cocoa/flipped_view.h"
  18 #import "ui/base/cocoa/menu_controller.h"
  19 #include "ui/base/l10n/l10n_util.h"
  20 #import "ui/base/models/menu_model.h"
  21
  22 // Controller for UI events on items in the media galleries dialog.
  23 @interface MediaGalleriesCocoaController : NSObject {
  24  @private
  25   MediaGalleriesDialogCocoa* dialog_;
  26 }
  27
  28 @property(assign, nonatomic) MediaGalleriesDialogCocoa* dialog;
  29
  30 - (void)onAcceptButton:(id)sender;
  31 - (void)onCancelButton:(id)sender;
  32 - (void)onAuxiliaryButton:(id)sender;
  33
  34 @end
  35
  36 @implementation MediaGalleriesCocoaController
  37
  38 @synthesize dialog = dialog_;
  39
  40 - (void)onAcceptButton:(id)sender {
  41   dialog_->OnAcceptClicked();
  42 }
  43
  44 - (void)onCancelButton:(id)sender {
  45   dialog_->OnCancelClicked();
  46 }
  47
  48 - (void)onAuxiliaryButton:(id)sender {
  49   DCHECK(dialog_);
  50   dialog_->OnAuxiliaryButtonClicked();
  51 }
  52
  53 @end
  54
  55 namespace {
  56
  57 const CGFloat kCheckboxMargin = 10;
  58 const CGFloat kCheckboxMaxWidth = 440;
  59 const CGFloat kScrollAreaHeight = 220;
  60
  61 }  // namespace
  62
  63 MediaGalleriesDialogCocoa::MediaGalleriesDialogCocoa(
  64     MediaGalleriesDialogController* controller,
  65     MediaGalleriesCocoaController* cocoa_controller)
  66     : controller_(controller),
  67       accepted_(false),
  68       cocoa_controller_([cocoa_controller retain]) {
  69   [cocoa_controller_ setDialog:this];
  70
  71   alert_.reset([[ConstrainedWindowAlert alloc] init]);
  72
  73   [alert_ setMessageText:base::SysUTF16ToNSString(controller_->GetHeader())];
  74   [alert_ setInformativeText:
  75       base::SysUTF16ToNSString(controller_->GetSubtext())];
  76   [alert_ addButtonWithTitle:
  77       base::SysUTF16ToNSString(controller_->GetAcceptButtonText())
  78                keyEquivalent:kKeyEquivalentReturn
  79                       target:cocoa_controller_
  80                       action:@selector(onAcceptButton:)];
  81   [alert_ addButtonWithTitle:
  82       l10n_util::GetNSString(IDS_MEDIA_GALLERIES_DIALOG_CANCEL)
  83                keyEquivalent:kKeyEquivalentEscape
  84                       target:cocoa_controller_
  85                       action:@selector(onCancelButton:)];
  86   base::string16 auxiliaryButtonLabel = controller_->GetAuxiliaryButtonText();
  87   if (!auxiliaryButtonLabel.empty()) {
  88     [alert_ addButtonWithTitle:base::SysUTF16ToNSString(auxiliaryButtonLabel)
  89                  keyEquivalent:kKeyEquivalentNone
  90                         target:cocoa_controller_
  91                         action:@selector(onAuxiliaryButton:)];
  92   }
  93   [[alert_ closeButton] setTarget:cocoa_controller_];
  94   [[alert_ closeButton] setAction:@selector(onCancelButton:)];
  95
  96   InitDialogControls();
  97
  98   // May be NULL during tests.
  99   if (controller->WebContents()) {
 100     base::scoped_nsobject<CustomConstrainedWindowSheet> sheet(
 101         [[CustomConstrainedWindowSheet alloc]
 102             initWithCustomWindow:[alert_ window]]);
 103     window_.reset(new ConstrainedWindowMac(
 104         this, controller->WebContents(), sheet));
 105   }
 106 }
 107
 108 MediaGalleriesDialogCocoa::~MediaGalleriesDialogCocoa() {
 109 }
 110
 111 void MediaGalleriesDialogCocoa::AcceptDialogForTesting() {
 112   OnAcceptClicked();
 113 }
 114
 115 void MediaGalleriesDialogCocoa::InitDialogControls() {
 116   main_container_.reset([[NSBox alloc] init]);
 117   [main_container_ setBoxType:NSBoxCustom];
 118   [main_container_ setBorderType:NSLineBorder];
 119   [main_container_ setBorderWidth:1];
 120   [main_container_ setCornerRadius:0];
 121   [main_container_ setContentViewMargins:NSZeroSize];
 122   [main_container_ setTitlePosition:NSNoTitle];
 123   [main_container_ setBorderColor:[NSColor disabledControlTextColor]];
 124
 125   base::scoped_nsobject<NSScrollView> scroll_view(
 126       [[NSScrollView alloc] initWithFrame:
 127           NSMakeRect(0, 0, kCheckboxMaxWidth, kScrollAreaHeight)]);
 128   [scroll_view setHasVerticalScroller:YES];
 129   [scroll_view setHasHorizontalScroller:NO];
 130   [scroll_view setBorderType:NSNoBorder];
 131   [scroll_view setAutohidesScrollers:YES];
 132   [[main_container_ contentView] addSubview:scroll_view];
 133
 134   // Add gallery checkboxes inside the scrolling view.
 135   checkbox_container_.reset([[FlippedView alloc] initWithFrame:NSZeroRect]);
 136
 137   std::vector<base::string16> headers = controller_->GetSectionHeaders();
 138   CGFloat y_pos = 0;
 139   for (size_t i = 0; i < headers.size(); i++) {
 140     MediaGalleriesDialogController::Entries entries =
 141         controller_->GetSectionEntries(i);
 142     if (!entries.empty()) {
 143       if (!headers[i].empty()) {
 144         y_pos = CreateCheckboxSeparator(y_pos,
 145                                         base::SysUTF16ToNSString(headers[i]));
 146       }
 147       y_pos = CreateCheckboxes(y_pos, entries);
 148     }
 149   }
 150
 151   // Give the container a reasonable initial size so that the scroll_view can
 152   // figure out the content size.
 153   [checkbox_container_ setFrameSize:NSMakeSize(kCheckboxMaxWidth, y_pos)];
 154   [scroll_view setDocumentView:checkbox_container_];
 155   [checkbox_container_ setFrameSize:NSMakeSize([scroll_view contentSize].width,
 156                                                y_pos)];
 157
 158   // Resize to pack the scroll view if possible.
 159   NSRect scroll_frame = [scroll_view frame];
 160   if (NSHeight(scroll_frame) > NSHeight([checkbox_container_ frame])) {
 161     scroll_frame.size.height = NSHeight([checkbox_container_ frame]);
 162     [scroll_view setFrameSize:scroll_frame.size];
 163   }
 164
 165   [main_container_ setFrameFromContentFrame:scroll_frame];
 166   [main_container_ setFrameOrigin:NSZeroPoint];
 167   [alert_ setAccessoryView:main_container_];
 168
 169   // As a safeguard against the user skipping reading over the dialog and just
 170   // confirming, the button will be unavailable for dialogs without any checks
 171   // until the user toggles something.
 172   [[[alert_ buttons] objectAtIndex:0] setEnabled:
 173       controller_->IsAcceptAllowed()];
 174
 175   [alert_ layout];
 176 }
 177
 178 CGFloat MediaGalleriesDialogCocoa::CreateCheckboxes(
 179     CGFloat y_pos,
 180     const MediaGalleriesDialogController::Entries& entries) {
 181   for (MediaGalleriesDialogController::Entries::const_iterator iter =
 182        entries.begin(); iter != entries.end(); ++iter) {
 183     const MediaGalleriesDialogController::Entry& entry = *iter;
 184     base::scoped_nsobject<MediaGalleryListEntry> checkbox_entry(
 185         [[MediaGalleryListEntry alloc]
 186             initWithFrame:NSZeroRect
 187                controller:this
 188                  prefInfo:entry.pref_info
 189          showFolderViewer:controller_->ShouldShowFolderViewer(entry)]);
 190
 191     [checkbox_entry setState:entry.selected];
 192
 193     [checkbox_entry setFrameOrigin:NSMakePoint(0, y_pos)];
 194     y_pos = NSMaxY([checkbox_entry frame]) + kCheckboxMargin;
 195
 196     [checkbox_container_ addSubview:checkbox_entry];
 197   }
 198
 199   return y_pos;
 200 }
 201
 202 CGFloat MediaGalleriesDialogCocoa::CreateCheckboxSeparator(CGFloat y_pos,
 203                                                            NSString* header) {
 204   base::scoped_nsobject<NSBox> separator(
 205       [[NSBox alloc] initWithFrame:NSMakeRect(
 206           0, y_pos + kCheckboxMargin * 0.5, kCheckboxMaxWidth, 1.0)]);
 207   [separator setBoxType:NSBoxSeparator];
 208   [separator setBorderType:NSLineBorder];
 209   [separator setAlphaValue:0.2];
 210   [checkbox_container_ addSubview:separator];
 211   y_pos += kCheckboxMargin * 0.5 + 4;
 212
 213   base::scoped_nsobject<NSTextField> unattached_label(
 214       [[NSTextField alloc] initWithFrame:NSZeroRect]);
 215   [unattached_label setEditable:NO];
 216   [unattached_label setSelectable:NO];
 217   [unattached_label setBezeled:NO];
 218   [unattached_label setAttributedStringValue:
 219       constrained_window::GetAttributedLabelString(
 220           header,
 221           chrome_style::kTextFontStyle,
 222           NSNaturalTextAlignment,
 223           NSLineBreakByClipping
 224       )];
 225   [unattached_label sizeToFit];
 226   NSSize unattached_label_size = [unattached_label frame].size;
 227   [unattached_label setFrame:NSMakeRect(
 228       kCheckboxMargin, y_pos + kCheckboxMargin,
 229       kCheckboxMaxWidth, unattached_label_size.height)];
 230   [checkbox_container_ addSubview:unattached_label];
 231   y_pos = NSMaxY([unattached_label frame]) + kCheckboxMargin;
 232
 233   return y_pos;
 234 }
 235
 236 void MediaGalleriesDialogCocoa::OnAcceptClicked() {
 237   accepted_ = true;
 238
 239   if (window_)
 240     window_->CloseWebContentsModalDialog();
 241 }
 242
 243 void MediaGalleriesDialogCocoa::OnCancelClicked() {
 244   if (window_)
 245     window_->CloseWebContentsModalDialog();
 246 }
 247
 248 void MediaGalleriesDialogCocoa::OnAuxiliaryButtonClicked() {
 249   controller_->DidClickAuxiliaryButton();
 250 }
 251
 252 void MediaGalleriesDialogCocoa::UpdateGalleries() {
 253   InitDialogControls();
 254 }
 255
 256 void MediaGalleriesDialogCocoa::OnConstrainedWindowClosed(
 257     ConstrainedWindowMac* window) {
 258   controller_->DialogFinished(accepted_);
 259 }
 260
 261 void MediaGalleriesDialogCocoa::OnCheckboxToggled(MediaGalleryPrefId pref_id,
 262                                                   bool checked) {
 263   controller_->DidToggleEntry(pref_id, checked);
 264
 265   [[[alert_ buttons] objectAtIndex:0] setEnabled:
 266       controller_->IsAcceptAllowed()];
 267 }
 268
 269 void MediaGalleriesDialogCocoa::OnFolderViewerClicked(
 270     MediaGalleryPrefId prefId) {
 271   controller_->DidClickOpenFolderViewer(prefId);
 272 }
 273
 274 ui::MenuModel* MediaGalleriesDialogCocoa::GetContextMenu(
 275     MediaGalleryPrefId pref_id) {
 276   return controller_->GetContextMenu(pref_id);
 277 }
 278
 279 // static
 280 MediaGalleriesDialog* MediaGalleriesDialog::Create(
 281     MediaGalleriesDialogController* controller) {
 282   base::scoped_nsobject<MediaGalleriesCocoaController> cocoa_controller(
 283       [[MediaGalleriesCocoaController alloc] init]);
 284   return new MediaGalleriesDialogCocoa(controller, cocoa_controller);
 285 }