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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/cocoa/bookmark_menu_bridge.h"
#import <AppKit/AppKit.h>
#include "base/sys_string_conversions.h"
#include "chrome/app/chrome_dll_resource.h" // IDC_BOOKMARK_MENU
#import "chrome/browser/app_controller_mac.h"
#include "chrome/browser/browser.h"
#include "chrome/browser/browser_list.h"
#import "chrome/browser/cocoa/bookmark_menu_cocoa_controller.h"
#include "chrome/browser/profile.h"
#include "chrome/browser/profile_manager.h"
BookmarkMenuBridge::BookmarkMenuBridge()
: controller_([[BookmarkMenuCocoaController alloc] initWithBridge:this]) {
// Depending on when this is constructed, we may or may not have a
// browser yet. If we do, start watching the bookmarks. If we do
// not, delay watching until we see a SetLastActive(). At this time
// (6/12/09), the BookmarkMenuBridge object is constructed AFTER the
// first SetLastActive in -[AppController applicationDidFinishLaunching:].
Browser* browser = BrowserList::GetLastActive();
if (browser) {
observing_ = false; // not observing browser activation
ObserveBookmarkModel();
} else {
observing_ = true;
BrowserList::AddObserver(this);
}
}
BookmarkMenuBridge::~BookmarkMenuBridge() {
if (observing_)
BrowserList::RemoveObserver(this);
BookmarkModel *model = GetBookmarkModel();
if (model)
model->RemoveObserver(this);
[controller_ release];
}
NSMenu* BookmarkMenuBridge::BookmarkMenu() {
NSMenu* bookmark_menu = [[[NSApp mainMenu] itemWithTag:IDC_BOOKMARK_MENU]
submenu];
return bookmark_menu;
}
void BookmarkMenuBridge::Loaded(BookmarkModel* model) {
NSMenu* bookmark_menu = BookmarkMenu();
if (bookmark_menu == nil)
return;
ClearBookmarkMenu(bookmark_menu);
// TODO(jrg): limit the number of bookmarks in the menubar?
AddNodeToMenu(model->GetBookmarkBarNode(), bookmark_menu);
}
void BookmarkMenuBridge::BookmarkModelBeingDeleted(BookmarkModel* model) {
NSMenu* bookmark_menu = BookmarkMenu();
if (bookmark_menu == nil)
return;
ClearBookmarkMenu(bookmark_menu);
}
void BookmarkMenuBridge::BookmarkNodeMoved(BookmarkModel* model,
const BookmarkNode* old_parent,
int old_index,
const BookmarkNode* new_parent,
int new_index) {
// TODO(jrg): this is brute force; perhaps we should be nicer.
Loaded(model);
}
void BookmarkMenuBridge::BookmarkNodeAdded(BookmarkModel* model,
const BookmarkNode* parent,
int index) {
// TODO(jrg): this is brute force; perhaps we should be nicer.
Loaded(model);
}
void BookmarkMenuBridge::BookmarkNodeChanged(BookmarkModel* model,
const BookmarkNode* node) {
// TODO(jrg): this is brute force; perhaps we should be nicer.
Loaded(model);
}
void BookmarkMenuBridge::BookmarkNodeFavIconLoaded(BookmarkModel* model,
const BookmarkNode* node) {
// Nothing to do here -- no icons in the menubar menus yet.
// TODO(jrg):
// Both Safari and FireFox have icons in their menubars for bookmarks.
}
void BookmarkMenuBridge::BookmarkNodeChildrenReordered(
BookmarkModel* model, const BookmarkNode* node) {
// TODO(jrg): this is brute force; perhaps we should be nicer.
Loaded(model);
}
void BookmarkMenuBridge::OnBrowserAdded(const Browser* browser) {
// Intentionally empty -- we don't care, but pure virtual so we must
// implement.
}
void BookmarkMenuBridge::OnBrowserRemoving(const Browser* browser) {
// Intentionally empty -- we don't care, but pure virtual so we must
// implement.
}
// The current browser has changed; update the bookmark menus. For
// our use, we only care about the first one to know when a profile is
// complete.
void BookmarkMenuBridge::OnBrowserSetLastActive(const Browser* browser) {
BrowserList::RemoveObserver(this);
observing_ = false;
ObserveBookmarkModel();
}
// Watch for changes.
void BookmarkMenuBridge::ObserveBookmarkModel() {
BookmarkModel* model = GetBookmarkModel();
model->AddObserver(this);
if (model->IsLoaded())
Loaded(model);
}
BookmarkModel* BookmarkMenuBridge::GetBookmarkModel() {
// In incognito mode we use the main profile's bookmarks.
// Thus, we don't return browser_->profile()->GetBookmarkModel().
Profile* profile = GetDefaultProfile();
// In unit tests, there is no default profile.
// TODO(jrg): refactor so we don't "allow" NULLs in non-test environments.
return profile ? profile->GetBookmarkModel() : NULL;
}
Profile* BookmarkMenuBridge::GetDefaultProfile() {
// The delegate of the main application is an AppController
return [[NSApp delegate] defaultProfile];
}
void BookmarkMenuBridge::ClearBookmarkMenu(NSMenu* menu) {
// Recursively delete all menus that look like a bookmark. Assume
// all items with submenus contain only bookmarks. This typically
// deletes everything except the first two items ("Add Bookmark..."
// and separator)
NSArray* items = [menu itemArray];
for (NSMenuItem* item in items) {
// Convention: items in the bookmark list which are bookmarks have
// an action of openBookmarkMenuItem:. Also, assume all items
// with submenus are submenus of bookmarks.
if (([item action] == @selector(openBookmarkMenuItem:)) ||
([item hasSubmenu])) {
// This will eventually [obj release] all its kids, if it has
// any.
[menu removeItem:item];
} else {
// Not a bookmark or item with submenu, so leave it alone.
}
}
}
namespace {
// Menus more than this many chars long will get trimmed
const NSUInteger kMaximumMenuWidthInChars = 65;
// When trimming, use this many chars from each side
const NSUInteger kMenuTrimSizeInChars = 30;
}
void BookmarkMenuBridge::AddNodeToMenu(const BookmarkNode* node, NSMenu* menu) {
for (int i = 0; i < node->GetChildCount(); i++) {
const BookmarkNode* child = node->GetChild(i);
NSString* full_title = base::SysWideToNSString(child->GetTitle());
NSString* title = full_title;
if ([title length] > kMaximumMenuWidthInChars) {
// TODO(jrg): add a better heuristic? I'd really like to trim this
// by pixels, not by chars (font is not fixed width).
// For Safari, it appears that menu names >60 chars get split up to
// 30char + "..." + 30char.
title = [NSString stringWithFormat:@"%@…%@",
[title substringToIndex:kMenuTrimSizeInChars],
[title substringFromIndex:([title length] -
kMenuTrimSizeInChars)]];
}
NSMenuItem* item = [[[NSMenuItem alloc] initWithTitle:title
action:nil
keyEquivalent:@""] autorelease];
[menu addItem:item];
if (child->is_folder()) {
NSMenu* submenu = [[[NSMenu alloc] initWithTitle:title] autorelease];
[menu setSubmenu:submenu forItem:item];
AddNodeToMenu(child, submenu); // recursive call
} else {
[item setTarget:controller_];
[item setAction:@selector(openBookmarkMenuItem:)];
[item setTag:child->id()];
// Add a tooltip
std::string url_string = child->GetURL().possibly_invalid_spec();
NSString* tooltip = [NSString stringWithFormat:@"%@\n%s", full_title,
url_string.c_str()];
[item setToolTip:tooltip];
}
}
}
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