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1 // Copyright 2017 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 "ios/clean/chrome/browser/model/browser_list.h" | |
6 | |
7 #include <stdint.h> | |
8 | |
9 #include "base/logging.h" | |
10 #include "base/memory/ptr_util.h" | |
11 #include "ios/chrome/browser/browser_state/chrome_browser_state.h" | |
12 | |
13 #if !defined(__has_feature) || !__has_feature(objc_arc) | |
14 #error "This file requires ARC support." | |
15 #endif | |
16 | |
17 namespace { | |
18 const char kBrowserListKey = 0; | |
19 } | |
20 | |
21 BrowserList::BrowserList(ios::ChromeBrowserState* browser_state) | |
22 : browser_state_(browser_state) { | |
23 DCHECK(browser_state_); | |
24 } | |
25 | |
26 BrowserList::~BrowserList() = default; | |
27 | |
28 // static | |
29 BrowserList* BrowserList::FromBrowserState( | |
30 ios::ChromeBrowserState* browser_state) { | |
31 base::SupportsUserData::Data* data = | |
32 browser_state->GetUserData(&kBrowserListKey); | |
33 if (!data) { | |
34 browser_state->SetUserData(&kBrowserListKey, | |
35 base::MakeUnique<BrowserList>(browser_state)); | |
36 data = browser_state->GetUserData(&kBrowserListKey); | |
37 } | |
38 DCHECK(data); | |
39 return static_cast<BrowserList*>(data); | |
40 } | |
41 | |
42 int BrowserList::GetBrowserCount() const { | |
43 DCHECK_LE(browsers_.size(), static_cast<size_t>(INT_MAX)); | |
44 return static_cast<int>(browsers_.size()); | |
45 } | |
46 | |
47 int BrowserList::ContainsIndex(int index) const { | |
48 return 0 <= index && index < GetBrowserCount(); | |
49 } | |
rohitrao (ping after 24h)
2017/03/04 01:29:49
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50 Browser* BrowserList::GetBrowserAtIndex(int index) const { | |
51 DCHECK(ContainsIndex(index)); | |
52 return browsers_[index].get(); | |
53 } | |
54 | |
55 Browser* BrowserList::CreateNewBrowser() { | |
56 browsers_.push_back(base::MakeUnique<Browser>(browser_state_)); | |
57 return browsers_.back().get(); | |
58 } | |
59 | |
60 void BrowserList::CloseBrowserAtIndex(int index) { | |
61 DCHECK(ContainsIndex(index)); | |
62 browsers_.erase(browsers_.begin() + index); | |
63 } | |
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