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/browser_finder.h" 6 7#include "chrome/browser/profiles/profile.h" 8#include "chrome/browser/ui/browser_iterator.h" 9#include "chrome/browser/ui/browser_list.h" 10#include "chrome/browser/ui/browser_window.h" 11#include "chrome/browser/ui/tab_contents/tab_contents_iterator.h" 12#include "chrome/browser/ui/tabs/tab_strip_model.h" 13#include "content/public/browser/navigation_controller.h" 14 15using content::WebContents; 16 17namespace { 18 19 20// Type used to indicate to match anything. 21const int kMatchAny = 0; 22 23// See BrowserMatches for details. 24const int kMatchOriginalProfile = 1 << 0; 25const int kMatchCanSupportWindowFeature = 1 << 1; 26const int kMatchTabbed = 1 << 2; 27 28// Returns true if the specified |browser| matches the specified arguments. 29// |match_types| is a bitmask dictating what parameters to match: 30// . If it contains kMatchOriginalProfile then the original profile of the 31// browser must match |profile->GetOriginalProfile()|. This is used to match 32// incognito windows. 33// . If it contains kMatchCanSupportWindowFeature 34// |CanSupportWindowFeature(window_feature)| must return true. 35// . If it contains kMatchTabbed, the browser must be a tabbed browser. 36bool BrowserMatches(Browser* browser, 37 Profile* profile, 38 Browser::WindowFeature window_feature, 39 uint32 match_types) { 40 if (match_types & kMatchCanSupportWindowFeature && 41 !browser->CanSupportWindowFeature(window_feature)) { 42 return false; 43 } 44 45 if (match_types & kMatchOriginalProfile) { 46 if (browser->profile()->GetOriginalProfile() != 47 profile->GetOriginalProfile()) 48 return false; 49 } else if (browser->profile() != profile) { 50 return false; 51 } 52 53 if (match_types & kMatchTabbed) 54 return browser->is_type_tabbed(); 55 56 return true; 57} 58 59// Returns the first browser in the specified iterator that returns true from 60// |BrowserMatches|, or null if no browsers match the arguments. See 61// |BrowserMatches| for details on the arguments. 62template <class T> 63Browser* FindBrowserMatching(const T& begin, 64 const T& end, 65 Profile* profile, 66 Browser::WindowFeature window_feature, 67 uint32 match_types) { 68 for (T i = begin; i != end; ++i) { 69 if (BrowserMatches(*i, profile, window_feature, match_types)) 70 return *i; 71 } 72 return NULL; 73} 74 75Browser* FindBrowserWithTabbedOrAnyType(Profile* profile, 76 chrome::HostDesktopType desktop_type, 77 bool match_tabbed, 78 bool match_original_profiles) { 79 BrowserList* browser_list_impl = BrowserList::GetInstance(desktop_type); 80 if (!browser_list_impl) 81 return NULL; 82 uint32 match_types = kMatchAny; 83 if (match_tabbed) 84 match_types |= kMatchTabbed; 85 if (match_original_profiles) 86 match_types |= kMatchOriginalProfile; 87 Browser* browser = FindBrowserMatching(browser_list_impl->begin_last_active(), 88 browser_list_impl->end_last_active(), 89 profile, 90 Browser::FEATURE_NONE, 91 match_types); 92 // Fall back to a forward scan of all Browsers if no active one was found. 93 return browser ? browser : FindBrowserMatching(browser_list_impl->begin(), 94 browser_list_impl->end(), 95 profile, 96 Browser::FEATURE_NONE, 97 match_types); 98} 99 100size_t GetBrowserCountImpl(Profile* profile, 101 chrome::HostDesktopType desktop_type, 102 uint32 match_types) { 103 BrowserList* browser_list_impl = BrowserList::GetInstance(desktop_type); 104 size_t count = 0; 105 if (browser_list_impl) { 106 for (BrowserList::const_iterator i = browser_list_impl->begin(); 107 i != browser_list_impl->end(); ++i) { 108 if (BrowserMatches(*i, profile, Browser::FEATURE_NONE, match_types)) 109 count++; 110 } 111 } 112 return count; 113} 114 115} // namespace 116 117namespace chrome { 118 119Browser* FindTabbedBrowser(Profile* profile, 120 bool match_original_profiles, 121 HostDesktopType type) { 122 return FindBrowserWithTabbedOrAnyType(profile, 123 type, 124 true, 125 match_original_profiles); 126} 127 128Browser* FindAnyBrowser(Profile* profile, 129 bool match_original_profiles, 130 HostDesktopType type) { 131 return FindBrowserWithTabbedOrAnyType(profile, 132 type, 133 false, 134 match_original_profiles); 135} 136 137Browser* FindBrowserWithProfile(Profile* profile, 138 HostDesktopType desktop_type) { 139 return FindBrowserWithTabbedOrAnyType(profile, desktop_type, false, false); 140} 141 142Browser* FindBrowserWithID(SessionID::id_type desired_id) { 143 for (BrowserIterator it; !it.done(); it.Next()) { 144 if (it->session_id().id() == desired_id) 145 return *it; 146 } 147 return NULL; 148} 149 150Browser* FindBrowserWithWindow(gfx::NativeWindow window) { 151 if (!window) 152 return NULL; 153 for (BrowserIterator it; !it.done(); it.Next()) { 154 Browser* browser = *it; 155 if (browser->window() && browser->window()->GetNativeWindow() == window) 156 return browser; 157 } 158 return NULL; 159} 160 161Browser* FindBrowserWithWebContents(const WebContents* web_contents) { 162 DCHECK(web_contents); 163 for (TabContentsIterator it; !it.done(); it.Next()) { 164 if (*it == web_contents) 165 return it.browser(); 166 } 167 return NULL; 168} 169 170Browser* FindLastActiveWithProfile(Profile* profile, HostDesktopType type) { 171 BrowserList* list = BrowserList::GetInstance(type); 172 // We are only interested in last active browsers, so we don't fall back to 173 // all browsers like FindBrowserWith* do. 174 return FindBrowserMatching(list->begin_last_active(), list->end_last_active(), 175 profile, Browser::FEATURE_NONE, kMatchAny); 176} 177 178Browser* FindLastActiveWithHostDesktopType(HostDesktopType type) { 179 BrowserList* browser_list_impl = BrowserList::GetInstance(type); 180 if (browser_list_impl) 181 return browser_list_impl->GetLastActive(); 182 return NULL; 183} 184 185size_t GetTotalBrowserCount() { 186 size_t count = 0; 187 for (HostDesktopType t = HOST_DESKTOP_TYPE_FIRST; t < HOST_DESKTOP_TYPE_COUNT; 188 t = static_cast<HostDesktopType>(t + 1)) { 189 count += BrowserList::GetInstance(t)->size(); 190 } 191 return count; 192} 193 194size_t GetTotalBrowserCountForProfile(Profile* profile) { 195 size_t count = 0; 196 for (HostDesktopType t = HOST_DESKTOP_TYPE_FIRST; t < HOST_DESKTOP_TYPE_COUNT; 197 t = static_cast<HostDesktopType>(t + 1)) { 198 count += GetBrowserCount(profile, t); 199 } 200 return count; 201} 202 203size_t GetBrowserCount(Profile* profile, HostDesktopType type) { 204 return GetBrowserCountImpl(profile, type, kMatchAny); 205} 206 207size_t GetTabbedBrowserCount(Profile* profile, HostDesktopType type) { 208 return GetBrowserCountImpl(profile, type, kMatchTabbed); 209} 210 211} // namespace chrome 212