| // Copyright (c) 2011 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/tabs/pinned_tab_codec.h" |
| |
| #include "base/values.h" |
| #include "chrome/browser/extensions/extension_tab_helper.h" |
| #include "chrome/browser/prefs/pref_service.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/tabs/tab_strip_model.h" |
| #include "chrome/browser/ui/browser.h" |
| #include "chrome/browser/ui/browser_list.h" |
| #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h" |
| #include "chrome/common/extensions/extension.h" |
| #include "chrome/common/pref_names.h" |
| #include "content/browser/tab_contents/tab_contents.h" |
| #include "content/common/page_transition_types.h" |
| |
| typedef BrowserInit::LaunchWithProfile::Tab Tab; |
| |
| // Key used in dictionaries for the app id. |
| static const char kAppID[] = "app_id"; |
| |
| // Key used in dictionaries for the url. |
| static const char kURL[] = "url"; |
| |
| // Returns true if |browser| has any pinned tabs. |
| static bool HasPinnedTabs(Browser* browser) { |
| TabStripModel* tab_model = browser->tabstrip_model(); |
| for (int i = 0; i < tab_model->count(); ++i) { |
| if (tab_model->IsTabPinned(i)) |
| return true; |
| } |
| return false; |
| } |
| |
| // Adds a DictionaryValue to |values| representing the pinned tab at the |
| // specified index. |
| static void EncodePinnedTab(TabStripModel* model, |
| int index, |
| ListValue* values) { |
| scoped_ptr<DictionaryValue> value(new DictionaryValue()); |
| |
| TabContentsWrapper* tab_contents = model->GetTabContentsAt(index); |
| if (model->IsAppTab(index)) { |
| const Extension* extension = |
| tab_contents->extension_tab_helper()->extension_app(); |
| DCHECK(extension); |
| value->SetString(kAppID, extension->id()); |
| // For apps we use the launch url. We do this for the following reason: |
| // . the user is effectively restarting the app, so that returning them to |
| // the app's launch page seems closest to what they expect. |
| value->SetString(kURL, extension->GetFullLaunchURL().spec()); |
| values->Append(value.release()); |
| } else { |
| NavigationEntry* entry = tab_contents->controller().GetActiveEntry(); |
| if (!entry && tab_contents->controller().entry_count()) |
| entry = tab_contents->controller().GetEntryAtIndex(0); |
| if (entry) { |
| value->SetString(kURL, entry->url().spec()); |
| values->Append(value.release()); |
| } |
| } |
| } |
| |
| // Invokes EncodePinnedTab for each pinned tab in browser. |
| static void EncodePinnedTabs(Browser* browser, ListValue* values) { |
| TabStripModel* tab_model = browser->tabstrip_model(); |
| for (int i = 0; i < tab_model->count() && tab_model->IsTabPinned(i); ++i) |
| EncodePinnedTab(tab_model, i, values); |
| } |
| |
| // Decodes the previously written values in |value| to |tab|, returning true |
| // on success. |
| static bool DecodeTab(const DictionaryValue& value, Tab* tab) { |
| tab->is_app = false; |
| |
| std::string url_string; |
| if (!value.GetString(kURL, &url_string)) |
| return false; |
| tab->url = GURL(url_string); |
| |
| if (value.GetString(kAppID, &(tab->app_id))) |
| tab->is_app = true; |
| |
| return true; |
| } |
| |
| // static |
| void PinnedTabCodec::RegisterUserPrefs(PrefService* prefs) { |
| prefs->RegisterListPref(prefs::kPinnedTabs); |
| } |
| |
| // static |
| void PinnedTabCodec::WritePinnedTabs(Profile* profile) { |
| PrefService* prefs = profile->GetPrefs(); |
| if (!prefs) |
| return; |
| |
| ListValue values; |
| for (BrowserList::const_iterator i = BrowserList::begin(); |
| i != BrowserList::end(); ++i) { |
| Browser* browser = *i; |
| if (browser->type() == Browser::TYPE_NORMAL && |
| browser->profile() == profile && HasPinnedTabs(browser)) { |
| EncodePinnedTabs(browser, &values); |
| } |
| } |
| prefs->Set(prefs::kPinnedTabs, values); |
| prefs->ScheduleSavePersistentPrefs(); |
| } |
| |
| // static |
| std::vector<Tab> PinnedTabCodec::ReadPinnedTabs(Profile* profile) { |
| std::vector<Tab> results; |
| |
| PrefService* prefs = profile->GetPrefs(); |
| if (!prefs) |
| return results; |
| |
| const ListValue* pref_value = prefs->GetList(prefs::kPinnedTabs); |
| if (!pref_value) |
| return results; |
| |
| for (size_t i = 0, max = pref_value->GetSize(); i < max; ++i) { |
| DictionaryValue* values = NULL; |
| if (pref_value->GetDictionary(i, &values)) { |
| Tab tab; |
| if (DecodeTab(*values, &tab)) |
| results.push_back(tab); |
| } |
| } |
| return results; |
| } |