| // Copyright 2014 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 "apps/app_window_geometry_cache.h" |
| |
| #include "base/bind.h" |
| #include "base/stl_util.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "chrome/browser/profiles/incognito_helpers.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "components/keyed_service/content/browser_context_dependency_manager.h" |
| #include "extensions/browser/extension_prefs.h" |
| #include "extensions/browser/extension_prefs_factory.h" |
| #include "extensions/browser/extension_registry.h" |
| #include "extensions/browser/extensions_browser_client.h" |
| #include "extensions/common/extension.h" |
| |
| namespace { |
| |
| // The timeout in milliseconds before we'll persist window geometry to the |
| // StateStore. |
| const int kSyncTimeoutMilliseconds = 1000; |
| |
| } // namespace |
| |
| namespace apps { |
| |
| AppWindowGeometryCache::AppWindowGeometryCache( |
| Profile* profile, |
| extensions::ExtensionPrefs* prefs) |
| : prefs_(prefs), |
| sync_delay_(base::TimeDelta::FromMilliseconds(kSyncTimeoutMilliseconds)), |
| extension_registry_observer_(this) { |
| extension_registry_observer_.Add(extensions::ExtensionRegistry::Get(profile)); |
| } |
| |
| AppWindowGeometryCache::~AppWindowGeometryCache() {} |
| |
| // static |
| AppWindowGeometryCache* AppWindowGeometryCache::Get( |
| content::BrowserContext* context) { |
| return Factory::GetForContext(context, true /* create */); |
| } |
| |
| void AppWindowGeometryCache::SaveGeometry(const std::string& extension_id, |
| const std::string& window_id, |
| const gfx::Rect& bounds, |
| const gfx::Rect& screen_bounds, |
| ui::WindowShowState window_state) { |
| ExtensionData& extension_data = cache_[extension_id]; |
| |
| // If we don't have any unsynced changes and this is a duplicate of what's |
| // already in the cache, just ignore it. |
| if (extension_data[window_id].bounds == bounds && |
| extension_data[window_id].window_state == window_state && |
| extension_data[window_id].screen_bounds == screen_bounds && |
| !ContainsKey(unsynced_extensions_, extension_id)) |
| return; |
| |
| base::Time now = base::Time::Now(); |
| |
| extension_data[window_id].bounds = bounds; |
| extension_data[window_id].screen_bounds = screen_bounds; |
| extension_data[window_id].window_state = window_state; |
| extension_data[window_id].last_change = now; |
| |
| if (extension_data.size() > kMaxCachedWindows) { |
| ExtensionData::iterator oldest = extension_data.end(); |
| // Too many windows in the cache, find the oldest one to remove. |
| for (ExtensionData::iterator it = extension_data.begin(); |
| it != extension_data.end(); |
| ++it) { |
| // Don't expunge the window that was just added. |
| if (it->first == window_id) |
| continue; |
| |
| // If time is in the future, reset it to now to minimize weirdness. |
| if (it->second.last_change > now) |
| it->second.last_change = now; |
| |
| if (oldest == extension_data.end() || |
| it->second.last_change < oldest->second.last_change) |
| oldest = it; |
| } |
| extension_data.erase(oldest); |
| } |
| |
| unsynced_extensions_.insert(extension_id); |
| |
| // We don't use Reset() because the timer may not yet be running. |
| // (In that case Stop() is a no-op.) |
| sync_timer_.Stop(); |
| sync_timer_.Start( |
| FROM_HERE, sync_delay_, this, &AppWindowGeometryCache::SyncToStorage); |
| } |
| |
| void AppWindowGeometryCache::SyncToStorage() { |
| std::set<std::string> tosync; |
| tosync.swap(unsynced_extensions_); |
| for (std::set<std::string>::const_iterator it = tosync.begin(), |
| eit = tosync.end(); |
| it != eit; |
| ++it) { |
| const std::string& extension_id = *it; |
| const ExtensionData& extension_data = cache_[extension_id]; |
| |
| scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue); |
| for (ExtensionData::const_iterator it = extension_data.begin(), |
| eit = extension_data.end(); |
| it != eit; |
| ++it) { |
| base::DictionaryValue* value = new base::DictionaryValue; |
| const gfx::Rect& bounds = it->second.bounds; |
| const gfx::Rect& screen_bounds = it->second.screen_bounds; |
| DCHECK(!bounds.IsEmpty()); |
| DCHECK(!screen_bounds.IsEmpty()); |
| DCHECK(it->second.window_state != ui::SHOW_STATE_DEFAULT); |
| value->SetInteger("x", bounds.x()); |
| value->SetInteger("y", bounds.y()); |
| value->SetInteger("w", bounds.width()); |
| value->SetInteger("h", bounds.height()); |
| value->SetInteger("screen_bounds_x", screen_bounds.x()); |
| value->SetInteger("screen_bounds_y", screen_bounds.y()); |
| value->SetInteger("screen_bounds_w", screen_bounds.width()); |
| value->SetInteger("screen_bounds_h", screen_bounds.height()); |
| value->SetInteger("state", it->second.window_state); |
| value->SetString( |
| "ts", base::Int64ToString(it->second.last_change.ToInternalValue())); |
| dict->SetWithoutPathExpansion(it->first, value); |
| |
| FOR_EACH_OBSERVER( |
| Observer, |
| observers_, |
| OnGeometryCacheChanged(extension_id, it->first, bounds)); |
| } |
| |
| prefs_->SetGeometryCache(extension_id, dict.Pass()); |
| } |
| } |
| |
| bool AppWindowGeometryCache::GetGeometry(const std::string& extension_id, |
| const std::string& window_id, |
| gfx::Rect* bounds, |
| gfx::Rect* screen_bounds, |
| ui::WindowShowState* window_state) { |
| std::map<std::string, ExtensionData>::const_iterator extension_data_it = |
| cache_.find(extension_id); |
| |
| // Not in the map means loading data for the extension didn't finish yet or |
| // the cache was not constructed until after the extension was loaded. |
| // Attempt to load from sync to address the latter case. |
| if (extension_data_it == cache_.end()) { |
| LoadGeometryFromStorage(extension_id); |
| extension_data_it = cache_.find(extension_id); |
| DCHECK(extension_data_it != cache_.end()); |
| } |
| |
| ExtensionData::const_iterator window_data_it = |
| extension_data_it->second.find(window_id); |
| |
| if (window_data_it == extension_data_it->second.end()) |
| return false; |
| |
| const WindowData& window_data = window_data_it->second; |
| |
| // Check for and do not return corrupt data. |
| if ((bounds && window_data.bounds.IsEmpty()) || |
| (screen_bounds && window_data.screen_bounds.IsEmpty()) || |
| (window_state && window_data.window_state == ui::SHOW_STATE_DEFAULT)) |
| return false; |
| |
| if (bounds) |
| *bounds = window_data.bounds; |
| if (screen_bounds) |
| *screen_bounds = window_data.screen_bounds; |
| if (window_state) |
| *window_state = window_data.window_state; |
| return true; |
| } |
| |
| void AppWindowGeometryCache::Shutdown() { SyncToStorage(); } |
| |
| AppWindowGeometryCache::WindowData::WindowData() |
| : window_state(ui::SHOW_STATE_DEFAULT) {} |
| |
| AppWindowGeometryCache::WindowData::~WindowData() {} |
| |
| void AppWindowGeometryCache::OnExtensionLoaded( |
| content::BrowserContext* browser_context, |
| const extensions::Extension* extension) { |
| LoadGeometryFromStorage(extension->id()); |
| } |
| |
| void AppWindowGeometryCache::OnExtensionUnloaded( |
| content::BrowserContext* browser_context, |
| const extensions::Extension* extension, |
| extensions::UnloadedExtensionInfo::Reason reason) { |
| SyncToStorage(); |
| cache_.erase(extension->id()); |
| } |
| |
| void AppWindowGeometryCache::SetSyncDelayForTests(int timeout_ms) { |
| sync_delay_ = base::TimeDelta::FromMilliseconds(timeout_ms); |
| } |
| |
| void AppWindowGeometryCache::LoadGeometryFromStorage( |
| const std::string& extension_id) { |
| ExtensionData& extension_data = cache_[extension_id]; |
| |
| const base::DictionaryValue* stored_windows = |
| prefs_->GetGeometryCache(extension_id); |
| if (!stored_windows) |
| return; |
| |
| for (base::DictionaryValue::Iterator it(*stored_windows); !it.IsAtEnd(); |
| it.Advance()) { |
| // If the cache already contains geometry for this window, don't |
| // overwrite that information since it is probably the result of an |
| // application starting up very quickly. |
| const std::string& window_id = it.key(); |
| ExtensionData::iterator cached_window = extension_data.find(window_id); |
| if (cached_window == extension_data.end()) { |
| const base::DictionaryValue* stored_window; |
| if (it.value().GetAsDictionary(&stored_window)) { |
| WindowData& window_data = extension_data[it.key()]; |
| |
| int i; |
| if (stored_window->GetInteger("x", &i)) |
| window_data.bounds.set_x(i); |
| if (stored_window->GetInteger("y", &i)) |
| window_data.bounds.set_y(i); |
| if (stored_window->GetInteger("w", &i)) |
| window_data.bounds.set_width(i); |
| if (stored_window->GetInteger("h", &i)) |
| window_data.bounds.set_height(i); |
| if (stored_window->GetInteger("screen_bounds_x", &i)) |
| window_data.screen_bounds.set_x(i); |
| if (stored_window->GetInteger("screen_bounds_y", &i)) |
| window_data.screen_bounds.set_y(i); |
| if (stored_window->GetInteger("screen_bounds_w", &i)) |
| window_data.screen_bounds.set_width(i); |
| if (stored_window->GetInteger("screen_bounds_h", &i)) |
| window_data.screen_bounds.set_height(i); |
| if (stored_window->GetInteger("state", &i)) { |
| window_data.window_state = static_cast<ui::WindowShowState>(i); |
| } |
| std::string ts_as_string; |
| if (stored_window->GetString("ts", &ts_as_string)) { |
| int64 ts; |
| if (base::StringToInt64(ts_as_string, &ts)) { |
| window_data.last_change = base::Time::FromInternalValue(ts); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Factory boilerplate |
| |
| // static |
| AppWindowGeometryCache* AppWindowGeometryCache::Factory::GetForContext( |
| content::BrowserContext* context, |
| bool create) { |
| return static_cast<AppWindowGeometryCache*>( |
| GetInstance()->GetServiceForBrowserContext(context, create)); |
| } |
| |
| AppWindowGeometryCache::Factory* |
| AppWindowGeometryCache::Factory::GetInstance() { |
| return Singleton<AppWindowGeometryCache::Factory>::get(); |
| } |
| |
| AppWindowGeometryCache::Factory::Factory() |
| : BrowserContextKeyedServiceFactory( |
| "AppWindowGeometryCache", |
| BrowserContextDependencyManager::GetInstance()) { |
| DependsOn(extensions::ExtensionPrefsFactory::GetInstance()); |
| } |
| |
| AppWindowGeometryCache::Factory::~Factory() {} |
| |
| KeyedService* AppWindowGeometryCache::Factory::BuildServiceInstanceFor( |
| content::BrowserContext* context) const { |
| Profile* profile = Profile::FromBrowserContext(context); |
| return new AppWindowGeometryCache(profile, |
| extensions::ExtensionPrefs::Get(profile)); |
| } |
| |
| bool AppWindowGeometryCache::Factory::ServiceIsNULLWhileTesting() const { |
| return false; |
| } |
| |
| content::BrowserContext* |
| AppWindowGeometryCache::Factory::GetBrowserContextToUse( |
| content::BrowserContext* context) const { |
| return extensions::ExtensionsBrowserClient::Get()->GetOriginalContext( |
| context); |
| } |
| |
| void AppWindowGeometryCache::AddObserver(Observer* observer) { |
| observers_.AddObserver(observer); |
| } |
| |
| void AppWindowGeometryCache::RemoveObserver(Observer* observer) { |
| observers_.RemoveObserver(observer); |
| } |
| |
| } // namespace apps |
