Move AppWindow related classes to extensions

apps/app_window_geometry_cache.cc

Index: apps/app_window_geometry_cache.cc
diff --git a/apps/app_window_geometry_cache.cc b/apps/app_window_geometry_cache.cc
deleted file mode 100644
index 667595f9ac2e7eb1d74d95f0f413b1f7d20261d9..0000000000000000000000000000000000000000
--- a/apps/app_window_geometry_cache.cc
+++ /dev/null
@@ -1,308 +0,0 @@
-// 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 "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(
-    content::BrowserContext* context,
-    extensions::ExtensionPrefs* prefs)
-    : prefs_(prefs),
-      sync_delay_(base::TimeDelta::FromMilliseconds(kSyncTimeoutMilliseconds)),
-      extension_registry_observer_(this) {
-  extension_registry_observer_.Add(extensions::ExtensionRegistry::Get(context));
-}
-
-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 {
-  return new AppWindowGeometryCache(context,
-                                    extensions::ExtensionPrefs::Get(context));
-}
-
-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