Save and restore State for ShellWindows, including panels

chrome/browser/extensions/shell_window_geometry_cache.cc

 // Copyright (c) 2012 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/extensions/shell_window_geometry_cache.h"
 
 #include "base/bind.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/extensions/extension_prefs.h"
@@ skipping 22 matching lines @@
                  content::Source<Profile>(profile));
 }
 
 ShellWindowGeometryCache::~ShellWindowGeometryCache() {
   SyncToStorage();
 }
 
 void ShellWindowGeometryCache::SaveGeometry(
     const std::string& extension_id,
     const std::string& window_id,
-    const gfx::Rect& bounds) {
+    const gfx::Rect& 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 &&
       !ContainsKey(unsynced_extensions_, extension_id))
     return;
 
   base::Time now = base::Time::Now();
 
   extension_data[window_id].bounds = 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;
 
@@ skipping 27 matching lines @@
 
     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;
       value->SetInteger("x", bounds.x());
       value->SetInteger("y", bounds.y());
       value->SetInteger("w", bounds.width());
       value->SetInteger("h", bounds.height());
+      value->SetInteger("state", it->second.window_state);
       value->SetString(
           "ts", base::Int64ToString(it->second.last_change.ToInternalValue()));
       dict->SetWithoutPathExpansion(it->first, value);
     }
     prefs_->SetGeometryCache(extension_id, dict.Pass());
   }
 }
 
 bool ShellWindowGeometryCache::GetGeometry(
     const std::string& extension_id,
     const std::string& window_id,
-    gfx::Rect* bounds) const {
+    gfx::Rect* bounds,
+    ui::WindowShowState* window_state) const {
 
   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.
   if (extension_data_it == cache_.end())
     return false;
 
   ExtensionData::const_iterator window_data = extension_data_it->second.find(
       window_id);
 
   if (window_data == extension_data_it->second.end())
     return false;
 
-  *bounds = window_data->second.bounds;
+  if (bounds)
+    *bounds = window_data->second.bounds;
+  if (window_state)
+    *window_state = window_data->second.window_state;
   return true;
 }
 
 void ShellWindowGeometryCache::Observe(
     int type, const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   switch (type) {
     case chrome::NOTIFICATION_EXTENSION_LOADED: {
       std::string extension_id =
           content::Details<const Extension>(details).ptr()->id();
@@ skipping 25 matching lines @@
       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);
+    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("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);
           }
         }
       }
     }
   }
 }
 
 void ShellWindowGeometryCache::OnExtensionUnloaded(
     const std::string& extension_id) {
   SyncToStorage();
   cache_.erase(extension_id);
 }
 
 } // namespace extensions