Refactor ExtensionTabUtil-namespaced functions into their own file.

chrome/browser/extensions/extension_tab_util.cc

Index: chrome/browser/extensions/extension_tab_util.cc
diff --git a/chrome/browser/extensions/extension_tab_util.cc b/chrome/browser/extensions/extension_tab_util.cc
new file mode 100644
index 0000000000000000000000000000000000000000..6bf27d65348c6ed70a2c056da4537275b0039297
--- /dev/null
+++ b/chrome/browser/extensions/extension_tab_util.cc
@@ -0,0 +1,215 @@
+// 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/profiles/profile.h"
+#include "chrome/browser/extensions/extension_tab_util.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/tabs/tab_strip_model.h"
+#include "content/browser/tab_contents/tab_contents.h"
+#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
+#include "chrome/browser/ui/browser_window.h"
+#include "chrome/browser/ui/browser_list.h"
+#include "chrome/browser/sessions/restore_tab_helper.h"
+#include "chrome/browser/extensions/extension_tabs_module_constants.h"
+
+namespace keys = extension_tabs_module_constants;
+namespace errors = extension_manifest_errors;
+
+int ExtensionTabUtil::GetWindowId(const Browser* browser) {
+  return browser->session_id().id();
+}
+
+// TODO(sky): this function should really take a TabContentsWrapper.
+int ExtensionTabUtil::GetTabId(const TabContents* tab_contents) {
+  const TabContentsWrapper* tab =
+      TabContentsWrapper::GetCurrentWrapperForContents(tab_contents);
+  return tab ? tab->restore_tab_helper()->session_id().id() : -1;
+}
+
+std::string ExtensionTabUtil::GetTabStatusText(bool is_loading) {
+  return is_loading ? keys::kStatusValueLoading : keys::kStatusValueComplete;
+}
+
+// TODO(sky): this function should really take a TabContentsWrapper.
+int ExtensionTabUtil::GetWindowIdOfTab(const TabContents* tab_contents) {
+  const TabContentsWrapper* tab =
+      TabContentsWrapper::GetCurrentWrapperForContents(tab_contents);
+  return tab ? tab->restore_tab_helper()->window_id().id() : -1;
+}
+
+DictionaryValue* ExtensionTabUtil::CreateTabValue(
+    const TabContents* contents) {
+  // Find the tab strip and index of this guy.
+  TabStripModel* tab_strip = NULL;
+  int tab_index;
+  if (ExtensionTabUtil::GetTabStripModel(contents, &tab_strip, &tab_index))
+    return ExtensionTabUtil::CreateTabValue(contents, tab_strip, tab_index);
+
+  // Couldn't find it.  This can happen if the tab is being dragged.
+  return ExtensionTabUtil::CreateTabValue(contents, NULL, -1);
+}
+
+ListValue* ExtensionTabUtil::CreateTabList(const Browser* browser) {
+  ListValue* tab_list = new ListValue();
+  TabStripModel* tab_strip = browser->tabstrip_model();
+  for (int i = 0; i < tab_strip->count(); ++i) {
+    tab_list->Append(ExtensionTabUtil::CreateTabValue(
+        tab_strip->GetTabContentsAt(i)->tab_contents(), tab_strip, i));
+  }
+
+  return tab_list;
+}
+
+DictionaryValue* ExtensionTabUtil::CreateTabValue(const TabContents* contents,
+                                                  TabStripModel* tab_strip,
+                                                  int tab_index) {
+  DictionaryValue* result = new DictionaryValue();
+  bool is_loading = contents->IsLoading();
+  result->SetInteger(keys::kIdKey, ExtensionTabUtil::GetTabId(contents));
+  result->SetInteger(keys::kIndexKey, tab_index);
+  result->SetInteger(keys::kWindowIdKey,
+                     ExtensionTabUtil::GetWindowIdOfTab(contents));
+  result->SetString(keys::kUrlKey, contents->GetURL().spec());
+  result->SetString(keys::kStatusKey, GetTabStatusText(is_loading));
+  result->SetBoolean(keys::kSelectedKey,
+                     tab_strip && tab_index == tab_strip->active_index());
+  result->SetBoolean(keys::kPinnedKey,
+                     tab_strip && tab_strip->IsTabPinned(tab_index));
+  result->SetString(keys::kTitleKey, contents->GetTitle());
+  result->SetBoolean(keys::kIncognitoKey,
+                     contents->browser_context()->IsOffTheRecord());
+
+  if (!is_loading) {
+    NavigationEntry* entry = contents->controller().GetActiveEntry();
+    if (entry) {
+      if (entry->favicon().is_valid())
+        result->SetString(keys::kFaviconUrlKey, entry->favicon().url().spec());
+    }
+  }
+
+  return result;
+}
+
+DictionaryValue* ExtensionTabUtil::CreateTabValueActive(
+    const TabContents* contents,
+    bool active) {
+  DictionaryValue* result = ExtensionTabUtil::CreateTabValue(contents);
+  result->SetBoolean(keys::kSelectedKey, active);
+  return result;
+}
+
+// Return the type name for a browser window type.
+static std::string GetWindowTypeText(const Browser* browser) {
+  if (browser->is_type_popup())
+    return keys::kWindowTypeValuePopup;
+  if (browser->is_type_panel())
+    return keys::kWindowTypeValuePanel;
+  if (browser->is_app())
+    return keys::kWindowTypeValueApp;
+  return keys::kWindowTypeValueNormal;
+}
+
+// if |populate| is true, each window gets a list property |tabs| which contains
+// fully populated tab objects.
+DictionaryValue* ExtensionTabUtil::CreateWindowValue(const Browser* browser,
+                                                     bool populate_tabs) {
+  DCHECK(browser);
+  DCHECK(browser->window());
+  DictionaryValue* result = new DictionaryValue();
+  result->SetInteger(keys::kIdKey, ExtensionTabUtil::GetWindowId(browser));
+  result->SetBoolean(keys::kIncognitoKey,
+                     browser->profile()->IsOffTheRecord());
+  result->SetBoolean(keys::kFocusedKey, browser->window()->IsActive());
+  gfx::Rect bounds;
+  if (browser->window()->IsMaximized() || browser->window()->IsFullscreen())
+    bounds = browser->window()->GetBounds();
+  else
+    bounds = browser->window()->GetRestoredBounds();
+
+  result->SetInteger(keys::kLeftKey, bounds.x());
+  result->SetInteger(keys::kTopKey, bounds.y());
+  result->SetInteger(keys::kWidthKey, bounds.width());
+  result->SetInteger(keys::kHeightKey, bounds.height());
+  result->SetString(keys::kWindowTypeKey, GetWindowTypeText(browser));
+
+  if (populate_tabs) {
+    result->Set(keys::kTabsKey, ExtensionTabUtil::CreateTabList(browser));
+  }
+
+  return result;
+}
+
+bool ExtensionTabUtil::GetTabStripModel(const TabContents* tab_contents,
+                                        TabStripModel** tab_strip_model,
+                                        int* tab_index) {
+  DCHECK(tab_contents);
+  DCHECK(tab_strip_model);
+  DCHECK(tab_index);
+
+  for (BrowserList::const_iterator it = BrowserList::begin();
+      it != BrowserList::end(); ++it) {
+    TabStripModel* tab_strip = (*it)->tabstrip_model();
+    int index = tab_strip->GetWrapperIndex(tab_contents);
+    if (index != -1) {
+      *tab_strip_model = tab_strip;
+      *tab_index = index;
+      return true;
+    }
+  }
+
+  return false;
+}
+
+bool ExtensionTabUtil::GetDefaultTab(Browser* browser,
+                                     TabContentsWrapper** contents,
+                                     int* tab_id) {
+  DCHECK(browser);
+  DCHECK(contents);
+
+  *contents = browser->GetSelectedTabContentsWrapper();
+  if (*contents) {
+    if (tab_id)
+      *tab_id = ExtensionTabUtil::GetTabId((*contents)->tab_contents());
+    return true;
+  }
+
+  return false;
+}
+
+bool ExtensionTabUtil::GetTabById(int tab_id,
+                                  Profile* profile,
+                                  bool include_incognito,
+                                  Browser** browser,
+                                  TabStripModel** tab_strip,
+                                  TabContentsWrapper** contents,
+                                  int* tab_index) {
+  Profile* incognito_profile =
+      include_incognito && profile->HasOffTheRecordProfile() ?
+          profile->GetOffTheRecordProfile() : NULL;
+  for (BrowserList::const_iterator iter = BrowserList::begin();
+       iter != BrowserList::end(); ++iter) {
+    Browser* target_browser = *iter;
+    if (target_browser->profile() == profile ||
+        target_browser->profile() == incognito_profile) {
+      TabStripModel* target_tab_strip = target_browser->tabstrip_model();
+      for (int i = 0; i < target_tab_strip->count(); ++i) {
+        TabContentsWrapper* target_contents =
+            target_tab_strip->GetTabContentsAt(i);
+        if (target_contents->restore_tab_helper()->session_id().id() ==
+            tab_id) {
+          if (browser)
+            *browser = target_browser;
+          if (tab_strip)
+            *tab_strip = target_tab_strip;
+          if (contents)
+            *contents = target_contents;
+          if (tab_index)
+            *tab_index = i;
+          return true;
+        }
+      }
+    }
+  }
+  return false;
+}