Gtk: Allow all columns in task manager to be sortable.

chrome/browser/gtk/task_manager_gtk.h

Index: chrome/browser/gtk/task_manager_gtk.h
diff --git a/chrome/browser/gtk/task_manager_gtk.h b/chrome/browser/gtk/task_manager_gtk.h
index 50f813c8a238ff8274db003666fdabd4c8234d06..05e77abc7b8a6f617c6285f8a364a76f6ea202b2 100644
--- a/chrome/browser/gtk/task_manager_gtk.h
+++ b/chrome/browser/gtk/task_manager_gtk.h
@@ -10,6 +10,7 @@
 #include <string>
 
 #include "chrome/browser/task_manager.h"
+#include "grit/generated_resources.h"
 
 class TaskManagerGtk : public TaskManagerModelObserver {
  public:
@@ -64,6 +65,10 @@ class TaskManagerGtk : public TaskManagerModelObserver {
   // Opens about:memory in a new foreground tab.
   void OnLinkActivated();
 
+  // Compare implementation used for sorting columns.
+  gint CompareImpl(GtkTreeModel* tree_model, GtkTreeIter* a,
+                   GtkTreeIter* b, int id);
+
   // response signal handler that notifies us of dialog responses.
   static void OnResponse(GtkDialog* dialog, gint response_id,
                          TaskManagerGtk* task_manager);
@@ -91,6 +96,62 @@ class TaskManagerGtk : public TaskManagerModelObserver {
                                    GdkModifierType modifier,
                                    TaskManagerGtk* task_manager);
 
+  // Page sorting callback.
+  static gint ComparePage(GtkTreeModel* model, GtkTreeIter* a,
+                          GtkTreeIter* b, gpointer task_manager) {
+    return reinterpret_cast<TaskManagerGtk*>(task_manager)->
+        CompareImpl(model, a, b, IDS_TASK_MANAGER_PAGE_COLUMN);
+  }
+
+  // Physical memory sorting callback.
+  static gint ComparePhysicalMemory(GtkTreeModel* model, GtkTreeIter* a,
+                                    GtkTreeIter* b, gpointer task_manager) {
+    return reinterpret_cast<TaskManagerGtk*>(task_manager)->
+        CompareImpl(model, a, b, IDS_TASK_MANAGER_PHYSICAL_MEM_COLUMN);
+  }
+
+  // Shared memory sorting callback.
+  static gint CompareSharedMemory(GtkTreeModel* model, GtkTreeIter* a,
+                                  GtkTreeIter* b, gpointer task_manager) {
+    return reinterpret_cast<TaskManagerGtk*>(task_manager)->
+        CompareImpl(model, a, b, IDS_TASK_MANAGER_SHARED_MEM_COLUMN);
+  }
+
+  // Private memory sorting callback.
+  static gint ComparePrivateMemory(GtkTreeModel* model, GtkTreeIter* a,
+                                   GtkTreeIter* b, gpointer task_manager) {
+    return reinterpret_cast<TaskManagerGtk*>(task_manager)->
+        CompareImpl(model, a, b, IDS_TASK_MANAGER_PRIVATE_MEM_COLUMN);
+  }
+
+  // CPU sorting callback.
+  static gint CompareCPU(GtkTreeModel* model, GtkTreeIter* a,
+                         GtkTreeIter* b, gpointer task_manager) {
+    return reinterpret_cast<TaskManagerGtk*>(task_manager)->
+        CompareImpl(model, a, b, IDS_TASK_MANAGER_CPU_COLUMN);
+  }
+
+  // Network sorting callback.
+  static gint CompareNetwork(GtkTreeModel* model, GtkTreeIter* a,
+                             GtkTreeIter* b, gpointer task_manager) {
+    return reinterpret_cast<TaskManagerGtk*>(task_manager)->
+        CompareImpl(model, a, b, IDS_TASK_MANAGER_NET_COLUMN);
+  }
+
+  // Process ID sorting callback.
+  static gint CompareProcessID(GtkTreeModel* model, GtkTreeIter* a,
+                               GtkTreeIter* b, gpointer task_manager) {
+    return reinterpret_cast<TaskManagerGtk*>(task_manager)->
+        CompareImpl(model, a, b, IDS_TASK_MANAGER_PROCESS_ID_COLUMN);
+  }
+
+  // Goats Teleported sorting callback.
+  static gint CompareGoatsTeleported(GtkTreeModel* model, GtkTreeIter* a,
+                                     GtkTreeIter* b, gpointer task_manager) {
+    return reinterpret_cast<TaskManagerGtk*>(task_manager)->
+        CompareImpl(model, a, b, IDS_TASK_MANAGER_GOATS_TELEPORTED_COLUMN);
+  }
+
   // The task manager.
   TaskManager* task_manager_;
 
@@ -105,6 +166,7 @@ class TaskManagerGtk : public TaskManagerModelObserver {
 
   // The list of processes.
   GtkListStore* process_list_;
+  GtkTreeModel* process_list_sort_;
 
   // The number of processes in |process_list_|.
   int process_count_;