Extensions: Listen for BROWSER_THEME_CHANGED and send updated CSS.

GTK: Listen for BROWSER_THEME_CHANGED and upload proper colors.

BUG=23031

Review URL: http://codereview.chromium.org/248006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@27368 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 34 insertions, 12 deletions

diff --git a/chrome/browser/extensions/extension_host.cc b/chrome/browser/extensions/extension_host.cc
index ea19514..9a1baa6 100644
--- a/chrome/browser/extensions/extension_host.cc
+++ b/chrome/browser/extensions/extension_host.cc
@@ -135,9 +135,14 @@ void ExtensionHost::NavigateToURL(const GURL& url) {
 void ExtensionHost::Observe(NotificationType type,
                             const NotificationSource& source,
                             const NotificationDetails& details) {
-  DCHECK(type == NotificationType::EXTENSION_BACKGROUND_PAGE_READY);
-  DCHECK(extension_->GetBackgroundPageReady());
-  NavigateToURL(url_);
+  if (type == NotificationType::EXTENSION_BACKGROUND_PAGE_READY) {
+    DCHECK(extension_->GetBackgroundPageReady());
+    NavigateToURL(url_);
+  } else if (type == NotificationType::BROWSER_THEME_CHANGED) {
+    InsertThemeCSS();
+  } else {
+    NOTREACHED();
+  }
 }
 
 void ExtensionHost::UpdatePreferredWidth(int pref_width) {
@@ -241,10 +246,15 @@ void ExtensionHost::DidStopLoading(RenderViewHost* render_view_host) {
 
 void ExtensionHost::DocumentAvailableInMainFrame(RenderViewHost* rvh) {
   document_element_available_ = true;
-  if (is_background_page())
+  if (is_background_page()) {
     extension_->SetBackgroundPageReady();
-  else
+  } else {
     InsertThemeCSS();
+
+    // Listen for browser changes so we can resend the CSS.
+    registrar_.Add(this, NotificationType::BROWSER_THEME_CHANGED,
+                   NotificationService::AllSources());
+  }
 }
 
 void ExtensionHost::RunJavaScriptMessage(const std::wstring& message,
diff --git a/chrome/browser/gtk/extension_shelf_gtk.cc b/chrome/browser/gtk/extension_shelf_gtk.cc
index d16d2b2..d0d7916 100644
--- a/chrome/browser/gtk/extension_shelf_gtk.cc
+++ b/chrome/browser/gtk/extension_shelf_gtk.cc
@@ -15,9 +15,6 @@
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 
-// Background color of the shelf.
-static const GdkColor kBackgroundColor = GDK_COLOR_RGB(230, 237, 244);
-
 // Border color (the top pixel of the shelf).
 const GdkColor kBorderColor = GDK_COLOR_RGB(214, 214, 214);
 
@@ -168,6 +165,18 @@ void ExtensionShelfGtk::Observe(NotificationType type,
   } else {
     gtk_widget_modify_bg(top_border_, GTK_STATE_NORMAL, &kBorderColor);
   }
+
+  GdkColor color = theme_provider_->GetGdkColor(
+      BrowserThemeProvider::COLOR_TOOLBAR);
+  gtk_widget_modify_bg(event_box_.get(), GTK_STATE_NORMAL, &color);
+
+  // Reset the background images on all the individual toolstrips
+  background_.reset();
+  InitBackground();
+  for (std::set<Toolstrip*>::iterator it = toolstrips_.begin();
+       it != toolstrips_.end(); ++it) {
+    (*it)->SetBackground(*background_.get());
+  }
 }
 
 void ExtensionShelfGtk::Init(Profile* profile) {
@@ -178,7 +187,6 @@ void ExtensionShelfGtk::Init(Profile* profile) {
   // widget.
   event_box_.Own(gtk_event_box_new());
   ViewIDUtil::SetID(event_box_.get(), VIEW_ID_DEV_EXTENSION_SHELF);
-  gtk_widget_modify_bg(event_box_.get(), GTK_STATE_NORMAL, &kBackgroundColor);
 
   shelf_hbox_ = gtk_hbox_new(FALSE, 0);
 
@@ -199,12 +207,16 @@ void ExtensionShelfGtk::Init(Profile* profile) {
 void ExtensionShelfGtk::InitBackground() {
   if (background_.get())
     return;
+
+  GdkColor color =
+      theme_provider_->GetGdkColor(BrowserThemeProvider::COLOR_TOOLBAR);
+
   background_.reset(new SkBitmap);
   background_->setConfig(SkBitmap::kARGB_8888_Config, 3, 3);
   background_->allocPixels();
-  background_->eraseRGB(kBackgroundColor.red >> 8,
-                        kBackgroundColor.green >> 8,
-                        kBackgroundColor.blue >> 8);
+  background_->eraseRGB(color.red >> 8,
+                        color.green >> 8,
+                        color.blue >> 8);
 }
 
 void ExtensionShelfGtk::AdjustHeight() {