Allow the window icon to be shown in the task bar, Alt+Tab etc.

B=1031854


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@614 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/views/frame/browser_view2.cc

@@ -217,6 +217,7 @@ void BrowserView2::SelectedTabToolbarSizeChanged(bool is_animating) {
 
 void BrowserView2::UpdateTitleBar() {
   frame_->GetWindow()->UpdateWindowTitle();
+  frame_->GetWindow()->UpdateWindowIcon();
 }
 
 void BrowserView2::SetWindowTitle(const std::wstring& title) {
@@ -419,10 +420,8 @@ void BrowserView2::TabSelectedAt(TabContents* old_contents,
   if (BrowserList::GetLastActive() == browser_)
     new_contents->RestoreFocus();
 
-  /*
-  UpdateWindowTitle();
-  UpdateToolbar(true);
-  */
+  UpdateTitleBar();
+  // UpdateToolbar(true);
 
   UpdateUIForContents(new_contents);
 }
@@ -467,10 +466,13 @@ bool BrowserView2::ShouldShowWindowTitle() const {
 }
 
 SkBitmap BrowserView2::GetWindowIcon() {
-  SkBitmap favicon = browser_->GetCurrentPageIcon();
-  if (favicon.isNull())
-    return default_favicon_;
-  return favicon;
+  if (browser_->GetType() == BrowserType::APPLICATION) {
+    SkBitmap favicon = browser_->GetCurrentPageIcon();
+    if (favicon.isNull())
+      return default_favicon_;
+    return favicon;
+  }
+  return SkBitmap();
 }
 
 bool BrowserView2::ShouldShowWindowIcon() const {

chrome/views/custom_frame_window.cc

@@ -889,6 +889,13 @@ void CustomFrameWindow::UpdateWindowTitle() {
   Window::UpdateWindowTitle();
 }
 
+void CustomFrameWindow::UpdateWindowIcon() {
+  // The icon will be re-validated during painting.
+  non_client_view_->SchedulePaint();
+  // Call the base class so that places like the Task Bar get updated.
+  Window::UpdateWindowIcon();
+}
+
 void CustomFrameWindow::EnableClose(bool enable) {
   non_client_view_->EnableClose(enable);
   // Make sure the SysMenu changes to reflect this change as well.

chrome/views/custom_frame_window.h

@@ -67,6 +67,7 @@ class CustomFrameWindow : public Window {
   virtual gfx::Size CalculateWindowSizeForClientSize(
       const gfx::Size& client_size) const;
   virtual void UpdateWindowTitle();
+  virtual void UpdateWindowIcon();
 
  protected:
   // Overridden from Window:

chrome/views/window.cc

@@ -32,6 +32,7 @@
 #include "chrome/app/chrome_dll_resource.h"
 // TODO(beng): some day make this unfortunate dependency not exist.
 #include "chrome/browser/browser_list.h"
+#include "chrome/common/gfx/icon_util.h"
 #include "chrome/common/l10n_util.h"
 #include "chrome/common/pref_service.h"
 #include "chrome/common/resource_bundle.h"
@@ -182,6 +183,17 @@ void Window::UpdateWindowTitle() {
   SetWindowText(GetHWND(), window_title.c_str());
 }
 
+void Window::UpdateWindowIcon() {
+  SkBitmap icon = window_delegate_->GetWindowIcon();
+  if (!icon.isNull()) {
+    HICON windows_icon = IconUtil::CreateHICONFromSkBitmap(icon);
+    SendMessage(GetHWND(), WM_SETICON, ICON_SMALL,
+                reinterpret_cast<LPARAM>(windows_icon));
+    SendMessage(GetHWND(), WM_SETICON, ICON_BIG,
+                reinterpret_cast<LPARAM>(windows_icon));
+  }
+}
+
 // static
 bool Window::SaveWindowPositionToPrefService(PrefService* pref_service,
                                              const std::wstring& entry,

chrome/views/window.h

@@ -112,6 +112,9 @@ class Window : public HWNDViewContainer {
   // Tell the window to update its title from the delegate.
   virtual void UpdateWindowTitle();
 
+  // Tell the window to update its icon from the delegate.
+  virtual void UpdateWindowIcon();
+
   // The parent of this window.
   HWND owning_window() const { return owning_hwnd_; }