patch for global error bubbles (view/gtk)

chrome/browser/ui/gtk/global_error_bubble.cc

+// 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/ui/gtk/global_error_bubble.h"
+
+#include "base/i18n/rtl.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/global_error_delegate.h"
+#include "chrome/browser/ui/gtk/browser_toolbar_gtk.h"
+#include "chrome/browser/ui/gtk/browser_window_gtk.h"
+#include "chrome/browser/ui/gtk/gtk_theme_service.h"
+#include "chrome/browser/ui/gtk/gtk_util.h"
+#include "ui/base/gtk/gtk_hig_constants.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/gfx/gtk_util.h"
+#include "ui/gfx/image/image.h"
+
+namespace {
+
+// Padding between content and edge of bubble.
+const int kContentBorder = 7;
+
+// Horizontal spacing between the image view and the label.
+const int kImageViewSpacing = 5;
+                            
+// Vertical spacing between labels.
+const int kInterLineSpacing = 5;
+
+// Text size of the message label. 12.1px = 9pt @ 96dpi.
+const double kMessageTextSize = 12.1;
+
+// Width of the message label.
+const int kMessageLabelWidth = 250;
+                            
+}  // namespace
+
+GlobalErrorBubble::GlobalErrorBubble(Profile* profile,
+                                     GlobalErrorDelegate* delegate,
+                                     GtkWidget* anchor)
+    : bubble_(NULL),
+      delegate_(delegate) {
+  GtkWidget* content = gtk_vbox_new(FALSE, kInterLineSpacing);
+  gtk_container_set_border_width(GTK_CONTAINER(content), kContentBorder);
+  g_signal_connect(content, "destroy",
+                   G_CALLBACK(&HandleDestroyThunk), this);
+
+  GtkThemeService* theme_service_ = GtkThemeService::GetFrom(profile);
+
+  int resource_id = delegate->GetBubbleViewIconResourceID();
+  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+  const SkBitmap* bitmap = rb.GetImageNamed(resource_id).ToSkBitmap();
+  GdkPixbuf* pixbuf = gfx::GdkPixbufFromSkBitmap(bitmap);
+  GtkWidget* image_view = gtk_image_new_from_pixbuf(pixbuf);
+
+  GtkWidget* title_label = theme_service_->BuildLabel(
+      UTF16ToUTF8(delegate->GetBubbleViewTitle()),
+      ui::kGdkBlack);
+  GtkWidget* message_label = theme_service_->BuildLabel(
+      UTF16ToUTF8(delegate->GetBubbleViewMessage()),
+      ui::kGdkBlack);
+  gtk_util::ForceFontSizePixels(message_label, kMessageTextSize);
+  gtk_util::SetLabelWidth(message_label, kMessageLabelWidth);
+  GtkWidget* accept_button = gtk_button_new_with_label(
+      UTF16ToUTF8(delegate->GetBubbleViewAcceptButtonLabel()).c_str());
+  string16 cancel_string = delegate->GetBubbleViewCancelButtonLabel();
+  GtkWidget* cancel_button = NULL;
+  if (!cancel_string.empty()) {
+    cancel_button =
+        gtk_button_new_with_label(UTF16ToUTF8(cancel_string).c_str());
+  }
+
+  // Top, icon and title.
+  GtkWidget* top = gtk_hbox_new(FALSE, kImageViewSpacing);
+  gtk_box_pack_start(GTK_BOX(top), image_view, FALSE, FALSE, 0);
+  gtk_box_pack_start(GTK_BOX(top), title_label, FALSE, FALSE, 0);
+  gtk_box_pack_start(GTK_BOX(content), top, FALSE, FALSE, 0);
+
+  // Middle, message.
+  gtk_box_pack_start(GTK_BOX(content), message_label, FALSE, FALSE, 0);
+  gtk_box_pack_start(GTK_BOX(content), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 0);
+
+  // Bottom, accept and cancel button.
+  // We want the buttons on the right, so just use an expanding label to fill
+  // all of the extra space on the left.
+  GtkWidget* bottom = gtk_hbox_new(FALSE, ui::kControlSpacing);
+  gtk_box_pack_start(GTK_BOX(bottom), gtk_label_new(NULL), TRUE, TRUE, 0);
+  if (cancel_button)
+    gtk_box_pack_start(GTK_BOX(bottom), cancel_button, FALSE, FALSE, 0);
+  gtk_box_pack_start(GTK_BOX(bottom), accept_button, FALSE, FALSE, 0);
+  gtk_box_pack_start(GTK_BOX(content), bottom, FALSE, FALSE, 0);
+
+  gtk_widget_grab_focus(accept_button);
+
+  g_signal_connect(accept_button, "clicked",
+                   G_CALLBACK(&HandleAcceptButtonThunk), this);
+  if (cancel_button) {
+    g_signal_connect(cancel_button, "clicked",
+                     G_CALLBACK(&HandleCancelButtonThunk), this);
+  }
+
+  BubbleGtk::ArrowLocationGtk arrow_location =
+      base::i18n::IsRTL() ?
+      BubbleGtk::ARROW_LOCATION_TOP_LEFT :
+      BubbleGtk::ARROW_LOCATION_TOP_RIGHT;
+  bubble_ = BubbleGtk::Show(anchor,
+                            NULL,
+                            content,
+                            arrow_location,
+                            true,  // match_system_theme
+                            true,  // grab_input
+                            theme_service_,
+                            this);  // delegate
+}
+
+GlobalErrorBubble::~GlobalErrorBubble() {
+}
+
+void GlobalErrorBubble::BubbleClosing(BubbleGtk* bubble,
+                                      bool closed_by_escape) {
+}
+
+void GlobalErrorBubble::HandleDestroy(GtkWidget* sender) {
+  delete this;
+}
+
+void GlobalErrorBubble::HandleAcceptButton(GtkWidget* sender) {
+  delegate_->BubbleViewAcceptButtonPressed();
+  bubble_->Close();
+}
+
+void GlobalErrorBubble::HandleCancelButton(GtkWidget* sender) {
+  delegate_->BubbleViewCancelButtonPressed();
+  bubble_->Close();
+}
+
+void GlobalErrorDelegate::ShowBubbleView(
+    GlobalErrorDelegate* delegate,
+    Browser* browser,
+    const gfx::Rect& position_relative_to) {
+  BrowserWindowGtk* browser_window =
+      BrowserWindowGtk::GetBrowserWindowForNativeWindow(
+          browser->window()->GetNativeHandle());
+  GtkWidget* anchor = browser_window->GetToolbar()->GetAppMenuButton();
+
+  // The bubble will be automatically deleted when it's closed.
+  new GlobalErrorBubble(browser->profile(), delegate, anchor);
+}