Implement script bubble for GTK.

chrome/browser/ui/gtk/script_bubble_gtk.cc

+// Copyright (c) 2012 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/script_bubble_gtk.h"
+
+#include <string>
+#include <vector>
+
+#include "base/i18n/rtl.h"
+#include "base/string_number_conversions.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_system.h"
+#include "chrome/browser/extensions/image_loader.h"
+#include "chrome/browser/extensions/script_bubble_controller.h"
+#include "chrome/browser/extensions/tab_helper.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/gtk/gtk_theme_service.h"
+#include "chrome/common/extensions/extension.h"
+#include "chrome/common/extensions/extension_set.h"
+#include "chrome/common/url_constants.h"
+#include "content/public/browser/web_contents.h"
+#include "grit/generated_resources.h"
+#include "grit/theme_resources.h"
+#include "grit/ui_resources.h"
+#include "ui/base/gtk/gtk_hig_constants.h"
+#include "ui/base/l10n/l10n_util.h"
+
+using content::WebContents;
+using content::OpenURLParams;
+using content::Referrer;
+using extensions::Extension;
+using extensions::ExtensionSystem;
+using extensions::TabHelper;
+using extensions::ImageLoader;
+
+namespace {
+
+// The currently open app-modal bubble singleton, or NULL if none is open.
+ScriptBubbleGtk* g_bubble = NULL;
+
+}  // namespace
+
+
+// static
+void ScriptBubbleGtk::Show(GtkWidget* anchor, WebContents* web_contents) {
+  if (!g_bubble)
+    g_bubble = new ScriptBubbleGtk(anchor, web_contents);
+}
+
+// static
+void ScriptBubbleGtk::OnItemLinkClickedThunk(GtkWidget* sender,
+                                             void* user_data) {
+  g_bubble->OnItemLinkClicked(sender);
+}
+
+ScriptBubbleGtk::ScriptBubbleGtk(GtkWidget* anchor, WebContents* web_contents)
+    : anchor_(anchor),
+      web_contents_(web_contents),
+      profile_(Profile::FromBrowserContext(web_contents_->GetBrowserContext())),
+      ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)) {
+  BuildBubble();
+}
+
+ScriptBubbleGtk::~ScriptBubbleGtk() {
+}
+
+void ScriptBubbleGtk::Close() {
+  if (bubble_)
+    bubble_->Close();
+}
+
+void ScriptBubbleGtk::BubbleClosing(BubbleGtk* bubble,
+                                    bool closed_by_escape) {
+  g_bubble = NULL;
+  delete this;
+}
+
+void ScriptBubbleGtk::BuildBubble() {
+  GtkThemeService* theme_provider = GtkThemeService::GetFrom(profile_);
+
+  GtkWidget* bubble_content = gtk_vbox_new(FALSE, ui::kControlSpacing);
+  gtk_container_set_border_width(GTK_CONTAINER(bubble_content),
+                                 ui::kContentAreaBorder);
+
+  extensions::TabHelper* tab_helper =
+      extensions::TabHelper::FromWebContents(web_contents_);
+  const std::set<std::string>& extensions_running_scripts =
+      tab_helper->script_bubble_controller()->extensions_running_scripts();
+  const ExtensionSet* loaded_extensions =
+      ExtensionSystem::Get(profile_)->extension_service()->extensions();
+
+  std::string heading_string =
+      l10n_util::GetStringUTF8(IDS_SCRIPT_BUBBLE_HEADLINE);
+  GtkWidget* heading = gtk_label_new(heading_string.c_str());
+  gtk_misc_set_alignment(GTK_MISC(heading), 0, 0);
+  gtk_box_pack_start(GTK_BOX(bubble_content), heading, FALSE, FALSE, 0);
+
+  for (std::set<std::string>::const_iterator iter =
+           extensions_running_scripts.begin();
+       iter != extensions_running_scripts.end(); ++iter) {
+    const Extension* extension = loaded_extensions->GetByID(*iter);
+    if (!extension)
+      continue;
+
+    GtkWidget* item = gtk_hbox_new(FALSE, ui::kControlSpacing);
+    gtk_box_pack_start(GTK_BOX(bubble_content), item, FALSE, FALSE, 0);
+
+    GtkWidget* image = gtk_image_new();
+    gtk_widget_set_usize(image, 16, 16);
+    gtk_box_pack_start(GTK_BOX(item), image, FALSE, FALSE, 0);
+
+    // Load the image asynchronously.
+    icon_controls_[extension->id()] = GTK_IMAGE(image);
+    ImageLoader::Get(profile_)->LoadImageAsync(
+        extension,
+        extension->GetIconResource(extension_misc::EXTENSION_ICON_BITTY,
+                                   ExtensionIconSet::MATCH_EXACTLY),
+        gfx::Size(extension_misc::EXTENSION_ICON_BITTY,
+                  extension_misc::EXTENSION_ICON_BITTY),
+        base::Bind(&ScriptBubbleGtk::OnIconLoaded,
+                   weak_ptr_factory_.GetWeakPtr(),
+                   extension->id()));
+
+    GtkWidget* link = theme_provider->BuildChromeLinkButton(
+        extension->name().c_str());
+    gtk_box_pack_start(GTK_BOX(item), link, FALSE, FALSE, 0);
+    link_controls_[GTK_WIDGET(link)] = extension->id();
+    g_signal_connect(link, "button-press-event",
+                     G_CALLBACK(&OnItemLinkClickedThunk), this);
+  }
+
+  BubbleGtk::ArrowLocationGtk arrow_location =
+      !base::i18n::IsRTL() ?
+      BubbleGtk::ARROW_LOCATION_TOP_RIGHT :
+      BubbleGtk::ARROW_LOCATION_TOP_LEFT;
+  bubble_ = BubbleGtk::Show(anchor_,
+                            NULL,
+                            bubble_content,
+                            arrow_location,
+                            BubbleGtk::MATCH_SYSTEM_THEME |
+                                BubbleGtk::POPUP_WINDOW |
+                                BubbleGtk::GRAB_INPUT,
+                            theme_provider,
+                            this);
+}
+
+void ScriptBubbleGtk::OnIconLoaded(const std::string& extension_id,
+                                   const gfx::Image& icon) {
+  gtk_image_set_from_pixbuf(
+      icon_controls_[extension_id],
+      (!icon.IsEmpty() ? icon :
+       GtkThemeService::GetFrom(profile_)->GetImageNamed(
+           IDR_EXTENSIONS_FAVICON)).ToGdkPixbuf());
+}
+
+void ScriptBubbleGtk::OnItemLinkClicked(GtkWidget* button) {
+  std::string link(chrome::kChromeUIExtensionsURL);
+  link += "?id=" + link_controls_[button];
+  web_contents_->OpenURL(OpenURLParams(GURL(link),
+                                       Referrer(),
+                                       NEW_FOREGROUND_TAB,
+                                       content::PAGE_TRANSITION_LINK,
+                                       false));
+  Close();
+}