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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 //
      5 // Currently this file is only used for the uninstall prompt. The install prompt
      6 // code is in extension_install_prompt2_gtk.cc.
      7 
      8 #include "chrome/browser/extensions/extension_uninstall_dialog.h"
      9 
     10 #include <gtk/gtk.h>
     11 
     12 #include "base/strings/string_util.h"
     13 #include "base/strings/utf_string_conversions.h"
     14 #include "chrome/browser/ui/browser.h"
     15 #include "chrome/browser/ui/browser_window.h"
     16 #include "chrome/browser/ui/gtk/browser_window_gtk.h"
     17 #include "chrome/common/extensions/extension.h"
     18 #include "grit/generated_resources.h"
     19 #include "ui/base/gtk/gtk_hig_constants.h"
     20 #include "ui/base/l10n/l10n_util.h"
     21 #include "ui/gfx/gtk_util.h"
     22 
     23 namespace {
     24 
     25 // Left or right margin.
     26 const int kPanelHorizMargin = 13;
     27 
     28 // GTK implementation of the uninstall dialog.
     29 class ExtensionUninstallDialogGtk : public ExtensionUninstallDialog {
     30  public:
     31   ExtensionUninstallDialogGtk(Profile* profile,
     32                               Browser* browser,
     33                               Delegate* delegate);
     34   virtual ~ExtensionUninstallDialogGtk() OVERRIDE;
     35 
     36  private:
     37   virtual void Show() OVERRIDE;
     38 
     39   CHROMEGTK_CALLBACK_1(ExtensionUninstallDialogGtk, void, OnResponse, int);
     40 
     41   GtkWidget* dialog_;
     42 };
     43 
     44 ExtensionUninstallDialogGtk::ExtensionUninstallDialogGtk(
     45     Profile* profile,
     46     Browser* browser,
     47     ExtensionUninstallDialog::Delegate* delegate)
     48     : ExtensionUninstallDialog(profile, browser, delegate),
     49       dialog_(NULL) {}
     50 
     51 void ExtensionUninstallDialogGtk::Show() {
     52   if (!browser_) {
     53     delegate_->ExtensionUninstallCanceled();
     54     return;
     55   }
     56   BrowserWindow* browser_window = browser_->window();
     57   if (!browser_window) {
     58     delegate_->ExtensionUninstallCanceled();
     59     return;
     60   }
     61 
     62   // Build the dialog.
     63   dialog_ = gtk_dialog_new_with_buttons(
     64       l10n_util::GetStringUTF8(IDS_EXTENSION_UNINSTALL_PROMPT_TITLE).c_str(),
     65       browser_window->GetNativeWindow(),
     66       GTK_DIALOG_MODAL,
     67       GTK_STOCK_CANCEL,
     68       GTK_RESPONSE_CLOSE,
     69       l10n_util::GetStringUTF8(IDS_EXTENSION_PROMPT_UNINSTALL_BUTTON).c_str(),
     70       GTK_RESPONSE_ACCEPT,
     71       NULL);
     72 #if !GTK_CHECK_VERSION(2, 22, 0)
     73   gtk_dialog_set_has_separator(GTK_DIALOG(dialog_), FALSE);
     74 #endif
     75 
     76   // Create a two column layout.
     77   GtkWidget* content_area = gtk_dialog_get_content_area(GTK_DIALOG(dialog_));
     78   gtk_box_set_spacing(GTK_BOX(content_area), ui::kContentAreaSpacing);
     79 
     80   GtkWidget* icon_hbox = gtk_hbox_new(FALSE, ui::kContentAreaSpacing);
     81   gtk_box_pack_start(GTK_BOX(content_area), icon_hbox, TRUE, TRUE, 0);
     82 
     83   // Put Icon in the left column.
     84   GdkPixbuf* pixbuf = gfx::GdkPixbufFromSkBitmap(*icon_.bitmap());
     85   GtkWidget* icon = gtk_image_new_from_pixbuf(pixbuf);
     86   g_object_unref(pixbuf);
     87   gtk_box_pack_start(GTK_BOX(icon_hbox), icon, TRUE, TRUE, 0);
     88 
     89   // Create a new vbox for the right column.
     90   GtkWidget* right_column_area = gtk_vbox_new(FALSE, 0);
     91   gtk_box_pack_start(GTK_BOX(icon_hbox), right_column_area, TRUE, TRUE, 0);
     92 
     93   std::string heading_text = l10n_util::GetStringFUTF8(
     94       IDS_EXTENSION_UNINSTALL_PROMPT_HEADING, UTF8ToUTF16(extension_->name()));
     95   GtkWidget* heading_label = gtk_label_new(heading_text.c_str());
     96   gtk_misc_set_alignment(GTK_MISC(heading_label), 0.0, 0.5);
     97   gtk_box_pack_start(GTK_BOX(right_column_area), heading_label, TRUE, TRUE, 0);
     98 
     99   g_signal_connect(dialog_, "response", G_CALLBACK(OnResponseThunk), this);
    100   gtk_window_set_resizable(GTK_WINDOW(dialog_), FALSE);
    101   gtk_widget_show_all(dialog_);
    102 }
    103 
    104 ExtensionUninstallDialogGtk::~ExtensionUninstallDialogGtk() {
    105   delegate_ = NULL;
    106   if (dialog_) {
    107     gtk_widget_destroy(dialog_);
    108     dialog_ = NULL;
    109   }
    110 }
    111 
    112 void ExtensionUninstallDialogGtk::OnResponse(
    113     GtkWidget* dialog, int response_id) {
    114   CHECK_EQ(dialog_, dialog);
    115 
    116   gtk_widget_destroy(dialog_);
    117   dialog_ = NULL;
    118 
    119   if (delegate_) {
    120     if (response_id == GTK_RESPONSE_ACCEPT)
    121       delegate_->ExtensionUninstallAccepted();
    122     else
    123       delegate_->ExtensionUninstallCanceled();
    124   }
    125 }
    126 
    127 }  // namespace
    128 
    129 // static
    130 // Platform specific implementation of the uninstall dialog show method.
    131 ExtensionUninstallDialog* ExtensionUninstallDialog::Create(
    132     Profile* profile, Browser* browser, Delegate* delegate) {
    133   return new ExtensionUninstallDialogGtk(profile, browser, delegate);
    134 }
    135