[MediaGalleries] Add context menu for forgetting galleries. [views]

chrome/browser/ui/views/extensions/media_galleries_dialog_views.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/views/extensions/media_galleries_dialog_views.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/views/constrained_window_views.h"
 #include "components/web_modal/web_contents_modal_dialog_host.h"
 #include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "components/web_modal/web_contents_modal_dialog_manager_delegate.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "grit/generated_resources.h"
 #include "grit/locale_settings.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "ui/base/models/simple_menu_model.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/native_theme/native_theme.h"
 #include "ui/views/controls/button/checkbox.h"
 #include "ui/views/controls/button/label_button.h"
 #include "ui/views/controls/label.h"
+#include "ui/views/controls/menu/menu_runner.h"
 #include "ui/views/controls/scroll_view.h"
 #include "ui/views/controls/separator.h"
 #include "ui/views/layout/box_layout.h"
 #include "ui/views/layout/grid_layout.h"
 #include "ui/views/layout/layout_constants.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/window/dialog_client_view.h"
 
 using web_modal::WebContentsModalDialogManager;
@@ skipping 26 matching lines @@
     width = std::max(parent()->width(), width);
     height = std::max(parent()->height(), height);
   }
   SetBounds(x(), y(), width, height);
 
   views::View::Layout();
 }
 
 }  // namespace
 
+class GalleryContextMenuModel : public ui::SimpleMenuModel::Delegate {
+ public:
+  explicit GalleryContextMenuModel(MediaGalleriesDialogViews* view)
+      : view_(view), id_(kInvalidMediaGalleryPrefId) {}

[sky, 2013/10/24 19:23:22]

nit: when you wrap, each param gets its own line.

[Greg Billock, 2013/10/28 22:37:49]

OK. Was trying too hard to conserve space in this interface since I just need a
small sliver of it.

+  virtual ~GalleryContextMenuModel() {}
+
+  void set_media_gallery_pref_id(MediaGalleryPrefId id) {
+    id_ = id;
+  }
+
+  virtual bool IsCommandIdChecked(int command_id) const OVERRIDE {

[sky, 2013/10/24 19:23:22]

nit: prefix with something like:
// ui::SimpleMenuModel::Delegate overrides:

[Greg Billock, 2013/10/28 22:37:49]

Done.

+    return false;
+  }
+  virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE {
+    return true;
+  }
+  virtual bool IsCommandIdVisible(int command_id) const OVERRIDE {
+    return true;
+  }
+
+  virtual bool GetAcceleratorForCommandId(
+      int command_id, ui::Accelerator* accelerator) OVERRIDE {

[sky, 2013/10/24 19:23:22]

nit: again, when you wrap one param per line.

[Greg Billock, 2013/10/28 22:37:49]

Done.

+    return false;
+  }
+
+  virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE {
+    view_->DidForgetGallery(id_);
+  }
+
+ private:
+  MediaGalleriesDialogViews* view_;
+  MediaGalleryPrefId id_;
+};

[sky, 2013/10/24 19:23:22]

DISALLOW...

[Greg Billock, 2013/10/28 22:37:49]

Done.

+
 typedef MediaGalleriesDialogController::GalleryPermissionsVector
     GalleryPermissionsVector;
 
 MediaGalleriesDialogViews::MediaGalleriesDialogViews(
     MediaGalleriesDialogController* controller)
     : controller_(controller),
       window_(NULL),
       contents_(new views::View()),
       add_gallery_button_(NULL),
       confirm_available_(false),
       accepted_(false) {
   InitChildViews();
 
+  gallery_menu_model_ = new GalleryContextMenuModel(this);
+  ui::SimpleMenuModel* menu_model =
+      new ui::SimpleMenuModel(gallery_menu_model_);
+  menu_model->AddItem(1, controller->GetDeleteMenuCommand());
+  context_menu_model_.reset(menu_model);
+
   // Ownership of |contents_| is handed off by this call. |window_| will take
   // care of deleting itself after calling DeleteDelegate().
   WebContentsModalDialogManager* web_contents_modal_dialog_manager =
       WebContentsModalDialogManager::FromWebContents(
           controller->web_contents());
   DCHECK(web_contents_modal_dialog_manager);
   WebContentsModalDialogManagerDelegate* modal_delegate =
       web_contents_modal_dialog_manager->delegate();
   DCHECK(modal_delegate);
   window_ = views::Widget::CreateWindowAsFramelessChild(
@@ skipping 138 matching lines @@
     views::View* checkbox_view = checkbox->parent();
     DCHECK_EQ(2, checkbox_view->child_count());
     views::Label* secondary_text =
         static_cast<views::Label*>(checkbox_view->child_at(1));
     secondary_text->SetText(details);
     return false;
   }
 
   views::Checkbox* checkbox = new views::Checkbox(label);
   checkbox->set_listener(this);
+  if (gallery.pref_id != kInvalidMediaGalleryPrefId)
+    checkbox->set_context_menu_controller(this);
   checkbox->SetTooltipText(tooltip_text);
   views::Label* secondary_text = new views::Label(details);
+  if (gallery.pref_id != kInvalidMediaGalleryPrefId)
+    secondary_text->set_context_menu_controller(this);
   secondary_text->SetTooltipText(tooltip_text);
   secondary_text->SetEnabledColor(kDeemphasizedTextColor);
   secondary_text->SetTooltipText(tooltip_text);
   secondary_text->set_border(views::Border::CreateEmptyBorder(
       0,
       views::kRelatedControlSmallHorizontalSpacing,
       0,
       views::kRelatedControlSmallHorizontalSpacing));
 
   views::View* checkbox_view = new views::View();
+  if (gallery.pref_id != kInvalidMediaGalleryPrefId)
+    checkbox_view->set_context_menu_controller(this);
   checkbox_view->set_border(views::Border::CreateEmptyBorder(
       0,
       views::kPanelHorizMargin,
       trailing_vertical_space,
       0));
   checkbox_view->SetLayoutManager(
       new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 0));
   checkbox_view->AddChildView(checkbox);
   checkbox_view->AddChildView(secondary_text);
 
@@ skipping 98 matching lines @@
     }
   }
   for (NewCheckboxMap::const_iterator iter = new_checkbox_map_.begin();
        iter != new_checkbox_map_.end(); ++iter) {
     if (sender == iter->first) {
       controller_->DidToggleNewGallery(iter->second, iter->first->checked());
     }
   }
 }
 
+void MediaGalleriesDialogViews::ShowContextMenuForView(
+    views::View* source,
+    const gfx::Point& point,
+    ui::MenuSourceType source_type) {
+  views::Checkbox* checkbox = NULL;
+  if (source->GetClassName() == views::Checkbox::kViewClassName) {

[sky, 2013/10/24 19:23:22]

The class name is best thought of as an internal implementation detail, mostly
used for debugging. OTOH the id is indented for your usage. Use the id instead.

[Greg Billock, 2013/10/28 22:37:49]

OK. Found a much better plan for this.

+    checkbox = static_cast<views::Checkbox*>(source);
+  } else {
+    views::View* checkbox_container_view = NULL;
+    if (source->child_count() == 2) {
+      checkbox_container_view = source;
+    } else {
+      checkbox_container_view = source->parent();
+    }
+    if (!checkbox_container_view)

[sky, 2013/10/24 19:23:22]

How can this ever be true?

[Greg Billock, 2013/10/28 22:37:49]

line 299. (At least, I'm trying to set the context menu on the whole line/row --
it seems to get triggered in practice, which is what I want. Should I not want
that?)

Found a much-improved way to say this in views-anese now.

[sky, 2013/10/29 01:19:50]

The part I was confused on is you assign checkbox_container_view_ on 428 (to
source) and 430 (to source->parent). I don't see how either of those could ever
be NULL, hence not understanding the if.

[Greg Billock, 2013/10/29 17:05:28]

ok. I found a much better solution for this with Contains(), so this nastiness
went away.

+      return;
+    checkbox = static_cast<views::Checkbox*>(
+        checkbox_container_view->child_at(0));

[sky, 2013/10/24 19:23:22]

This seems rather fragile. Could you instead add members for the views you care
about?

[Greg Billock, 2013/10/28 22:37:49]

no longer used

+  }
+
+  for (CheckboxMap::const_iterator iter = checkbox_map_.begin();
+       iter != checkbox_map_.end(); ++iter) {
+    if (checkbox == iter->second) {
+      ShowContextMenu(point, source_type, iter->first);

[sky, 2013/10/24 19:23:22]

return after this?

[Greg Billock, 2013/10/28 22:37:49]

Done.

+    }
+  }
+}
+
+void MediaGalleriesDialogViews::ShowContextMenu(const gfx::Point& point,
+                                                ui::MenuSourceType source_type,
+                                                MediaGalleryPrefId id) {
+  gallery_menu_model_->set_media_gallery_pref_id(id);
+
+  context_menu_runner_.reset(new views::MenuRunner(context_menu_model_.get()));
+  if (context_menu_runner_->RunMenuAt(
+          GetWidget(), NULL, gfx::Rect(point.x(), point.y(), 0, 0),
+          views::MenuItemView::TOPLEFT, source_type,
+          views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU) ==
+      views::MenuRunner::MENU_DELETED) {
+    return;
+  }
+}
+
+void MediaGalleriesDialogViews::DidForgetGallery(MediaGalleryPrefId id) {
+  if (id == kInvalidMediaGalleryPrefId)
+    return;
+
+  controller_->DidForgetGallery(id);
+
+  gallery_menu_model_->set_media_gallery_pref_id(kInvalidMediaGalleryPrefId);
+}
+
 // MediaGalleriesDialogViewsController -----------------------------------------
 
 // static
 MediaGalleriesDialog* MediaGalleriesDialog::Create(
     MediaGalleriesDialogController* controller) {
   return new MediaGalleriesDialogViews(controller);
 }