src/chrome/browser/ui/views/extensions/extension_keybinding_registry_views.cc

   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 #include "chrome/browser/ui/views/extensions/extension_keybinding_registry_views.h"
   6
   7 #include "chrome/browser/extensions/api/commands/command_service.h"
   8 #include "chrome/browser/extensions/extension_keybinding_registry.h"
   9 #include "chrome/browser/extensions/extension_service.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "extensions/common/extension.h"
  12 #include "ui/views/focus/focus_manager.h"
  13
  14 // static
  15 void extensions::ExtensionKeybindingRegistry::SetShortcutHandlingSuspended(
  16     bool suspended) {
  17   views::FocusManager::set_shortcut_handling_suspended(suspended);
  18 }
  19
  20 ExtensionKeybindingRegistryViews::ExtensionKeybindingRegistryViews(
  21     Profile* profile,
  22     views::FocusManager* focus_manager,
  23     ExtensionFilter extension_filter,
  24     Delegate* delegate)
  25     : ExtensionKeybindingRegistry(profile, extension_filter, delegate),
  26       profile_(profile),
  27       focus_manager_(focus_manager) {
  28   Init();
  29 }
  30
  31 ExtensionKeybindingRegistryViews::~ExtensionKeybindingRegistryViews() {
  32   for (EventTargets::const_iterator iter = event_targets_.begin();
  33        iter != event_targets_.end(); ++iter)
  34     focus_manager_->UnregisterAccelerator(iter->first, this);
  35 }
  36
  37 void ExtensionKeybindingRegistryViews::AddExtensionKeybinding(
  38     const extensions::Extension* extension,
  39     const std::string& command_name) {
  40   // This object only handles named commands, not browser/page actions.
  41   if (ShouldIgnoreCommand(command_name))
  42     return;
  43
  44   extensions::CommandService* command_service =
  45       extensions::CommandService::Get(profile_);
  46   // Add all the active keybindings (except page actions and browser actions,
  47   // which are handled elsewhere).
  48   extensions::CommandMap commands;
  49   if (!command_service->GetNamedCommands(
  50           extension->id(),
  51           extensions::CommandService::ACTIVE_ONLY,
  52           extensions::CommandService::REGULAR,
  53           &commands))
  54     return;
  55   extensions::CommandMap::const_iterator iter = commands.begin();
  56   for (; iter != commands.end(); ++iter) {
  57     if (!command_name.empty() && (iter->second.command_name() != command_name))
  58       continue;
  59
  60     event_targets_[iter->second.accelerator()].push_back(
  61         std::make_pair(extension->id(), iter->second.command_name()));
  62     // Shortcuts except media keys have only one target in the list. See comment
  63     // about |event_targets_|.
  64     if (!extensions::CommandService::IsMediaKey(iter->second.accelerator()))
  65       DCHECK_EQ(1u, event_targets_[iter->second.accelerator()].size());
  66     if (event_targets_[iter->second.accelerator()].size() > 1)
  67       continue;   // It is already registered with the focus manager.
  68
  69     focus_manager_->RegisterAccelerator(
  70         iter->second.accelerator(),
  71         ui::AcceleratorManager::kHighPriority, this);
  72   }
  73 }
  74
  75 void ExtensionKeybindingRegistryViews::RemoveExtensionKeybindingImpl(
  76     const ui::Accelerator& accelerator,
  77     const std::string& command_name) {
  78   focus_manager_->UnregisterAccelerator(accelerator, this);
  79 }
  80
  81 bool ExtensionKeybindingRegistryViews::AcceleratorPressed(
  82     const ui::Accelerator& accelerator) {
  83   return ExtensionKeybindingRegistry::NotifyEventTargets(accelerator);
  84 }
  85
  86 bool ExtensionKeybindingRegistryViews::CanHandleAccelerators() const {
  87   return true;
  88 }