API proposal for chrome.app.window to intercept all keys.

ui/views/widget/desktop_aura/desktop_window_tree_host_win.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 "ui/views/widget/desktop_aura/desktop_window_tree_host_win.h"
 
 #include "base/win/metro.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/aura_constants.h"
@@ skipping 10 matching lines @@
 #include "ui/gfx/path.h"
 #include "ui/gfx/path_win.h"
 #include "ui/gfx/vector2d.h"
 #include "ui/gfx/win/dpi.h"
 #include "ui/native_theme/native_theme_aura.h"
 #include "ui/native_theme/native_theme_win.h"
 #include "ui/views/corewm/tooltip_win.h"
 #include "ui/views/ime/input_method_bridge.h"
 #include "ui/views/widget/desktop_aura/desktop_cursor_loader_updater.h"
 #include "ui/views/widget/desktop_aura/desktop_drag_drop_client_win.h"
+#include "ui/views/widget/desktop_aura/desktop_keyboard_capture_win.h"
 #include "ui/views/widget/desktop_aura/desktop_native_cursor_manager.h"
 #include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
 #include "ui/views/widget/root_view.h"
 #include "ui/views/widget/widget_delegate.h"
 #include "ui/views/widget/widget_hwnd_utils.h"
 #include "ui/views/win/fullscreen_handler.h"
 #include "ui/views/win/hwnd_message_handler.h"
 #include "ui/wm/core/compound_event_filter.h"
 #include "ui/wm/core/input_method_event_filter.h"
 #include "ui/wm/core/window_animations.h"
@@ skipping 280 matching lines @@
 }
 
 bool DesktopWindowTreeHostWin::HasCapture() const {
   return message_handler_->HasCapture();
 }
 
 void DesktopWindowTreeHostWin::SetAlwaysOnTop(bool always_on_top) {
   message_handler_->SetAlwaysOnTop(always_on_top);
 }
 
+void DesktopWindowTreeHostWin::SetInterceptAllKeys(bool want_all_keys) {
+  if ((keyboard_capture_.get() == NULL) && want_all_keys) {
+    keyboard_capture_.reset(new DesktopKeyboardCaptureWin(GetHWND()));
+  } else if (!want_all_keys) {
+    keyboard_capture_.reset(NULL);
+  }
+}
+
 bool DesktopWindowTreeHostWin::IsAlwaysOnTop() const {
   return message_handler_->IsAlwaysOnTop();
 }
 
 void DesktopWindowTreeHostWin::SetVisibleOnAllWorkspaces(bool always_visible) {
   // Windows does not have the concept of workspaces.
 }
 
 bool DesktopWindowTreeHostWin::SetWindowTitle(const base::string16& title) {
   return message_handler_->SetTitle(title);
@@ skipping 605 matching lines @@
 
 // static
 DesktopWindowTreeHost* DesktopWindowTreeHost::Create(
     internal::NativeWidgetDelegate* native_widget_delegate,
     DesktopNativeWidgetAura* desktop_native_widget_aura) {
   return new DesktopWindowTreeHostWin(native_widget_delegate,
                                       desktop_native_widget_aura);
 }
 
 }  // namespace views