| // Copyright 2015 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/gfx/win/direct_manipulation.h" |
| |
| #include "base/basictypes.h" |
| #include "base/win/windows_version.h" |
| |
| namespace gfx { |
| namespace win { |
| |
| // static |
| scoped_ptr<DirectManipulationHelper> |
| DirectManipulationHelper::CreateInstance() { |
| scoped_ptr<DirectManipulationHelper> instance; |
| |
| if (base::win::GetVersion() >= base::win::VERSION_WIN10) |
| instance.reset(new DirectManipulationHelper); |
| |
| return instance.Pass(); |
| } |
| |
| DirectManipulationHelper::DirectManipulationHelper() {} |
| |
| DirectManipulationHelper::~DirectManipulationHelper() {} |
| |
| void DirectManipulationHelper::Initialize(HWND window) { |
| DCHECK(::IsWindow(window)); |
| |
| // TODO(ananta) |
| // Remove the CHECK statements here and below and replace them with logs |
| // when this code stabilizes. |
| HRESULT hr = manager_.CreateInstance(CLSID_DirectManipulationManager, |
| nullptr, CLSCTX_INPROC_SERVER); |
| CHECK(SUCCEEDED(hr)); |
| |
| hr = compositor_.CreateInstance(CLSID_DCompManipulationCompositor, |
| nullptr, CLSCTX_INPROC_SERVER); |
| CHECK(SUCCEEDED(hr)); |
| |
| hr = manager_->GetUpdateManager(IID_PPV_ARGS(update_manager_.Receive())); |
| CHECK(SUCCEEDED(hr)); |
| |
| hr = compositor_->SetUpdateManager(update_manager_.get()); |
| CHECK(SUCCEEDED(hr)); |
| |
| hr = frame_info_.QueryFrom(compositor_.get()); |
| CHECK(SUCCEEDED(hr)); |
| |
| hr = manager_->CreateViewport(frame_info_.get(), window, |
| IID_PPV_ARGS(view_port_outer_.Receive())); |
| CHECK(SUCCEEDED(hr)); |
| |
| // |
| // Enable the desired configuration for each viewport. |
| // |
| DIRECTMANIPULATION_CONFIGURATION configuration = |
| DIRECTMANIPULATION_CONFIGURATION_INTERACTION |
| | DIRECTMANIPULATION_CONFIGURATION_TRANSLATION_X |
| | DIRECTMANIPULATION_CONFIGURATION_TRANSLATION_Y |
| | DIRECTMANIPULATION_CONFIGURATION_TRANSLATION_INERTIA |
| | DIRECTMANIPULATION_CONFIGURATION_RAILS_X |
| | DIRECTMANIPULATION_CONFIGURATION_RAILS_Y |
| | DIRECTMANIPULATION_CONFIGURATION_SCALING |
| | DIRECTMANIPULATION_CONFIGURATION_SCALING_INERTIA; |
| |
| hr = view_port_outer_->ActivateConfiguration(configuration); |
| CHECK(SUCCEEDED(hr)); |
| } |
| |
| void DirectManipulationHelper::SetBounds(const gfx::Rect& bounds) { |
| base::win::ScopedComPtr<IDirectManipulationPrimaryContent> |
| primary_content_outer; |
| HRESULT hr = view_port_outer_->GetPrimaryContent( |
| IID_PPV_ARGS(primary_content_outer.Receive())); |
| CHECK(SUCCEEDED(hr)); |
| |
| base::win::ScopedComPtr<IDirectManipulationContent> content_outer; |
| hr = content_outer.QueryFrom(primary_content_outer.get()); |
| CHECK(SUCCEEDED(hr)); |
| |
| RECT rect = bounds.ToRECT(); |
| |
| hr = view_port_outer_->SetViewportRect(&rect); |
| CHECK(SUCCEEDED(hr)); |
| |
| hr = content_outer->SetContentRect(&rect); |
| CHECK(SUCCEEDED(hr)); |
| } |
| |
| void DirectManipulationHelper::Activate(HWND window) { |
| DCHECK(::IsWindow(window)); |
| manager_->Activate(window); |
| } |
| |
| void DirectManipulationHelper::Deactivate(HWND window) { |
| DCHECK(::IsWindow(window)); |
| manager_->Deactivate(window); |
| } |
| |
| void DirectManipulationHelper:: HandleMouseWheel(HWND window, UINT message, |
| WPARAM w_param, LPARAM l_param) { |
| MSG msg = { window, message, w_param, l_param}; |
| |
| HRESULT hr = view_port_outer_->SetContact(DIRECTMANIPULATION_MOUSEFOCUS); |
| if (SUCCEEDED(hr)) { |
| BOOL handled = FALSE; |
| manager_->ProcessInput(&msg, &handled); |
| view_port_outer_->ReleaseContact(DIRECTMANIPULATION_MOUSEFOCUS); |
| } |
| } |
| |
| } // namespace win. |
| } // namespace gfx. |