| // 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 <objbase.h> |
| |
| #include "base/win/windows_version.h" |
| |
| namespace gfx { |
| namespace win { |
| |
| // static |
| std::unique_ptr<DirectManipulationHelper> |
| DirectManipulationHelper::CreateInstance() { |
| // TODO(dtapuska): Do not create a DirectManipulationHelper on any windows |
| // versions as it only causes issues. High Precision Touchpad events seem to |
| // always be sent to apps with recent Windows 10 versions. This class should |
| // eventually be removed. See crbug.com/647038. |
| return nullptr; |
| } |
| |
| DirectManipulationHelper::DirectManipulationHelper() {} |
| |
| DirectManipulationHelper::~DirectManipulationHelper() { |
| if (view_port_outer_) |
| view_port_outer_->Abandon(); |
| } |
| |
| 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 = |
| ::CoCreateInstance(CLSID_DirectManipulationManager, nullptr, |
| CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&manager_)); |
| CHECK(SUCCEEDED(hr)); |
| |
| hr = ::CoCreateInstance(CLSID_DCompManipulationCompositor, nullptr, |
| CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&compositor_)); |
| CHECK(SUCCEEDED(hr)); |
| |
| hr = manager_->GetUpdateManager(IID_PPV_ARGS(update_manager_.GetAddressOf())); |
| CHECK(SUCCEEDED(hr)); |
| |
| hr = compositor_->SetUpdateManager(update_manager_.Get()); |
| CHECK(SUCCEEDED(hr)); |
| |
| hr = compositor_.CopyTo(frame_info_.GetAddressOf()); |
| CHECK(SUCCEEDED(hr)); |
| |
| hr = manager_->CreateViewport(frame_info_.Get(), window, |
| IID_PPV_ARGS(view_port_outer_.GetAddressOf())); |
| 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.GetAddressOf())); |
| CHECK(SUCCEEDED(hr)); |
| |
| base::win::ScopedComPtr<IDirectManipulationContent> content_outer; |
| hr = primary_content_outer.CopyTo(content_outer.GetAddressOf()); |
| 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. |