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1 // Copyright 2015 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 "ui/gfx/win/direct_manipulation.h" | |
6 | |
7 #include "base/basictypes.h" | |
8 #include "base/win/windows_version.h" | |
9 | |
10 namespace gfx { | |
11 namespace win { | |
12 | |
13 // static | |
14 DirectManipulationHelper* DirectManipulationHelper::CreateInstance() { | |
15 if (base::win::GetVersion() >= base::win::VERSION_WIN10) | |
16 return new DirectManipulationHelper; | |
17 return NULL; | |
sky
2015/08/11 23:45:02
nullptr
ananta
2015/08/12 00:41:58
Not needed anymore with the function returning a s
| |
18 } | |
19 | |
20 void DirectManipulationHelper::Initialize(HWND window) { | |
21 DCHECK(::IsWindow(window)); | |
22 | |
23 // TODO(ananta) | |
24 // Remove the CHECK statements here and below and replace them with logs | |
25 // when this code stabilizes. | |
26 HRESULT hr = manager_.CreateInstance(CLSID_DirectManipulationManager, | |
27 nullptr, CLSCTX_INPROC_SERVER); | |
28 CHECK(SUCCEEDED(hr)); | |
29 | |
30 hr = compositor_.CreateInstance(CLSID_DCompManipulationCompositor, | |
31 nullptr, CLSCTX_INPROC_SERVER); | |
32 CHECK(SUCCEEDED(hr)); | |
33 | |
34 hr = manager_->GetUpdateManager(IID_PPV_ARGS(update_manager_.Receive())); | |
35 CHECK(SUCCEEDED(hr)); | |
36 | |
37 hr = compositor_->SetUpdateManager(update_manager_.get()); | |
38 CHECK(SUCCEEDED(hr)); | |
39 | |
40 hr = frame_info_.QueryFrom(compositor_.get()); | |
41 CHECK(SUCCEEDED(hr)); | |
42 | |
43 hr = manager_->CreateViewport(frame_info_.get(), window, | |
44 IID_PPV_ARGS(view_port_outer_.Receive())); | |
45 CHECK(SUCCEEDED(hr)); | |
46 | |
47 // | |
48 // Enable the desired configuration for each viewport. | |
49 // | |
50 DIRECTMANIPULATION_CONFIGURATION configuration = | |
51 DIRECTMANIPULATION_CONFIGURATION_INTERACTION | |
52 | DIRECTMANIPULATION_CONFIGURATION_TRANSLATION_X | |
53 | DIRECTMANIPULATION_CONFIGURATION_TRANSLATION_Y | |
54 | DIRECTMANIPULATION_CONFIGURATION_TRANSLATION_INERTIA | |
55 | DIRECTMANIPULATION_CONFIGURATION_RAILS_X | |
56 | DIRECTMANIPULATION_CONFIGURATION_RAILS_Y | |
57 | DIRECTMANIPULATION_CONFIGURATION_SCALING | |
58 | DIRECTMANIPULATION_CONFIGURATION_SCALING_INERTIA; | |
59 | |
60 hr = view_port_outer_->ActivateConfiguration(configuration); | |
61 CHECK(SUCCEEDED(hr)); | |
62 } | |
63 | |
64 void DirectManipulationHelper::SetBounds(const gfx::Rect& bounds) { | |
65 base::win::ScopedComPtr<IDirectManipulationPrimaryContent> | |
66 primary_content_outer; | |
67 HRESULT hr = view_port_outer_->GetPrimaryContent( | |
68 IID_PPV_ARGS(primary_content_outer.Receive())); | |
69 CHECK(SUCCEEDED(hr)); | |
70 | |
71 base::win::ScopedComPtr<IDirectManipulationContent> content_outer; | |
72 hr = content_outer.QueryFrom(primary_content_outer.get()); | |
73 CHECK(SUCCEEDED(hr)); | |
74 | |
75 RECT rect = bounds.ToRECT(); | |
76 | |
77 hr = view_port_outer_->SetViewportRect(&rect); | |
78 CHECK(SUCCEEDED(hr)); | |
79 | |
80 hr = content_outer->SetContentRect(&rect); | |
81 CHECK(SUCCEEDED(hr)); | |
82 } | |
83 | |
84 void DirectManipulationHelper::Activate(HWND window) { | |
85 DCHECK(::IsWindow(window)); | |
86 HRESULT hr = manager_->Activate(window); | |
87 CHECK(SUCCEEDED(hr)); | |
88 } | |
89 | |
90 void DirectManipulationHelper:: HandleMouseWheel(HWND window, UINT message, | |
91 WPARAM w_param, LPARAM l_param) { | |
92 MSG msg = { window, message, w_param, l_param}; | |
93 | |
94 HRESULT hr = view_port_outer_->SetContact(DIRECTMANIPULATION_MOUSEFOCUS); | |
95 if (SUCCEEDED(hr)) { | |
96 BOOL handled = FALSE; | |
97 manager_->ProcessInput(&msg, &handled); | |
98 view_port_outer_->ReleaseContact(DIRECTMANIPULATION_MOUSEFOCUS); | |
99 } | |
100 } | |
101 | |
102 } // namespace win. | |
103 } // namespace gfx. | |
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