1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
// 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/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;
}
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.
|
