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1 // Copyright 2013 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 "mojo/services/native_viewport/platform_viewport.h" | |
6 | |
7 #include "base/command_line.h" | |
8 #include "base/message_loop/message_loop.h" | |
9 #include "mojo/converters/input_events/mojo_extended_key_event_data.h" | |
10 #include "ui/events/event.h" | |
11 #include "ui/events/event_utils.h" | |
12 #include "ui/events/platform/platform_event_dispatcher.h" | |
13 #include "ui/events/platform/platform_event_source.h" | |
14 #include "ui/gfx/rect.h" | |
15 #include "ui/platform_window/platform_window.h" | |
16 #include "ui/platform_window/platform_window_delegate.h" | |
17 #include "ui/platform_window/x11/x11_window.h" | |
18 | |
19 namespace mojo { | |
20 | |
21 class PlatformViewportX11 : public PlatformViewport, | |
22 public ui::PlatformWindowDelegate { | |
23 public: | |
24 explicit PlatformViewportX11(Delegate* delegate) : delegate_(delegate) { | |
25 } | |
26 | |
27 ~PlatformViewportX11() override { | |
28 // Destroy the platform-window while |this| is still alive. | |
29 platform_window_.reset(); | |
30 } | |
31 | |
32 private: | |
33 // Overridden from PlatformViewport: | |
34 void Init(const gfx::Rect& bounds) override { | |
35 CHECK(!event_source_); | |
36 CHECK(!platform_window_); | |
37 | |
38 event_source_ = ui::PlatformEventSource::CreateDefault(); | |
39 | |
40 platform_window_.reset(new ui::X11Window(this)); | |
41 platform_window_->SetBounds(bounds); | |
42 } | |
43 | |
44 void Show() override { platform_window_->Show(); } | |
45 | |
46 void Hide() override { platform_window_->Hide(); } | |
47 | |
48 void Close() override { platform_window_->Close(); } | |
49 | |
50 gfx::Size GetSize() override { return bounds_.size(); } | |
51 | |
52 void SetBounds(const gfx::Rect& bounds) override { | |
53 platform_window_->SetBounds(bounds); | |
54 } | |
55 | |
56 void SetCapture() override { platform_window_->SetCapture(); } | |
57 | |
58 void ReleaseCapture() override { platform_window_->ReleaseCapture(); } | |
59 | |
60 // ui::PlatformWindowDelegate: | |
61 void OnBoundsChanged(const gfx::Rect& new_bounds) override { | |
62 bounds_ = new_bounds; | |
63 delegate_->OnBoundsChanged(new_bounds); | |
64 } | |
65 | |
66 void OnDamageRect(const gfx::Rect& damaged_region) override {} | |
67 | |
68 void DispatchEvent(ui::Event* event) override { | |
69 delegate_->OnEvent(event); | |
70 | |
71 // We want to emulate the WM_CHAR generation behaviour of Windows. | |
72 // | |
73 // On Linux, we've previously inserted characters by having | |
74 // InputMethodAuraLinux take all key down events and send a character event | |
75 // to the TextInputClient. This causes a mismatch in code that has to be | |
76 // shared between Windows and Linux, including blink code. Now that we're | |
77 // trying to have one way of doing things, we need to standardize on and | |
78 // emulate Windows character events. | |
79 // | |
80 // This is equivalent to what we're doing in the current Linux port, but | |
81 // done once instead of done multiple times in different places. | |
82 if (event->type() == ui::ET_KEY_PRESSED) { | |
83 ui::KeyEvent* key_press_event = static_cast<ui::KeyEvent*>(event); | |
84 ui::KeyEvent char_event(key_press_event->GetCharacter(), | |
85 key_press_event->key_code(), | |
86 key_press_event->flags()); | |
87 | |
88 DCHECK_EQ(key_press_event->GetCharacter(), char_event.GetCharacter()); | |
89 DCHECK_EQ(key_press_event->key_code(), char_event.key_code()); | |
90 DCHECK_EQ(key_press_event->flags(), char_event.flags()); | |
91 | |
92 char_event.SetExtendedKeyEventData(scoped_ptr<ui::ExtendedKeyEventData>( | |
93 new MojoExtendedKeyEventData( | |
94 key_press_event->GetLocatedWindowsKeyboardCode(), | |
95 key_press_event->GetText(), | |
96 key_press_event->GetUnmodifiedText()))); | |
97 char_event.set_platform_keycode(key_press_event->platform_keycode()); | |
98 | |
99 delegate_->OnEvent(&char_event); | |
100 } | |
101 } | |
102 | |
103 void OnCloseRequest() override { platform_window_->Close(); } | |
104 | |
105 void OnClosed() override { delegate_->OnDestroyed(); } | |
106 | |
107 void OnWindowStateChanged(ui::PlatformWindowState state) override {} | |
108 | |
109 void OnLostCapture() override {} | |
110 | |
111 void OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget) override { | |
112 delegate_->OnAcceleratedWidgetAvailable(widget); | |
113 } | |
114 | |
115 void OnActivationChanged(bool active) override {} | |
116 | |
117 scoped_ptr<ui::PlatformEventSource> event_source_; | |
118 scoped_ptr<ui::PlatformWindow> platform_window_; | |
119 Delegate* delegate_; | |
120 gfx::Rect bounds_; | |
121 | |
122 DISALLOW_COPY_AND_ASSIGN(PlatformViewportX11); | |
123 }; | |
124 | |
125 // static | |
126 scoped_ptr<PlatformViewport> PlatformViewport::Create(Delegate* delegate) { | |
127 return scoped_ptr<PlatformViewport>(new PlatformViewportX11(delegate)).Pass(); | |
128 } | |
129 | |
130 } // namespace mojo | |
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