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| 1 // Copyright (c) 2012 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/views/widget/x11_desktop_handler.h" | |
| 6 | |
| 7 #include "base/message_loop.h" | |
| 8 #include "ui/aura/env.h" | |
| 9 #include "ui/aura/focus_manager.h" | |
| 10 #include "ui/aura/root_window.h" | |
| 11 #include "ui/base/x/x11_util.h" | |
| 12 #include "ui/views/widget/desktop_aura/desktop_activation_client.h" | |
| 13 | |
| 14 #if !defined(OS_CHROMEOS) | |
| 15 #include "ui/views/ime/input_method.h" | |
| 16 #include "ui/views/widget/desktop_root_window_host_linux.h" | |
| 17 #endif | |
| 18 | |
| 19 namespace { | |
| 20 | |
| 21 const char* kAtomsToCache[] = { | |
| 22 "_NET_ACTIVE_WINDOW", | |
| 23 NULL | |
| 24 }; | |
| 25 | |
| 26 // Our global instance. Deleted when our Env() is deleted. | |
| 27 views::X11DesktopHandler* g_handler = NULL; | |
| 28 | |
| 29 } // namespace | |
| 30 | |
| 31 namespace views { | |
| 32 | |
| 33 // static | |
| 34 X11DesktopHandler* X11DesktopHandler::get() { | |
| 35 if (!g_handler) | |
| 36 g_handler = new X11DesktopHandler; | |
| 37 | |
| 38 return g_handler; | |
| 39 } | |
| 40 | |
| 41 X11DesktopHandler::X11DesktopHandler() | |
| 42 : xdisplay_(base::MessagePumpAuraX11::GetDefaultXDisplay()), | |
| 43 x_root_window_(DefaultRootWindow(xdisplay_)), | |
| 44 current_window_(None), | |
| 45 atom_cache_(xdisplay_, kAtomsToCache) { | |
| 46 base::MessagePumpAuraX11::Current()->AddDispatcherForRootWindow(this); | |
| 47 aura::Env::GetInstance()->AddObserver(this); | |
| 48 | |
| 49 XWindowAttributes attr; | |
| 50 XGetWindowAttributes(xdisplay_, x_root_window_, &attr); | |
| 51 XSelectInput(xdisplay_, x_root_window_, | |
| 52 attr.your_event_mask | PropertyChangeMask | | |
| 53 StructureNotifyMask | SubstructureNotifyMask); | |
| 54 } | |
| 55 | |
| 56 X11DesktopHandler::~X11DesktopHandler() { | |
| 57 aura::Env::GetInstance()->RemoveObserver(this); | |
| 58 base::MessagePumpAuraX11::Current()->RemoveDispatcherForRootWindow(this); | |
| 59 } | |
| 60 | |
| 61 void X11DesktopHandler::ActivateWindow(::Window window) { | |
| 62 XEvent xclient; | |
| 63 memset(&xclient, 0, sizeof(xclient)); | |
| 64 xclient.type = ClientMessage; | |
| 65 xclient.xclient.window = window; | |
| 66 xclient.xclient.message_type = atom_cache_.GetAtom("_NET_ACTIVE_WINDOW"); | |
| 67 xclient.xclient.format = 32; | |
| 68 xclient.xclient.data.l[0] = 1; // Specified we are an app. | |
| 69 xclient.xclient.data.l[1] = CurrentTime; | |
| 70 xclient.xclient.data.l[2] = None; | |
| 71 xclient.xclient.data.l[3] = 0; | |
| 72 xclient.xclient.data.l[4] = 0; | |
| 73 | |
| 74 XSendEvent(xdisplay_, x_root_window_, False, | |
| 75 SubstructureRedirectMask | SubstructureNotifyMask, | |
| 76 &xclient); | |
| 77 } | |
| 78 | |
| 79 bool X11DesktopHandler::IsActiveWindow(::Window window) const { | |
| 80 return window == current_window_; | |
| 81 } | |
| 82 | |
| 83 bool X11DesktopHandler::Dispatch(const base::NativeEvent& event) { | |
| 84 // Check for a change to the active window. | |
| 85 switch (event->type) { | |
| 86 case PropertyNotify: { | |
| 87 ::Atom active_window = atom_cache_.GetAtom("_NET_ACTIVE_WINDOW"); | |
| 88 | |
| 89 if (event->xproperty.window == x_root_window_ && | |
| 90 event->xproperty.atom == active_window) { | |
| 91 int window; | |
| 92 if (ui::GetIntProperty(x_root_window_, "_NET_ACTIVE_WINDOW", &window) && | |
| 93 window) { | |
| 94 OnActiveWindowChanged(static_cast< ::Window>(window)); | |
| 95 } | |
| 96 } | |
| 97 break; | |
| 98 } | |
| 99 } | |
| 100 | |
| 101 return true; | |
| 102 } | |
| 103 | |
| 104 void X11DesktopHandler::OnWindowInitialized(aura::Window* window) { | |
| 105 } | |
| 106 | |
| 107 void X11DesktopHandler::OnWillDestroyEnv() { | |
| 108 g_handler = NULL; | |
| 109 delete this; | |
| 110 } | |
| 111 | |
| 112 void X11DesktopHandler::OnActiveWindowChanged(::Window xid) { | |
| 113 DesktopRootWindowHostLinux* old_host = | |
| 114 views::DesktopRootWindowHostLinux::GetHostForXID(current_window_); | |
| 115 if (old_host) | |
| 116 old_host->HandleNativeWidgetActivationChanged(false); | |
| 117 | |
| 118 DesktopRootWindowHostLinux* new_host = | |
| 119 views::DesktopRootWindowHostLinux::GetHostForXID(xid); | |
| 120 if (new_host) | |
| 121 new_host->HandleNativeWidgetActivationChanged(true); | |
| 122 | |
| 123 current_window_ = xid; | |
| 124 } | |
| 125 | |
| 126 } // namespace views | |
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Chromium Code Reviews
Issue 11369220:
Move the desktop aura classes into a desktop subdir to make the gyp simpler. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/