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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 "chrome/browser/ui/gtk/unity_service.h" | |
| 6 | |
| 7 #include <dlfcn.h> | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/environment.h" | |
| 11 #include "base/nix/xdg_util.h" | |
| 12 #include "base/memory/scoped_ptr.h" | |
| 13 #include "chrome/browser/shell_integration_linux.h" | |
| 14 | |
| 15 // Unity data typedefs. | |
| 16 typedef struct _UnityInspector UnityInspector; | |
| 17 typedef UnityInspector* (*unity_inspector_get_default_func)(void); | |
| 18 typedef gboolean (*unity_inspector_get_unity_running_func) | |
| 19 (UnityInspector* self); | |
| 20 | |
| 21 typedef struct _UnityLauncherEntry UnityLauncherEntry; | |
| 22 typedef UnityLauncherEntry* (*unity_launcher_entry_get_for_desktop_id_func) | |
| 23 (const gchar* desktop_id); | |
| 24 typedef void (*unity_launcher_entry_set_count_func)(UnityLauncherEntry* self, | |
| 25 gint64 value); | |
| 26 typedef void (*unity_launcher_entry_set_count_visible_func) | |
| 27 (UnityLauncherEntry* self, gboolean value); | |
| 28 typedef void (*unity_launcher_entry_set_progress_func)(UnityLauncherEntry* self, | |
| 29 gdouble value); | |
| 30 typedef void (*unity_launcher_entry_set_progress_visible_func) | |
| 31 (UnityLauncherEntry* self, gboolean value); | |
| 32 | |
| 33 | |
| 34 namespace { | |
| 35 | |
| 36 bool attempted_load = false; | |
| 37 | |
| 38 // Unity has a singleton object that we can ask whether the unity is running. | |
| 39 UnityInspector* inspector = NULL; | |
| 40 | |
| 41 // A link to the desktop entry in the panel. | |
| 42 UnityLauncherEntry* chrome_entry = NULL; | |
| 43 | |
| 44 // Retrieved functions from libunity. | |
| 45 unity_inspector_get_unity_running_func get_unity_running = NULL; | |
| 46 unity_launcher_entry_set_count_func entry_set_count = NULL; | |
| 47 unity_launcher_entry_set_count_visible_func entry_set_count_visible = NULL; | |
| 48 unity_launcher_entry_set_progress_func entry_set_progress = NULL; | |
| 49 unity_launcher_entry_set_progress_visible_func entry_set_progress_visible = | |
| 50 NULL; | |
| 51 | |
| 52 void EnsureMethodsLoaded() { | |
| 53 using base::nix::GetDesktopEnvironment; | |
| 54 | |
| 55 if (attempted_load) | |
| 56 return; | |
| 57 attempted_load = true; | |
| 58 | |
| 59 scoped_ptr<base::Environment> env(base::Environment::Create()); | |
| 60 base::nix::DesktopEnvironment desktop_env = | |
| 61 GetDesktopEnvironment(env.get()); | |
| 62 | |
| 63 // The "icon-tasks" KDE task manager also honors Unity Launcher API. | |
| 64 if (desktop_env != base::nix::DESKTOP_ENVIRONMENT_UNITY && | |
| 65 desktop_env != base::nix::DESKTOP_ENVIRONMENT_KDE4) | |
| 66 return; | |
| 67 | |
| 68 // TODO(erg): When unity stabilizes its interface, switch all this to looking | |
| 69 // up just ".so" instead of specific versions. | |
| 70 void* unity_lib = dlopen("libunity.so.4", RTLD_LAZY); | |
| 71 if (!unity_lib) | |
| 72 unity_lib = dlopen("libunity.so.6", RTLD_LAZY); | |
| 73 if (!unity_lib) | |
| 74 unity_lib = dlopen("libunity.so.9", RTLD_LAZY); | |
| 75 if (!unity_lib) | |
| 76 return; | |
| 77 | |
| 78 unity_inspector_get_default_func inspector_get_default = | |
| 79 reinterpret_cast<unity_inspector_get_default_func>( | |
| 80 dlsym(unity_lib, "unity_inspector_get_default")); | |
| 81 if (inspector_get_default) { | |
| 82 inspector = inspector_get_default(); | |
| 83 | |
| 84 get_unity_running = | |
| 85 reinterpret_cast<unity_inspector_get_unity_running_func>( | |
| 86 dlsym(unity_lib, "unity_inspector_get_unity_running")); | |
| 87 } | |
| 88 | |
| 89 unity_launcher_entry_get_for_desktop_id_func entry_get_for_desktop_id = | |
| 90 reinterpret_cast<unity_launcher_entry_get_for_desktop_id_func>( | |
| 91 dlsym(unity_lib, "unity_launcher_entry_get_for_desktop_id")); | |
| 92 if (entry_get_for_desktop_id) { | |
| 93 std::string desktop_id = ShellIntegrationLinux::GetDesktopName(env.get()); | |
| 94 chrome_entry = entry_get_for_desktop_id(desktop_id.c_str()); | |
| 95 | |
| 96 entry_set_count = | |
| 97 reinterpret_cast<unity_launcher_entry_set_count_func>( | |
| 98 dlsym(unity_lib, "unity_launcher_entry_set_count")); | |
| 99 | |
| 100 entry_set_count_visible = | |
| 101 reinterpret_cast<unity_launcher_entry_set_count_visible_func>( | |
| 102 dlsym(unity_lib, "unity_launcher_entry_set_count_visible")); | |
| 103 | |
| 104 entry_set_progress = | |
| 105 reinterpret_cast<unity_launcher_entry_set_progress_func>( | |
| 106 dlsym(unity_lib, "unity_launcher_entry_set_progress")); | |
| 107 | |
| 108 entry_set_progress_visible = | |
| 109 reinterpret_cast<unity_launcher_entry_set_progress_visible_func>( | |
| 110 dlsym(unity_lib, "unity_launcher_entry_set_progress_visible")); | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 } // namespace | |
| 115 | |
| 116 | |
| 117 namespace unity { | |
| 118 | |
| 119 bool IsRunning() { | |
| 120 EnsureMethodsLoaded(); | |
| 121 if (inspector && get_unity_running) | |
| 122 return get_unity_running(inspector); | |
| 123 | |
| 124 return false; | |
| 125 } | |
| 126 | |
| 127 void SetDownloadCount(int count) { | |
| 128 EnsureMethodsLoaded(); | |
| 129 if (chrome_entry && entry_set_count && entry_set_count_visible) { | |
| 130 entry_set_count(chrome_entry, count); | |
| 131 entry_set_count_visible(chrome_entry, count != 0); | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 void SetProgressFraction(float percentage) { | |
| 136 EnsureMethodsLoaded(); | |
| 137 if (chrome_entry && entry_set_progress && entry_set_progress_visible) { | |
| 138 entry_set_progress(chrome_entry, percentage); | |
| 139 entry_set_progress_visible(chrome_entry, | |
| 140 percentage > 0.0 && percentage < 1.0); | |
| 141 } | |
| 142 } | |
| 143 | |
| 144 } // namespace unity | |
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Chromium Code Reviews
Issue 231733005:
Delete the GTK+ port of Chrome. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src