1 // Copyright (c) 2011 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 <Carbon/Carbon.h>
6
7 #include "build/build_config.h"
8
9 #include <vector>
10
11 #include "base/bind.h"
12 #include "base/logging.h"
13 #include "base/mac/mac_util.h"
14 #include "content/browser/browser_child_process_host_impl.h"
15 #include "content/browser/plugin_process_host.h"
16 #include "content/public/browser/browser_thread.h"
17 #include "content/public/browser/child_process_data.h"
18 #include "ui/gfx/rect.h"
19
20 namespace content {
21
OnPluginSelectWindow(uint32 window_id,gfx::Rect window_rect,bool modal)22 void PluginProcessHost::OnPluginSelectWindow(uint32 window_id,
23 gfx::Rect window_rect,
24 bool modal) {
25 plugin_visible_windows_set_.insert(window_id);
26 if (modal)
27 plugin_modal_windows_set_.insert(window_id);
28 }
29
OnPluginShowWindow(uint32 window_id,gfx::Rect window_rect,bool modal)30 void PluginProcessHost::OnPluginShowWindow(uint32 window_id,
31 gfx::Rect window_rect,
32 bool modal) {
33 plugin_visible_windows_set_.insert(window_id);
34 if (modal)
35 plugin_modal_windows_set_.insert(window_id);
36 CGRect window_bounds = {
37 { window_rect.x(), window_rect.y() },
38 { window_rect.width(), window_rect.height() }
39 };
40 CGRect main_display_bounds = CGDisplayBounds(CGMainDisplayID());
41 if (CGRectEqualToRect(window_bounds, main_display_bounds) &&
42 (plugin_fullscreen_windows_set_.find(window_id) ==
43 plugin_fullscreen_windows_set_.end())) {
44 plugin_fullscreen_windows_set_.insert(window_id);
45 // If the plugin has just shown a window that's the same dimensions as
46 // the main display, hide the menubar so that it has the whole screen.
47 // (but only if we haven't already seen this fullscreen window, since
48 // otherwise our refcounting can get skewed).
49 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
50 base::Bind(base::mac::RequestFullScreen,
51 base::mac::kFullScreenModeHideAll));
52 }
53 }
54
55 // Must be called on the UI thread.
56 // If plugin_pid is -1, the browser will be the active process on return,
57 // otherwise that process will be given focus back before this function returns.
ReleasePluginFullScreen(pid_t plugin_pid)58 static void ReleasePluginFullScreen(pid_t plugin_pid) {
59 // Releasing full screen only works if we are the frontmost process; grab
60 // focus, but give it back to the plugin process if requested.
61 base::mac::ActivateProcess(base::GetCurrentProcId());
62 base::mac::ReleaseFullScreen(base::mac::kFullScreenModeHideAll);
63 if (plugin_pid != -1) {
64 base::mac::ActivateProcess(plugin_pid);
65 }
66 }
67
OnPluginHideWindow(uint32 window_id,gfx::Rect window_rect)68 void PluginProcessHost::OnPluginHideWindow(uint32 window_id,
69 gfx::Rect window_rect) {
70 bool had_windows = !plugin_visible_windows_set_.empty();
71 plugin_visible_windows_set_.erase(window_id);
72 bool browser_needs_activation = had_windows &&
73 plugin_visible_windows_set_.empty();
74
75 plugin_modal_windows_set_.erase(window_id);
76 if (plugin_fullscreen_windows_set_.find(window_id) !=
77 plugin_fullscreen_windows_set_.end()) {
78 plugin_fullscreen_windows_set_.erase(window_id);
79 pid_t plugin_pid =
80 browser_needs_activation ? -1 : process_->GetData().handle;
81 browser_needs_activation = false;
82 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
83 base::Bind(ReleasePluginFullScreen, plugin_pid));
84 }
85
86 if (browser_needs_activation) {
87 BrowserThread::PostTask(
88 BrowserThread::UI, FROM_HERE,
89 base::Bind(base::mac::ActivateProcess, base::GetCurrentProcId()));
90 }
91 }
92
OnAppActivation()93 void PluginProcessHost::OnAppActivation() {
94 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
95
96 // If our plugin process has any modal windows up, we need to bring it forward
97 // so that they act more like an in-process modal window would.
98 if (!plugin_modal_windows_set_.empty()) {
99 BrowserThread::PostTask(
100 BrowserThread::UI, FROM_HERE,
101 base::Bind(base::mac::ActivateProcess, process_->GetData().handle));
102 }
103 }
104
OnPluginSetCursorVisibility(bool visible)105 void PluginProcessHost::OnPluginSetCursorVisibility(bool visible) {
106 if (plugin_cursor_visible_ != visible) {
107 plugin_cursor_visible_ = visible;
108 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
109 base::Bind(base::mac::SetCursorVisibility,
110 visible));
111 }
112 }
113
114 } // namespace content
115