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