1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "chrome/browser/cocoa/tab_contents_controller.h"
#include "base/mac_util.h"
#include "base/sys_string_conversions.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/bookmarks/bookmark_model.h"
#import "chrome/browser/cocoa/view_id_util.h"
#include "chrome/browser/pref_service.h"
#include "chrome/browser/renderer_host/render_view_host.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/common/pref_names.h"
// Default offset of the contents splitter in pixels.
static const int kDefaultContentsSplitOffset = 400;
// Never make the web part of the tab contents smaller than this (needed if the
// window is only a few pixels high).
static const int kMinWebHeight = 50;
@implementation TabContentsController
- (id)initWithNibName:(NSString*)name
contents:(TabContents*)contents {
if ((self = [super initWithNibName:name
bundle:mac_util::MainAppBundle()])) {
contents_ = contents;
}
return self;
}
- (void)dealloc {
// make sure our contents have been removed from the window
[[self view] removeFromSuperview];
[super dealloc];
}
// Call when the tab view is properly sized and the render widget host view
// should be put into the view hierarchy.
- (void)ensureContentsVisible {
NSArray* subviews = [contentsContainer_ subviews];
if ([subviews count] == 0)
[contentsContainer_ addSubview:contents_->GetNativeView()];
else if ([subviews objectAtIndex:0] != contents_->GetNativeView())
[contentsContainer_ replaceSubview:[subviews objectAtIndex:0]
with:contents_->GetNativeView()];
}
// Returns YES if the tab represented by this controller is the front-most.
- (BOOL)isCurrentTab {
// We're the current tab if we're in the view hierarchy, otherwise some other
// tab is.
return [[self view] superview] ? YES : NO;
}
- (void)willBecomeUnselectedTab {
RenderViewHost* rvh = contents_->render_view_host();
if (rvh)
rvh->Blur();
}
- (void)willBecomeSelectedTab {
RenderViewHost* rvh = contents_->render_view_host();
if (rvh)
rvh->Focus();
}
- (void)tabDidChange:(TabContents*)updatedContents {
// Calling setContentView: here removes any first responder status
// the view may have, so avoid changing the view hierarchy unless
// the view is different.
if (contents_ != updatedContents) {
contents_ = updatedContents;
[self ensureContentsVisible];
}
}
- (void)showDevToolsContents:(TabContents*)devToolsContents {
NSArray* subviews = [contentsContainer_ subviews];
if (devToolsContents) {
DCHECK_GE([subviews count], 1u);
// Load the default split offset. If we are already showing devtools, we
// will replace the default with the current devtools height.
CGFloat splitOffset = g_browser_process->local_state()->GetInteger(
prefs::kDevToolsSplitLocation);
if (splitOffset == -1) {
// Initial load, set to default value.
splitOffset = kDefaultContentsSplitOffset;
}
// |devtoolsView| is a TabContentsViewCocoa object, whose ViewID was
// set to VIEW_ID_TAB_CONTAINER initially, so we need to change it to
// VIEW_ID_DEV_TOOLS_DOCKED here.
NSView* devtoolsView = devToolsContents->GetNativeView();
view_id_util::SetID(devtoolsView, VIEW_ID_DEV_TOOLS_DOCKED);
if ([subviews count] == 1) {
[contentsContainer_ addSubview:devtoolsView];
} else {
DCHECK_EQ([subviews count], 2u);
[contentsContainer_ replaceSubview:[subviews objectAtIndex:1]
with:devToolsContents->GetNativeView()];
// If devtools are already visible, keep the current size.
splitOffset = NSHeight([devtoolsView frame]);
}
// Make sure |splitOffset| isn't too large or too small.
splitOffset = MIN(splitOffset,
NSHeight([contentsContainer_ frame]) - kMinWebHeight);
DCHECK_GE(splitOffset, 0) << "kMinWebHeight needs to be smaller than "
<< "smallest available tab contents space.";
splitOffset = MAX(0, splitOffset);
// It seems as if |-setPosition:ofDividerAtIndex:| should do what's needed,
// but I can't figure out how to use it. Manually resize web and devtools.
NSRect devtoolsFrame = [devtoolsView frame];
devtoolsFrame.size.height = splitOffset;
[devtoolsView setFrame:devtoolsFrame];
NSRect webFrame = [[subviews objectAtIndex:0] frame];
webFrame.size.height = NSHeight([contentsContainer_ frame]) -
[self devToolsHeight];
[[subviews objectAtIndex:0] setFrame:webFrame];
[contentsContainer_ adjustSubviews];
} else {
if ([subviews count] > 1) {
NSView* oldDevToolsContentsView = [subviews objectAtIndex:1];
// Store split offset when hiding devtools window only.
int splitOffset = NSHeight([oldDevToolsContentsView frame]);
g_browser_process->local_state()->SetInteger(
prefs::kDevToolsSplitLocation, splitOffset);
[oldDevToolsContentsView removeFromSuperview];
}
}
}
- (CGFloat)devToolsHeight {
NSArray* subviews = [contentsContainer_ subviews];
if ([subviews count] < 2)
return 0;
return NSHeight([[subviews objectAtIndex:1] frame]) +
[contentsContainer_ dividerThickness];
}
@end
|
