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// Copyright (c) 2009 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 <Cocoa/Cocoa.h>
#include "app/l10n_util.h"
#include "base/mac_util.h"
#include "base/sys_string_conversions.h"
#include "grit/generated_resources.h"
#include "chrome/browser/find_bar_controller.h"
#include "chrome/browser/cocoa/browser_window_cocoa.h"
#import "chrome/browser/cocoa/find_bar_cocoa_controller.h"
#import "chrome/browser/cocoa/find_bar_bridge.h"
#import "chrome/browser/cocoa/tab_strip_controller.h"
#include "chrome/browser/tab_contents/tab_contents.h"
@implementation FindBarCocoaController
- (id)init {
if ((self = [super initWithNibName:@"FindBar"
bundle:mac_util::MainAppBundle()])) {
}
return self;
}
- (void)setFindBarBridge:(FindBarBridge*)findBarBridge {
DCHECK(!findBarBridge_); // should only be called once.
findBarBridge_ = findBarBridge;
}
- (void)awakeFromNib {
[[self view] setHidden:YES];
}
- (IBAction)close:(id)sender {
if (findBarBridge_)
findBarBridge_->GetFindBarController()->EndFindSession();
}
- (IBAction)previousResult:(id)sender {
if (findBarBridge_)
findBarBridge_->GetFindBarController()->tab_contents()->StartFinding(
base::SysNSStringToUTF16([findText_ stringValue]),
false, false);
}
- (IBAction)nextResult:(id)sender {
if (findBarBridge_)
findBarBridge_->GetFindBarController()->tab_contents()->StartFinding(
base::SysNSStringToUTF16([findText_ stringValue]),
true, false);
}
// Positions the find bar view in the correct location based on the current
// state of the window. The findbar is always positioned one pixel above the
// infobar container. Note that we are using the infobar container location as
// a proxy for the toolbar location, but we cannot position based on the toolbar
// because the toolbar is not always present (for example in fullscreen
// windows).
- (void)positionFindBarView:(NSView*)infoBarContainerView {
static const int kRightEdgeOffset = 25;
NSView* findBarView = [self view];
int findBarHeight = NSHeight([findBarView frame]);
int findBarWidth = NSWidth([findBarView frame]);
// Start by computing the upper right corner of the infobar container, then
// move left by a constant offset and up one pixel. This gives us the upper
// right corner of our bounding box. We move up one pixel to overlap with the
// toolbar area, which allows us to cover up the toolbar's border, if present.
NSRect windowRect = [infoBarContainerView frame];
int max_x = NSMaxX(windowRect) - kRightEdgeOffset;
int max_y = NSMaxY(windowRect) + 1;
NSRect findRect = NSMakeRect(max_x - findBarWidth, max_y - findBarHeight,
findBarWidth, findBarHeight);
[findBarView setFrame:findRect];
}
// NSControl delegate method.
- (void)controlTextDidChange:(NSNotification *)aNotification {
if (!findBarBridge_)
return;
TabContents* tab_contents =
findBarBridge_->GetFindBarController()->tab_contents();
if (!tab_contents)
return;
string16 findText = base::SysNSStringToUTF16([findText_ stringValue]);
if (findText.length() > 0) {
tab_contents->StartFinding(findText, true, false);
} else {
// The textbox is empty so we reset.
tab_contents->StopFinding(true); // true = clear selection on page.
[self updateUIForFindResult:tab_contents->find_result()
withText:string16()];
}
}
// NSControl delegate method
- (BOOL)control:(NSControl*)control
textView:(NSTextView*)textView
doCommandBySelector:(SEL)command {
if (command == @selector(insertNewline:)) {
NSEvent* event = [NSApp currentEvent];
if ([event modifierFlags] & NSShiftKeyMask)
[previousButton_ performClick:nil];
else {
[nextButton_ performClick:nil];
}
return YES;
}
return NO;
}
// Methods from FindBar
- (void)showFindBar {
[[self view] setHidden:NO];
}
- (void)hideFindBar {
[[self view] setHidden:YES];
}
- (void)setFocusAndSelection {
[[findText_ window] makeFirstResponder:findText_];
}
- (void)setFindText:(const string16&)findText {
[findText_ setStringValue:base::SysUTF16ToNSString(findText)];
}
- (void)clearResults:(const FindNotificationDetails&)results {
// Just call updateUIForFindResult, which will take care of clearing
// the search text and the results label.
[self updateUIForFindResult:results withText:string16()];
}
- (void)updateUIForFindResult:(const FindNotificationDetails&)result
withText:(const string16&)findText {
// If we don't have any results and something was passed in, then
// that means someone pressed Cmd-G while the Find box was
// closed. In that case we need to repopulate the Find box with what
// was passed in.
if ([[findText_ stringValue] length] == 0 && !findText.empty()) {
[findText_ setStringValue:base::SysUTF16ToNSString(findText)];
[findText_ selectText:self];
}
// Make sure Find Next and Find Previous are enabled if we found any matches.
BOOL buttonsEnabled = result.number_of_matches() > 0 ? YES : NO;
[previousButton_ setEnabled:buttonsEnabled];
[nextButton_ setEnabled:buttonsEnabled];
// Update the results label.
BOOL validRange = result.active_match_ordinal() != -1 &&
result.number_of_matches() != -1;
NSString* searchString = [findText_ stringValue];
if ([searchString length] > 0 && validRange) {
[resultsLabel_ setStringValue:base::SysWideToNSString(
l10n_util::GetStringF(IDS_FIND_IN_PAGE_COUNT,
IntToWString(result.active_match_ordinal()),
IntToWString(result.number_of_matches())))];
} else {
// If there was no text entered, we don't show anything in the result count
// area.
[resultsLabel_ setStringValue:@""];
}
// Resize |resultsLabel_| to completely contain its string and right-justify
// it within |findText_|. sizeToFit may shrink the frame vertically, which we
// don't want, so we save the original vertical positioning.
NSRect labelFrame = [resultsLabel_ frame];
[resultsLabel_ sizeToFit];
labelFrame.size.width = [resultsLabel_ frame].size.width;
labelFrame.origin.x = NSMaxX([findText_ frame]) - labelFrame.size.width;
[resultsLabel_ setFrame:labelFrame];
// TODO(rohitrao): If the search string is too long, then it will overlap with
// the results label. Fix.
}
- (BOOL)isFindBarVisible {
return [[self view] isHidden] ? NO : YES;
}
@end
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