Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 144 insertions, 0 deletions

diff --git a/chrome/views/aero_tooltip_manager.cc b/chrome/views/aero_tooltip_manager.cc
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+++ b/chrome/views/aero_tooltip_manager.cc
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <windows.h>
+#include <atlbase.h>
+#include <atlapp.h>  // for GET_X/Y_LPARAM
+#include <commctrl.h>
+#include <shlobj.h>
+
+#include "chrome/views/aero_tooltip_manager.h"
+
+#include "base/message_loop.h"
+#include "chrome/common/l10n_util.h"
+
+namespace ChromeViews {
+
+///////////////////////////////////////////////////////////////////////////////
+// AeroTooltipManager, public:
+
+AeroTooltipManager::AeroTooltipManager(ViewContainer* container, HWND parent)
+    : TooltipManager(container, parent),
+      initial_delay_(0) {
+}
+
+AeroTooltipManager::~AeroTooltipManager() {
+  if (initial_timer_)
+    initial_timer_->Disown();
+}
+
+void AeroTooltipManager::OnMouse(UINT u_msg, WPARAM w_param, LPARAM l_param) {
+  if (initial_timer_)
+    initial_timer_->Disown();
+
+  if (u_msg == WM_MOUSEMOVE || u_msg == WM_NCMOUSEMOVE) {
+    int x = GET_X_LPARAM(l_param);
+    int y = GET_Y_LPARAM(l_param);
+    if (last_mouse_x_ != x || last_mouse_y_ != y) {
+      last_mouse_x_ = x;
+      last_mouse_y_ = y;
+      UpdateTooltip(x, y);
+    }
+
+    // Delay opening of the tooltip just in case the user moves their
+    // mouse to another control. We defer this from Init because we get
+    // zero if we query it too soon.
+    if (!initial_delay_) {
+      initial_delay_ = static_cast<int>(
+          ::SendMessage(tooltip_hwnd_, TTM_GETDELAYTIME, TTDT_INITIAL, 0));
+    }
+    initial_timer_ = new InitialTimer(this, initial_delay_);
+  } else {
+    // Hide the tooltip and cancel any timers.
+    ::SendMessage(tooltip_hwnd_, TTM_POP, 0, 0);
+    ::SendMessage(tooltip_hwnd_, TTM_TRACKACTIVATE, false, (LPARAM)&toolinfo_);
+    return;
+  }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// AeroTooltipManager, private:
+
+void AeroTooltipManager::Init() {
+  // Create the tooltip control.
+  tooltip_hwnd_ = CreateWindowEx(
+      WS_EX_TRANSPARENT | l10n_util::GetExtendedTooltipStyles(),
+      TOOLTIPS_CLASS, NULL, TTS_NOPREFIX, 0, 0, 0, 0,
+      parent_, NULL, NULL, NULL);
+  // Add one tool that is used for all tooltips.
+  toolinfo_.cbSize = sizeof(toolinfo_);
+
+  // We use tracking tooltips on Vista to allow us to manually control the
+  // visibility of the tooltip.
+  toolinfo_.uFlags = TTF_TRANSPARENT | TTF_IDISHWND | TTF_TRACK | TTF_ABSOLUTE;
+  toolinfo_.hwnd = parent_;
+  toolinfo_.uId = (UINT_PTR)parent_;
+
+  // Setting this tells windows to call parent_ back (using a WM_NOTIFY
+  // message) for the actual tooltip contents.
+  toolinfo_.lpszText = LPSTR_TEXTCALLBACK;
+  SetRectEmpty(&toolinfo_.rect);
+  ::SendMessage(tooltip_hwnd_, TTM_ADDTOOL, 0, (LPARAM)&toolinfo_);
+}
+
+void AeroTooltipManager::OnTimer() {
+  initial_timer_ = NULL;
+
+  POINT pt;
+  pt.x = last_mouse_x_;
+  pt.y = last_mouse_y_;
+  ::ClientToScreen(parent_, &pt);
+
+  // Set the position and visibility.
+  if (!tooltip_showing_) {
+    ::SendMessage(tooltip_hwnd_, TTM_POPUP, 0, 0);
+    ::SendMessage(tooltip_hwnd_, TTM_TRACKPOSITION, 0, MAKELPARAM(pt.x, pt.y));
+    ::SendMessage(tooltip_hwnd_, TTM_TRACKACTIVATE, true, (LPARAM)&toolinfo_);
+  }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// AeroTooltipManager::InitialTimer
+
+AeroTooltipManager::InitialTimer::InitialTimer(AeroTooltipManager* manager,
+                                               int time) : manager_(manager) {
+  MessageLoop::current()->PostDelayedTask(FROM_HERE, NewRunnableMethod(
+      this, &InitialTimer::Execute), time);
+}
+
+void AeroTooltipManager::InitialTimer::Disown() {
+  manager_ = NULL;
+}
+
+void AeroTooltipManager::InitialTimer::Execute() {
+  if (manager_)
+    manager_->OnTimer();
+}
+
+}  // namespace ChromeViews